{"id":477257,"date":"2023-08-09T09:09:43","date_gmt":"2023-08-09T09:09:43","guid":{"rendered":""},"modified":"2023-09-05T11:14:23","modified_gmt":"2023-09-05T11:14:23","slug":"flask","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/flask\/","title":{"rendered":"B\u00ecnh gi\u1eef nhi\u1ec7t"},"content":{"rendered":"<p>Flask l\u00e0 m\u1ed9t khung web vi m\u00f4 \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng Python. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 m\u1ed9t khung \u201cvi m\u00f4\u201d v\u00ec n\u00f3 kh\u00f4ng bao g\u1ed3m m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng nh\u1ea5t \u0111\u1ecbnh th\u01b0\u1eddng th\u1ea5y trong c\u00e1c khung web ch\u00ednh th\u1ee9c, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu ho\u1eb7c tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u. Thay v\u00e0o \u0111\u00f3, Flask cung c\u1ea5p c\u00e1c c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t trang web trong khi v\u1eabn nh\u1eb9 v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao, v\u1edbi kh\u1ea3 n\u0103ng b\u1ed5 sung c\u00e1c t\u00ednh n\u0103ng c\u00f2n thi\u1ebfu n\u00e0y th\u00f4ng qua c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng khi c\u1ea7n thi\u1ebft.<\/p>\n<h2>Ngu\u1ed3n g\u1ed1c v\u00e0 l\u1ecbch s\u1eed c\u1ee7a b\u00ecnh<\/h2>\n<p>Flask \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi Armin Ronacher, m\u1ed9t th\u00e0nh vi\u00ean t\u00edch c\u1ef1c c\u1ee7a nh\u00f3m Pocoo, m\u1ed9t nh\u00f3m nh\u1eefng ng\u01b0\u1eddi \u0111am m\u00ea Python qu\u1ed1c t\u1ebf. Phi\u00ean b\u1ea3n c\u00f4ng khai \u0111\u1ea7u ti\u00ean c\u1ee7a Flask \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh v\u00e0o ng\u00e0y 1 th\u00e1ng 4 n\u0103m 2010. D\u1ef1 \u00e1n ban \u0111\u1ea7u l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a tr\u00f2 \u0111\u00f9a ng\u00e0y C\u00e1 th\u00e1ng T\u01b0, sau \u0111\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t d\u1ef1 \u00e1n nghi\u00eam t\u00fac v\u00e0 n\u1ed5i ti\u1ebfng.<\/p>\n<p>N\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa h\u1ec7 th\u1ed1ng \u0111\u1ecbnh tuy\u1ebfn \u0111\u01a1n gi\u1ea3n t\u1eeb Werkzeug v\u00e0 c\u00f4ng c\u1ee5 t\u1ea1o m\u1eabu t\u1eeb Jinja2. Hai th\u00e0nh ph\u1ea7n n\u00e0y c\u0169ng l\u00e0 d\u1ef1 \u00e1n Pocoo. Trong nh\u1eefng n\u0103m qua, Flask \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 \u1ee7ng h\u1ed9 m\u1ea1nh m\u1ebd trong c\u1ed9ng \u0111\u1ed3ng ph\u00e1t tri\u1ec3n web nh\u1edd t\u00ednh \u0111\u01a1n gi\u1ea3n, linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t chi ti\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng.<\/p>\n<h2>Kh\u00e1m ph\u00e1 b\u00ecnh \u1edf \u0111\u1ed9 s\u00e2u<\/h2>\n<p>Flask d\u1ef1a tr\u00ean b\u1ed9 c\u00f4ng c\u1ee5 WSGI (Giao di\u1ec7n c\u1ed5ng m\u00e1y ch\u1ee7 web) v\u00e0 c\u00f4ng c\u1ee5 m\u1eabu Jinja2, c\u1ea3 hai \u0111\u1ec1u l\u00e0 th\u01b0 vi\u1ec7n Python. WSGI l\u00e0 ti\u00eau chu\u1ea9n \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web Python. Jinja2 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u1ea1o m\u1eabu cho Python, c\u00f3 ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c t\u00e0i li\u1ec7u HTML ho\u1eb7c XML ph\u1ee9c t\u1ea1p theo ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n<p>Flask \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 b\u1eaft \u0111\u1ea7u nhanh ch\u00f3ng, nh\u01b0ng n\u00f3 c\u0169ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c \u1ee9ng d\u1ee5ng web l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p. Ti\u1ec1n t\u1ed1 vi m\u00f4 c\u1ee7a n\u00f3 c\u00f3 ngh\u0129a l\u00e0 n\u00f3 nh\u1eb1m m\u1ee5c \u0111\u00edch gi\u1eef cho ph\u1ea7n l\u00f5i \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng.<\/p>\n<p>Flask kh\u00f4ng c\u00f3 c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u1eb7c \u0111\u1ecbnh, x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu ho\u1eb7c b\u1ea5t k\u1ef3 th\u1ee9 g\u00ec m\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p. Thay v\u00e0o \u0111\u00f3, n\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng \u0111\u1ec3 th\u00eam ch\u1ee9c n\u0103ng \u0111\u00f3 v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n nh\u01b0 th\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c tri\u1ec3n khai trong ch\u00ednh Flask. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y khi\u1ebfn Flask tr\u1edf th\u00e0nh s\u1ef1 l\u1ef1a ch\u1ecdn linh ho\u1ea1t cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00ec h\u1ecd c\u00f3 th\u1ec3 ch\u1ecdn c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 th\u01b0 vi\u1ec7n m\u00e0 h\u1ecd th\u00edch s\u1eed d\u1ee5ng.<\/p>\n<h2>C\u1ea5u tr\u00fac b\u00ean trong v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a Flask<\/h2>\n<p>V\u1ec1 c\u1ed1t l\u00f5i, Flask l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p \u0111\u01a1n gi\u1ea3n gi\u1eefa Werkzeug v\u00e0 Jinja2. Werkzeug l\u00e0 th\u01b0 vi\u1ec7n ti\u1ec7n \u00edch WSGI d\u00e0nh cho Python, Flask s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c h\u00e0m c\u1ea5p th\u1ea5p h\u01a1n nh\u01b0 \u0111\u1ed1i t\u01b0\u1ee3ng y\u00eau c\u1ea7u v\u00e0 ph\u1ea3n h\u1ed3i, \u0111\u1ecbnh tuy\u1ebfn URL v\u00e0 c\u00e1c ti\u1ec7n \u00edch HTTP. M\u1eb7t kh\u00e1c, Jinja2 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u1ea1o khu\u00f4n m\u1eabu cho Python m\u00e0 Flask s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb c\u00e1c khung nh\u00ecn.<\/p>\n<p>Trong m\u1ed9t \u1ee9ng d\u1ee5ng Flask th\u00f4ng th\u01b0\u1eddng, lu\u1ed3ng b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c m\u1ed9t \u1ee9ng d\u1ee5ng kh\u00e1ch (nh\u01b0 tr\u00ecnh duy\u1ec7t web) g\u1eedi y\u00eau c\u1ea7u \u0111\u1ebfn m\u00e1y ch\u1ee7 n\u01a1i \u1ee9ng d\u1ee5ng Flask \u0111ang ch\u1ea1y. Sau \u0111\u00f3, \u1ee9ng d\u1ee5ng s\u1ebd x\u1eed l\u00fd y\u00eau c\u1ea7u v\u00e0 tr\u1ea3 v\u1ec1 ph\u1ea3n h\u1ed3i cho kh\u00e1ch h\u00e0ng. \u1ee8ng d\u1ee5ng Flask s\u1eed d\u1ee5ng \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh logic n\u00e0o s\u1ebd th\u1ef1c thi d\u1ef1a tr\u00ean URL c\u1ee7a y\u00eau c\u1ea7u v\u00e0 logic n\u00e0y k\u1ebft th\u00fac b\u1eb1ng ph\u1ea3n h\u1ed3i \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a B\u00ecnh<\/h2>\n<ol>\n<li>\n<p><strong>S\u1ef1 \u0111\u01a1n gi\u1ea3n:<\/strong> B\u00ecnh r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. \u0110\u00f3 l\u00e0 m\u1ed9t khu\u00f4n kh\u1ed5 \u0111\u01a1n gi\u1ea3n, kh\u00f4ng r\u01b0\u1eddm r\u00e0, ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n, cho ph\u00e9p b\u1ea1n t\u1eadp trung v\u00e0o vi\u1ec7c x\u00e2y d\u1ef1ng \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>Uy\u1ec3n chuy\u1ec3n:<\/strong> M\u1eb7c d\u00f9 Flask c\u00f3 r\u1ea5t \u00edt t\u00ednh n\u0103ng s\u1eb5n c\u00f3 nh\u01b0ng n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cao. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 th\u00eam v\u00e0o kh\u00e1 nhi\u1ec1u ch\u1ee9c n\u0103ng m\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n c\u1ea7n, t\u1eeb x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu \u0111\u1ebfn t\u1ea3i h\u00ecnh \u1ea3nh l\u00ean.<\/p>\n<\/li>\n<li>\n<p><strong>Ki\u1ec3m so\u00e1t chi ti\u1ebft:<\/strong> Flask \u0111\u1ec3 b\u1ea1n t\u1ef1 quy\u1ebft \u0111\u1ecbnh vi\u1ec7c t\u1ed5 ch\u1ee9c \u1ee9ng d\u1ee5ng, ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 c\u1ea5u tr\u00fac \u1ee9ng d\u1ee5ng Flask theo c\u00e1ch ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi d\u1ef1 \u00e1n c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh.<\/p>\n<\/li>\n<li>\n<p><strong>X\u1eed l\u00fd y\u00eau c\u1ea7u HTTP:<\/strong> Flask cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u HTTP. N\u00f3 cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ee9c n\u0103ng s\u1ebd ch\u1ea1y khi m\u1ed9t y\u00eau c\u1ea7u HTTP c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110\u1ecbnh tuy\u1ebfn URL:<\/strong> Flask cho ph\u00e9p b\u1ea1n \u00e1nh x\u1ea1 URL t\u1edbi c\u00e1c h\u00e0m Python, c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c URL \u0111\u1eb9p cho trang web c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.<\/p>\n<\/li>\n<li>\n<p><strong>C\u00f4ng c\u1ee5 t\u1ea1o m\u1eabu:<\/strong> Flask s\u1eed d\u1ee5ng Jinja2 cho c\u00f4ng c\u1ee5 t\u1ea1o m\u1eabu c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o HTML, XML ho\u1eb7c c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u0111\u00e1nh d\u1ea5u kh\u00e1c m\u00e0 tr\u00ecnh duy\u1ec7t c\u1ee7a ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb.<\/p>\n<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i \u1ee9ng d\u1ee5ng b\u00ecnh<\/h2>\n<p>Kh\u00f4ng c\u00f3 \u201clo\u1ea1i\u201d Flask ri\u00eang bi\u1ec7t n\u00e0o gi\u1ed1ng nh\u01b0 c\u00e1c lo\u1ea1i \u00f4 t\u00f4 ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i kh\u00e1c nhau. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 ph\u00e2n lo\u1ea1i c\u00e1c \u1ee9ng d\u1ee5ng Flask d\u1ef1a tr\u00ean m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p v\u00e0 c\u00e1c t\u00ednh n\u0103ng c\u1ee5 th\u1ec3 m\u00e0 ch\u00fang c\u00f3 th\u1ec3 bao g\u1ed3m. \u0110\u00e2y l\u00e0 m\u1ed9t s\u1ef1 c\u1ed1 c\u01a1 b\u1ea3n:<\/p>\n<ul>\n<li><strong>\u1ee8ng d\u1ee5ng quy m\u00f4 nh\u1ecf:<\/strong> \u0110\u00e2y c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng trang web \u0111\u01a1n gi\u1ea3n v\u1edbi m\u1ed9t v\u00e0i tuy\u1ebfn \u0111\u01b0\u1eddng ho\u1eb7c nguy\u00ean m\u1eabu cho c\u00e1c d\u1ef1 \u00e1n l\u1edbn h\u01a1n.<\/li>\n<li><strong>API RESTful:<\/strong> Flask th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c API RESTful, giao di\u1ec7n \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi d\u1ecbch v\u1ee5 web \u1edf \u0111\u1ecbnh d\u1ea1ng c\u1ee5 th\u1ec3 (th\u01b0\u1eddng l\u00e0 JSON).<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng web quy m\u00f4 trung b\u00ecnh:<\/strong> Ch\u00fang c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng nh\u01b0 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng, x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu v\u00e0 t\u01b0\u01a1ng t\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng web quy m\u00f4 l\u1edbn:<\/strong> Ngo\u00e0i nh\u1eefng t\u00ednh n\u0103ng tr\u00ean, c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng ph\u1ee9c t\u1ea1p h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u1eed l\u00fd h\u00ecnh \u1ea3nh ho\u1eb7c nh\u1eafn tin theo th\u1eddi gian th\u1ef1c.<\/li>\n<\/ul>\n<h2>C\u00e1ch s\u1eed d\u1ee5ng b\u00ecnh, v\u1ea5n \u0111\u1ec1 v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p>Flask r\u1ea5t linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nhi\u1ec1u t\u00e1c v\u1ee5 ph\u00e1t tri\u1ec3n web kh\u00e1c nhau, t\u1eeb t\u1ea1o c\u00e1c trang web t\u0129nh \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web ho\u1eb7c API ph\u1ee9c t\u1ea1p, d\u1ef1a tr\u00ean d\u1eef li\u1ec7u.<\/p>\n<p>Tuy nhi\u00ean, s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 linh ho\u1ea1t c\u1ee7a Flask c\u00f3 th\u1ec3 l\u00e0 con dao hai l\u01b0\u1ee1i. N\u00f3 \u0111\u1ec3 l\u1ea1i nhi\u1ec1u l\u1ef1a ch\u1ecdn v\u00e0 chi ti\u1ebft tri\u1ec3n khai cho nh\u00e0 ph\u00e1t tri\u1ec3n. T\u00ednh linh ho\u1ea1t n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 n\u1ebfu nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00f4ng quen v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 b\u1ea3o m\u1eadt web, d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt c\u00f3 th\u1ec3 x\u1ea3y ra.<\/p>\n<p>Gi\u1ea3i ph\u00e1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y th\u01b0\u1eddng \u1edf d\u1ea1ng ti\u1ec7n \u00edch m\u1edf r\u1ed9ng v\u00e0 plugin. B\u1ea3n ch\u1ea5t c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng c\u1ee7a Flask c\u00f3 ngh\u0129a l\u00e0 c\u00f3 s\u1eb5n r\u1ea5t nhi\u1ec1u th\u01b0 vi\u1ec7n c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u1eafm v\u00e0o \u0111\u1ec3 th\u00eam ch\u1ee9c n\u0103ng. V\u00ed d\u1ee5: Flask-SQLAlchemy cung c\u1ea5p kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ed3ng th\u1eddi Flask-WTF h\u1ed7 tr\u1ee3 x\u00e1c th\u1ef1c bi\u1ec3u m\u1eabu v\u00e0 b\u1ea3o v\u1ec7 CSRF.<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c khung t\u01b0\u01a1ng t\u1ef1<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c tr\u01b0ng<\/th>\n<th>B\u00ecnh gi\u1eef nhi\u1ec7t<\/th>\n<th>Django<\/th>\n<th>Express.js<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ng\u00f4n ng\u1eef<\/td>\n<td>Python<\/td>\n<td>Python<\/td>\n<td>JavaScript<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng c\u1ee5 m\u1eabu<\/td>\n<td>Jinja2<\/td>\n<td>Django<\/td>\n<td>EJS, Pug<\/td>\n<\/tr>\n<tr>\n<td>ORM<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<td>\u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c th\u1ef1c m\u1eabu<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<td>\u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Giao di\u1ec7n qu\u1ea3n tr\u1ecb<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<td>\u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>X\u00e1c th\u1ef1c<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<td>\u0110\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong<\/td>\n<td>S\u1ef1 m\u1edf r\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nh\u01b0 b\u1ea3ng g\u1ee3i \u00fd, b\u1ea3n ch\u1ea5t &#039;vi m\u00f4&#039; c\u1ee7a Flask ng\u1ee5 \u00fd r\u1eb1ng n\u00f3 c\u00f3 \u00edt t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi Django, m\u1ed9t framework ho\u00e0n ch\u1ec9nh. Tuy nhi\u00ean, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng v\u1edbi nhi\u1ec1u plugin kh\u00e1c nhau t\u00f9y theo y\u00eau c\u1ea7u.<\/p>\n<h2>Quan \u0111i\u1ec3m t\u01b0\u01a1ng lai c\u1ee7a Flask<\/h2>\n<p>Flask, v\u1edbi t\u01b0 c\u00e1ch l\u00e0 m\u1ed9t framework, \u0111ang ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n ph\u1ed5 bi\u1ebfn nh\u1edd t\u00ednh \u0111\u01a1n gi\u1ea3n, linh ho\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a n\u00f3. Khi ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n n\u1eafm b\u1eaft ki\u1ebfn tr\u00fac microservices, Flask \u0111\u00f3ng vai tr\u00f2 to l\u1edbn trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 v\u1eady, \u0111\u1eb7c bi\u1ec7t l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi Docker v\u00e0 Kubernetes.<\/p>\n<p>Ngo\u00e0i ra, khi Python ti\u1ebfp t\u1ee5c tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong l\u0129nh v\u1ef1c khoa h\u1ecdc d\u1eef li\u1ec7u v\u00e0 h\u1ecdc m\u00e1y, Flask cung c\u1ea5p m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 t\u1ea1o API cho c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc m\u00e1y, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho t\u01b0\u01a1ng lai g\u1ea7n.<\/p>\n<h2>M\u00e1y ch\u1ee7 proxy v\u00e0 b\u00ecnh<\/h2>\n<p>M\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng Flask. V\u00ed d\u1ee5: n\u1ebfu b\u1ea1n mu\u1ed1n \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a \u1ee9ng d\u1ee5ng Flask qua m\u1ed9t v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y ch\u1ee7 proxy. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 h\u1eefu \u00edch trong vi\u1ec7c ki\u1ec3m tra c\u00e1ch \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n ph\u1ea3n h\u1ed3i c\u00e1c y\u00eau c\u1ea7u t\u1eeb c\u00e1c n\u01a1i kh\u00e1c nhau tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n<p>H\u01a1n n\u1eefa, m\u00e1y ch\u1ee7 proxy c\u00f3 th\u1ec3 th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt b\u1ed5 sung cho c\u00e1c \u1ee9ng d\u1ee5ng Flask c\u1ee7a b\u1ea1n. Ch\u00fang c\u00f3 th\u1ec3 \u1ea9n danh t\u00ednh m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, khi\u1ebfn k\u1ebb t\u1ea5n c\u00f4ng kh\u00f3 nh\u1eafm m\u1ee5c ti\u00eau tr\u1ef1c ti\u1ebfp v\u00e0o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n h\u01a1n. M\u00e1y ch\u1ee7 proxy c\u0169ng c\u00f3 th\u1ec3 gi\u00fap c\u00e2n b\u1eb1ng t\u1ea3i, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch ph\u00e2n ph\u1ed1i l\u01b0u l\u01b0\u1ee3ng gi\u1eefa nhi\u1ec1u m\u00e1y ch\u1ee7.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ol>\n<li><a href=\"https:\/\/flask.palletsprojects.com\/\" target=\"_new\" rel=\"noopener nofollow\">T\u00e0i li\u1ec7u ch\u00ednh th\u1ee9c c\u1ee7a Flask<\/a><\/li>\n<li><a href=\"http:\/\/flask.pocoo.org\/extensions\/\" target=\"_new\" rel=\"noopener nofollow\">Ph\u1ea7n m\u1edf r\u1ed9ng b\u00ecnh<\/a><\/li>\n<li><a href=\"https:\/\/realpython.com\/tutorials\/flask\/\" target=\"_new\" rel=\"noopener nofollow\">H\u01b0\u1edbng d\u1eabn ph\u00e1t tri\u1ec3n web Flask b\u1eb1ng Python<\/a><\/li>\n<li><a href=\"https:\/\/blog.miguelgrinberg.com\/post\/the-flask-mega-tutorial-part-i-hello-world\" target=\"_new\" rel=\"noopener nofollow\">Flask Mega-Tutorial c\u1ee7a Miguel Grinberg<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468419,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477257","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Flask: A Lightweight Framework for Web Development<\/mark>","faq_items":[{"question":"What is Flask?","answer":"<p>Flask is a micro web framework written in Python. It's often described as a \"micro\" framework because it doesn't include certain features commonly found in full-fledged web frameworks, such as form validation or database abstraction. However, Flask provides the basic structures required to build a website and is highly extensible.<\/p>"},{"question":"Who is the creator of Flask?","answer":"<p>Flask was created by Armin Ronacher, an active member of the Pocoo team, a group of international Python enthusiasts.<\/p>"},{"question":"What is Flask used for?","answer":"<p>Flask can be used for various web development tasks ranging from creating simple static websites to building complex, data-driven web applications or APIs.<\/p>"},{"question":"What are the key features of Flask?","answer":"<p>Some key features of Flask include its simplicity, flexibility, fine-grained control, HTTP request handling, URL routing, and Jinja2 template engine.<\/p>"},{"question":"How does Flask work?","answer":"<p>In a typical Flask application, the flow starts with a client sending a request to the server where the Flask application is running. The application then processes the request and returns a response back to the client. Flask uses routing to determine what logic to execute based on the URL of the request.<\/p>"},{"question":"How do proxy servers interact with Flask?","answer":"<p>Proxy servers can add an additional layer of security to your Flask applications. They can hide the identity of your server, making it harder for attackers to target your application directly. Proxy servers can also help in load balancing, improving your application's performance by distributing the traffic among multiple servers.<\/p>"},{"question":"What is the future of Flask?","answer":"<p>Flask, as a framework, is continuing to grow in popularity due to its simplicity, flexibility, and scalability. It is especially relevant in the development of microservices and providing APIs for machine learning models.<\/p>"},{"question":"How does Flask compare to other similar frameworks?","answer":"<p>While Flask comes with fewer features out of the box compared to Django, a full-fledged framework, it is more lightweight and can be extended with various plugins as per the requirements. On the other hand, Express.js, a JavaScript web framework, is more comparable to Flask in terms of flexibility and extensibility.<\/p>"},{"question":"Where can I learn more about Flask?","answer":"<p>You can learn more about Flask from the <a href=\"https:\/\/flask.palletsprojects.com\/\" target=\"_new\">official Flask documentation<\/a> and various tutorials such as <a href=\"https:\/\/realpython.com\/tutorials\/flask\/\" target=\"_new\">Flask Web Development with Python Tutorial<\/a> and <a href=\"https:\/\/blog.miguelgrinberg.com\/post\/the-flask-mega-tutorial-part-i-hello-world\" target=\"_new\">Flask Mega-Tutorial by Miguel Grinberg<\/a>.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/477257\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/468419"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=477257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}