{"id":921840,"date":"2024-02-13T00:52:17","date_gmt":"2024-02-13T00:52:17","guid":{"rendered":"https:\/\/proxyelite.info\/?p=921840"},"modified":"2024-02-12T00:59:54","modified_gmt":"2024-02-12T00:59:54","slug":"how-to-make-http-requests-in-node-js-with-fetch-api","status":"publish","type":"post","link":"https:\/\/proxyelite.info\/vi\/how-to-make-http-requests-in-node-js-with-fetch-api\/","title":{"rendered":"C\u00e1ch th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP trong Node.js b\u1eb1ng API t\u00ecm n\u1ea1p"},"content":{"rendered":"

Trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, Node.js \u0111\u00e3 ki\u00ean \u0111\u1ecbnh kh\u1eb3ng \u0111\u1ecbnh m\u00ecnh l\u00e0 m\u1ed9t th\u1ebf l\u1ef1c b\u1ea5t khu\u1ea5t. V\u1edbi kh\u1ea3 n\u0103ng m\u1ea1nh m\u1ebd ph\u00eda m\u00e1y ch\u1ee7, Node.js \u0111\u01b0\u1ee3c coi l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng web kh\u00f4ng ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng m\u00e0 c\u00f2n c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3. Trong b\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c bi\u00ean so\u1ea1n t\u1ec9 m\u1ec9 n\u00e0y, ch\u00fang t\u00f4i b\u1eaft \u0111\u1ea7u m\u1ed9t cu\u1ed9c h\u00e0nh tr\u00ecnh s\u00e2u s\u1eafc v\u00e0o m\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a Node.js \u2013 API t\u00ecm n\u1ea1p. Nhi\u1ec7m v\u1ee5 c\u1ee7a ch\u00fang t\u00f4i l\u00e0 l\u00e0m s\u00e1ng t\u1ecf s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a n\u00f3, kh\u00e1m ph\u00e1 v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 v\u00e0 minh h\u1ecda c\u00e1ch n\u00f3 c\u00f3 th\u1ec3 bi\u1ebfn \u0111\u1ed5i c\u0103n b\u1ea3n c\u00e1ch ti\u1ebfp c\u1eadn c\u1ee7a b\u1ea1n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP trong h\u1ec7 sinh th\u00e1i Node.js. Cho d\u00f9 b\u1ea1n l\u00e0 m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n gi\u00e0u kinh nghi\u1ec7m v\u1edbi nhi\u1ec1u ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u1ec1 m\u00e3 h\u00f3a hay m\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u cu\u1ed9c phi\u00eau l\u01b0u l\u1eadp tr\u00ecnh c\u1ee7a m\u00ecnh th\u00ec vi\u1ec7c n\u1eafm b\u1eaft c\u00e1c s\u1eafc th\u00e1i c\u1ee7a API T\u00ecm n\u1ea1p l\u00e0 m\u1ed9t b\u01b0\u1edbc b\u1eaft bu\u1ed9c \u0111\u1ec3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng web linh ho\u1ea1t v\u00e0 ph\u1ea3n h\u1ed3i nhanh.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

API t\u00ecm n\u1ea1p l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n

Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o ph\u1ea7n th\u1ea3o lu\u1eadn c\u1ee7a m\u00ecnh, h\u00e3y l\u00e0m s\u00e1ng t\u1ecf b\u1ea3n ch\u1ea5t c\u1ee7a API t\u00ecm n\u1ea1p. Ch\u00ednh x\u00e1c th\u00ec \u0111i\u1ec1u k\u1ef3 di\u1ec7u v\u1ec1 c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t ng\u00f4i sao s\u00e1ng trong nh\u00f3m ph\u00e1t tri\u1ec3n Node.js, nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u gi\u1ea3i th\u01b0\u1edfng kh\u00f4ng ch\u1ec9 trong c\u1ed9ng \u0111\u1ed3ng Node.js m\u00e0 c\u00f2n t\u1ea1o \u0111\u01b0\u1ee3c ti\u1ebfng vang v\u01b0\u1ee3t xa ranh gi\u1edbi c\u1ee7a n\u00f3?<\/p>\n\n\n\n

T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p trong Node.js?<\/strong><\/h3>\n\n\n\n

H\u00e0nh tr\u00ecnh c\u1ee7a ch\u00fang t\u00f4i qua l\u1ecbch s\u1eed c\u1ee7a Node.js v\u00e0 API t\u00ecm n\u1ea1p b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c kh\u00e1m ph\u00e1 l\u00fd do thuy\u1ebft ph\u1ee5c \u0111\u1eb1ng sau vi\u1ec7c \u00e1p d\u1ee5ng n\u00f3. Ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o nh\u1eefng l\u00fd do thuy\u1ebft ph\u1ee5c k\u00eau g\u1ecdi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p trong c\u00e1c d\u1ef1 \u00e1n Node.js c\u1ee7a h\u1ecd. T\u1eeb s\u1ef1 \u0111\u01a1n gi\u1ea3n b\u1ea9m sinh \u0111\u1ebfn t\u00ednh linh ho\u1ea1t \u0111\u1eb7c bi\u1ec7t c\u1ee7a n\u00f3, ch\u00fang ta s\u1ebd l\u00e0m s\u00e1ng t\u1ecf c\u00e1ch API \u0111\u00e1ng ch\u00fa \u00fd n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a v\u00e0 h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP ph\u1ee9c t\u1ea1p.<\/p>\n\n\n\n

Thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng Node.js c\u1ee7a b\u1ea1n<\/strong><\/h2>\n\n\n\n

\u0110\u1ec3 khai th\u00e1c to\u00e0n b\u1ed9 ti\u1ec1m n\u0103ng c\u1ee7a API T\u00ecm n\u1ea1p, b\u1ea1n ph\u1ea3i ch\u00fa \u00fd t\u1ec9 m\u1ec9 \u0111\u1ebfn vi\u1ec7c \u0111\u1ecbnh c\u1ea5u h\u00ecnh ch\u00ednh x\u00e1c m\u00f4i tr\u01b0\u1eddng Node.js c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n

C\u00e0i \u0111\u1eb7t Node.js<\/strong><\/h3>\n\n\n\n

Chuy\u1ebfn th\u00e1m hi\u1ec3m c\u1ee7a ch\u00fang t\u00f4i b\u1eaft \u0111\u1ea7u v\u1edbi nhi\u1ec7m v\u1ee5 quan tr\u1ecdng l\u00e0 c\u00e0i \u0111\u1eb7t Node.js v\u00e0o thi\u1ebft b\u1ecb m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i s\u1ebd l\u00e0 ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n khi ch\u00fang t\u00f4i \u0111i\u1ec1u h\u01b0\u1edbng qua c\u00e1c con \u0111\u01b0\u1eddng m\u00ea cung c\u1ee7a qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t Node.js, \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n s\u1ebd xu\u1ea5t hi\u1ec7n \u1edf ph\u00eda b\u00ean kia \u0111\u01b0\u1ee3c trang b\u1ecb phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t v\u00e0 ti\u00ean ti\u1ebfn nh\u1ea5t, s\u1eb5n s\u00e0ng khai th\u00e1c to\u00e0n b\u1ed9 c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao c\u1ee7a n\u00f3.<\/p>\n\n\n\n

Thi\u1ebft l\u1eadp d\u1ef1 \u00e1n Node.js<\/strong><\/h3>\n\n\n\n

V\u1edbi vi\u1ec7c c\u00e0i \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh Node.js, nhi\u1ec7m v\u1ee5 c\u1ee7a ch\u00fang ta l\u00e0 t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng d\u1ef1 \u00e1n nguy\u00ean s\u01a1. Trong c\u00e1c khu v\u1ef1c \u1ea3o n\u00e0y, ch\u00fang t\u00f4i s\u1ebd ti\u1ebft l\u1ed9 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t chi ph\u1ed1i ngh\u1ec7 thu\u1eadt c\u1ea5u tr\u00fac d\u1ef1 \u00e1n Node.js c\u1ee7a b\u1ea1n. Khi l\u00e0m nh\u01b0 v\u1eady, ch\u00fang t\u00f4i s\u1ebd \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho m\u1ed9t m\u00f4i tr\u01b0\u1eddng kh\u00f4ng ch\u1ec9 c\u00f3 l\u1ee3i cho s\u1ef1 ph\u00e1t tri\u1ec3n hi\u1ec7u qu\u1ea3 m\u00e0 c\u00f2n c\u00f3 n\u1ec1n t\u1ea3ng t\u1ed1i \u01b0u \u0111\u1ec3 x\u1eed l\u00fd li\u1ec1n m\u1ea1ch c\u00e1c y\u00eau c\u1ea7u HTTP.<\/p>\n\n\n\n

Hi\u1ec3u c\u00e1c y\u00eau c\u1ea7u HTTP<\/strong><\/h2>\n\n\n\n

Trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web, vi\u1ec7c hi\u1ec3u c\u00e1c y\u00eau c\u1ea7u HTTP \u0111\u00f3ng vai tr\u00f2 l\u00e0 tr\u1ee5 c\u1ed9t t\u1ed1i quan tr\u1ecdng. Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 x\u01b0\u01a1ng s\u1ed1ng cho vi\u1ec7c trao \u0111\u1ed5i d\u1eef li\u1ec7u gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7 tr\u00ean ph\u1ea1m vi r\u1ed9ng l\u1edbn c\u1ee7a World Wide Web. Trong ph\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u kh\u00e1m ph\u00e1 to\u00e0n di\u1ec7n c\u00e1c y\u1ebfu t\u1ed1 then ch\u1ed1t c\u1ea5u th\u00e0nh c\u00e1c y\u00eau c\u1ea7u HTTP, bao g\u1ed3m t\u00ecm n\u1ea1p nodejs, v\u00ed d\u1ee5 t\u00ecm n\u1ea1p node js v\u00e0 api t\u00ecm n\u1ea1p n\u00fat. H\u00e0nh tr\u00ecnh n\u00e0y s\u1ebd bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c HTTP, ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u v\u00e0 n\u1ed9i dung y\u00eau c\u1ea7u, t\u1eeb \u0111\u00f3 trang b\u1ecb cho b\u1ea1n s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 kh\u00eda c\u1ea1nh thi\u1ebft y\u1ebfu n\u00e0y c\u1ee7a ph\u00e1t tri\u1ec3n web.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng th\u1ee9c HTTP<\/strong><\/h3>\n\n\n\n

Tr\u1ecdng t\u00e2m c\u1ee7a c\u00e1c y\u00eau c\u1ea7u HTTP l\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c HTTP, c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9ng t\u1eeb HTTP. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng b\u1ea3n ch\u1ea5t v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee7a m\u1ed9t y\u00eau c\u1ea7u, \u0111\u01b0a ra l\u1ed9 tr\u00ecnh ch\u00ednh x\u00e1c cho ti\u1ebfn tr\u00ecnh h\u00e0nh \u0111\u1ed9ng mong mu\u1ed1n s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi m\u1ed9t ngu\u1ed3n l\u1ef1c c\u1ee5 th\u1ec3. Vi\u1ec7c l\u00e0m quen v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c HTTP n\u00e0y, bao g\u1ed3m GET, POST, PUT, DELETE \u0111\u00e1ng k\u00ednh v\u00e0 m\u1ed9t lo\u1ea1t c\u00e1c ph\u01b0\u01a1ng th\u1ee9c kh\u00e1c, l\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 thi\u1ebfu. S\u1ef1 hi\u1ec3u bi\u1ebft n\u00e0y s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u00e1nh s\u00e1ng d\u1eabn \u0111\u01b0\u1eddng cho b\u1ea1n trong vi\u1ec7c nh\u1eadn ra th\u1eddi \u0111i\u1ec3m v\u00e0 c\u00e1ch th\u1ee9c s\u1eed d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 trong n\u1ed7 l\u1ef1c ph\u00e1t tri\u1ec3n web c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

Ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u<\/strong><\/h3>\n\n\n\n

K\u1ebft c\u1ea5u ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c y\u00eau c\u1ea7u HTTP l\u00e0 c\u00e1c ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u, \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng m\u1ed9t c\u00e1ch ngh\u1ec7 thu\u1eadt d\u01b0\u1edbi d\u1ea1ng c\u1eb7p kh\u00f3a-gi\u00e1 tr\u1ecb. C\u00e1c ti\u00eau \u0111\u1ec1 n\u00e0y \u0111\u01b0\u1ee3c g\u1eedi \u0111i trong m\u1ed9t y\u00eau c\u1ea7u HTTP v\u1edbi m\u1ee5c \u0111\u00edch r\u00f5 r\u00e0ng l\u00e0 truy\u1ec1n \u0111\u1ea1t th\u00f4ng tin b\u1ed5 sung. Ch\u00fang l\u00e0m s\u00e1ng t\u1ecf c\u00e1c chi ti\u1ebft quan tr\u1ecdng, t\u1eeb lo\u1ea1i n\u1ed9i dung \u01b0a th\u00edch c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 m\u00e3 th\u00f4ng b\u00e1o x\u00e1c th\u1ef1c cho \u0111\u1ebfn ch\u1ec9 th\u1ecb b\u1ed9 nh\u1edb \u0111\u1ec7m. Vi\u1ec7c \u0111\u1ecbnh c\u1ea5u h\u00ecnh ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u h\u1ebft s\u1ee9c quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y ch\u1ee7 x\u1eed l\u00fd y\u00eau c\u1ea7u v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n\n\n\n

N\u1ed9i dung y\u00eau c\u1ea7u<\/strong><\/h3>\n\n\n\n

Trong l\u0129nh v\u1ef1c y\u00eau c\u1ea7u HTTP, ph\u1ea7n th\u00e2n y\u00eau c\u1ea7u \u0111\u1ea3m nh\u1eadn m\u1ed9t vai tr\u00f2 c\u00f3 \u00fd ngh\u0129a kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn. \u0110\u00e2y l\u00e0 n\u01a1i d\u1eef li\u1ec7u t\u00ecm th\u1ea5y \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 truy\u1ec1n t\u1eeb m\u00e1y kh\u00e1ch \u0111\u1ebfn m\u00e1y ch\u1ee7, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u00f3i g\u1ecdn trong c\u00e1c \u0111\u1ecbnh d\u1ea1ng nh\u01b0 JSON ho\u1eb7c XML. Ph\u1ea7n th\u00e2n y\u00eau c\u1ea7u th\u01b0\u1eddng chi\u1ebfm v\u1ecb tr\u00ed trung t\u00e2m trong c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn c\u00e1c y\u00eau c\u1ea7u POST v\u00e0 PUT, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u \u0111\u1ebfn m\u00e1y ch\u1ee7. N\u1eafm b\u1eaft s\u00e2u s\u1eafc nh\u1eefng \u0111i\u1ec1u ph\u1ee9c t\u1ea1p xung quanh c\u1ea5u tr\u00fac v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u trong n\u1ed9i dung y\u00eau c\u1ea7u l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng kh\u00f4ng th\u1ec3 thi\u1ebfu, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c n\u1ed7 l\u1ef1c nh\u01b0 g\u1eedi bi\u1ec3u m\u1eabu v\u00e0 t\u01b0\u01a1ng t\u00e1c API.<\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u GET<\/strong><\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng h\u00e0nh \u0111\u1ed9ng c\u01a1 b\u1ea3n x\u00e1c \u0111\u1ecbnh b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n web l\u00e0 h\u00e0nh \u0111\u1ed9ng truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7. Ph\u01b0\u01a1ng th\u1ee9c GET n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 tinh t\u00fay cho m\u1ee5c \u0111\u00edch n\u00e0y. Trong ph\u1ea7n ti\u1ebfp theo, ch\u00fang ta s\u1ebd b\u1eaft tay v\u00e0o kh\u00e1m ph\u00e1 to\u00e0n di\u1ec7n v\u1ec1 ngh\u1ec7 thu\u1eadt t\u1ea1o c\u00e1c y\u00eau c\u1ea7u GET, s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p linh ho\u1ea1t v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, sau \u0111\u00f3 \u0111i s\u00e2u v\u00e0o ngh\u1ec7 thu\u1eadt qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c ph\u1ea3n h\u1ed3i thu \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c y\u00eau c\u1ea7u n\u00e0y.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p cho y\u00eau c\u1ea7u GET<\/strong><\/h3>\n\n\n\n

API T\u00ecm n\u1ea1p, m\u1ed9t giao di\u1ec7n JavaScript hi\u1ec7n \u0111\u1ea1i, n\u1ed5i l\u00ean nh\u01b0 ng\u1ecdn h\u1ea3i \u0111\u0103ng h\u01b0\u1edbng d\u1eabn c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n hi\u1ec7n \u0111\u1ea1i v\u01b0\u1ee3t qua s\u1ef1 ph\u1ee9c t\u1ea1p nh\u01b0 m\u00ea cung c\u1ee7a vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP. Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i n\u00f3 c\u00f3 th\u1ec3 l\u00e0 do t\u00ednh \u0111\u01a1n gi\u1ea3n v\u1ed1n c\u00f3 v\u00e0 t\u00ednh linh ho\u1ea1t v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3. Trong ti\u1ec3u m\u1ee5c n\u00e0y, ch\u00fang ta s\u1ebd b\u1eaft tay v\u00e0o h\u00e0nh tr\u00ecnh l\u00e0m s\u00e1ng t\u1ecf ngh\u1ec7 thu\u1eadt s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p \u0111\u1ec3 s\u1eafp x\u1ebfp c\u00e1c y\u00eau c\u1ea7u GET trong \u1ee9ng d\u1ee5ng web c\u1ee7a b\u1ea1n. B\u1ea1n s\u1ebd ch\u1ee9ng ki\u1ebfn s\u1ef1 tinh t\u1ebf v\u00e0 \u0111\u01a1n gi\u1ea3n m\u00e0 nh\u1edd \u0111\u00f3 b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u m\u1ed9t y\u00eau c\u1ea7u GET, t\u1eeb \u0111\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

X\u1eed l\u00fd ph\u1ea3n h\u1ed3i y\u00eau c\u1ea7u GET<\/strong><\/h3>\n\n\n\n

\u0110\u1ec9nh \u0111i\u1ec3m c\u1ee7a n\u1ed7 l\u1ef1c y\u00eau c\u1ea7u GET c\u1ee7a b\u1ea1n l\u00e0 \u0111\u01b0a ra ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7. Qu\u1ea3n l\u00fd v\u00e0 khai th\u00e1c hi\u1ec7u qu\u1ea3 ph\u1ea3n \u1ee9ng n\u00e0y l\u00e0 m\u1ed9t b\u01b0\u1edbc then ch\u1ed1t trong quy tr\u00ecnh. Ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o th\u1ebf gi\u1edbi x\u1eed l\u00fd ph\u1ea3n h\u1ed3i nhi\u1ec1u m\u1eb7t, bao g\u1ed3m ngh\u1ec7 thu\u1eadt ph\u00e2n t\u00edch d\u1eef li\u1ec7u tinh t\u1ebf, thi\u1ebft l\u1eadp c\u00e1c c\u01a1 ch\u1ebf x\u1eed l\u00fd l\u1ed7i m\u1ea1nh m\u1ebd v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t trong l\u0129nh v\u1ef1c qu\u1ea3n l\u00fd d\u1eef li\u1ec7u b\u1eaft ngu\u1ed3n t\u1eeb ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

Th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u POST<\/strong><\/h3>\n\n\n\n

Trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n v\u00e0 n\u0103ng \u0111\u1ed9ng, kh\u1ea3 n\u0103ng g\u1eedi d\u1eef li\u1ec7u \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u0169ng quan tr\u1ecdng nh\u01b0 h\u00e0nh \u0111\u1ed9ng truy xu\u1ea5t d\u1eef li\u1ec7u \u0111\u00f3. C\u00e1c y\u00eau c\u1ea7u POST, l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu c\u1ee7a giao ti\u1ebfp HTTP, \u0111\u1ea3m nh\u1eadn vai tr\u00f2 then ch\u1ed1t l\u00e0 ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb m\u00e1y kh\u00e1ch \u0111\u1ebfn m\u00e1y ch\u1ee7. Trong ph\u1ea7n d\u00e0nh ri\u00eang n\u00e0y, ch\u00fang t\u00f4i b\u1eaft tay v\u00e0o kh\u00e1m ph\u00e1 s\u00e2u s\u1eafc nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p li\u00ean quan \u0111\u1ebfn vi\u1ec7c t\u1ea1o c\u00e1c y\u00eau c\u1ea7u POST, t\u1eadn d\u1ee5ng API t\u00ecm n\u1ea1p linh ho\u1ea1t v\u00e0 \u0111\u00e1ng g\u1eddm. H\u00e0nh tr\u00ecnh c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra chuy\u00ean s\u00e2u c\u00e1c c\u01a1 ch\u1ebf cho ph\u00e9p b\u1eaft \u0111\u1ea7u y\u00eau c\u1ea7u POST, ngh\u1ec7 thu\u1eadt g\u1eedi d\u1eef li\u1ec7u trong c\u00e1c y\u00eau c\u1ea7u n\u00e0y v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd ph\u1ea3n h\u1ed3i.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p cho c\u00e1c y\u00eau c\u1ea7u POST<\/strong><\/h2>\n\n\n\n

API t\u00ecm n\u1ea1p, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 s\u1ee9c m\u1ea1nh, t\u1ecfa s\u00e1ng r\u1ef1c r\u1ee1 khi th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u POST. N\u00f3 cung c\u1ea5p cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n m\u1ed9t c\u00e1ch tinh t\u1ebf v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 g\u1eedi d\u1eef li\u1ec7u \u0111\u1ebfn \u0111i\u1ec3m cu\u1ed1i c\u1ee7a m\u00e1y ch\u1ee7. Trong ti\u1ec3u m\u1ee5c n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p cho c\u00e1c y\u00eau c\u1ea7u POST, bao g\u1ed3m ti\u00eau \u0111\u1ec1 t\u00ecm n\u1ea1p n\u00fat, cho ph\u00e9p b\u1ea1n t\u00f9y ch\u1ec9nh y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

G\u1eedi d\u1eef li\u1ec7u trong c\u00e1c y\u00eau c\u1ea7u POST<\/strong><\/h3>\n\n\n\n

H\u00e0nh \u0111\u1ed9ng truy\u1ec1n d\u1eef li\u1ec7u trong y\u00eau c\u1ea7u POST l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a ph\u00e1t tri\u1ec3n web. Cho d\u00f9 b\u1ea1n \u0111ang g\u1eedi bi\u1ec3u m\u1eabu, t\u1ea3i t\u1ec7p l\u00ean hay t\u01b0\u01a1ng t\u00e1c v\u1edbi API th\u00ec vi\u1ec7c hi\u1ec3u c\u00e1ch c\u1ea5u tr\u00fac v\u00e0 g\u1eedi d\u1eef li\u1ec7u l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. Ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 JSON v\u00e0 d\u1eef li\u1ec7u bi\u1ec3u m\u1eabu, \u0111\u1ed3ng th\u1eddi tr\u00ecnh b\u00e0y c\u00e1ch \u0111\u01b0a ch\u00fang v\u00e0o c\u00e1c y\u00eau c\u1ea7u POST c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, t\u1eadn d\u1ee5ng c\u00e1c kh\u1ea3 n\u0103ng c\u1ee7a api t\u00ecm n\u1ea1p n\u00fat.<\/p>\n\n\n\n

X\u1eed l\u00fd ph\u1ea3n h\u1ed3i y\u00eau c\u1ea7u POST<\/strong><\/h3>\n\n\n\n

Khi b\u1eaft \u0111\u1ea7u y\u00eau c\u1ea7u POST, m\u00e1y ch\u1ee7 s\u1ebd ph\u1ea3n h\u1ed3i h\u1ee3p l\u1ec7, cung c\u1ea5p cho b\u1ea1n m\u1ed9t kho t\u00e0ng th\u00f4ng tin v\u00f4 gi\u00e1. Ngh\u1ec7 thu\u1eadt x\u1eed l\u00fd nh\u1eefng ph\u1ea3n h\u1ed3i n\u00e0y m\u1ed9t c\u00e1ch kh\u00e9o l\u00e9o l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh b\u1eaft bu\u1ed9c trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web. Ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau c\u1ee7a vi\u1ec7c x\u1eed l\u00fd ph\u1ea3n h\u1ed3i cho c\u00e1c y\u00eau c\u1ea7u POST, bao g\u1ed3m ph\u00e2n t\u00edch d\u1eef li\u1ec7u, x\u1eed l\u00fd l\u1ed7i v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 qu\u1ea3n l\u00fd ph\u1ea3n h\u1ed3i c\u1ee7a m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

X\u1eed l\u00fd l\u1ed7i v\u00e0 ngo\u1ea1i l\u1ec7<\/strong><\/h2>\n\n\n\n

Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n web, sai s\u00f3t v\u00e0 ngo\u1ea1i l\u1ec7 l\u00e0 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi. X\u1eed l\u00fd ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u1eabn \u0111\u00e1ng tin c\u1eady v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng. Trong ph\u1ea7n n\u00e0y, ch\u00fang t\u00f4i s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c lo\u1ea1i l\u1ed7i kh\u00e1c nhau, t\u1eeb s\u1ef1 c\u1ed1 m\u1ea1ng \u0111\u1ebfn l\u1ed7i HTTP v\u00e0 cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd l\u1ed7i, bao g\u1ed3m c\u1ea3 vi\u1ec7c s\u1eed d\u1ee5ng ti\u00eau \u0111\u1ec1 t\u00ecm n\u1ea1p n\u00fat \u0111\u1ec3 qu\u1ea3n l\u00fd ti\u00eau \u0111\u1ec1 y\u00eau c\u1ea7u m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

X\u1eed l\u00fd l\u1ed7i m\u1ea1ng<\/strong><\/h3>\n\n\n\n

L\u1ed7i m\u1ea1ng l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n g\u1eb7p ph\u1ea3i. Nh\u1eefng l\u1ed7i n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m t\u1eeb s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i \u0111\u1ebfn th\u1eddi gian ch\u1edd. Ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd kh\u00e9o l\u00e9o c\u00e1c l\u1ed7i m\u1ea1ng, \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n v\u1eabn c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i khi \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c th\u00e1ch th\u1ee9c k\u1ebft n\u1ed1i. T\u00ecm hi\u1ec3u c\u00e1ch gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng s\u1ee9c m\u1ea1nh c\u1ee7a nodejs y\u00eau c\u1ea7u b\u00e0i \u0111\u0103ng http.<\/p>\n\n\n\n

X\u1eed l\u00fd l\u1ed7i HTTP<\/strong><\/h3>\n\n\n\n

C\u00e1c l\u1ed7i HTTP, ch\u1eb3ng h\u1ea1n nh\u01b0 404 Not Found ho\u1eb7c 500 Internal Server Error, c\u00f3 th\u1ec3 l\u00e0m gi\u00e1n \u0111o\u1ea1n lu\u1ed3ng \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. Hi\u1ec3u c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i th\u00edch nh\u1eefng l\u1ed7i n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng. Ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n quy tr\u00ecnh ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd c\u00e1c m\u00e3 l\u1ed7i HTTP kh\u00e1c nhau, cho ph\u00e9p \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n ph\u1ea3n h\u1ed3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 x\u1eed l\u00fd l\u1ed7i<\/strong><\/h3>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ec9nh cao cu\u1ed9c th\u00e1m hi\u1ec3m \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a ch\u00fang t\u00f4i th\u00f4ng qua l\u0129nh v\u1ef1c x\u1eed l\u00fd l\u1ed7i nh\u01b0 m\u00ea cung, ch\u00fang t\u00f4i c\u00f4ng b\u1ed1 m\u1ed9t b\u1ea3n t\u00f3m t\u1eaft to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t. Nh\u1eefng h\u01b0\u1edbng d\u1eabn v\u00f4 gi\u00e1 n\u00e0y s\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng cho chi\u1ebfn l\u01b0\u1ee3c x\u1eed l\u00fd l\u1ed7i c\u1ee7a b\u1ea1n. T\u1eeb vi\u1ec7c ghi nh\u1eadt k\u00fd l\u1ed7i m\u1ed9t c\u00e1ch th\u1eadn tr\u1ecdng \u0111\u1ebfn vi\u1ec7c cung c\u1ea5p th\u00f4ng b\u00e1o l\u1ed7i th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng, nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, k\u1ebft h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng c\u1ee7a ti\u00eau \u0111\u1ec1 t\u00ecm n\u1ea1p n\u00fat, s\u1ebd n\u00e2ng cao \u0111\u1ed9 tin c\u1eady v\u00e0 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng c\u1ee7a \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00ean t\u1ea7m cao ch\u01b0a t\u1eebng c\u00f3.<\/p>\n\n\n\n

T\u00f9y ch\u1ec9nh y\u00eau c\u1ea7u t\u00ecm n\u1ea1p<\/strong><\/h2>\n\n\n\n

Trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n v\u00e0 ph\u1ee9c t\u1ea1p, ngh\u1ec7 thu\u1eadt t\u1ea1o ra c\u00e1c y\u00eau c\u1ea7u T\u00ecm n\u1ea1p \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c v\u00e0 ri\u00eang bi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 t\u00ecm n\u1ea1p trong n\u00fat, n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t k\u1ef9 n\u0103ng then ch\u1ed1t. API t\u00ecm n\u1ea1p, m\u1ed9t giao di\u1ec7n JavaScript hi\u1ec7n \u0111\u1ea1i, trao quy\u1ec1n cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch v\u1edbi m\u00e1y ch\u1ee7 v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch tinh t\u1ebf ch\u01b0a t\u1eebng c\u00f3. Trong b\u00e0i vi\u1ebft to\u00e0n di\u1ec7n n\u00e0y, ch\u00fang t\u00f4i b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh t\u00ecm hi\u1ec3u c\u00e1c s\u1eafc th\u00e1i c\u1ee7a vi\u1ec7c t\u00f9y ch\u1ec9nh y\u00eau c\u1ea7u T\u00ecm n\u1ea1p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n. Kh\u00e1m ph\u00e1 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd bao g\u1ed3m s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c \u0111\u1eb7t ti\u00eau \u0111\u1ec1 v\u00e0 t\u00f9y ch\u1ecdn, thao t\u00e1c v\u1edbi tham s\u1ed1 truy v\u1ea5n c\u0169ng nh\u01b0 khai th\u00e1c s\u1ee9c m\u1ea1nh v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a cookie trong y\u00eau c\u1ea7u T\u00ecm n\u1ea1p c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

\u0110\u1eb7t ti\u00eau \u0111\u1ec1 v\u00e0 t\u00f9y ch\u1ecdn<\/strong><\/h3>\n\n\n\n

Kh\u1ea3 n\u0103ng s\u00e2u s\u1eafc \u0111\u1ec3 \u0111\u1ecbnh c\u1ea5u h\u00ecnh v\u00e0 \u0111\u1eb7t c\u00e1c ti\u00eau \u0111\u1ec1 c\u0169ng nh\u01b0 t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh trong y\u00eau c\u1ea7u T\u00ecm n\u1ea1p c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n web \u0111i\u1ec1u h\u01b0\u1edbng s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1. Ti\u00eau \u0111\u1ec1, c\u00f4ng c\u1ee5 chuy\u1ec3n t\u1ea3i th\u00f4ng tin quan tr\u1ecdng nh\u01b0 m\u00e3 th\u00f4ng b\u00e1o x\u00e1c th\u1ef1c v\u00e0 t\u00f9y ch\u1ecdn lo\u1ea1i n\u1ed9i dung, c\u00f9ng v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn linh ho\u1ea1t, cho ph\u00e9p tinh ch\u1ec9nh t\u1ec9 m\u1ec9 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n. Ch\u00fang ta s\u1ebd b\u1eaft tay v\u00e0o nghi\u00ean c\u1ee9u chuy\u00ean s\u00e2u v\u1ec1 ngh\u1ec7 thu\u1eadt khai th\u00e1c npm t\u00ecm n\u1ea1p n\u00fat, t\u1eeb \u0111\u00f3 n\u00e2ng y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n l\u00ean m\u1ee9c \u0111\u1ed9 linh ho\u1ea1t n\u00e2ng cao, cho ph\u00e9p t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch v\u1edbi m\u00e1y ch\u1ee7. Ngo\u00e0i ra, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1ch k\u1ebft h\u1ee3p t\u00ecm n\u1ea1p nodejs v\u1edbi ti\u00eau \u0111\u1ec1 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

L\u00e0m vi\u1ec7c v\u1edbi c\u00e1c tham s\u1ed1 truy v\u1ea5n<\/strong><\/h3>\n\n\n\n

C\u00e1c tham s\u1ed1 truy v\u1ea5n, gi\u1ed1ng nh\u01b0 c\u00e1c s\u1ee3i c\u1ee7a m\u1ed9t t\u1ea5m th\u1ea3m l\u1edbn, l\u00e0 m\u1ed9t t\u00ednh n\u0103ng c\u00f3 m\u1eb7t kh\u1eafp n\u01a1i trong l\u0129nh v\u1ef1c API web. Ch\u00fang trao quy\u1ec1n cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n l\u1ecdc, s\u1eafp x\u1ebfp v\u00e0 ph\u00e2n trang d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 tinh t\u1ebf. Vi\u1ec7c n\u1eafm v\u1eefng th\u1ee7 c\u00f4ng thao t\u00e1c c\u00e1c tham s\u1ed1 truy v\u1ea5n trong y\u00eau c\u1ea7u T\u00ecm n\u1ea1p c\u1ee7a b\u1ea1n l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng, cho ph\u00e9p truy xu\u1ea5t d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n. Ch\u00fang ta s\u1ebd xem x\u00e9t c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, l\u00e0m s\u00e1ng t\u1ecf s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c x\u00e2y d\u1ef1ng v\u00e0 s\u1eeda \u0111\u1ed5i c\u00e1c tham s\u1ed1 truy v\u1ea5n, t\u1eeb \u0111\u00f3 mang l\u1ea1i cho b\u1ea1n kh\u1ea3 n\u0103ng tinh ch\u1ec9nh c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n\n\n\n

S\u1eed d\u1ee5ng Cookie trong Y\u00eau c\u1ea7u T\u00ecm n\u1ea1p<\/strong><\/h3>\n\n\n\n

Trong b\u1ea3n giao h\u01b0\u1edfng ph\u00e1t tri\u1ec3n web, cookie \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t l\u00e0 ng\u01b0\u1eddi gi\u00e1m s\u00e1t th\u00f4ng tin tr\u1ea1ng th\u00e1i v\u00e0 phi\u00ean, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n giao ti\u1ebfp li\u1ec1n m\u1ea1ch gi\u1eefa m\u00e1y kh\u00e1ch v\u00e0 m\u00e1y ch\u1ee7. S\u1ef1 th\u00e0nh th\u1ea1o v\u1ec1 ngh\u1ec7 thu\u1eadt l\u00e0m vi\u1ec7c v\u1edbi cookie trong c\u00e1c y\u00eau c\u1ea7u T\u00ecm n\u1ea1p c\u1ee7a b\u1ea1n l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu, cho d\u00f9 b\u1ea1n \u0111ang tham gia v\u00e0o c\u00e1c t\u00e1c v\u1ee5 t\u1eeb x\u00e1c th\u1ef1c \u0111\u1ebfn qu\u1ea3n l\u00fd phi\u00ean ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c tr\u1ea1ng th\u00e1i kh\u00e1c. Ch\u00fang ta s\u1ebd b\u1eaft tay v\u00e0o h\u00e0nh tr\u00ecnh l\u00e0m s\u00e1ng t\u1ecf c\u00e1c k\u1ef9 thu\u1eadt g\u1eedi, nh\u1eadn v\u00e0 qu\u1ea3n l\u00fd cookie, t\u1eadn d\u1ee5ng s\u1ee9c m\u1ea1nh c\u1ee7a API t\u00ecm n\u1ea1p \u0111\u1ec3 \u0111i\u1ec1u ph\u1ed1i c\u00e1c t\u01b0\u01a1ng t\u00e1c quan tr\u1ecdng n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 tinh t\u1ebf.<\/p>\n\n\n\n

X\u1eed l\u00fd m\u00e3 kh\u00f4ng \u0111\u1ed3ng b\u1ed9<\/strong><\/h2>\n\n\n\n

Trong l\u0129nh v\u1ef1c ph\u00e1t tri\u1ec3n web lu\u00f4n linh ho\u1ea1t v\u00e0 n\u0103ng \u0111\u1ed9ng, s\u1ef1 l\u00ean xu\u1ed1ng c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 l\u00e0 kh\u00f4ng \u0111\u1ed5i. Kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng v\u00f9ng n\u01b0\u1edbc h\u1ed7n lo\u1ea1n c\u1ee7a m\u00e3 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u1edbi s\u1ef1 kh\u00e9o l\u00e9o ho\u00e0n h\u1ea3o l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n th\u00e0nh th\u1ea1o. Trong ph\u1ea7n d\u00e0nh ri\u00eang n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o hai c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00e1ng g\u1eddm: L\u1eddi h\u1ee9a trong b\u1ed1i c\u1ea3nh API t\u00ecm n\u1ea1p v\u00e0 c\u00fa ph\u00e1p hi\u1ec7n \u0111\u1ea1i c\u1ee7a async\/await.<\/p>\n\n\n\n

L\u1eddi h\u1ee9a trong API t\u00ecm n\u1ea1p<\/strong><\/h3>\n\n\n\n

Nh\u1eefng l\u1eddi h\u1ee9a, gi\u1ed1ng nh\u01b0 nh\u1eefng ng\u1ecdn h\u1ea3i \u0111\u0103ng ki\u00ean \u0111\u1ecbnh d\u1eabn \u0111\u01b0\u1eddng cho nh\u1eefng con t\u00e0u trong c\u01a1n b\u00e3o, \u0111\u01b0\u1ee3c coi l\u00e0 y\u1ebfu t\u1ed1 n\u1ec1n t\u1ea3ng c\u1ee7a JavaScript kh\u00f4ng \u0111\u1ed3ng b\u1ed9. Ch\u00fang cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ti\u1ec7n tinh t\u1ebf v\u00e0 c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9, cho ph\u00e9p x\u1eed l\u00fd c\u00e1c k\u1ebft qu\u1ea3 c\u0169ng nh\u01b0 l\u1ed7i m\u1ed9t c\u00e1ch linh ho\u1ea1t. API t\u00ecm n\u1ea1p \u00e1p d\u1ee5ng li\u1ec1n m\u1ea1ch c\u00e1c L\u1eddi h\u1ee9a, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ef1 nhi\u00ean \u0111\u1ec3 ti\u1ebfn h\u00e0nh truy xu\u1ea5t d\u1eef li\u1ec7u kh\u00f4ng \u0111\u1ed3ng b\u1ed9. Ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u cu\u1ed9c h\u00e0nh tr\u00ecnh t\u00ecm hi\u1ec3u nh\u1eefng \u0111i\u1ec3m ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng L\u1eddi h\u1ee9a trong c\u00e1c y\u00eau c\u1ea7u T\u00ecm n\u1ea1p, kh\u00e1m ph\u00e1 ngh\u1ec7 thu\u1eadt x\u00e2u chu\u1ed7i nhi\u1ec1u y\u00eau c\u1ea7u v\u00e0 x\u1eed l\u00fd l\u1ed7i m\u1ed9t c\u00e1ch duy\u00ean d\u00e1ng v\u00e0 kh\u00e9o l\u00e9o.<\/p>\n\n\n\n

Kh\u00f4ng \u0111\u1ed3ng b\u1ed9\/\u0110ang ch\u1edd v\u1edbi API t\u00ecm n\u1ea1p<\/strong><\/h3>\n\n\n\n

Trong b\u1ea3n giao h\u01b0\u1edfng kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n c\u1ee7a JavaScript, async\/await n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t s\u1ef1 b\u1ed5 sung g\u1ea7n \u0111\u00e2y v\u00e0 h\u00e0i h\u00f2a. C\u1ea5u tr\u00fac hi\u1ec7n \u0111\u1ea1i n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a m\u00e3 kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u1edf m\u1ee9c \u0111\u1ed9 \u0111\u00e1ng ch\u00fa \u00fd, cung c\u1ea5p c\u01a1 ch\u1ebf tr\u1ef1c quan v\u00e0 tinh t\u1ebf \u0111\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi Promise. N\u00f3 m\u1edf ra m\u1ed9t k\u1ef7 nguy\u00ean m\u1edbi v\u1ec1 s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 ng\u1eafn g\u1ecdn c\u1ee7a m\u00e3. Kh\u00e1m ph\u00e1 c\u1ee7a ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n ngh\u1ec7 thu\u1eadt s\u1eed d\u1ee5ng async\/await k\u1ebft h\u1ee3p v\u1edbi API t\u00ecm n\u1ea1p. B\u1ea1n s\u1ebd t\u1eadn m\u1eaft ch\u1ee9ng ki\u1ebfn c\u00e1ch c\u00fa ph\u00e1p hi\u1ec7n \u0111\u1ea1i n\u00e0y h\u1ee3p l\u00fd h\u00f3a m\u00e3 kh\u00f4ng \u0111\u1ed3ng b\u1ed9, khi\u1ebfn m\u00e3 tr\u1edf n\u00ean ng\u1eafn g\u1ecdn h\u01a1n v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n r\u1ea5t nhi\u1ec1u. Ngo\u00e0i ra, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u t\u00ecm n\u1ea1p b\u00e0i \u0111\u0103ng, n\u00e2ng cao kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c li\u1ec1n m\u1ea1ch v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

V\u00ed d\u1ee5 trong th\u1ebf gi\u1edbi th\u1ef1c<\/strong><\/h2>\n\n\n\n

Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n web r\u1ed9ng l\u1edbn, ki\u1ebfn th\u1ee9c l\u00fd thuy\u1ebft th\u01b0\u1eddng kh\u00f4ng th\u1ec3 hi\u1ec3u h\u1ebft ti\u1ec1m n\u0103ng th\u1ef1c s\u1ef1 v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a API t\u00ecm n\u1ea1p trong m\u00f4i tr\u01b0\u1eddng Node.js. \u0110\u1ec3 th\u1ef1c s\u1ef1 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c s\u1ee9c m\u1ea1nh v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a n\u00f3, ch\u00fang ta ph\u1ea3i \u0111\u1eafm m\u00ecnh v\u00e0o c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf, th\u1ef1c t\u1ebf n\u01a1i API T\u00ecm n\u1ea1p t\u1ecfa s\u00e1ng r\u1ef1c r\u1ee1. Trong ph\u1ea7n n\u00e0y, ch\u00fang t\u00f4i b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 th\u00f4ng qua c\u00e1c v\u00ed d\u1ee5 h\u1eefu h\u00ecnh, ch\u1ee9ng minh c\u00e1ch API T\u00ecm n\u1ea1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng trong th\u1ebf gi\u1edbi th\u1ef1c.<\/p>\n\n\n\n

T\u00ecm n\u1ea1p d\u1eef li\u1ec7u t\u1eeb API<\/strong><\/h3>\n\n\n\n

H\u00e0nh \u0111\u1ed9ng truy xu\u1ea5t d\u1eef li\u1ec7u t\u1eeb c\u00e1c API b\u00ean ngo\u00e0i l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 ph\u1ed5 bi\u1ebfn v\u00e0 thi\u1ebft y\u1ebfu trong ph\u00e1t tri\u1ec3n web hi\u1ec7n \u0111\u1ea1i. Cho d\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ed9t \u1ee9ng d\u1ee5ng d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft hay t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch m\u1ed9t c\u1ed5ng thanh to\u00e1n, API T\u00ecm n\u1ea1p s\u1ebd n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t \u0111\u1ed3ng minh linh ho\u1ea1t v\u00e0 \u0111\u00e1ng tin c\u1eady. Th\u00f4ng qua v\u00ed d\u1ee5 th\u1ef1c t\u1ebf, ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n nh\u1eefng \u0111i\u1ec3m ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c t\u00ecm n\u1ea1p d\u1eef li\u1ec7u th\u1eddi ti\u1ebft theo th\u1eddi gian th\u1ef1c t\u1eeb API c\u1ee7a b\u00ean th\u1ee9 ba. B\u00e0i t\u1eadp th\u1ef1c t\u1ebf n\u00e0y s\u1ebd ti\u1ebft l\u1ed9 ngh\u1ec7 thu\u1eadt x\u00e2y d\u1ef1ng m\u1ed9t y\u00eau c\u1ea7u h\u1ee3p l\u00fd v\u00e0 x\u1eed l\u00fd th\u00e0nh th\u1ea1o ph\u1ea3n h\u1ed3i ti\u1ebfp theo.<\/p>\n\n\n\n

T\u1ea3i t\u1ec7p l\u00ean qua HTTP<\/strong><\/h3>\n\n\n\n

L\u0129nh v\u1ef1c t\u1ea3i l\u00ean t\u1ec7p th\u1ec3 hi\u1ec7n m\u1ed9t kh\u00eda c\u1ea1nh c\u01a1 b\u1ea3n c\u1ee7a nhi\u1ec1u \u1ee9ng d\u1ee5ng web. API t\u00ecm n\u1ea1p, v\u1edbi t\u00ednh linh ho\u1ea1t v\u01b0\u1ee3t tr\u1ed9i, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c li\u1ec1n m\u1ea1ch \u0111\u1ec3 tri\u1ec3n khai c\u00e1c ch\u1ee9c n\u0103ng t\u1ea3i t\u1ec7p l\u00ean m\u1ea1nh m\u1ebd tr\u00ean m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i s\u1ebd \u0111\u1ed3ng h\u00e0nh c\u00f9ng b\u1ea1n th\u00f4ng qua m\u1ed9t v\u00ed d\u1ee5 th\u1ef1c t\u1ebf, h\u1eefu h\u00ecnh, trong \u0111\u00f3 ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c trao quy\u1ec1n t\u1ea3i h\u00ecnh \u1ea3nh l\u00ean d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef \u0111\u00e1m m\u00e2y th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng T\u00ecm n\u1ea1p m\u1ed9t c\u00e1ch th\u00e0nh th\u1ea1o. B\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 vi\u1ec7c x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1eadp v\u00e0o t\u1ec7p, t\u1ea1o c\u00e1c y\u00eau c\u1ea7u POST m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c ph\u1ea3n h\u1ed3i t\u1eeb m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

X\u00e1c th\u1ef1c b\u1eb1ng API t\u00ecm n\u1ea1p<\/strong><\/h3>\n\n\n\n

Vi\u1ec7c tri\u1ec3n khai c\u00e1c c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd \u0111\u00f3ng vai tr\u00f2 l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 b\u1ea3o m\u1eadt c\u00e1c \u1ee9ng d\u1ee5ng web c\u1ee7a b\u1ea1n. API t\u00ecm n\u1ea1p, c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd c\u00e1c quy tr\u00ecnh x\u00e1c th\u1ef1c \u0111a d\u1ea1ng, m\u1edf \u0111\u01b0\u1eddng cho c\u00e1c t\u01b0\u01a1ng t\u00e1c an to\u00e0n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. Trong m\u1ed9t v\u00ed d\u1ee5 th\u1ef1c t\u1ebf, ch\u00fang t\u00f4i s\u1ebd l\u00e0m s\u00e1ng t\u1ecf s\u1ef1 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch c\u1ee7a M\u00e3 th\u00f4ng b\u00e1o Web JSON (JWT) \u0111\u1ec3 x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua T\u00ecm n\u1ea1p. B\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c s\u1eafc th\u00e1i bao g\u1ed3m ti\u00eau \u0111\u1ec1 x\u00e1c th\u1ef1c v\u00e0 \u0111i\u1ec1u ph\u1ed1i li\u00ean l\u1ea1c an to\u00e0n v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a b\u1ea1n, \u0111\u1ea3m b\u1ea3o ti\u00eau chu\u1ea9n b\u1ea3o m\u1eadt cao nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

L\u1eddi khuy\u00ean v\u00e0 ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t<\/strong><\/h2>\n\n\n\n

M\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn vi\u1ec7c n\u1eafm v\u1eefng API T\u00ecm n\u1ea1p l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng, nh\u01b0ng vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u00e0 l\u01b0u \u00fd \u0111\u1ebfn c\u00e1c m\u1eb9o c\u00f3 gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 n\u00e2ng cao k\u1ef9 n\u0103ng c\u1ee7a b\u1ea1n l\u00ean t\u1ea7m cao ch\u01b0a t\u1eebng c\u00f3. Trong ph\u1ea7n n\u00e0y, ch\u00fang t\u00f4i s\u1ebd chia s\u1ebb m\u1ed9t kho t\u00e0ng th\u00f4ng tin chi ti\u1ebft, \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n kh\u00f4ng ch\u1ec9 khai th\u00e1c API t\u00ecm n\u1ea1p m\u1ed9t c\u00e1ch th\u00e0nh th\u1ea1o m\u00e0 c\u00f2n khai th\u00e1c theo c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 m\u1ea1nh m\u1ebd.<\/p>\n\n\n\n

X\u1eed l\u00fd l\u1ed7i hi\u1ec7u qu\u1ea3<\/strong><\/h3>\n\n\n\n

N\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng linh ho\u1ea1t l\u00e0 x\u1eed l\u00fd l\u1ed7i hi\u1ec7u qu\u1ea3. Ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o ngh\u1ec7 thu\u1eadt x\u1eed l\u00fd l\u1ed7i m\u1ed9t c\u00e1ch kh\u00e9o l\u00e9o, l\u00e0m s\u00e1ng t\u1ecf c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t cho ph\u00e9p qu\u1ea3n l\u00fd l\u1ed7i m\u1ed9t c\u00e1ch tinh t\u1ebf khi s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p. B\u1ea1n s\u1ebd hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 c\u00e1ch ph\u00e2n bi\u1ec7t gi\u1eefa l\u1ed7i m\u1ea1ng v\u00e0 l\u1ed7i HTTP, c\u00f9ng v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c cung c\u1ea5p th\u00f4ng b\u00e1o l\u1ed7i mang t\u00ednh th\u00f4ng tin cho ng\u01b0\u1eddi d\u00f9ng nh\u1eb1m n\u00e2ng cao tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

T\u1ed1i \u01b0u h\u00f3a y\u00eau c\u1ea7u t\u00ecm n\u1ea1p<\/strong><\/h3>\n\n\n\n

Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a c\u00e1c y\u00eau c\u1ea7u T\u00ecm n\u1ea1p l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng trong vi\u1ec7c cung c\u1ea5p c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7u su\u1ea5t cao. Trong ph\u00e2n \u0111o\u1ea1n n\u00e0y, ch\u00fang t\u00f4i s\u1ebd truy\u1ec1n \u0111\u1ea1t r\u1ea5t nhi\u1ec1u k\u1ef9 thu\u1eadt t\u1ed1i \u01b0u h\u00f3a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 n\u00e2ng cao y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n l\u00ean m\u1ee9c hi\u1ec7u qu\u1ea3 m\u1edbi. T\u1eeb vi\u1ec7c ph\u00e2n nh\u00f3m y\u00eau c\u1ea7u \u0111\u1ebfn \u0111i\u1ec1u ch\u1ec9nh y\u00eau c\u1ea7u v\u00e0 tri\u1ec3n khai b\u1ed9 nh\u1edb \u0111\u1ec7m m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c, b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 v\u00e0 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n

C\u00e2n nh\u1eafc v\u1ec1 B\u1ea3o m\u1eadt<\/strong><\/h3>\n\n\n\n

B\u1ea3o m\u1eadt, m\u1ed1i quan t\u00e2m h\u00e0ng \u0111\u1ea7u trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt s\u1ed1, ph\u1ea3i lu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u khi s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p. Ch\u00fang t\u00f4i s\u1ebd b\u1eaft \u0111\u1ea7u m\u1ed9t cu\u1ed9c th\u1ea3o lu\u1eadn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 b\u1ea3o m\u1eadt, trang b\u1ecb cho b\u1ea1n ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1ea3o v\u1ec7 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt ph\u1ed5 bi\u1ebfn. Ch\u00fang t\u00f4i s\u1ebd gi\u1ea3i quy\u1ebft c\u00e1c m\u1ed1i lo ng\u1ea1i nghi\u00eam tr\u1ecdng nh\u01b0 c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng Gi\u1ea3 m\u1ea1o y\u00eau c\u1ea7u ch\u00e9o trang web (CSRF) v\u00e0 T\u1eadp l\u1ec7nh ch\u00e9o trang web (XSS) \u0111\u1ed3ng th\u1eddi nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o m\u1eadt d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m trong qu\u00e1 tr\u00ecnh truy\u1ec1n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n

Khi ch\u00fang t\u00f4i k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh kh\u00e1m ph\u00e1 API T\u00ecm n\u1ea1p trong h\u1ec7 sinh th\u00e1i Node.js, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i t\u00f3m t\u1eaft l\u1ea1i h\u00e0nh tr\u00ecnh c\u1ee7a ch\u00fang t\u00f4i v\u00e0 suy ngh\u0129 xem khi n\u00e0o n\u00ean tri\u1ec3n khai ch\u00ednh x\u00e1c c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd n\u00e0y \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a ti\u1ec1m n\u0103ng c\u1ee7a n\u00f3.<\/p>\n\n\n\n

T\u00f3m t\u1eaft v\u1ec1 Fetch API trong Node.js<\/strong><\/h3>\n\n\n\n

Trong su\u1ed1t b\u00e0i vi\u1ebft to\u00e0n di\u1ec7n n\u00e0y, ch\u00fang t\u00f4i \u0111\u00e3 b\u1eaft \u0111\u1ea7u m\u1ed9t h\u00e0nh tr\u00ecnh s\u00e2u s\u1eafc, l\u00e0m s\u00e1ng t\u1ecf c\u00e1c kh\u1ea3 n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng trong th\u1ebf gi\u1edbi th\u1ef1c c\u1ee7a API T\u00ecm n\u1ea1p. T\u1eeb h\u00e0nh \u0111\u1ed9ng t\u00ecm n\u1ea1p d\u1eef li\u1ec7u t\u1eeb c\u00e1c API b\u00ean ngo\u00e0i \u0111\u1ebfn h\u1ed7 tr\u1ee3 t\u1ea3i t\u1ec7p l\u00ean v\u00e0 c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c m\u1ea1nh m\u1ebd, API t\u00ecm n\u1ea1p \u0111\u00e3 n\u1ed5i l\u00ean nh\u01b0 m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n web gi\u1ea3i quy\u1ebft s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a b\u1ed1i c\u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng API t\u00ecm n\u1ea1p<\/strong><\/h3>\n\n\n\n

T\u00f3m l\u1ea1i, hi\u1ec3u ch\u00ednh x\u00e1c th\u1eddi \u0111i\u1ec3m khai th\u00e1c API t\u00ecm n\u1ea1p l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. M\u1eb7c d\u00f9 ch\u00fang t\u00f4i \u0111\u00e3 kh\u00e1m ph\u00e1 s\u1ee9c m\u1ea1nh c\u1ee7a n\u00f3 trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u00e1nh gi\u00e1 c\u00e1c y\u00eau c\u1ea7u ri\u00eang c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p h\u01b0\u1edbng d\u1eabn c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m t\u1ed1i \u01b0u \u0111\u1ec3 t\u1eadn d\u1ee5ng API t\u00ecm n\u1ea1p v\u00e0 khi n\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n.<\/p>\n\n\n\n

V\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 API t\u00ecm n\u1ea1p, vi\u1ec7c \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a l\u1ed7i c\u0169ng nh\u01b0 nh\u1eadn th\u1ee9c s\u00e2u s\u1eafc v\u1ec1 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 b\u1ea3o m\u1eadt, b\u1ea1n \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ec3 gi\u1ea3i quy\u1ebft nhi\u1ec1u th\u00e1ch th\u1ee9c ph\u00e1t tri\u1ec3n web. Trao quy\u1ec1n cho b\u1ea3n th\u00e2n \u0111\u1ec3 khai th\u00e1c ti\u1ec1m n\u0103ng v\u00f4 bi\u00ean c\u1ee7a API T\u00ecm n\u1ea1p trong vi\u1ec7c t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng web hi\u1ec7u qu\u1ea3, an to\u00e0n v\u00e0 gi\u00e0u t\u00ednh n\u0103ng, \u0111\u00e1p \u1ee9ng li\u1ec1n m\u1ea1ch nhu c\u1ea7u c\u1ee7a th\u1ebf gi\u1edbi th\u1ef1c.<\/p>","protected":false},"excerpt":{"rendered":"

In the ever-evolving realm of web development, Node.js has steadfastly entrenched itself as an indomitable force. With its robust server-side capabilities, Node.js stands as the cornerstone for crafting web applications that are not only scalable but also exquisitely efficient. In this meticulously crafted article, we embark on an immersive journey into one of the most […]<\/p>\n","protected":false},"author":1,"featured_media":921845,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-921840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"acf":[],"_links":{"self":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/921840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/comments?post=921840"}],"version-history":[{"count":0,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/posts\/921840\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media\/921845"}],"wp:attachment":[{"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/media?parent=921840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/categories?post=921840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/proxyelite.info\/vi\/wp-json\/wp\/v2\/tags?post=921840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}