{"id":76397,"date":"2024-07-31T21:36:34","date_gmt":"2024-07-31T14:36:34","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=76397"},"modified":"2024-07-31T21:36:34","modified_gmt":"2024-07-31T14:36:34","slug":"backend-la-gi","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/backend-la-gi\/","title":{"rendered":"Backend l\u00e0 g\u00ec: T\u1ed5ng h\u1ee3p c\u00e1c ki\u1ebfn th\u1ee9c c\u1ea7n bi\u1ebft v\u1ec1 Backend"},"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\/backend-la-gi\/#Backend_la_gi\" >Backend l\u00e0 g\u00ec?<\/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\/backend-la-gi\/#Vai_tro_cua_Backend_la_gi_trong_hoat_dong_cua_website\" >Vai tr\u00f2 c\u1ee7a Backend l\u00e0 g\u00ec trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a website?<\/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\/backend-la-gi\/#Backend_gom_nhung_thanh_phan_nao\" >Backend g\u1ed3m nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0o?<\/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\/backend-la-gi\/#Backend_hoat_dong_nhu_the_nao\" >Backend ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/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\/backend-la-gi\/#Ngon_ngu_lap_trinh_cho_Backend_la_gi\" >Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh cho Backend l\u00e0 g\u00ec?<\/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\/backend-la-gi\/#Backend_su_dung_frameworks_nao\" >Backend s\u1eed d\u1ee5ng frameworks n\u00e0o?<\/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\/backend-la-gi\/#Backend_su_dung_thu_vien_library_nao\" >Backend s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n (library) n\u00e0o?<\/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\/backend-la-gi\/#Su_khac_biet_giua_Frontend_va_Backend_la_gi\" >S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Frontend v\u00e0 Backend l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/itviec.com\/blog\/backend-la-gi\/#Cac_cau_hoi_thuong_gap_ve_Backend_la_gi\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Backend l\u00e0 g\u00ec<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/itviec.com\/blog\/backend-la-gi\/#Tong_ket_Backend_la_gi\" >T\u1ed5ng k\u1ebft Backend l\u00e0 g\u00ec<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Giao di\u1ec7n b\u00e0i vi\u1ebft m\u00e0 b\u1ea1n \u0111ang xem \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi frontend, v\u00e0 vi\u1ec7c b\u1ea1n truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o b\u00e0i vi\u1ebft n\u00e0y l\u00e0 nh\u1edd qu\u00e1 tr\u00ecnh x\u1eed l\u00fd backend. V\u1eady ch\u00ednh x\u00e1c Backend l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? N\u1ebfu b\u1ea1n \u0111ang c\u00f3 \u00fd \u0111\u1ecbnh tr\u1edf th\u00e0nh backend developer, nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend l\u00e0 g\u00ec?\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vai tr\u00f2 c\u1ee7a backend trong thi\u1ebft k\u1ebf web<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend g\u1ed3m nh\u1eefng ph\u1ea7n n\u00e0o?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend s\u1eed d\u1ee5ng frameworks n\u00e0o?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n (library) n\u00e0o?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Backend v\u00e0 Frontend c\u00f3 g\u00ec kh\u00e1c nhau?<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Backend_la_gi\"><\/span><b>Backend l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Backend, hay c\u00f2n g\u1ecdi l\u00e0 ph\u00eda m\u00e1y ch\u1ee7, l\u00e0 ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng web ho\u1eb7c trang web m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng tr\u1ef1c ti\u1ebfp nh\u00ecn th\u1ea5y. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng trong m\u1ed9t nh\u00e0 h\u00e0ng sang tr\u1ecdng:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Frontend<\/b><span style=\"font-weight: 400;\"> l\u00e0 khu v\u1ef1c ti\u1ebfp kh\u00e1ch, n\u01a1i th\u1ef1c kh\u00e1ch th\u01b0\u1edfng th\u1ee9c m\u00f3n \u0103n v\u00e0 giao ti\u1ebfp v\u1edbi nh\u00e2n vi\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Backend <\/b><span style=\"font-weight: 400;\">ch\u00ednh l\u00e0 khu v\u1ef1c b\u1ebfp n\u00fac, n\u01a1i \u0111\u1ea7u b\u1ebfp ch\u1ebf bi\u1ebfn m\u00f3n \u0103n, qu\u1ea3n l\u00fd nguy\u00ean li\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o v\u1ec7 sinh an to\u00e0n th\u1ef1c ph\u1ea9m.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">T\u01b0\u01a1ng t\u1ef1 v\u1edbi m\u1ed9t trang web, frontend ch\u00ednh l\u00e0 nh\u1eefng g\u00ec \u0111ang hi\u1ec7n h\u1eefu tr\u00ean m\u00e0n h\u00ecnh m\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u1ea5y v\u00e0 backend ch\u00ednh l\u00e0 t\u1ea5t c\u1ea3 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd ph\u00eda sau g\u1ed3m logic, l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 c\u00e1c ch\u1ee9c n\u0103ng b\u1ea3o m\u1eadt c\u1ea7n thi\u1ebft \u0111\u1ec3 \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c theo nh\u1eefng h\u00e0nh \u0111\u1ed9ng m\u00e0 ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vai_tro_cua_Backend_la_gi_trong_hoat_dong_cua_website\"><\/span><b>Vai tr\u00f2 c\u1ee7a Backend l\u00e0 g\u00ec trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a website?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Hai vai tr\u00f2 ch\u00ednh c\u1ee7a backend trong m\u1ed7i trang web l\u00e0 v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o m\u1eadt. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3, backend s\u1ebd \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ee9c n\u0103ng sau \u0111\u00e2y:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qu\u1ea3n l\u00fd d\u1eef li\u1ec7u: <\/b><span style=\"font-weight: 400;\">Backend c\u00f3 tr\u00e1ch nhi\u1ec7m t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u00ean trang web. C\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u00f3 bao g\u1ed3m t\u1ea1o, l\u01b0u tr\u1eef d\u1eef li\u1ec7u, truy c\u1eadp \u0111\u1ec3 \u0111\u1ecdc, ch\u1ec9nh s\u1eeda, xu\u1ea5t ho\u1eb7c thay \u0111\u1ed5i d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Logic kinh doanh:<\/b><span style=\"font-weight: 400;\"> Backend ch\u1ee9a c\u00e1c logic v\u00e0 quy t\u1eafc x\u00e1c \u0111\u1ecbnh c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng. Bao g\u1ed3m c\u00e1c quy tr\u00ecnh nh\u01b0 x\u00e1c th\u1ef1c v\u00e0 \u1ee7y quy\u1ec1n ng\u01b0\u1eddi d\u00f9ng, qu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng trong c\u1eeda h\u00e0ng tr\u1ef1c tuy\u1ebfn,\u2026<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o m\u1eadt:<\/b><span style=\"font-weight: 400;\"> Ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd d\u1eef li\u1ec7u, backend c\u0169ng c\u1ea7n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u b\u1ea3o m\u1eadt c\u00e1c th\u00f4ng tin \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng cung c\u1ea5p th\u00f4ng qua website. Ch\u00ednh v\u00ec v\u1eady, m\u1ed9t trong nh\u1eefng vai tr\u00f2 c\u1ee7a backend l\u00e0 h\u1ea1n ch\u1ebf t\u1ed1i \u0111a nguy c\u01a1 r\u00f2 r\u1ec9 ho\u1eb7c m\u1ea5t d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>T\u00edch h\u1ee3p: <\/b><span style=\"font-weight: 400;\">Nhi\u1ec1u \u1ee9ng d\u1ee5ng web c\u1ea7n t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 API c\u1ee7a b\u00ean th\u1ee9 ba, d\u1ecbch v\u1ee5 thanh to\u00e1n, d\u1ecbch v\u1ee5 email, m\u1ea1ng x\u00e3 h\u1ed9i,\u2026 v\u00e0 backend ch\u00ednh l\u00e0 \u201cc\u1ea7u n\u1ed1i\u201d cho c\u00e1c t\u00edch h\u1ee3p n\u00e0y.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/b><span style=\"font-weight: 400;\"> Backend c\u00f3 vai tr\u00f2 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 cho ph\u00e9p n\u00f3 m\u1edf r\u1ed9ng \u0111\u1ec3 x\u1eed l\u00fd s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c l\u1edbn h\u01a1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o tr\u00ec:<\/b><span style=\"font-weight: 400;\"> Backend th\u1ef1c hi\u1ec7n c\u00e1c c\u1eadp nh\u1eadt v\u00e0 s\u1eeda l\u1ed7i c\u1ee7a \u1ee9ng d\u1ee5ng. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 duy tr\u00ec v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c kh\u00eda c\u1ea1nh nh\u1ea5t \u0111\u1ecbnh c\u1ee7a \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qu\u1ea3n tr\u1ecb v\u00e0 gi\u00e1m s\u00e1t: <\/b><span style=\"font-weight: 400;\">Backend cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ee9ng d\u1ee5ng.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 th\u1ea5y, backend l\u00e0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a \u1ee9ng d\u1ee5ng web v\u00ec n\u00f3 x\u1eed l\u00fd t\u1ea5t c\u1ea3 ho\u1ea1t \u0111\u1ed9ng h\u1eadu tr\u01b0\u1eddng \u0111\u1ec3 \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n. Kh\u00f4ng ch\u1ec9 v\u1eady, backend c\u00f2n k\u1ebft h\u1ee3p v\u1edbi frontend \u0111\u1ec3 mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ho\u00e0n ch\u1ec9nh cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Backend_gom_nhung_thanh_phan_nao\"><\/span><b>Backend g\u1ed3m nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Backend c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng web ho\u1eb7c ph\u1ea7n m\u1ec1m bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00f4ng hi\u1ec3n th\u1ecb tr\u1ef1c ti\u1ebfp v\u1edbi ng\u01b0\u1eddi d\u00f9ng, bao g\u1ed3m:<\/span><\/p>\n<h3><b>M\u00e1y ch\u1ee7 (Server)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t m\u00e1y v\u1eadt l\u00fd ho\u1eb7c \u1ea3o c\u00f3 ch\u1ee9c n\u0103ng thu th\u1eadp, l\u01b0u tr\u1eef, x\u1eed l\u00fd v\u00e0 qu\u1ea3n l\u00fd c\u00e1c t\u00e0i nguy\u00ean c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ea1y m\u1ed9t \u1ee9ng d\u1ee5ng web. Khi nh\u1eadn \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, m\u00e1y ch\u1ee7 s\u1ebd th\u1ef1c thi c\u00e1c logic c\u1ea7n thi\u1ebft v\u00e0 tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i th\u00f4ng qua giao th\u1ee9c truy\u1ec1n th\u00f4ng, th\u01b0\u1eddng l\u00e0 HTTP.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean c\u00f3 th\u1ec3 l\u1eadp tr\u00ecnh c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c nhau \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng code c\u1ee5 th\u1ec3 d\u1ef1a tr\u00ean \u0111\u1ea7u v\u00e0o nh\u1eadn \u0111\u01b0\u1ee3c. Ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 c\u00e1c lo\u1ea1i m\u00e1y ch\u1ee7 s\u1eed d\u1ee5ng h\u1ec7 \u0111i\u1ec1u h\u00e0nh Linux nh\u01b0 Ubuntu, CentOS,&#8230;<\/span><\/p>\n<h3><b>Logic \u1ee9ng d\u1ee5ng (Application Logic)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c trang web ch\u1ee9a c\u00e1c h\u00e0m v\u00e0 thu\u1eadt to\u00e1n, cho ph\u00e9p th\u00f4ng tin v\u00e0 h\u00e0nh \u0111\u1ed9ng ph\u00e1t sinh t\u1eeb h\u00e0nh vi c\u1ee7a ng\u01b0\u1eddi d\u00f9ng tr\u00ean n\u1ec1n t\u1ea3ng. Chuy\u00ean gia backend t\u1ea1o ra logic ch\u1ea1y g\u1ea7n nh\u01b0 \u0111\u1ed9c quy\u1ec1n tr\u00ean m\u00e1y ch\u1ee7, di\u1ec5n d\u1ecbch d\u1eef li\u1ec7u v\u00e0 t\u1ea1o ra k\u1ebft qu\u1ea3. Logic x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 logic c\u1ee7a \u1ee9ng d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, thanh to\u00e1n, c\u1eadp nh\u1eadt d\u1eef li\u1ec7u,&#8230;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c vi\u1ebft b\u1eb1ng c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh nh\u01b0 Python, Java, PHP, Node.js,&#8230; Logic \u1ee9ng d\u1ee5ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c th\u00e0nh c\u00e1c module ho\u1eb7c microservice \u0111\u1ec3 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o tr\u00ec.<\/span><\/p>\n<h3><b>Framework<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 nh\u1eefng h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea5u tr\u00fac code, logic v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c li\u00ean quan \u0111\u1ebfn ki\u1ebfn tr\u00fac web. Ch\u00fang l\u00e0 c\u00e1c templates cho backend m\u00e0 l\u1eadp tr\u00ecnh vi\u00ean s\u1eed d\u1ee5ng \u0111\u1ec3 vi\u1ebft v\u00e0 ch\u1ec9nh s\u1eeda code tr\u00ean m\u00e1y ch\u1ee7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t s\u1ed1 framework bao g\u1ed3m c\u00e1c th\u01b0 vi\u1ec7n d\u1eef li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5 cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c \u0111o\u1ea1n code ch\u1ee9c n\u0103ng.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/framework-la-gi-top-framework-pho-bien-nhat\/\" target=\"_blank\" rel=\"noopener\"><strong>Top 15+ framework back-end, front-end v\u00e0 mobile ph\u1ed5 bi\u1ebfn nh\u1ea5t 2024<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>C\u01a1 s\u1edf d\u1eef li\u1ec7u (Database)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u1ee9a th\u00f4ng tin m\u00e0 m\u00e1y ch\u1ee7 truy c\u1eadp \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00e1c ch\u1ee9c n\u0103ng tr\u1ef1c ti\u1ebfp c\u1ee7a trang web. Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c t\u00f9y ch\u1ecdn \u0111\u1ec3 ph\u00e2n lo\u1ea1i th\u00f4ng tin m\u00e0 ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp. Th\u00f4ng th\u01b0\u1eddng, d\u1eef li\u1ec7u n\u00e0y bao g\u1ed3m c\u00e1c s\u1ed1 nguy\u00ean, k\u00fd t\u1ef1 v\u00e0 m\u1ea3ng.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"https:\/\/itviec.com\/blog\/co-so-du-lieu-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>C\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 g\u00ec: Th\u00e0nh ph\u1ea7n, \u1ee9ng d\u1ee5ng, ph\u00e2n lo\u1ea1i<\/strong><\/a><\/em><\/p><\/blockquote>\n<h3><b>API (Giao di\u1ec7n l\u1eadp tr\u00ecnh \u1ee9ng d\u1ee5ng)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/itviec.com\/blog\/api-la-gi\/\" target=\"_blank\" rel=\"noopener\">API<\/a> cho ph\u00e9p c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh ph\u1ea7n m\u1ec1m giao ti\u1ebfp v\u1edbi m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00e1c \u0111\u1ec3 trao \u0111\u1ed5i th\u00f4ng tin. Cung c\u1ea5p c\u00e1c \u0111i\u1ec3m truy c\u1eadp \u0111\u1ec3 frontend c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi backend v\u00e0 l\u1ea5y d\u1eef li\u1ec7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng API ph\u1ed5 bi\u1ebfn nh\u01b0 JSON, XML, REST, GraphQL,&#8230;<\/span><\/p>\n<h3><b>C\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh tr\u00ean, backend c\u00f2n c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nh\u01b0:<\/span><\/p>\n<ul>\n<li><b>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u1ed9i dung (CMS): <\/b><span style=\"font-weight: 400;\">Gi\u00fap qu\u1ea3n l\u00fd n\u1ed9i dung website d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/li>\n<li><b>N\u1ec1n t\u1ea3ng ph\u00e2n t\u00edch d\u1eef li\u1ec7u: <\/b><span style=\"font-weight: 400;\">Theo d\u00f5i v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u ng\u01b0\u1eddi d\u00f9ng.<\/span><\/li>\n<li><b>C\u00f4ng c\u1ee5 b\u1ea3o m\u1eadt: <\/b><span style=\"font-weight: 400;\">B\u1ea3o v\u1ec7 website kh\u1ecfi c\u00e1c truy c\u1eadp tr\u00e1i ph\u00e9p v\u00e0 t\u1ea5n c\u00f4ng m\u1ea1ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">C\u00e1c th\u00e0nh ph\u1ea7n k\u1ec3 tr\u00ean ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 t\u1ea1o ra c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u00e0 ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft trong backend c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng web ho\u1eb7c ph\u1ea7n m\u1ec1m. S\u1ef1 l\u1ef1a ch\u1ecdn v\u00e0 c\u1ea5u h\u00ecnh c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee5 th\u1ec3 v\u00e0 ki\u1ebfn tr\u00fac c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Backend_hoat_dong_nhu_the_nao\"><\/span><b>Backend ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Shopee, Lazada l\u00e0 nh\u1eefng v\u00ed d\u1ee5 r\u00f5 nh\u1ea5t cho c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a backend m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o. Trong khi b\u1ea1n nh\u1ea5n li\u00ean ti\u1ebfp c\u00e1c b\u01b0\u1edbc ch\u1ecdn \u0111\u1ec3 \u0111\u1eb7t \u0111\u01b0\u1ee3c m\u00f3n h\u00e0ng \u0111\u00f3, backend c\u0169ng song song x\u1eed l\u00fd \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Quy tr\u00ecnh x\u1eed l\u00fd c\u00f3 th\u1ec3 g\u1ed3m c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Nh\u1eadn y\u00eau c\u1ea7u t\u1eeb ng\u01b0\u1eddi d\u00f9ng: <\/b><span style=\"font-weight: 400;\">Khi b\u1ea1n b\u1eaft \u0111\u1ea7u truy c\u1eadp trang web ho\u1eb7c \u1ee9ng d\u1ee5ng c\u0169ng l\u00e0 l\u00fac backend \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>X\u1eed l\u00fd y\u00eau c\u1ea7u<\/b><span style=\"font-weight: 400;\">: Sau khi nh\u1eadn \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u t\u1eeb b\u1ea1n, backend s\u1ebd b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u00f3 th\u1ec3 g\u1ed3m c\u00e1c b\u01b0\u1edbc sau: Truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u (th\u00f4ng tin s\u1ea3n ph\u1ea9m, gi\u00e1 s\u1ea3n ph\u1ea9m, gi\u1ecf h\u00e0ng ng\u01b0\u1eddi d\u00f9ng,&#8230;); Th\u1ef1c hi\u1ec7n logic x\u1eed l\u00fd (t\u00ednh to\u00e1n s\u1ed1 ti\u1ec1n, ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m,&#8230;); C\u1eadp nh\u1eadt c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u1ea3n h\u1ed3i cho ng\u01b0\u1eddi d\u00f9ng: <\/b><span style=\"font-weight: 400;\">Backend g\u1eedi ph\u1ea3n h\u1ed3i cho ng\u01b0\u1eddi d\u00f9ng qua giao th\u1ee9c HTTP sau khi ho\u00e0n t\u1ea5t x\u1eed l\u00fd y\u00eau c\u1ea7u. Song song v\u1edbi k\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh c\u1ee7a b\u1ea1n, backend th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc nh\u01b0 x\u1eed l\u00fd d\u1eef li\u1ec7u JSON, th\u00f4ng b\u00e1o l\u1ed7i (n\u1ebfu x\u1ea3y ra l\u1ed7i).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Gi\u00e1m s\u00e1t v\u00e0 b\u1ea3o m\u1eadt: <\/b><span style=\"font-weight: 400;\">Backend \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t li\u00ean t\u1ee5c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c truy c\u1eadp tr\u00e1i ph\u00e9p, t\u1ea5n c\u00f4ng m\u1ea1ng.<\/span><\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"Ngon_ngu_lap_trinh_cho_Backend_la_gi\"><\/span><b>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh cho Backend l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Python, PHP, Java, Ruby l\u00e0 4 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh backend \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/itviec.com\/blog\/tai-lieu-lap-trinh-python\/\" target=\"_blank\" rel=\"noopener\">Python<\/a>:<\/b><span style=\"font-weight: 400;\"> Nh\u1edd c\u00fa ph\u00e1p tr\u1ef1c quan v\u00e0 g\u1ea7n g\u0169i v\u1edbi ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, Python gi\u00fap c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean d\u1ec5 d\u00e0ng n\u1eafm b\u1eaft v\u00e0 vi\u1ebft code nhanh ch\u00f3ng. C\u00f3 th\u1ec3 ch\u1eadm h\u01a1n m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef kh\u00e1c. Ngo\u00e0i ra, ng\u00f4n ng\u1eef n\u00e0y c\u0169ng d\u1ec5 d\u00e0ng k\u1ebft n\u1ed1i v\u1edbi c\u00e1c ng\u00f4n ng\u1eef v\u00e0 c\u00f4ng ngh\u1ec7 kh\u00e1c, m\u1edf r\u1ed9ng kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng cho d\u1ef1 \u00e1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/itviec.com\/blog\/php-la-gi\/\" target=\"_blank\" rel=\"noopener\">PHP<\/a>: <\/b><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u1ec1 t\u00ednh b\u1ea3o m\u1eadt, gi\u00fap b\u1ea3o v\u1ec7 d\u1eef li\u1ec7u \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3. Ng\u00f4n ng\u1eef n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 m\u00e1y ch\u1ee7, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Java:<\/b><span style=\"font-weight: 400;\"> Java c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u00e0 kh\u00f4ng c\u1ea7n bi\u00ean d\u1ecbch. Ngo\u00e0i ra, n\u00f3 c\u0169ng \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch th\u00e0nh bytecode, c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean b\u1ea5t k\u1ef3 m\u00e1y \u1ea3o Java n\u00e0o, \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch cao.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ruby: <\/b><span style=\"font-weight: 400;\">Ng\u00f4n ng\u1eef n\u00e0y h\u1ed7 tr\u1ee3 t\u1ed1t cho vi\u1ec7c m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai. \u0110\u1eb7c bi\u1ec7t, c\u00fa ph\u00e1p Ruby \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 vi\u1ebft, gi\u00fap t\u0103ng n\u0103ng su\u1ea5t l\u1eadp tr\u00ecnh.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra c\u00f2n nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c v\u00ed d\u1ee5 nh\u01b0: JavaScript, C#, Go, Swift,&#8230;<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh backend developer, vi\u1ec7c \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n l\u00e0m ch\u00ednh l\u00e0 hi\u1ec3u v\u00e0 n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u1ec1n t\u1ea3ng n\u00e0y. M\u1eb7c d\u00f9 kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i s\u1eed d\u1ee5ng t\u1ea5t c\u1ea3 ng\u00f4n ng\u1eef n\u00eau tr\u00ean trong m\u1ed9t trang web, nh\u01b0ng vi\u1ec7c n\u1eafm v\u1eefng s\u1ebd gi\u00fap b\u1ea1n c\u00f3 nhi\u1ec1u l\u1ef1a ch\u1ecdn \u0111\u1ec3 t\u1ed1i \u01b0u th\u1eddi gian khi x\u00e2y d\u1ef1ng trang web.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Backend_su_dung_frameworks_nao\"><\/span><b>Backend s\u1eed d\u1ee5ng frameworks n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00e1c framework h\u1ed7 tr\u1ee3 l\u1eadp tr\u00ecnh backend ph\u1ed5 bi\u1ebfn g\u1ed3m: Django, Flask, Ruby on Rails, CakePHP. Trong \u0111\u00f3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Django:<\/b><span style=\"font-weight: 400;\"> L\u00e0 m\u1ed9t framework web cao c\u1ea5p \u0111i k\u00e8m v\u1edbi c\u00e1c plugin t\u00edch h\u1ee3p s\u1eb5n, \u0111\u1ed3ng th\u1eddi Django c\u00f3 kh\u1ea3 n\u0103ng t\u00f9y ch\u1ec9nh cao. Frameworks n\u00e0y l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng web t\u01b0\u01a1ng t\u00e1c, quy m\u00f4 l\u1edbn v\u00e0 d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Flask: <\/b><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t microframework d\u1ef1a tr\u00ean ng\u00f4n ng\u1eef Python. N\u00f3 kh\u00f4ng y\u00eau c\u1ea7u b\u1ea5t k\u1ef3 th\u01b0 vi\u1ec7n ho\u1eb7c c\u00f4ng c\u1ee5 n\u00e0o n\u00ean r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n nh\u1ecf. M\u1eb7c d\u00f9 v\u1eady, Flask c\u00f3 th\u1ec3 t\u00edch h\u1ee3p v\u1edbi c\u00e1c th\u01b0 vi\u1ec7n kh\u00e1c \u0111\u1ec3 m\u1edf r\u1ed9ng ch\u1ee9c n\u0103ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b><a href=\"https:\/\/itviec.com\/blog\/ruby-on-rails\/\" target=\"_blank\" rel=\"noopener\">Ruby on Rails<\/a>: <\/b><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t framework \u1ee9ng d\u1ee5ng web \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng ng\u00f4n ng\u1eef Ruby. Frameworks n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c b\u1ea3ng d\u1eef li\u1ec7u ho\u00e0n ch\u1ec9nh v\u00e0 t\u00ednh n\u0103ng di chuy\u1ec3n d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>CakePHP: <\/b><span style=\"font-weight: 400;\">L\u00e0 m\u1ed9t framework web ph\u1ed5 bi\u1ebfn cho PHP. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ecf v\u00e0 l\u1edbn v\u00ec d\u1ec5 c\u1ea5u h\u00ecnh v\u00e0 c\u00f3 t\u00ednh b\u1ea3o m\u1eadt to\u00e0n di\u1ec7n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, backend c\u00f2n s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 framework kh\u00e1c nh\u01b0 Hanami, Grape, Koa.js, Nest.js, Express.js, Spring boot,\u2026<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Backend_su_dung_thu_vien_library_nao\"><\/span><b>Backend s\u1eed d\u1ee5ng th\u01b0 vi\u1ec7n (library) n\u00e0o?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Lodash, Moment.js, Axios, Async,\u2026 l\u00e0 nh\u1eefng th\u01b0 vi\u1ec7n backend \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 cung c\u1ea5p m\u1ed9t lo\u1ea1t t\u00ednh n\u0103ng nh\u01b0 k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u, b\u1ea3o m\u1eadt, x\u00e1c th\u1ef1c,&#8230;\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Lodash: <\/b><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n ti\u1ec7n \u00edch \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng, cung c\u1ea5p nhi\u1ec1u h\u00e0m h\u1ed7 tr\u1ee3 h\u1eefu \u00edch cho c\u00e1c thao t\u00e1c v\u00e0 l\u00e0m vi\u1ec7c v\u1edbi m\u1ea3ng (array), \u0111\u1ed1i t\u01b0\u1ee3ng (object), chu\u1ed7i (string),&#8230; Lodash cung c\u1ea5p c\u00e1c API nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c t\u00e1c v\u1ee5 l\u1eadp tr\u00ecnh th\u00f4ng th\u01b0\u1eddng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Moment.js: <\/b><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n d\u00e0nh cho vi\u1ec7c ph\u00e2n t\u00edch c\u00fa ph\u00e1p, thao t\u00e1c v\u00e0 \u0111\u1ecbnh d\u1ea1ng ng\u00e0y, gi\u1edd trong Javascript. Moment.js cung c\u1ea5p b\u1ed9 t\u00ednh n\u0103ng to\u00e0n di\u1ec7n \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi ng\u00e0y th\u00e1ng, bao g\u1ed3m h\u1ed7 tr\u1ee3 ph\u00e2n t\u00edch c\u00fa ph\u00e1p, x\u00e1c th\u1ef1c, \u0111\u1ecbnh d\u1ea1ng v\u00e0 x\u1eed l\u00fd m\u00fai gi\u1edd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Axios: <\/b><span style=\"font-weight: 400;\">Th\u01b0 vi\u1ec7n HTTP client \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP t\u1eeb Javascript. Axios h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng \u0111a d\u1ea1ng nh\u01b0 API d\u1ef1a tr\u00ean promise, ch\u1eb7n y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i, t\u1ef1 \u0111\u1ed9ng ph\u00e2n t\u00edch d\u1eef li\u1ec7u JSON v\u00e0 x\u1eed l\u00fd l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Async: <\/b><span style=\"font-weight: 400;\">Async cho ph\u00e9p ki\u1ec3m so\u00e1t chi ti\u1ebft vi\u1ec7c th\u1ef1c thi b\u1ea5t \u0111\u1ed3ng b\u1ed9 v\u00e0 x\u1eed l\u00fd l\u1ed7i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Bluebird: <\/b><span style=\"font-weight: 400;\">\u0110\u00e2y l\u00e0 th\u01b0 vi\u1ec7n promise \u0111a n\u0103ng cho Javascript. Bluebird c\u1ea3i ti\u1ebfn c\u00e1c promise g\u1ed1c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c v\u00e0 ti\u1ec7n \u00edch b\u1ed5 sung, ch\u1eb3ng h\u1ea1n x\u1eed l\u00fd l\u1ed7i n\u00e2ng cao, qu\u1ea3n l\u00fd th\u1eddi gian ch\u1edd, h\u1ee7y promise,\u2026<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Node-fetch:<\/b><span style=\"font-weight: 400;\"> Node-fetch l\u00e0 th\u01b0 vi\u1ec7n t\u1ed1i gi\u1ea3n, cung c\u1ea5p t\u00ednh n\u0103ng fetch API cho Node.js.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Nodemailer:<\/b><span style=\"font-weight: 400;\"> Nodemailer l\u00e0 th\u01b0 vi\u1ec7n \u0111\u1ec3 g\u1eedi email t\u1eeb c\u00e1c \u1ee9ng d\u1ee5ng Node.js. N\u00f3 h\u1ed7 tr\u1ee3 nhi\u1ec1u nh\u00e0 cung c\u1ea5p email kh\u00e1c nhau v\u00e0 cung c\u1ea5p API \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 g\u1eedi c\u1ea3 email v\u0103n b\u1ea3n thu\u1ea7n v\u00e0 HTML v\u1edbi t\u1ec7p \u0111\u00ednh k\u00e8m.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Node.js Crypto:<\/b><span style=\"font-weight: 400;\"> Node.js Crypto l\u00e0 module t\u00edch h\u1ee3p s\u1eb5n trong Node.js cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng v\u1ec1 m\u1eadt m\u00e3 h\u1ecdc. N\u00f3 cung c\u1ea5p nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng m\u1eadt m\u00e3 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n t\u1ea1o hash, m\u00e3 h\u00f3a, gi\u1ea3i m\u00e3, ch\u1eef k\u00fd \u0111i\u1ec7n t\u1eed,\u2026<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Redis: <\/b><span style=\"font-weight: 400;\">Redis l\u00e0 m\u1ed9t kho l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ea5u tr\u00fac trong b\u1ed9 nh\u1edb, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u, cache ho\u1eb7c message broker (trung gian truy\u1ec1n tin).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Node.js CSV:<\/b><span style=\"font-weight: 400;\"> C\u00f3 nhi\u1ec1u th\u01b0 vi\u1ec7n kh\u1ea3 d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch c\u00fa ph\u00e1p v\u00e0 t\u1ea1o c\u00e1c file CSV trong Node.js, ch\u1eb3ng h\u1ea1n csv-parser v\u00e0 fast-csv. C\u00e1c th\u01b0 vi\u1ec7n n\u00e0y cung c\u1ea5p API hi\u1ec7u qu\u1ea3 v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi d\u1eef li\u1ec7u CSV.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Su_khac_biet_giua_Frontend_va_Backend_la_gi\"><\/span><b>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Frontend v\u00e0 Backend l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Backend v\u00e0 Frontend c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng (GUI): <\/b><span style=\"font-weight: 400;\">Cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng theo mong mu\u1ed1n c\u1ee7a h\u1ecd. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi frontend. Trong khi \u0111\u00f3, backend c\u1ee7a m\u1ed9t trang web ho\u1eb7c \u1ee9ng d\u1ee5ng l\u00e0 th\u1ee9 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y tr\u1ef1c ti\u1ebfp. Backend thu th\u1eadp th\u00f4ng tin t\u1eeb ng\u01b0\u1eddi d\u00f9ng, x\u1eed l\u00fd v\u00e0 \u0111i\u1ec1u khi\u1ec3n ch\u1ee9c n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>M\u1ee5c ti\u00eau ph\u00e1t tri\u1ec3n:<\/b><span style=\"font-weight: 400;\"> M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a m\u1ed9t frontend developer l\u00e0 thi\u1ebft k\u1ebf b\u1ed1 c\u1ee5c, giao di\u1ec7n \u0111\u1eb9p m\u1eaft cho ng\u01b0\u1eddi d\u00f9ng. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a m\u1ed9t backend developer l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c giai \u0111o\u1ea1n ch\u1ee9c n\u0103ng, \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>K\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft:<\/b><span style=\"font-weight: 400;\"> Frontend developer c\u1ea7n c\u00f3 hi\u1ec3u bi\u1ebft c\u01a1 b\u1ea3n v\u1ec1 backend \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee9c n\u0103ng. Do \u0111\u00f3, ph\u00e1t tri\u1ec3n frontend kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 v\u1ec1 th\u1ea9m m\u1ef9. Trong khi \u0111\u00f3, ph\u00e1t tri\u1ec3n backend ch\u1ee7 y\u1ebfu li\u00ean quan \u0111\u1ebfn logic, t\u00ednh to\u00e1n, m\u00e1y ch\u1ee7, API v\u00e0 ki\u1ec3m th\u1eed.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1ef1 c\u1ed9ng t\u00e1c: <\/b><span style=\"font-weight: 400;\">S\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c frontend developer v\u00e0 backend developer l\u00e0 r\u1ea5t quan tr\u1ecdng. D\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n gi\u1eefa hai b\u00ean th\u00f4ng qua c\u00e1c \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u c\u1ee5 th\u1ec3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 xem th\u00f4ng tin t\u00f3m t\u1eaft trong b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td><b>Frontend<\/b><\/td>\n<td><b>Backend<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>\u0110\u1ecbnh ngh\u0129a<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Frontend li\u00ean quan \u0111\u1ebfn vi\u1ec7c tri\u1ec3n khai hi\u1ec7u qu\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n tr\u1ef1c quan c\u1ee7a \u1ee9ng d\u1ee5ng web.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Backend li\u00ean quan \u0111\u1ebfn vi\u1ec7c tri\u1ec3n khai hi\u1ec7u qu\u1ea3 c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a \u1ee9ng d\u1ee5ng web bao g\u1ed3m c\u01a1 s\u1edf d\u1eef li\u1ec7u, qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7,\u2026<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>M\u1ee5c ti\u00eau<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c m\u1ecdi ng\u01b0\u1eddi truy c\u1eadp v\u00e0 ph\u1ea3n h\u1ed3i t\u1ed1t tr\u00ean m\u1ecdi n\u1ec1n t\u1ea3ng nh\u01b0 m\u00e1y t\u00ednh b\u00e0n, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 \u0111i\u1ec7n tho\u1ea1i.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng ch\u1ea1y \u0111\u01b0\u1ee3c trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p m\u00e0 kh\u00f4ng g\u1eb7p l\u1ed7i.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Frontend kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp ngo\u1ea1i tr\u1eeb khi th\u1ef1c hi\u1ec7n c\u00e1c trang web t\u0129nh.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n backend ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp v\u1edbi front end v\u00ec backend t\u1eadp trung v\u00e0o logic x\u1eed l\u00fd v\u00e0 d\u1eef li\u1ec7u.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ho\u1ea1t \u0111\u1ed9ng team<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Thi\u1ebft k\u1ebf v\u00e0 ph\u00e1t tri\u1ec3n giao di\u1ec7n c\u1ee7a \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean \u00fd ki\u1ebfn \u200b\u200b\u0111\u00f3ng g\u00f3p c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 ki\u1ec3m tra \u1ee9ng d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 frontend trong vi\u1ec7c li\u00ean k\u1ebft c\u00e1c trang, cung c\u1ea5p b\u1ea3o m\u1eadt v\u00e0 h\u1ed7 tr\u1ee3 cho ng\u01b0\u1eddi d\u00f9ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>K\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft<\/b><\/td>\n<td><span style=\"font-weight: 400;\">HTML, CSS, SASS, <a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\">JavaScript<\/a>,\u2026<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Python, Ruby, Java, PHP,\u2026<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Frameworks<\/b><\/td>\n<td><span style=\"font-weight: 400;\">AngularJS, React, vue.js, v.v.<\/span><\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 c\u00e1c <a href=\"https:\/\/itviec.com\/blog\/front-end-framework-library\/\" target=\"_blank\" rel=\"noopener\"><strong>Framework Front-End<\/strong><\/a> qua b\u00e0i vi\u1ebft do ITviec t\u1ed5ng h\u1ee3p.<\/td>\n<td><span style=\"font-weight: 400;\">Django, Flask, CakePHP, Laravel, Ruby on Rails, v.v.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>K\u1ef9 n\u0103ng b\u1ed5 sung<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Hi\u1ec3u bi\u1ebft t\u1ed1t v\u1ec1 thi\u1ebft k\u1ebf UI v\u00e0 UX.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Suy lu\u1eadn logic v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_Backend_la_gi\"><\/span><b>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Backend l\u00e0 g\u00ec<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>C\u00f4ng vi\u1ec7c c\u1ee7a L\u1eadp tr\u00ecnh vi\u00ean Backend l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">L\u1eadp tr\u00ecnh vi\u00ean Backend, hay Backend Developer, l\u00e0 ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n nh\u1eefng c\u00f4ng vi\u1ec7c &#8220;h\u1eadu tr\u01b0\u1eddng&#8221; cho website, \u0111\u1ea3m b\u1ea3o c\u00e1c trang web ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed7i l\u1eadp tr\u00ecnh vi\u00ean backend bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o, t\u00edch h\u1ee3p v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tri\u1ec3n khai c\u00e1c framework ph\u00eda m\u00e1y ch\u1ee7, l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00e1c t\u00ednh n\u0103ng d\u00e0nh cho kh\u00e1ch h\u00e0ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 c\u00f4ng ngh\u1ec7 m\u00e1y ch\u1ee7 web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00edch h\u1ee3p m\u00e1y ch\u1ee7 v\u1edbi cloud.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00e0nh th\u1ea1o c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u00eda m\u00e1y ch\u1ee7 nh\u01b0 Java.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt ki\u1ebfn th\u1ee9c v\u1ec1 h\u1ec7 \u0111i\u1ec1u h\u00e0nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ph\u00e1t tri\u1ec3n, tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u1ed9i dung v\u00e0 c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u00edch h\u1ee3p API v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n ph\u00eda m\u00e1y ch\u1ee7.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1eadp nh\u1eadt c\u00e0i \u0111\u1eb7t b\u1ea3o m\u1eadt \u0111\u1ec3 ng\u0103n ch\u1eb7n t\u1ea5n c\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ea1o b\u00e1o c\u00e1o v\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sao l\u01b0u file v\u00e0 h\u1ed7 tr\u1ee3 kh\u00f4i ph\u1ee5c.<\/span><\/li>\n<\/ul>\n<h3><b>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o backend tr\u00ean trang web?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 t\u1ea1o backend tr\u00ean m\u1ed9t trang web, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c thu\u1eadt to\u00e1n v\u00e0 c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e1t tri\u1ec3n backend. V\u00ec backend t\u1eadp trung v\u00e0o vi\u1ec7c t\u1ea1o code \u0111\u1ec3 l\u00e0m cho trang web ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng n\u00ean b\u1ea1n s\u1ebd c\u1ea7n ch\u1ecdn ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng: Java, Python, .NET,\u2026<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ch\u1ee9c n\u0103ng: R, F#, SQL,&#8230;<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c khu\u00f4n kh\u1ed5 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u00e0 b\u1ea1n mu\u1ed1n s\u1eed d\u1ee5ng v\u00e0 ch\u1ecdn khu\u00f4n kh\u1ed5, c\u01a1 s\u1edf d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 b\u1ea1n s\u1ebd x\u1eed l\u00fd backend, nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a frontend. \u0110\u1ea3m b\u1ea3o b\u1ea1n n\u1eafm r\u00f5 v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng \u1ee9ng d\u1ee5ng, qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef.\u00a0<\/span><\/p>\n<h3><b>N\u00ean h\u1ecdc backend hay front end tr\u01b0\u1edbc?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u00f9y thu\u1ed9c v\u00e0o s\u1edf th\u00edch v\u00e0 chuy\u00ean m\u00f4n b\u1ea1n mu\u1ed1n theo \u0111u\u1ed5i. N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn kh\u00eda c\u1ea1nh thi\u1ebft k\u1ebf, frontend s\u1ebd r\u1ea5t tuy\u1ec7t. N\u1ebfu b\u1ea1n gi\u1ecfi v\u1ec1 t\u01b0 duy logic, API v\u00e0 qu\u1ea3n l\u00fd m\u00e1y ch\u1ee7, backend s\u1ebd t\u1ed1t h\u01a1n.<\/span><\/p>\n<h3><b>C++ l\u00e0 frontend hay backend?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C++ l\u00e0 ng\u00f4n ng\u1eef \u0111a n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00f4ng vi\u1ec7c backend. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi hi\u1ec7u su\u1ea5t cao nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ea3m bi\u1ebfn di \u0111\u1ed9ng, m\u00f4 ph\u1ecfng th\u1eddi gian th\u1ef1c,\u2026<\/span><\/p>\n<h3><b>Python d\u00e0nh cho frontend hay backend?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Python l\u00e0 ng\u00f4n ng\u1eef ph\u00e1t tri\u1ec3n backend. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p ch\u1ee9c n\u0103ng cho \u1ee9ng d\u1ee5ng. \u0110i\u1ec1u th\u00fa v\u1ecb l\u00e0 c\u00e1c th\u01b0 vi\u1ec7n python nh\u01b0 Streamlit, Tkinter v\u00e0 PyQt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n frontend.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_Backend_la_gi\"><\/span><b>T\u1ed5ng k\u1ebft Backend l\u00e0 g\u00ec<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t trang web c\u00f3 t\u00ednh t\u01b0\u01a1ng t\u00e1c cao, m\u01b0\u1ee3t m\u00e0, ngo\u00e0i frontend, b\u1ea1n c\u00f2n c\u1ea7n \u0111\u1ea7u t\u01b0 \u201cch\u1ea5t x\u00e1m\u201d cho backend &#8211; qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u, ho\u1ea1t \u0111\u1ed9ng t\u1eeb ng\u01b0\u1eddi d\u00f9ng tr\u00ean m\u1ed7i trang web.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">V\u1edbi nh\u1eefng th\u00f4ng tin trong b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 hi\u1ec3u h\u01a1n v\u1ec1 Backend l\u00e0 g\u00ec, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. Ngo\u00e0i ra c\u00f2n c\u00f3 nh\u1eefng th\u00f4ng tin t\u1ed5ng quan v\u1ec1 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh backend, c\u00e1c lo\u1ea1i frameworks v\u00e0 th\u01b0 vi\u1ec7n backend th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Giao di\u1ec7n b\u00e0i vi\u1ebft m\u00e0 b\u1ea1n \u0111ang xem \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi frontend, v\u00e0 vi\u1ec7c b\u1ea1n truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o b\u00e0i vi\u1ebft n\u00e0y l\u00e0 nh\u1edd qu\u00e1 tr\u00ecnh x\u1eed l\u00fd backend. V\u1eady ch\u00ednh x\u00e1c Backend l\u00e0 g\u00ec, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? N\u1ebfu b\u1ea1n \u0111ang c\u00f3 \u00fd \u0111\u1ecbnh tr\u1edf th\u00e0nh backend developer, nh\u1ea5t \u0111\u1ecbnh [&hellip;]<\/p>\n","protected":false},"author":213,"featured_media":76497,"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-76397","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>Backend l\u00e0 g\u00ec: T\u1ed5ng h\u1ee3p c\u00e1c ki\u1ebfn th\u1ee9c c\u1ea7n bi\u1ebft v\u1ec1 Backend - ITviec Blog<\/title>\n<meta name=\"description\" content=\"Giao di\u1ec7n website m\u00e0 b\u1ea1n th\u1ea5y \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi frontend, v\u00e0 vi\u1ec7c b\u1ea1n truy c\u1eadp \u0111\u01b0\u1ee3c v\u00e0o website \u0111\u00f3 l\u00e0 nh\u1edd backend. 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