{"id":69601,"date":"2024-05-22T09:24:00","date_gmt":"2024-05-22T02:24:00","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=69601"},"modified":"2024-05-22T09:24:00","modified_gmt":"2024-05-22T02:24:00","slug":"mo-hinh-mvc-trong-java","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/","title":{"rendered":"Java MVC l\u00e0 g\u00ec? T\u1ed5ng h\u1ee3p A-Z v\u1ec1 m\u00f4 h\u00ecnh MVC trong Java"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Gioi_thieu_ve_Java\" >Gi\u1edbi thi\u1ec7u v\u1ec1 Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Tong_quan_ve_mo_hinh_MVC_trong_Java\" >T\u1ed5ng quan v\u1ec1 m\u00f4 h\u00ecnh MVC trong Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Cac_uu_nhuoc_diem_cua_mo_hinh_MVC_trong_Java\" >C\u00e1c \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Mot_so_framework_mo_hinh_MVC_trong_Java_pho_bien\" >M\u1ed9t s\u1ed1 framework m\u00f4 h\u00ecnh MVC trong Java ph\u1ed5 bi\u1ebfn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Cach_trien_khai_mo_hinh_MVC_trong_Java\" >C\u00e1ch tri\u1ec3n khai m\u00f4 h\u00ecnh MVC trong Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Nhung_cach_ap_dung_mo_hinh_MVC_trong_Java_trong_thuc_te\" >Nh\u1eefng c\u00e1ch \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh MVC trong Java trong th\u1ef1c t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Cac_cau_hoi_thuong_gap_ve_mo_hinh_MVC_trong_Java\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 m\u00f4 h\u00ecnh MVC trong Java<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/#Tong_ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Ki\u1ebfn tr\u00fac Model-View-Controller (MVC) trong Java l\u00e0 m\u1ed9t m\u1eabu thi\u1ebft k\u1ebf cung c\u1ea5p c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng. M\u00f4 h\u00ecnh MVC trong Java t\u00e1ch c\u00e1c m\u1ed1i quan t\u00e2m c\u1ee7a \u1ee9ng d\u1ee5ng th\u00e0nh ba th\u00e0nh ph\u1ea7n ch\u00ednh: Model, View v\u00e0 Controller. M\u1ed7i th\u00e0nh ph\u1ea7n c\u00f3 m\u1ed9t vai tr\u00f2 v\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee5 th\u1ec3 trong ki\u1ebfn tr\u00fac.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd l\u1ea7n l\u01b0\u1ee3t t\u00ecm hi\u1ec3u v\u1ec1:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ed5ng quan v\u1ec1 m\u00f4 h\u00ecnh MVC trong Java<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1ch tri\u1ec3n khai<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u1eefng c\u00e1ch \u00e1p d\u1ee5ng Java MVC trong th\u1ef1c t\u1ebf<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Gioi_thieu_ve_Java\"><\/span><b>Gi\u1edbi thi\u1ec7u v\u1ec1 Java<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn, \u0111\u01b0\u1ee3c t\u1ea1o ra v\u00e0o n\u0103m 1995. Java thu\u1ed9c s\u1edf h\u1eefu c\u1ee7a Oracle, v\u00e0 h\u01a1n 3 t\u1ef7 thi\u1ebft b\u1ecb ch\u1ea1y Java. Java \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau nh\u01b0: \u1ee8ng d\u1ee5ng di \u0111\u1ed9ng (\u0111\u1eb7c bi\u1ec7t l\u00e0 \u1ee9ng d\u1ee5ng Android), \u1ee8ng d\u1ee5ng desktop, \u1ee8ng d\u1ee5ng web, M\u00e1y ch\u1ee7 web v\u00e0 m\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng, Tr\u00f2 ch\u01a1i, K\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u, v\u00e0 nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1eady t\u1ea1i sao l\u1ea1i s\u1eed d\u1ee5ng Java? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u00fd do:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c n\u1ec1n t\u1ea3ng kh\u00e1c nhau (Windows, Mac, Linux, Raspberry Pi, vv.).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean th\u1ebf gi\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 nhu c\u1ea7u l\u1edbn tr\u00ean th\u1ecb tr\u01b0\u1eddng vi\u1ec7c l\u00e0m hi\u1ec7n nay.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc v\u00e0 s\u1eed d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u00e0 m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 mi\u1ec5n ph\u00ed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">An to\u00e0n, nhanh ch\u00f3ng v\u00e0 m\u1ea1nh m\u1ebd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00f3 s\u1ef1 h\u1ed7 tr\u1ee3 l\u1edbn t\u1eeb c\u1ed9ng \u0111\u1ed3ng (tens of millions of developers).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Java l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, cung c\u1ea5p m\u1ed9t c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng cho c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 cho ph\u00e9p m\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i, gi\u1ea3m chi ph\u00ed ph\u00e1t tri\u1ec3n. V\u00ec Java g\u1ea7n v\u1edbi C++ v\u00e0 C#, n\u00ean d\u1ec5 d\u00e0ng cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean chuy\u1ec3n \u0111\u1ed5i gi\u1eefa Java ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y, Java \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu trong th\u1ebf gi\u1edbi l\u1eadp tr\u00ecnh hi\u1ec7n \u0111\u1ea1i.<\/span><b><\/b><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/java-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Java l\u00e0 g\u00ec? T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ng\u00f4n ng\u1eef Java<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Tong_quan_ve_mo_hinh_MVC_trong_Java\"><\/span><b>T\u1ed5ng quan v\u1ec1 m\u00f4 h\u00ecnh MVC trong Java<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Ki\u1ebfn tr\u00fac MVC (Model-View-Controller) l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ed5 bi\u1ebfn trong vi\u1ec7c x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng web v\u00e0 desktop. M\u00f4 h\u00ecnh n\u00e0y gi\u00fap t\u00e1ch bi\u1ec7t logic \u1ee9ng d\u1ee5ng th\u00e0nh c\u00e1c ph\u1ea7n ri\u00eang bi\u1ec7t, d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec, th\u00fac \u0111\u1ea9y t\u00e1i s\u1eed d\u1ee5ng code v\u00e0 cho ph\u00e9p ph\u00e1t tri\u1ec3n \u0111\u1ed3ng th\u1eddi b\u1edfi nhi\u1ec1u nh\u00f3m ph\u00e1t tri\u1ec3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u00f4 h\u00ecnh n\u00e0y t\u00e1ch bi\u1ec7t \u1ee9ng d\u1ee5ng th\u00e0nh ba th\u00e0nh ph\u1ea7n ch\u00ednh:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Model: \u0110\u1ea1i di\u1ec7n cho m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng ho\u1eb7c JAVA POJO (Plain Old Java Object &#8211; m\u1ed9t lo\u1ea1i class trong Java) ch\u1ee9a d\u1eef li\u1ec7u. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 ch\u1ee9a logic \u0111\u1ec3 c\u1eadp nh\u1eadt controller n\u1ebfu d\u1eef li\u1ec7u c\u1ee7a n\u00f3 thay \u0111\u1ed5i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">View: \u0110\u1ea1i di\u1ec7n cho vi\u1ec7c hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u m\u00e0 model ch\u1ee9a.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Controller: L\u00e0m vi\u1ec7c tr\u00ean c\u1ea3 model v\u00e0 view. N\u00f3 ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0o \u0111\u1ed1i t\u01b0\u1ee3ng model v\u00e0 c\u1eadp nh\u1eadt view m\u1ed7i khi d\u1eef li\u1ec7u thay \u0111\u1ed5i. N\u00f3 gi\u1eef view v\u00e0 model t\u00e1ch bi\u1ec7t.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Trong Java, s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac MVC gi\u00fap t\u00e1ch bi\u1ec7t d\u1eef li\u1ec7u, logic v\u00e0 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed9c l\u1eadp. Kh\u00f4ng ch\u1ec9 t\u0103ng t\u00ednh t\u1ed5 ch\u1ee9c, MVC c\u0169ng cung c\u1ea5p s\u1ef1 linh ho\u1ea1t trong vi\u1ec7c thay \u0111\u1ed5i giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn logic x\u1eed l\u00fd d\u1eef li\u1ec7u. Vi\u1ec7c ph\u00e1t tri\u1ec3n \u0111\u1ed3ng th\u1eddi c\u1ee7a model, view v\u00e0 controller c\u0169ng \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t ph\u00e1t tri\u1ec3n v\u00e0 gi\u1ea3m th\u1eddi gian tri\u1ec3n khai \u1ee9ng d\u1ee5ng.<\/span><b><\/b><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/mvc-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>T\u1ed5ng quan MVC l\u00e0 g\u00ec v\u00e0 \u1ee8ng d\u1ee5ng m\u00f4 h\u00ecnh MVC trong l\u1eadp tr\u00ecnh<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"Cac_uu_nhuoc_diem_cua_mo_hinh_MVC_trong_Java\"><\/span><b>C\u00e1c \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u00ednh hi\u1ec7u qu\u1ea3, n\u0103ng su\u1ea5t c\u1ee7a d\u1ef1 \u00e1n, l\u1eadp tr\u00ecnh vi\u00ean c\u1ea7n c\u00e2n nh\u1eafc k\u1ef9 c\u00e0ng nh\u1eefng \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh MVC trong Java. Kh\u00f4ng ch\u1ec9 c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m, m\u00f4 h\u00ecnh n\u00e0y c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m m\u00e0 ch\u00fang ta c\u1ea7n c\u00e2n nh\u1eafc t\u00ednh ch\u1ea5t c\u1ee7a d\u1ef1 \u00e1n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/span><\/p>\n<h3><b> \u01afu \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>\u01afu \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/td>\n<td><b>V\u00ed d\u1ee5<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1: MVC khuy\u1ebfn kh\u00edch vi\u1ec7c ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng c\u00e1c v\u1ea5n \u0111\u1ec1 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n model, view v\u00e0 controller.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trong m\u1ed9t \u1ee9ng d\u1ee5ng qu\u1ea3n l\u00fd h\u00e0ng h\u00f3a, model ch\u1ee9a th\u00f4ng tin v\u1ec1 h\u00e0ng h\u00f3a, view hi\u1ec3n th\u1ecb danh s\u00e1ch h\u00e0ng h\u00f3a, v\u00e0 controller x\u1eed l\u00fd y\u00eau c\u1ea7u th\u00eam m\u1edbi h\u00e0ng h\u00f3a.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00e1i s\u1eed d\u1ee5ng code: B\u1eb1ng c\u00e1ch ph\u00e2n t\u00e1ch c\u00e1c v\u1ea5n \u0111\u1ec1 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n ri\u00eang bi\u1ec7t, vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng code tr\u1edf n\u00ean kh\u1ea3 thi h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Khi c\u1ea7n hi\u1ec3n th\u1ecb s\u1ea3n ph\u1ea9m \u1edf nhi\u1ec1u n\u01a1i kh\u00e1c nhau kh\u00f4ng c\u1ea7n ph\u1ea3i vi\u1ebft l\u1ea1i code \u0111\u1ec3 truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb model. Thay v\u00e0o \u0111\u00f3, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng th\u00e0nh ph\u1ea7n model n\u00e0y v\u00e0 ch\u1ec9 c\u1ea7n thay \u0111\u1ed5i view ho\u1eb7c controller t\u00f9y theo y\u00eau c\u1ea7u c\u1ee5 th\u1ec3.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n \u0111\u1ed3ng th\u1eddi: MVC cho ph\u00e9p nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n l\u00e0m vi\u1ec7c \u0111\u1ed3ng th\u1eddi tr\u00ean c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ed9t nh\u00f3m l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c tr\u00ean model, trong khi nh\u00f3m kh\u00e1c ph\u00e1t tri\u1ec3n view trong c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Linh ho\u1ea1t v\u00e0 m\u1edf r\u1ed9ng: MVC cung c\u1ea5p linh ho\u1ea1t b\u1eb1ng c\u00e1ch cho ph\u00e9p thay \u0111\u1ed5i trong m\u1ed9t th\u00e0nh ph\u1ea7n m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vi\u1ec7c thay \u0111\u1ed5i giao di\u1ec7n view kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn logic controller ho\u1eb7c c\u01a1 s\u1edf d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m model.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t h\u01a1n: V\u1edbi MVC, view x\u1eed l\u00fd vi\u1ec7c tr\u00ecnh b\u00e0y d\u1eef li\u1ec7u cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ed7i th\u00e0nh ph\u1ea7n t\u1eadp trung x\u1eed l\u00ed m\u1ed9t ch\u1ee9c n\u0103ng kh\u00e1c nhau n\u00ean tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng s\u1ebd \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u01a1n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/td>\n<td><b>V\u00ed d\u1ee5<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng: S\u1eed d\u1ee5ng MVC \u0111\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 ki\u1ebfn tr\u00fac v\u00e0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n model, view v\u00e0 controller. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra r\u00e0o c\u1ea3n cho nh\u1eefng nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi ho\u1eb7c ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u l\u00e0m quen v\u1edbi ki\u1ebfn tr\u00fac n\u00e0y.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">N\u1ebfu ch\u01b0a c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 MVC t\u1eeb tr\u01b0\u1edbc, c\u00e1c nh\u00f3m l\u1eadp tr\u00ecnh vi\u00ean s\u1ebd t\u1ed1n nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c n\u1ebfu \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh n\u00e0y v\u00e0o d\u1ef1 \u00e1n.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p trong qu\u1ea3n l\u00fd th\u00f4ng tin: Trong m\u1ed9t \u1ee9ng d\u1ee5ng l\u1edbn ho\u1eb7c ph\u1ee9c t\u1ea1p, vi\u1ec7c qu\u1ea3n l\u00fd th\u00f4ng tin li\u00ean k\u1ebft gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n model, view v\u00e0 controller s\u1ebd tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n v\u00e0 d\u1ec5 x\u1ea3y ra vi\u1ec7c r\u1ed1i lo\u1ea1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Trong m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd nh\u00e0 h\u00e0ng, vi\u1ec7c qu\u1ea3n l\u00fd th\u00f4ng tin gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 danh s\u00e1ch menu (Model), giao di\u1ec7n \u0111\u1eb7t h\u00e0ng (View), v\u00e0 x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng (Controller) c\u00f3 th\u1ec3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p khi s\u1ed1 l\u01b0\u1ee3ng m\u00f3n \u0103n, kh\u00e1ch h\u00e0ng v\u00e0 quy tr\u00ecnh \u0111\u1eb7t h\u00e0ng t\u0103ng l\u00ean.\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c: Vi\u1ec7c s\u1eed d\u1ee5ng ki\u1ebfn tr\u00fac MVC \u0111\u00f4i khi c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi \u1ee9ng d\u1ee5ng ph\u1ea3i x\u1eed l\u00fd m\u1ed9t l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u ho\u1eb7c c\u00f3 t\u1ea3i truy c\u1eadp cao, \u0111\u1eb7c bi\u1ec7t n\u1ebfu nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n ch\u01b0a \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ed9t trang web th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed c\u00f3 h\u00e0ng ng\u00e0n s\u1ea3n ph\u1ea9m v\u00e0 h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp h\u00e0ng ng\u00e0y c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a \u0111\u00fang c\u00e1ch.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u00f3 kh\u0103n trong vi\u1ec7c debug: Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, vi\u1ec7c g\u1ee1 l\u1ed7i trong m\u00f4i tr\u01b0\u1eddng MVC c\u00f3 th\u1ec3 tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p. S\u1ef1 t\u00e1ch bi\u1ec7t gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 l\u00e0m cho vi\u1ec7c theo d\u00f5i v\u00e0 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n c\u1ee7a c\u00e1c l\u1ed7i tr\u1edf n\u00ean kh\u00f3 kh\u0103n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00fang khi c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 s\u1ef1 ph\u1ee5 thu\u1ed9c l\u1eabn nhau m\u1ea1nh m\u1ebd v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vi\u1ec7c theo d\u00f5i v\u00e0 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n (n\u1eb1m \u1edf model, view hay controller) c\u1ee7a l\u1ed7i c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi nhi\u1ec1u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Mot_so_framework_mo_hinh_MVC_trong_Java_pho_bien\"><\/span><b>M\u1ed9t s\u1ed1 framework m\u00f4 h\u00ecnh MVC trong Java ph\u1ed5 bi\u1ebfn<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c vi\u1ebft \u1ee9ng d\u1ee5ng web c\u00f3 giao di\u1ec7n \u0111\u1eb9p m\u1eaft v\u00e0 t\u1ea1o tr\u1ea3i nghi\u1ec7m t\u1ed1t cho ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n. \u0110\u00f3 l\u00e0 l\u00ed do ch\u00fang ta c\u00f3 framework web. Tuy nhi\u00ean, c\u00e1c framework web Java kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t lo\u1ea1i ph\u00f9 h\u1ee3p cho t\u1ea5t c\u1ea3 d\u1ef1 \u00e1n. T\u00f9y v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u1ed7i d\u1ef1 \u00e1n m\u00e0 l\u1eadp tr\u00ecnh vi\u00ean c\u1ea7n ch\u1ecdn m\u1ed9t framework ph\u00f9 h\u1ee3p.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng MVC framework ph\u1ed5 bi\u1ebfn trong Java:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/itviec.com\/blog\/spring-framework-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Spring<\/strong><\/a>: Spring l\u00e0 m\u1ed9t framework m\u1ea1nh m\u1ebd trong vi\u1ec7c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng Java, \u0111\u1eb7c bi\u1ec7t v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb SpringBoot gi\u00fap thi\u1ebft l\u1eadp nhanh ch\u00f3ng m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i b\u1eadn t\u00e2m v\u1ec1 c\u1ea5u h\u00ecnh chi ti\u1ebft. D\u1ef1a tr\u00ean m\u00f4 h\u00ecnh Dependency Injection, Spring cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 linh ho\u1ea1t cho vi\u1ec7c x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng t\u1eeb nh\u1eefng d\u1ef1 \u00e1n nh\u1ecf \u0111\u1ebfn l\u1edbn.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/grails.org\/\" target=\"_blank\" rel=\"noopener\"><strong>Grails<\/strong><\/a>: Grails l\u00e0 m\u1ed9t framework \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng c\u1ee7a Spring v\u00e0 Hibernate, v\u1edbi m\u1ee5c ti\u00eau l\u00e0 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n v\u00e0 gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ee9c t\u1ea1p. S\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a Convention over Configuration v\u00e0 scaffolding gi\u00fap vi\u1ec7c t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng CRUD tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/vaadin.com\/\" target=\"_blank\" rel=\"noopener\"><strong>Vaadin<\/strong><\/a>: Vaadin l\u00e0 m\u1ed9t framework ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web Java v\u1edbi giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng d\u1ef1a tr\u00ean c\u00e1c th\u00e0nh ph\u1ea7n UI. S\u1eed d\u1ee5ng Vaadin gi\u00fap gi\u1ea3m b\u1edbt boilerplate code th\u00f4ng qua vi\u1ec7c k\u00e9o v\u00e0 th\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch tr\u1ef1c quan, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p t\u00e0i li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 v\u00e0 m\u1ed9t c\u1ed9ng \u0111\u1ed3ng t\u00edch c\u1ef1c.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.gwtproject.org\/\" target=\"_blank\" rel=\"noopener\"><strong>GWT<\/strong><\/a>: Google Web Toolkit (GWT) l\u00e0 m\u1ed9t framework cho ph\u00e9p ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web s\u1eed d\u1ee5ng Java v\u00e0 sau \u0111\u00f3 bi\u00ean d\u1ecbch th\u00e0nh m\u00e3 JavaScript t\u01b0\u01a1ng \u1ee9ng. V\u1edbi GWT, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a Java v\u00e0 ti\u1ec7n \u00edch c\u1ee7a c\u00e1c th\u01b0 vi\u1ec7n s\u1eb5n c\u00f3 \u0111\u1ec3 x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng web hi\u1ec7u qu\u1ea3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/wicket.apache.org\/\" target=\"_blank\" rel=\"noopener\"><strong>Wicket<\/strong><\/a>: Apache Wicket l\u00e0 m\u1ed9t framework ph\u00e1t tri\u1ec3n web Java m\u00e0 \u01b0u \u0111i\u1ec3m ch\u00ednh l\u00e0 s\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa m\u00e3 HTML v\u00e0 m\u00e3 Java. S\u1eed d\u1ee5ng Wicket, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng web v\u1edbi s\u1ef1 t\u00e1i s\u1eed d\u1ee5ng th\u00e0nh ph\u1ea7n v\u00e0 m\u00f4 h\u00ecnh MVC r\u00f5 r\u00e0ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.playframework.com\/\" target=\"_blank\" rel=\"noopener\"><strong>Play<\/strong><\/a>: Play l\u00e0 m\u1ed9t framework ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web Java linh ho\u1ea1t v\u00e0 m\u1ea1nh m\u1ebd, v\u1edbi s\u1ef1 \u01b0u ti\u00ean v\u1ec1 quy \u01b0\u1edbc thay v\u00ec c\u1ea5u h\u00ecnh. Play cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng nh\u01b0 scaffolding v\u00e0 h\u1ed7 tr\u1ee3 Scala, gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t ph\u00e1t tri\u1ec3n v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/struts.apache.org\/\" target=\"_blank\" rel=\"noopener\"><strong>Struts<\/strong><\/a>: Struts l\u00e0 m\u1ed9t framework ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web Java c\u1ed5 \u0111i\u1ec3n, \u0111\u01b0\u1ee3c xem l\u00e0 c\u00f4ng ngh\u1ec7 l\u1ed7i th\u1eddi m\u00e0 nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec7n nay tr\u00e1nh xa. Tuy nhi\u00ean, Struts v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n l\u1edbn v\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eeb plugin Convention gi\u00fap gi\u1ea3m b\u1edbt s\u1ef1 ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.oracle.com\/java\/technologies\/javaserverfaces.html\" target=\"_blank\" rel=\"noopener\"><strong>JSF<\/strong><\/a>: JavaServer Faces (JSF) l\u00e0 m\u1ed9t framework ph\u00e1t tri\u1ec3n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng web cho \u1ee9ng d\u1ee5ng Java EE. JSF cung c\u1ea5p m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u01a1n gi\u1ea3n v\u00e0 linh ho\u1ea1t \u0111\u1ec3 t\u1ea1o ra c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng t\u00e1i s\u1eed d\u1ee5ng, d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh MVC v\u00e0 t\u00edch h\u1ee3p s\u1eb5n trong c\u00e1c m\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng Java EE compliant.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Sau \u0111\u00e2y l\u00e0 b\u1ea3ng t\u1ed5ng h\u1ee3p c\u00e1c framework d\u1ef1a tr\u00ean b\u1ed1n ti\u00eau ch\u00ed: Prototype, \u0110\u1ed9 ph\u1ee9c t\u1ea1p, \u0110\u1ed9 kh\u00f3 v\u00e0 T\u00e0i li\u1ec7u &amp; C\u1ed9ng \u0111\u1ed3ng:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Framework<\/b><\/td>\n<td><b>Prototype<\/b><\/td>\n<td><b>\u0110\u1ed9 ph\u1ee9c t\u1ea1p<\/b><\/td>\n<td><b>\u0110\u1ed9 kh\u00f3<\/b><\/td>\n<td><b>T\u00e0i li\u1ec7u &amp; C\u1ed9ng \u0111\u1ed3ng<\/b><\/td>\n<\/tr>\n<tr>\n<td><strong>Spring<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">SpringBoot gi\u00fap thi\u1ebft l\u1eadp nhanh ch\u00f3ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110a t\u1ea7ng v\u1edbi 22 d\u1ef1 \u00e1n con<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u00f2i h\u1ecfi ki\u1ebfn th\u1ee9c \u0111\u00e1ng k\u1ec3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u phong ph\u00fa, c\u1ed9ng \u0111\u1ed3ng t\u00edch c\u1ef1c<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Grails<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Thi\u1ebft l\u1eadp nhanh v\u00e0 scaffolding<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p v\u1edbi Spring v\u00e0 Hibernate<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n convention thay v\u00ec configuration<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u m\u1ea1nh m\u1ebd, c\u1ed9ng \u0111\u1ed3ng t\u00edch c\u1ef1c<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Vaadin<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Gi\u1ea3m boilerplate c\u1ee7a GWT<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ef1a tr\u00ean GWT, kh\u00f4ng y\u00eau c\u1ea7u tr\u01b0\u1edbc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">K\u00e9o v\u00e0 th\u1ea3 th\u00e0nh ph\u1ea7n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u to\u00e0n di\u1ec7n, c\u1ed9ng \u0111\u1ed3ng t\u00edch c\u1ef1c<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>GWT<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p nhi\u1ec1u widget s\u1eb5n c\u00f3<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1ecf nh\u01b0ng ph\u1ee9c t\u1ea1p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u00e3 gi\u1ed1ng JavaScript<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u m\u1edf r\u1ed9ng, c\u1ed9ng \u0111\u1ed3ng t\u00edch c\u1ef1c<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Wicket<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p HTML s\u1ea1ch v\u00e0 th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p v\u1edbi k\u1ebf th\u1eeba m\u00f4 h\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n Java t\u1eadp trung v\u00e0o Java.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">V\u00ed d\u1ee5 phong ph\u00fa, h\u1ed7 tr\u1ee3 th\u01b0\u01a1ng m\u1ea1i<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Play<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Scaffolding t\u1ed1i \u01b0u h\u00f3a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p v\u1edbi nhi\u1ec1u t\u00ednh n\u0103ng t\u00edch h\u1ee3p.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 b\u1eaft \u0111\u1ea7u, y\u00eau c\u1ea7u Scala cho m\u1eabu<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u \u0111\u1ea7y \u0111\u1ee7, c\u1ed9ng \u0111\u1ed3ng m\u1ea1nh m\u1ebd<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>Struts<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f4ng ngh\u1ec7 c\u0169, c\u1ea5u h\u00ecnh cao<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00e1c h\u00e0nh \u0111\u1ed9ng v\u00e0 interceptors c\u1ea5u tr\u00fac.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00e1 kh\u00f3 v\u1edbi nh\u00e0 ph\u00e1t tri\u1ec3n Java<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u00e0i li\u1ec7u h\u1ea1n ch\u1ebf, c\u1ed9ng \u0111\u1ed3ng m\u1ea1nh m\u1ebd<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong>JSF<\/strong><\/td>\n<td><span style=\"font-weight: 400;\">Thi\u1ebfu t\u00ednh n\u0103ng prototyping t\u00edch h\u1ee3p.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u1ee9c t\u1ea1p do Java EE<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Framework \u0111\u01a1n gi\u1ea3n, t\u00e1i s\u1eed d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7, t\u00e0i li\u1ec7u m\u1edf r\u1ed9ng<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Cach_trien_khai_mo_hinh_MVC_trong_Java\"><\/span><b>C\u00e1ch tri\u1ec3n khai m\u00f4 h\u00ecnh MVC trong Java<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 tri\u1ec3n khai m\u00f4 h\u00ecnh MVC trong Java, vi\u1ec7c \u0111\u1ea7u ti\u00ean c\u1ea7n l\u00e0m l\u00e0 t\u1ea1o 3 layer b\u00ean d\u01b0\u1edbi:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Layer Employee, s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 model\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Layer EmployeeView, s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 view\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Layer EmployeeController, s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 controller<\/span><\/li>\n<\/ul>\n<h3><b>Model c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Trong m\u00f4 h\u00ecnh MVC, th\u00e0nh ph\u1ea7n model ho\u1ea1t \u0111\u1ed9ng nh\u01b0 d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng. N\u00f3 bao g\u1ed3m logic kinh doanh v\u00e0 duy tr\u00ec tr\u1ea1ng th\u00e1i c\u1ee7a \u1ee9ng d\u1ee5ng. Model ch\u1ecbu tr\u00e1ch nhi\u1ec7m truy xu\u1ea5t v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u00e1p d\u1ee5ng c\u00e1c quy t\u1eafc v\u00e0 ki\u1ec3m \u0111\u1ecbnh d\u1eef li\u1ec7u, ph\u1ea3n \u00e1nh c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng. Th\u00f4ng qua model, d\u1eef li\u1ec7u c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd v\u00e0 x\u1eed l\u00fd, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc v\u00e0 h\u00e0nh vi \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e3y xem x\u00e9t \u0111o\u1ea1n code sau \u0111\u00e2y t\u1ea1o ra m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng, \u0111\u00e2y c\u0169ng l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 tri\u1ec3n khai m\u00f4 h\u00ecnh MVC.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package<\/span><span style=\"font-weight: 400;\"> modelviewcontroller.java.pattern.example;<\/span>\r\n \r\n<span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">class<\/span> <span style=\"font-weight: 400;\">EmployeeModel<\/span><span style=\"font-weight: 400;\"> {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">private<\/span> <span style=\"font-weight: 400;\">int<\/span><span style=\"font-weight: 400;\"> id;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">private<\/span><span style=\"font-weight: 400;\"> String name;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">private<\/span><span style=\"font-weight: 400;\"> String job;<\/span>\r\n \r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">EmployeeModel<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">int<\/span><span style=\"font-weight: 400;\"> id, String name, String job) {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">super<\/span><span style=\"font-weight: 400;\">();<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.id = id;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.name = name;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.job = job;<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">int<\/span> <span style=\"font-weight: 400;\">getId<\/span><span style=\"font-weight: 400;\">() {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> id;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 }<\/span>\r\n \r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\"> String <\/span><span style=\"font-weight: 400;\">getName<\/span><span style=\"font-weight: 400;\">() {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> name;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 }<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\"> String <\/span><span style=\"font-weight: 400;\">getJob<\/span><span style=\"font-weight: 400;\">() {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> job;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 }<\/span>\r\n \r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">setId<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">int<\/span><span style=\"font-weight: 400;\"> id) {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.id = id;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 }<\/span>\r\n \r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">setName<\/span><span style=\"font-weight: 400;\">(String name) {<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.name = name;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 }<\/span>\r\n \r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">setJob<\/span><span style=\"font-weight: 400;\">(String job) {<\/span>\r\n <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.job = job;<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 }<\/span>\r\n \r\n<span style=\"font-weight: 400;\">}<\/span><\/pre>\n<h3><b>View c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Nh\u01b0 t\u00ean g\u1ecdi, th\u00e0nh ph\u1ea7n view trong m\u00f4 h\u00ecnh MVC ch\u1ecbu tr\u00e1ch nhi\u1ec7m hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb model. View \u0111\u1ea1i di\u1ec7n cho giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a \u1ee9ng d\u1ee5ng. Layer view t\u1ea1o \u0111\u1ea7u ra c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 truy\u1ec1n th\u00f4ng tin \u0111\u00f3 \u0111\u1ebfn m\u00e1y kh\u00e1ch. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb model b\u1edfi controller v\u00e0 chuy\u1ec3n \u0111\u1ebfn view \u0111\u1ec3 hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng. View \u0111\u1ea3m b\u1ea3o r\u1eb1ng d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb d\u01b0\u1edbi d\u1ea1ng ph\u00f9 h\u1ee3p v\u1edbi giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c y\u00eau c\u1ea7u \u0111\u1ea7u ra c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">H\u00e3y xem m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch t\u1ea1o m\u1ed9t view b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng l\u1edbp EmployeeView.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package modelviewcontroller.java.pattern.example;<\/span>\r\n \r\n<span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">class<\/span> <span style=\"font-weight: 400;\">EmployeeView<\/span><span style=\"font-weight: 400;\"> {<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">printEmployeeInformation<\/span><span style=\"font-weight: 400;\">(EmployeeModel emp){<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">System.<\/span><span style=\"font-weight: 400;\">out<\/span><span style=\"font-weight: 400;\">.println(<\/span><span style=\"font-weight: 400;\">\"Employee [ID=\"<\/span><span style=\"font-weight: 400;\">+emp.getId()+<\/span><span style=\"font-weight: 400;\">\" \/Name=\"<\/span><span style=\"font-weight: 400;\">+emp.getName()+<\/span><span style=\"font-weight: 400;\">\" \/Job=\"<\/span><span style=\"font-weight: 400;\">+emp.getJob()+<\/span><span style=\"font-weight: 400;\">\"]\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\"> \u00a0 <\/span> <span style=\"font-weight: 400;\">}<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span><b><\/b><\/pre>\n<h3><b>Controller c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Trong ki\u1ebfn tr\u00fac MVC, controller nh\u1eadn c\u00e1c y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng t\u1eeb view v\u00e0 x\u1eed l\u00fd ch\u00fang. Controller gi\u1eef vai tr\u00f2 l\u00e0 b\u1ed9 trung gian gi\u1eefa c\u00e1c model v\u00e0 view. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Controller x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 chuy\u1ec3n ti\u1ebfp ch\u00fang \u0111\u1ebfn model \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u. Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi model, n\u00f3 \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 cho controller. Controller sau \u0111\u00f3 chuy\u1ec3n d\u1eef li\u1ec7u \u0111\u1ebfn view ph\u00f9 h\u1ee3p, n\u01a1i n\u00f3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng. Controller \u0111i\u1ec1u ph\u1ed1i lu\u1ed3ng d\u1eef li\u1ec7u gi\u1eefa model v\u00e0 view, \u0111\u1ea3m b\u1ea3o x\u1eed l\u00fd v\u00e0 tr\u00ecnh b\u00e0y \u0111\u00fang ch\u1ee9c n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch \u0111\u1ec3 t\u1ea1o controller:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">package<\/span><span style=\"font-weight: 400;\"> modelviewcontroller.java.pattern.example;<\/span>\r\n \r\n<span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">class<\/span> <span style=\"font-weight: 400;\">Controller<\/span><span style=\"font-weight: 400;\"> {<\/span>\r\n \r\n <span style=\"font-weight: 400;\">private<\/span><span style=\"font-weight: 400;\"> EmployeeModel employeeModel;<\/span>\r\n <span style=\"font-weight: 400;\">private<\/span><span style=\"font-weight: 400;\"> EmployeeView employeeView;<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">Controller<\/span><span style=\"font-weight: 400;\">(EmployeeModel employeeModel, EmployeeView employeeView) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">super<\/span><span style=\"font-weight: 400;\">();<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.employeeModel = employeeModel;<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">this<\/span><span style=\"font-weight: 400;\">.employeeView = employeeView;<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">setEmployeeId<\/span><span style=\"font-weight: 400;\"> (<\/span><span style=\"font-weight: 400;\">int<\/span><span style=\"font-weight: 400;\"> id) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">employeeModel.setId(id);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">updateView();<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">int<\/span> <span style=\"font-weight: 400;\">getEmployeeId<\/span><span style=\"font-weight: 400;\"> () {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> employeeModel.<\/span><span style=\"font-weight: 400;\">getId<\/span><span style=\"font-weight: 400;\">();<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">setEmployeeName<\/span><span style=\"font-weight: 400;\"> (String name) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">employeeModel.setName(name);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">updateView();<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\"> String <\/span><span style=\"font-weight: 400;\">getEmployeeName<\/span><span style=\"font-weight: 400;\"> () {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> employeeModel.<\/span><span style=\"font-weight: 400;\">getName<\/span><span style=\"font-weight: 400;\">();<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">setEmployeeJob<\/span><span style=\"font-weight: 400;\"> (String job) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">employeeModel.setJob(job);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">updateView();<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\"> String <\/span><span style=\"font-weight: 400;\">getEmployeeJob<\/span><span style=\"font-weight: 400;\">() {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> employeeModel.<\/span><span style=\"font-weight: 400;\">getJob<\/span><span style=\"font-weight: 400;\">();<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">void<\/span> <span style=\"font-weight: 400;\">updateView<\/span><span style=\"font-weight: 400;\">(){\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span> \r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">employeeView.printEmployeeInformation(employeeModel);<\/span>\r\n <span style=\"font-weight: 400;\">}<\/span>\r\n \r\n \r\n<span style=\"font-weight: 400;\">}<\/span>\r\n<b><\/b><\/pre>\n<h3><b>K\u1ebft qu\u1ea3 c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java<\/b><b><\/b><\/h3>\n<pre><span style=\"font-weight: 400;\">package<\/span><span style=\"font-weight: 400;\"> modelviewcontroller.java.pattern.example;<\/span>\r\n \r\n<span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">class<\/span> <span style=\"font-weight: 400;\">MvcJavaPatternExample<\/span><span style=\"font-weight: 400;\"> {<\/span>\r\n \r\n <span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">static<\/span><span style=\"font-weight: 400;\"> void main(<\/span><span style=\"font-weight: 400;\">String<\/span><span style=\"font-weight: 400;\">[] args) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> \r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">EmployeeModel employeeModel = <\/span><span style=\"font-weight: 400;\">new<\/span> <span style=\"font-weight: 400;\">EmployeeModel<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">10<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Tu\u1ea5n Tr\u1ea7n\"<\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"font-weight: 400;\">\"Analyst\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">EmployeeView employeeView = <\/span><span style=\"font-weight: 400;\">new<\/span> <span style=\"font-weight: 400;\">EmployeeView<\/span><span style=\"font-weight: 400;\">();<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span> \r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">Controller controller = <\/span><span style=\"font-weight: 400;\">new<\/span> <span style=\"font-weight: 400;\">Controller<\/span><span style=\"font-weight: 400;\">(employeeModel, employeeView);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> \r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">controller.updateView();<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> \r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">System.out.println(<\/span><span style=\"font-weight: 400;\">\"\\nVIEW UPDATES generated automatically by the controller: \"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">System.out.println(<\/span><span style=\"font-weight: 400;\">\"------------------------------------------------------- \"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> \r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">controller.setEmployeeJob(<\/span><span style=\"font-weight: 400;\">\"Programmer\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">controller.setEmployeeJob(<\/span><span style=\"font-weight: 400;\">\"Manager\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">controller.setEmployeeName(<\/span><span style=\"font-weight: 400;\">\"Th\u1ea3o Nguy\u1ec5n\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> <span style=\"font-weight: 400;\">controller.setEmployeeId(<\/span><span style=\"font-weight: 400;\">200<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span> \r\n <span style=\"font-weight: 400;\">}<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n<b><\/b><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Nhung_cach_ap_dung_mo_hinh_MVC_trong_Java_trong_thuc_te\"><\/span><b>Nh\u1eefng c\u00e1ch \u00e1p d\u1ee5ng m\u00f4 h\u00ecnh MVC trong Java trong th\u1ef1c t\u1ebf<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch \u00e1p d\u1ee5ng Java MVC trong th\u1ef1c t\u1ebf k\u00e8m v\u00ed d\u1ee5, gi\u00fap b\u1ea1n c\u00f3 c\u00e1i nh\u00ecn r\u00f5 r\u00e0ng h\u01a1n khi s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh n\u00e0y cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/span><b><\/b><\/p>\n<h3><b>S\u1eed d\u1ee5ng m\u1ed9t c\u1ea5u tr\u00fac chu\u1ea9n<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Gi\u1eef cho c\u1ea5u tr\u00fac d\u1ef1 \u00e1n chu\u1ea9n gi\u00fap code c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c v\u00e0 d\u1ec5 hi\u1ec3u h\u01a1n. M\u1ed9t c\u1ea5u tr\u00fac d\u1ef1 \u00e1n Spring MVC ti\u00eau bi\u1ec3u n\u00ean bao g\u1ed3m c\u00e1c th\u01b0 m\u1ee5c sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">src\/main\/java: Cho c\u00e1c t\u1ec7p ngu\u1ed3n Java<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">src\/main\/resources: Cho c\u00e1c t\u1ec7p t\u00e0i nguy\u00ean, nh\u01b0 application.properties ho\u1eb7c application.yml<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">src\/main\/webapp: Cho c\u00e1c t\u00e0i nguy\u00ean web nh\u01b0 JSPs, c\u00e1c t\u1ec7p JavaScript v\u00e0 c\u00e1c t\u1ec7p stylesheet<\/span><\/li>\n<\/ul>\n<h3><b>S\u1eed d\u1ee5ng ch\u00fa th\u00edch cho configuration\u00a0<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Spring MVC h\u1ed7 tr\u1ee3 c\u1ea3 c\u1ea5u h\u00ecnh d\u1ef1a tr\u00ean XML v\u00e0 ch\u00fa th\u00edch. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fa th\u00edch l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a th\u00edch, v\u00ec n\u00f3 l\u00e0m cho code c\u1ee7a b\u1ea1n d\u1ec5 \u0111\u1ecdc h\u01a1n v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">@Configuration<\/span>\r\n<span style=\"font-weight: 400;\">@EnableWebMvc<\/span>\r\n<span style=\"font-weight: 400;\">@ComponentScan<\/span><span style=\"font-weight: 400;\">(basePackages = {<\/span><span style=\"font-weight: 400;\">\"com.example.springmvc\"<\/span><span style=\"font-weight: 400;\">})<\/span>\r\n<span style=\"font-weight: 400;\">public class WebConfig implements WebMvcConfigurer {<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">@Override<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 public void addResourceHandlers(ResourceHandlerRegistry registry) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">registry<\/span><span style=\"font-weight: 400;\">.addResourceHandler<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">\"\/resources\/**\"<\/span><span style=\"font-weight: 400;\">)<\/span><span style=\"font-weight: 400;\">.addResourceLocations<\/span><span style=\"font-weight: 400;\">(<\/span><span style=\"font-weight: 400;\">\"\/resources\/\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 }<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n<b><\/b><\/pre>\n<h3><b>C\u01a1 ch\u1ebf x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 t\u1eadp trung (Centralized Exception Handling Mechanism)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Thay v\u00ec x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 trong t\u1eebng controller, h\u00e3y th\u1ef1c hi\u1ec7n m\u1ed9t c\u01a1 ch\u1ebf x\u1eed l\u00fd ngo\u1ea1i l\u1ec7 t\u1eadp trung b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ch\u00fa th\u00edch @ControllerAdvice v\u00e0 @ExceptionHandler.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">@ControllerAdvice<\/span>\r\n<span style=\"font-weight: 400;\">public<\/span> <span style=\"font-weight: 400;\">class<\/span> <span style=\"font-weight: 400;\">GlobalExceptionHandler<\/span><span style=\"font-weight: 400;\"> {<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">@ExceptionHandler<\/span><span style=\"font-weight: 400;\">(Exception.<\/span><span style=\"font-weight: 400;\">class<\/span><span style=\"font-weight: 400;\">)<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\"> ModelAndView handleException(Exception ex) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 ModelAndView modelAndView = <\/span><span style=\"font-weight: 400;\">new<\/span><span style=\"font-weight: 400;\"> ModelAndView(<\/span><span style=\"font-weight: 400;\">\"error\"<\/span><span style=\"font-weight: 400;\">);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 modelAndView.addObject(<\/span><span style=\"font-weight: 400;\">\"exception\"<\/span><span style=\"font-weight: 400;\">, ex);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">return<\/span><span style=\"font-weight: 400;\"> modelAndView;<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 }<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n<b><\/b><\/pre>\n<h3><b>Ki\u1ec3m \u0111\u1ecbnh input t\u1eeb user<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt b\u1eb1ng c\u00e1ch ki\u1ec3m tra \u0111\u1ea7u v\u00e0o ng\u01b0\u1eddi d\u00f9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u00fa th\u00edch @Valid v\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng BindingResult.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">@PostMapping(\"\/create\")<\/span>\r\n<span style=\"font-weight: 400;\">public<\/span><span style=\"font-weight: 400;\"> String createUser(<\/span><span style=\"font-weight: 400;\">@ModelAttribute(\"user\")<\/span> <span style=\"font-weight: 400;\">@Valid<\/span><span style=\"font-weight: 400;\"> User user, BindingResult bindingResult, Model model) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">if<\/span><span style=\"font-weight: 400;\"> (bindingResult.hasErrors()) {<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">return<\/span> <span style=\"font-weight: 400;\">\"create-user\"<\/span><span style=\"font-weight: 400;\">;<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 }<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 userService.saveUser(user);<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">return<\/span> <span style=\"font-weight: 400;\">\"redirect:\/users\"<\/span><span style=\"font-weight: 400;\">;<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n<b><\/b><\/pre>\n<h3><b>S\u1eed d\u1ee5ng @Autowired cho Dependency Injection<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u1eadn d\u1ee5ng c\u01a1 ch\u1ebf dependency injection c\u00f3 s\u1eb5n trong Spring b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u00fa th\u00edch.<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">@Autowired<\/span><span style=\"font-weight: 400;\"> \u0111\u1ec3 inject c\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c th\u00e0nh ph\u1ea7n.<\/span>\r\n<span style=\"font-weight: 400;\">@Controller<\/span>\r\n<span style=\"font-weight: 400;\">public class UserController {<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">@Autowired<\/span>\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 private UserService userService;<\/span>\r\n\r\n<span style=\"font-weight: 400;\">\u00a0 \u00a0 <\/span><span style=\"font-weight: 400;\">\/\/ Controller method ...<\/span>\r\n<span style=\"font-weight: 400;\">}<\/span>\r\n<b><\/b><\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_mo_hinh_MVC_trong_Java\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 m\u00f4 h\u00ecnh MVC trong Java<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a m\u00f4 h\u00ecnh MVC trong Java l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ki\u1ebfn tr\u00fac MVC nh\u1eb1m v\u00e0o vi\u1ec7c t\u00e1ch bi\u1ec7t c\u00e1c m\u00f4-\u0111un trong c\u00e1c \u1ee9ng d\u1ee5ng Java, gi\u00fap t\u1ed5 ch\u1ee9c m\u00e3 ngu\u1ed3n, duy tr\u00ec s\u1ef1 t\u00e1ch bi\u1ec7t gi\u1eefa d\u1eef li\u1ec7u, tr\u00ecnh b\u00e0y v\u00e0 logic, v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec chung.<\/span><b><\/b><\/p>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o MVC t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng code?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">MVC cho ph\u00e9p t\u00e1i s\u1eed d\u1ee5ng code b\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t c\u00e1c th\u00e0nh ph\u1ea7n model, view v\u00e0 controller. Model c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i tr\u00ean c\u00e1c view kh\u00e1c nhau, v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o nhi\u1ec1u view cho m\u1ed9t model duy nh\u1ea5t. S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u00e1i s\u1eed d\u1ee5ng c\u00e1c th\u00e0nh ph\u1ea7n trong c\u00e1c ng\u1eef c\u1ea3nh kh\u00e1c nhau, gi\u1ea3m thi\u1ec3u s\u1ef1 tr\u00f9ng l\u1eb7p m\u00e3 v\u00e0 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3.<\/span><b><\/b><\/p>\n<h3><b>MVC l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ki\u1ec3m th\u1eed?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">MVC t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb b\u1eb1ng c\u00e1ch cung c\u1ea5p s\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng c\u1ee7a c\u00e1c quan t\u00e2m. M\u1ed7i th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c test \u0111\u1ed9c l\u1eadp, l\u00e0m cho vi\u1ec7c x\u00e1c minh ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. Kh\u1ea3 n\u0103ng test \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng nh\u1edd vi\u1ec7c t\u00e1ch c\u00e1c m\u00f4-\u0111un v\u1edbi ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u1ee7a model, view v\u00e0 controller.<\/span><b><\/b><\/p>\n<h3><b>Li\u1ec7u c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u view v\u1edbi m\u1ed9t model trong MVC kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3, trong MVC, c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u view v\u1edbi m\u1ed9t model duy nh\u1ea5t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p hi\u1ec3n th\u1ecb c\u00e1c d\u1eef li\u1ec7u c\u01a1 b\u1ea3n c\u00f9ng m\u1ed9t c\u00e1ch kh\u00e1c nhau \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng. M\u1ed7i view c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00e1c y\u00eau c\u1ea7u giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3 ho\u1eb7c nh\u1eafm v\u00e0o c\u00e1c thi\u1ebft b\u1ecb ho\u1eb7c n\u1ec1n t\u1ea3ng kh\u00e1c nhau.<\/span><b><\/b><\/p>\n<h3><b>MVC c\u00f3 h\u1ea1n ch\u1ebf l\u1ef1a ch\u1ecdn c\u00e1c c\u00f4ng ngh\u1ec7 trong ph\u00e1t tri\u1ec3n Java kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Kh\u00f4ng, MVC l\u00e0 m\u1ed9t m\u1eabu thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 v\u00e0 frameworks kh\u00e1c nhau trong ph\u00e1t tri\u1ec3n Java. S\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a c\u00f4ng ngh\u1ec7 ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 frameworks c\u00f3 s\u1eb5n trong h\u1ec7 sinh th\u00e1i Java.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><b>T\u1ed5ng k\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Ki\u1ebfn tr\u00fac MVC cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u1ea5u tr\u00fac v\u00e0 c\u00f3 t\u00ednh t\u1ed5 ch\u1ee9c \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng, v\u1edbi vi\u1ec7c ph\u00e2n chia th\u00e0nh ba ph\u1ea7n: model, view v\u00e0 controller. S\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c ph\u1ea7n gi\u00fap t\u1ed5 ch\u1ee9c m\u00e3 ngu\u1ed3n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 v\u1ec1 ki\u1ebfn tr\u00fac MVC, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng Java m\u1ea1nh m\u1ebd, linh ho\u1ea1t v\u00e0 \u0111\u1ea3m b\u1ea3o tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. Vi\u1ec7c \u00e1p d\u1ee5ng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web ch\u1ea5t l\u01b0\u1ee3ng cao, m\u00e0 c\u00f2n n\u00e2ng cao kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ki\u1ebfn tr\u00fac Model-View-Controller (MVC) trong Java l\u00e0 m\u1ed9t m\u1eabu thi\u1ebft k\u1ebf cung c\u1ea5p c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng. M\u00f4 h\u00ecnh MVC trong Java t\u00e1ch c\u00e1c m\u1ed1i quan t\u00e2m c\u1ee7a \u1ee9ng d\u1ee5ng th\u00e0nh ba th\u00e0nh ph\u1ea7n ch\u00ednh: Model, View v\u00e0 Controller. M\u1ed7i th\u00e0nh ph\u1ea7n c\u00f3 m\u1ed9t vai tr\u00f2 v\u00e0 tr\u00e1ch [&hellip;]<\/p>\n","protected":false},"author":95,"featured_media":69608,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-69601","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M\u00f4 h\u00ecnh MVC trong Java: \u0110\u1ecbnh ngh\u0129a v\u00e0 C\u00e1ch \u00e1p d\u1ee5ng th\u1ef1c t\u1ebf - ITviec Blog<\/title>\n<meta name=\"description\" content=\"M\u00f4 h\u00ecnh MVC trong Java t\u00e1ch ki\u1ebfn tr\u00fac \u1ee9ng d\u1ee5ng th\u00e0nh ba th\u00e0nh ph\u1ea7n ch\u00ednh: Model, View v\u00e0 Controller, t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t vai tr\u00f2 c\u1ee5 th\u1ec3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/mo-hinh-mvc-trong-java\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java MVC l\u00e0 g\u00ec? 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