{"id":1150,"date":"2026-04-09T03:29:24","date_gmt":"2026-04-08T19:29:24","guid":{"rendered":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/myths-about-composite-structure-diagrams-busted-by-architects\/"},"modified":"2026-04-09T03:29:24","modified_gmt":"2026-04-08T19:29:24","slug":"myths-about-composite-structure-diagrams-busted-by-architects","status":"publish","type":"post","link":"https:\/\/flavorfiesta.foodiesconnect.net\/vn\/myths-about-composite-structure-diagrams-busted-by-architects\/","title":{"rendered":"Nh\u1eefng hi\u1ec3u l\u1ea7m v\u1ec1 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh b\u1ecb v\u1ea1ch tr\u1ea7n b\u1edfi c\u00e1c Ki\u1ebfn tr\u00fac s\u01b0 Gi\u1ea3i ph\u00e1p C\u1ea5p cao"},"content":{"rendered":"

Khi t\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t (UML), \u00edt s\u01a1 \u0111\u1ed3 n\u00e0o g\u00e2y ra s\u1ef1 nh\u1ea7m l\u1eabn nhi\u1ec1u b\u1eb1ngS\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/strong>. Th\u01b0\u1eddng b\u1ecb che l\u1ea5p b\u1edfi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a S\u01a1 \u0111\u1ed3 L\u1edbp v\u00e0 S\u01a1 \u0111\u1ed3 Chu\u1ed7i, k\u00fd hi\u1ec7u tr\u1ef1c quan n\u00e0y mang s\u1ee9c m\u1ea1nh quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u t\u1ed5 ch\u1ee9c n\u1ed9i b\u1ed9 c\u1ee7a h\u1ec7 th\u1ed1ng. Tuy nhi\u00ean, m\u1ed9t l\u1edbp s\u01b0\u01a1ng m\u00f9 dai d\u1eb3ng v\u1ec1 s\u1ef1 hi\u1ec3u l\u1ea7m lu\u00f4n bao quanh gi\u00e1 tr\u1ecb v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3. C\u00e1c Ki\u1ebfn tr\u00fac s\u01b0 Gi\u1ea3i ph\u00e1p C\u1ea5p cao th\u01b0\u1eddng xuy\u00ean g\u1eb7p ph\u1ea3i c\u00e1c nh\u00f3m b\u1ecf qua b\u01b0\u1edbc m\u00f4 h\u00ecnh h\u00f3a n\u00e0y, d\u1eabn \u0111\u1ebfn c\u00e1c c\u01a1 s\u1edf m\u00e3 ngu\u1ed3n d\u1ec5 g\u00e3y v\u00e0 ranh gi\u1edbi th\u00e0nh ph\u1ea7n kh\u00f4ng r\u00f5 r\u00e0ng.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn xung quanh S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh. Ch\u00fang ta s\u1ebd \u0111i v\u01b0\u1ee3t qua m\u1ee9c b\u1ec1 m\u1eb7t v\u00e0 xem x\u00e9t th\u1ef1c t\u1ebf k\u1ef9 thu\u1eadt c\u1ee7a vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9. \u0110\u1ebfn cu\u1ed1i b\u00e0i \u0111\u1ecdc n\u00e0y, b\u1ea1n s\u1ebd hi\u1ec3u \u0111\u01b0\u1ee3c khi n\u00e0o n\u00ean \u00e1p d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y v\u00e0 c\u00e1ch ch\u00fang l\u00e0m r\u00f5 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng th\u00eam g\u00e1nh n\u1eb7ng kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n

\"Whimsical<\/figure>\n

\ud83e\udde9 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 g\u00ec?<\/h2>\n

Tr\u01b0\u1edbc khi gi\u1ea3i quy\u1ebft c\u00e1c hi\u1ec3u l\u1ea7m, c\u1ea7n thi\u1ebft ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh m\u00f4 t\u1ea3 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i. Trong khi S\u01a1 \u0111\u1ed3 L\u1edbp hi\u1ec3n th\u1ecb m\u1ed9t l\u1edbp v\u00e0 c\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a n\u00f3, th\u00ec S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh ti\u1ebft l\u1ed9 nh\u1eefng g\u00ec n\u1eb1m b\u00ean trong h\u1ed9p \u0111en c\u1ee7a l\u1edbp \u0111\u00f3.<\/p>\n

N\u00f3 t\u1eadp trung v\u00e0o:<\/p>\n

    \n
  • C\u00e1c b\u1ed9 ph\u1eadn:<\/strong> C\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh b\u00ean trong b\u1ed9 ph\u00e2n lo\u1ea1i.<\/li>\n
  • C\u00e1c k\u1ebft n\u1ed1i:<\/strong> C\u00e1c \u0111\u01b0\u1eddng d\u1eabn k\u1ebft n\u1ed1i c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi nhau.<\/li>\n
  • Giao di\u1ec7n:<\/strong> C\u00e1c d\u1ecbch v\u1ee5 \u0111\u01b0\u1ee3c cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u b\u1edfi c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n
  • C\u00e1c c\u1ed5ng:<\/strong> C\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c gi\u1eefa b\u1ed9 ph\u00e2n lo\u1ea1i v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<\/ul>\n

    H\u00e3y h\u00ecnh dung S\u01a1 \u0111\u1ed3 L\u1edbp nh\u01b0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho ngo\u1ea1i h\u00ecnh v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a m\u1ed9t chi\u1ebfc xe h\u01a1i. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 h\u00ecnh \u1ea3nh c\u1eaft ngang cho th\u1ea5y \u0111\u1ed9ng c\u01a1, h\u1ed9p s\u1ed1 v\u00e0 h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u00ean trong khung g\u1ea7m. N\u00f3 tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi: \u201cB\u1ed9 ph\u1eadn n\u00e0y th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng b\u00ean trong nh\u01b0 th\u1ebf n\u00e0o?\u201d<\/p>\n

    \ud83d\udeab Nghi\u00eam th\u1ee9c 1: Ch\u00fang ch\u1ec9 l\u00e0 S\u01a1 \u0111\u1ed3 L\u1edbp \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh<\/h2>\n

    L\u1ed7i \u0111\u1ea7u ti\u00ean v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 coi S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh nh\u01b0 m\u1ed9t phi\u00ean b\u1ea3n th\u1eeba c\u1ee7a S\u01a1 \u0111\u1ed3 L\u1edbp. C\u00e1c nh\u00f3m th\u01b0\u1eddng \u0111\u1eb7t c\u00e2u h\u1ecfi: \u201cN\u1ebfu t\u00f4i \u0111\u00e3 c\u00f3 S\u01a1 \u0111\u1ed3 L\u1edbp, t\u1ea1i sao l\u1ea1i c\u1ea7n m\u1ed9t s\u01a1 \u0111\u1ed3 kh\u00e1c?\u201d<\/p>\n

    Th\u1ef1c t\u1ebf:<\/strong><\/p>\n

      \n
    • S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ph\u1ea1m vi:<\/strong> S\u01a1 \u0111\u1ed3 L\u1edbp m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac t\u0129nh c\u1ee7a h\u1ec7 th\u1ed1ng \u1edf c\u1ea5p \u0111\u1ed9 l\u1edbp. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh m\u00f4 h\u00ecnh h\u00f3a b\u1ed1 c\u1ee5c n\u1ed9i b\u1ed9 c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i c\u1ee5 th\u1ec3.<\/li>\n
    • M\u1ee9c \u0111\u1ed9 hi\u1ec3n th\u1ecb:<\/strong> S\u01a1 \u0111\u1ed3 L\u1edbp hi\u1ec3n th\u1ecb c\u00e1c giao di\u1ec7n c\u00f4ng khai v\u00e0 thu\u1ed9c t\u00ednh. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh ti\u1ebft l\u1ed9 c\u00e1c d\u00e2y n\u1ed1i n\u1ed9i b\u1ed9 v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c b\u1ecb \u1ea9n trong h\u00ecnh \u1ea3nh l\u1edbp ti\u00eau chu\u1ea9n.<\/li>\n
    • \u0110\u1ed9 chi ti\u1ebft:<\/strong> Trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p, m\u1ed9t l\u1edbp duy nh\u1ea5t c\u00f3 th\u1ec3 bao h\u00e0m m\u1ed9t d\u1ecbch v\u1ee5 vi m\u00f4, m\u1ed9t m\u00f4-\u0111un ph\u1ea7n c\u1ee9ng ho\u1eb7c m\u1ed9t thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p. S\u01a1 \u0111\u1ed3 L\u1edbp kh\u00f4ng th\u1ec3 hi\u1ec3n th\u1ecb c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a s\u1ef1 bao h\u00e0m \u0111\u00f3.<\/li>\n<\/ul>\n

      Vi\u1ec7c s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 L\u1edbp \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 d\u1eabn \u0111\u1ebfn h\u00ecnh \u1ea3nh \u201cl\u1edbp h\u1ed7n \u0111\u1ed9n\u201d n\u01a1i m\u1ecdi ph\u1ee5 thu\u1ed9c \u0111\u1ec1u \u0111\u01b0\u1ee3c v\u1ebd tr\u00ean c\u00f9ng m\u1ed9t m\u1eb7t ph\u1eb3ng. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh gi\u1edbi thi\u1ec7u m\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p bao h\u00e0m, gi\u00fap t\u00e1ch bi\u1ec7t tr\u1ef1c quan m\u1ea1ng l\u01b0\u1edbi n\u1ed9i b\u1ed9 kh\u1ecfi giao di\u1ec7n b\u00ean ngo\u00e0i.<\/p>\n

      \ud83d\udeab Nghi\u00eam th\u1ee9c 2: Nh\u1eefng s\u01a1 \u0111\u1ed3 n\u00e0y t\u1ea1o ra qu\u00e1 nhi\u1ec1u g\u00e1nh n\u1eb7ng<\/h2>\n

      Nhi\u1ec1u ki\u1ebfn tr\u00fac s\u01b0 cho r\u1eb1ng vi\u1ec7c t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 chi ti\u1ebft t\u1ed1n qu\u00e1 nhi\u1ec1u th\u1eddi gian trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n linh ho\u1ea1t. H\u1ecd coi t\u00e0i li\u1ec7u l\u00e0 \u0111i\u1ec3m ngh\u1ebdn thay v\u00ec c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 l\u00e0m r\u00f5.<\/p>\n

      Th\u1ef1c t\u1ebf:<\/strong><\/p>\n

        \n
      • Chi ph\u00ed thay \u0111\u1ed5i:<\/strong> Th\u1eddi gian ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c khi g\u1ee1 l\u1ed7i v\u00e0 t\u00e1i c\u1ea5u tr\u00fac th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 th\u1eddi gian d\u00e0nh cho vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a. Khi m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ecb l\u1ed7i, vi\u1ec7c hi\u1ec3u lu\u1ed3ng d\u1eef li\u1ec7u n\u1ed9i b\u1ed9 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n s\u1ebd nhanh h\u01a1n nhi\u1ec1u khi d\u00f9ng s\u01a1 \u0111\u1ed3 thay v\u00ec ph\u1ea3i theo d\u00f5i t\u1eebng d\u00f2ng m\u00e3.<\/li>\n
      • Ti\u1ebfp nh\u1eadn th\u00e0nh vi\u00ean m\u1edbi:<\/strong> C\u00e1c th\u00e0nh vi\u00ean m\u1edbi trong nh\u00f3m th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n khi hi\u1ec3u h\u1ec7 th\u1ed1ng c\u0169. M\u1ed9t s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh cung c\u1ea5p b\u1ea3n \u0111\u1ed3 v\u1ec1 ki\u1ebfn tr\u00fac n\u1ed9i b\u1ed9, gi\u00fap gi\u1ea3m th\u1eddi gian l\u00e0m quen cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n.<\/li>\n
      • S\u1eed d\u1ee5ng c\u00f3 ch\u1ecdn l\u1ecdc:<\/strong> B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i m\u00f4 h\u00ecnh h\u00f3a m\u1ecdi l\u1edbp. D\u00e0nh s\u01a1 \u0111\u1ed3 n\u00e0y cho c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p cao. N\u1ebfu m\u1ed9t l\u1edbp \u0111\u01a1n gi\u1ea3n, s\u01a1 \u0111\u1ed3 L\u1edbp l\u00e0 \u0111\u1ee7. N\u1ebfu n\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng con, th\u00ec s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 b\u1eaft bu\u1ed9c.<\/li>\n<\/ul>\n

        T\u00e0i li\u1ec7u kh\u00f4ng ph\u1ea3i l\u00e0 vi\u1ec7c t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m; m\u00e0 l\u00e0 truy\u1ec1n \u0111\u1ea1t m\u1ee5c \u0111\u00edch. N\u1ebfu \u0111\u1ed9 ph\u1ee9c t\u1ea1p n\u1ed9i b\u1ed9 cao, chi ph\u00ed m\u00f4 h\u00ecnh h\u00f3a l\u00e0 m\u1ed9t kho\u1ea3n \u0111\u1ea7u t\u01b0 v\u00e0o s\u1ef1 \u1ed5n \u0111\u1ecbnh.<\/p>\n

        \ud83d\udeab Nghi\u00eam myth 3: Ch\u00fang ch\u1ec9 \u00e1p d\u1ee5ng cho h\u1ec7 th\u1ed1ng ph\u1ea7n c\u1ee9ng ho\u1eb7c nh\u00fang<\/p>\n

        L\u1ecbch s\u1eed, c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y ph\u1ed5 bi\u1ebfn trong k\u1ef9 thu\u1eadt ph\u1ea7n c\u1ee9ng \u0111\u1ec3 minh h\u1ecda c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n v\u1eadt l\u00fd k\u1ebft n\u1ed1i v\u1edbi nhau. Do \u0111\u00f3, c\u00e1c nh\u00f3m ph\u1ea7n m\u1ec1m th\u01b0\u1eddng coi ch\u00fang l\u00e0 kh\u00f4ng li\u00ean quan \u0111\u1ebfn ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m thu\u1ea7n t\u00fay.<\/p>\n

        S\u1ef1 th\u1eadt:<\/strong><\/p>\n

          \n
        • Microservices:<\/strong> Trong ki\u1ebfn tr\u00fac ph\u00e2n t\u00e1n, m\u1ed9t \u201cth\u00e0nh ph\u1ea7n\u201d c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n d\u1ecbch v\u1ee5. S\u01a1 \u0111\u1ed3 minh h\u1ecda c\u00e1ch c\u00e1c d\u1ecbch v\u1ee5 k\u1ebft n\u1ed1i v\u1edbi nhau b\u00ean trong m\u1ed9t ranh gi\u1edbi logic.<\/li>\n
        • Th\u01b0 vi\u1ec7n v\u00e0 Khung c\u00f4ng t\u00e1c:<\/strong> Khi x\u00e2y d\u1ef1ng m\u1ed9t th\u01b0 vi\u1ec7n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, vi\u1ec7c hi\u1ec3n th\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9 v\u00e0 c\u00e1ch ch\u00fang ph\u1ed1i h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi thi\u1ebft k\u1ebf API.<\/li>\n
        • T\u00edch h\u1ee3p ph\u1ea7n m\u1ec1m – ph\u1ea7n c\u1ee9ng:<\/strong> Ngay c\u1ea3 trong ph\u1ea7n m\u1ec1m, ranh gi\u1edbi v\u1eabn t\u1ed3n t\u1ea1i. M\u1ed9t tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n, m\u1ed9t m\u00f4-\u0111un nh\u00e2n ho\u1eb7c m\u00f4i tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i trong container \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t \u201cth\u00e0nh ph\u1ea7n\u201d v\u1edbi c\u00e1c c\u1ed5ng v\u00e0 giao di\u1ec7n c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n

          Kh\u00e1i ni\u1ec7m v\u1ec1 \u201cC\u1ea5u tr\u00fac\u201d \u00e1p d\u1ee5ng cho ph\u1ea7n m\u1ec1m c\u0169ng nhi\u1ec1u nh\u01b0 \u0111\u1ed1i v\u1edbi ph\u1ea7n c\u1ee9ng. N\u00f3 x\u00e1c \u0111\u1ecbnh topology c\u1ee7a lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n b\u00ean trong m\u1ed9t ranh gi\u1edbi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n

          \ud83d\udeab Nghi\u00eam myth 4: Giao di\u1ec7n l\u00e0 t\u00f9y ch\u1ecdn trong m\u00f4 h\u00ecnh n\u1ed9i b\u1ed9<\/h2>\n

          C\u00e1c nh\u00f3m th\u01b0\u1eddng v\u1ebd c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 k\u1ebft n\u1ed1i m\u00e0 kh\u00f4ng x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c Giao di\u1ec7n (cung c\u1ea5p ho\u1eb7c y\u00eau c\u1ea7u). H\u1ecd cho r\u1eb1ng vi\u1ec7c tri\u1ec3n khai m\u00e3 ngu\u1ed3n s\u1ebd l\u00e0m r\u00f5 m\u1ed1i li\u00ean k\u1ebft.<\/p>\n

          S\u1ef1 th\u1eadt:<\/strong><\/p>\n

            \n
          • R\u00f5 r\u00e0ng v\u1ec1 h\u1ee3p \u0111\u1ed3ng:<\/strong> M\u1ed9t Giao di\u1ec7n x\u00e1c \u0111\u1ecbnh h\u1ee3p \u0111\u1ed3ng. Kh\u00f4ng c\u00f3 n\u00f3, k\u1ebft n\u1ed1i ch\u1ec9 l\u00e0 m\u1ed9t s\u1ee3i d\u00e2y. Giao di\u1ec7n x\u00e1c \u0111\u1ecbnh c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ho\u1eb7c t\u00edn hi\u1ec7u c\u00f3 s\u1eb5n.<\/li>\n
          • T\u00e1ch r\u1eddi:<\/strong> C\u00e1c th\u00e0nh ph\u1ea7n n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o Giao di\u1ec7n, ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00e0o c\u00e1c tri\u1ec3n khai c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p thay th\u1ebf c\u00e1c th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9 m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng h\u1ec7 th\u1ed1ng.<\/li>\n
          • \u0110\u1ecbnh ngh\u0129a c\u1ed5ng:<\/strong> C\u00e1c c\u1ed5ng l\u00e0 c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i tr\u00ean b\u1ed9 ph\u00e2n lo\u1ea1i. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh ki\u1ec3u b\u1eb1ng m\u1ed9t Giao di\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ki\u1ec3u trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf.<\/li>\n<\/ul>\n

            B\u1ecf qua giao di\u1ec7n trong s\u01a1 \u0111\u1ed3 d\u1eabn \u0111\u1ebfn s\u1ef1 g\u1eafn k\u1ebft ch\u1eb7t ch\u1ebd trong m\u00e3 ngu\u1ed3n. N\u1ebfu b\u1ea1n kh\u00f4ng m\u00f4 h\u00ecnh h\u00f3a giao di\u1ec7n, kh\u1ea3 n\u0103ng cao b\u1ea1n s\u1ebd kh\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c s\u1ef1 t\u00e1ch bi\u1ec7t tr\u00e1ch nhi\u1ec7m trong tri\u1ec3n khai.<\/p>\n

            \ud83d\udeab Nghi\u00eam myth 5: Ch\u00fang thay th\u1ebf S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1<\/h2>\n

            M\u1ed9t s\u1ed1 ng\u01b0\u1eddi tin r\u1eb1ng n\u1ebfu h\u1ecd \u0111\u00e3 th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac, th\u00ec kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ec3 hi\u1ec7n h\u00e0nh vi. H\u1ecd cho r\u1eb1ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac ng\u1ee5 \u00fd c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

            S\u1ef1 th\u1eadt:<\/strong><\/p>\n

              \n
            • T\u0129nh vs. \u0110\u1ed9ng:<\/strong>S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh l\u00e0 t\u0129nh. Ch\u00fang th\u1ec3 hi\u1ec7n nh\u1eefng g\u00ec t\u1ed3n t\u1ea1i. S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 l\u00e0 \u0111\u1ed9ng. Ch\u00fang th\u1ec3 hi\u1ec7n nh\u1eefng g\u00ec x\u1ea3y ra theo th\u1eddi gian.<\/li>\n
            • H\u1ee3p t\u00e1c:<\/strong>S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac cho th\u1ea5y Ph\u1ea7n A k\u1ebft n\u1ed1i v\u1edbi Ph\u1ea7n B. S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 cho th\u1ea5y Ph\u1ea7n A g\u1eedi m\u1ed9t th\u00f4ng \u0111i\u1ec7p \u0111\u1ebfn Ph\u1ea7n B t\u1ea1i th\u1eddi \u0111i\u1ec3m T1.<\/li>\n
            • X\u00e1c minh:<\/strong>B\u1ea1n s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 \u0111\u1ec3 x\u00e1c minh h\u00e0nh vi, v\u00e0 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh \u0111\u1ec3 x\u00e1c minh ki\u1ebfn tr\u00fac h\u1ed7 tr\u1ee3 h\u00e0nh vi \u0111\u00f3.<\/li>\n<\/ul>\n

              S\u1eed d\u1ee5ng m\u1ed9t trong hai thay th\u1ebf cho nhau s\u1ebd t\u1ea1o ra nh\u1eefng \u0111i\u1ec3m m\u00f9. B\u1ea1n c\u1ea7n b\u1ea3n \u0111\u1ed3 (C\u1ea5u tr\u00fac) v\u00e0 h\u00e0nh tr\u00ecnh (Th\u1ee9 t\u1ef1) \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.<\/p>\n

              \ud83d\udcca So s\u00e1nh: L\u1edbp vs. Th\u00e0nh ph\u1ea7n vs. C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/h2>\n

              \u0110\u1ec3 l\u00e0m r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t, h\u00e3y xem x\u00e9t so s\u00e1nh sau \u0111\u00e2y v\u1ec1 c\u00e1c s\u01a1 \u0111\u1ed3 UML th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u1ea5u tr\u00fac.<\/p>\n\n\n\n\n\n\n\n
              Lo\u1ea1i s\u01a1 \u0111\u1ed3<\/strong><\/th>\nTr\u1ecdng t\u00e2m ch\u00ednh<\/strong><\/th>\nC\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh<\/strong><\/th>\nTr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/strong><\/th>\n<\/tr>\n<\/thead>\n
              S\u01a1 \u0111\u1ed3 L\u1edbp<\/strong><\/td>\nC\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng t\u0129nh<\/td>\nL\u1edbp, Thu\u1ed9c t\u00ednh, Thao t\u00e1c<\/td>\nM\u00f4 h\u00ecnh h\u00f3a mi\u1ec1n chung v\u00e0 thi\u1ebft k\u1ebf l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u<\/td>\n<\/tr>\n
              S\u01a1 \u0111\u1ed3 Th\u00e0nh ph\u1ea7n<\/strong><\/td>\nKi\u1ebfn tr\u00fac c\u1ea5p cao<\/td>\nTh\u00e0nh ph\u1ea7n, Giao di\u1ec7n, Ph\u1ee5 thu\u1ed9c<\/td>\nL\u1eadp k\u1ebf ho\u1ea1ch t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng v\u00e0 tri\u1ec3n khai<\/td>\n<\/tr>\n
              S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh<\/strong><\/td>\nTh\u00e0nh ph\u1ea7n b\u1ed9 ph\u00e2n lo\u1ea1i b\u00ean trong<\/td>\nPh\u1ea7n, Vai tr\u00f2, C\u1ed5ng, K\u1ebft n\u1ed1i<\/td>\nLogic n\u1ed9i b\u1ed9 ph\u1ee9c t\u1ea1p, thi\u1ebft k\u1ebf th\u01b0 vi\u1ec7n v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng con<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              Nh\u1eadn th\u1ea5y s\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111\u1ed9 chi ti\u1ebft. S\u01a1 \u0111\u1ed3 L\u1edbp l\u00e0 n\u1ec1n t\u1ea3ng. S\u01a1 \u0111\u1ed3 Th\u00e0nh ph\u1ea7n nh\u00ecn v\u00e0o c\u00e1c kh\u1ed1i x\u00e2y d\u1ef1ng. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh nh\u00ecn b\u00ean trong ch\u00ednh kh\u1ed1i x\u00e2y d\u1ef1ng \u0111\u00f3.<\/p>\n

              \ud83d\udee0\ufe0f Gi\u1ea3i th\u00edch c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh<\/h2>\n

              \u0110\u1ec3 s\u1eed d\u1ee5ng c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y hi\u1ec7u qu\u1ea3, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i hi\u1ec3u k\u00fd hi\u1ec7u UML c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i xu\u1ea5t hi\u1ec7n trong s\u01a1 \u0111\u1ed3.<\/p>\n

              \ud83d\udd39 Ph\u1ea7n<\/h3>\n

              M\u1ed9t ph\u1ea7n l\u00e0 m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i l\u00e0 th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh c\u1ee7a m\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i kh\u00e1c. Trong s\u01a1 \u0111\u1ed3, n\u00f3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u1ed9p b\u00ean trong h\u1ed9p b\u1ed9 ph\u00e2n lo\u1ea1i. N\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u1ea3nh gh\u00e9p trong b\u1ee9c tranh n\u1ed9i b\u1ed9.<\/p>\n

              \ud83d\udd39 Vai tr\u00f2<\/h3>\n

              M\u1ed9t vai tr\u00f2 m\u00f4 t\u1ea3 c\u00e1ch m\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. M\u1ed9t lo\u1ea1i b\u1ed9 ph\u1eadn duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn nhi\u1ec1u vai tr\u00f2 kh\u00e1c nhau. V\u00ed d\u1ee5, m\u1ed9t th\u1ec3 hi\u1ec7n c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn vai tr\u00f2 “Ng\u01b0\u1eddi \u0111\u1ecdc” trong m\u1ed9t ng\u1eef c\u1ea3nh v\u00e0 vai tr\u00f2 “Ng\u01b0\u1eddi vi\u1ebft” trong ng\u1eef c\u1ea3nh kh\u00e1c. C\u00e1c vai tr\u00f2 th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf cu\u1ed1i m\u1ed9t k\u1ebft n\u1ed1i.<\/p>\n

              \ud83d\udd39 K\u1ebft n\u1ed1i<\/h3>\n

              C\u00e1c k\u1ebft n\u1ed1i x\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0nh tr\u00ecnh gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn. Ch\u00fang \u0111\u1ea1i di\u1ec7n cho lu\u1ed3ng d\u1eef li\u1ec7u ho\u1eb7c lu\u1ed3ng \u0111i\u1ec1u khi\u1ec3n. Ch\u00fang kh\u00f4ng ch\u1ec9 k\u1ebft n\u1ed1i c\u00e1c h\u1ed9p; ch\u00fang k\u1ebft n\u1ed1i c\u00e1c vai tr\u00f2 c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ki\u1ec3u ch\u00ednh x\u00e1c.<\/p>\n

              \ud83d\udd39 C\u1ed5ng<\/h3>\n

              C\u00e1c c\u1ed5ng l\u00e0 c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng t\u00e1c n\u1eb1m tr\u00ean bi\u00ean c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i. Ch\u00fang l\u00e0 nh\u1eefng “\u1ed5 c\u1eafm” n\u01a1i c\u00e1c k\u1ebft n\u1ed1i b\u00ean ngo\u00e0i x\u1ea3y ra. M\u1ed9t b\u1ed9 ph\u00e2n lo\u1ea1i c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u c\u1ed5ng, m\u1ed7i c\u1ed5ng cung c\u1ea5p c\u00e1c giao di\u1ec7n kh\u00e1c nhau.<\/p>\n

              \ud83d\udd39 Giao di\u1ec7n<\/h3>\n

              C\u00e1c giao di\u1ec7n \u0111\u1ecbnh ngh\u0129a h\u00e0nh vi m\u00e0 kh\u00f4ng c\u1ea7n tri\u1ec3n khai. Trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh, ch\u00fang r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c h\u1ee3p \u0111\u1ed3ng gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn n\u1ed9i b\u1ed9 v\u00e0 gi\u1eefa b\u1ed9 ph\u00e2n lo\u1ea1i v\u1edbi th\u1ebf gi\u1edbi b\u00ean ngo\u00e0i.<\/p>\n

              \ud83d\udd0d Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac h\u1ee3p th\u00e0nh<\/h2>\n

              Kh\u00f4ng ph\u1ea3i d\u1ef1 \u00e1n n\u00e0o c\u0169ng c\u1ea7n \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 chi ti\u1ebft n\u00e0y. \u00c1p d\u1ee5ng m\u1ed9t c\u00e1ch b\u1eeba b\u00e3i s\u1ebd t\u1ea1o ra nhi\u1ec5u. S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 n\u00e0y khi:<\/p>\n

                \n
              • Bao \u0111\u00f3ng ph\u1ee9c t\u1ea1p:<\/strong>M\u1ed9t l\u1edbp ho\u1eb7c th\u00e0nh ph\u1ea7n qu\u1ea3n l\u00fd m\u1ed9t m\u00e1y tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi nhi\u1ec1u th\u00e0nh ph\u1ea7n con.<\/li>\n
              • T\u00edch h\u1ee3p v\u1edbi b\u00ean th\u1ee9 ba:<\/strong>B\u1ea1n \u0111ang bao b\u1ecdc m\u1ed9t th\u01b0 vi\u1ec7n ho\u1eb7c d\u1ecbch v\u1ee5 v\u00e0 c\u1ea7n th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c m\u00f4-\u0111un n\u1ed9i b\u1ed9 c\u1ee7a n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e3 c\u1ee7a b\u1ea1n.<\/li>\n
              • C\u00e1c \u0111\u01b0\u1eddng \u0111i quan tr\u1ecdng v\u1ec1 hi\u1ec7u su\u1ea5t:<\/strong>B\u1ea1n c\u1ea7n tr\u1ef1c quan h\u00f3a c\u00e1c \u0111i\u1ec3m ngh\u1ebdn lu\u1ed3ng d\u1eef li\u1ec7u b\u00ean trong m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee5 th\u1ec3.<\/li>\n
              • Ki\u1ebfn tr\u00fac \u0111a t\u1ea7ng:<\/strong>B\u1ea1n c\u1ea7n th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c l\u1edbp tr\u00ecnh b\u00e0y, logic v\u00e0 d\u1eef li\u1ec7u t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau trong m\u1ed9t \u0111\u01a1n v\u1ecb logic duy nh\u1ea5t.<\/li>\n<\/ul>\n

                N\u1ebfu m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn m\u1ee9c m\u1ed9t l\u1edbp duy nh\u1ea5t x\u1eed l\u00fd to\u00e0n b\u1ed9 logic, \u0111\u1eebng s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 n\u00e0y. \u0110\u00e2y l\u00e0 c\u00f4ng c\u1ee5 \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p.<\/p>\n

                \ud83e\udde0 C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 ki\u1ebfn tr\u00fac<\/h2>\n

                \u0110\u1ec3 khai th\u00e1c t\u1ed1i \u0111a gi\u00e1 tr\u1ecb t\u1eeb c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y, h\u00e3y tu\u00e2n theo c\u00e1c nguy\u00ean t\u1eafc ki\u1ebfn tr\u00fac sau.<\/p>\n

                1. Gi\u1eef c\u00e1c giao di\u1ec7n r\u00f5 r\u00e0ng<\/h3>\n

                Kh\u00f4ng bao gi\u1edd d\u1ef1a v\u00e0o ki\u1ebfn th\u1ee9c ng\u1ea7m. M\u1ecdi k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecbnh ki\u1ec3u b\u1eb1ng m\u1ed9t Giao di\u1ec7n. \u0110i\u1ec1u n\u00e0y bu\u1ed9c \u0111\u1ed9i ph\u00e1t tri\u1ec3n tu\u00e2n th\u1ee7 c\u00e1c h\u1ee3p \u0111\u1ed3ng.<\/p>\n

                2. T\u1ed1i thi\u1ec3u h\u00f3a \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a k\u1ebft n\u1ed1i<\/h3>\n

                N\u1ebfu m\u1ed9t k\u1ebft n\u1ed1i v\u01b0\u1ee3t qua bi\u00ean c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i, n\u00f3 s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t C\u1ed5ng. Kh\u00f4ng v\u1ebd c\u00e1c k\u1ebft n\u1ed1i n\u1ed9i b\u1ed9 \u0111i qua bi\u00ean. Gi\u1eef topology n\u1ed9i b\u1ed9 kh\u00e1c bi\u1ec7t v\u1edbi ph\u1ea7n ph\u01a1i b\u00e0y b\u00ean ngo\u00e0i.<\/p>\n

                3. Ghi ch\u00fa l\u00fd do t\u1ea1i sao<\/h3>\n

                S\u1eed d\u1ee5ng ghi ch\u00fa ho\u1eb7c ch\u00fa th\u00edch \u0111\u1ec3 gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao ch\u1ecdn c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee5 th\u1ec3. C\u00f3 ph\u1ea3i v\u00ec hi\u1ec7u su\u1ea5t? V\u00ec b\u1ea3o m\u1eadt? V\u00ec kh\u1ea3 n\u0103ng ki\u1ec3m th\u1eed? S\u01a1 \u0111\u1ed3 th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac; c\u00e1c ghi ch\u00fa gi\u1ea3i th\u00edch l\u00fd do.<\/p>\n

                4. \u0110\u1ed3ng b\u1ed9 v\u1edbi m\u00e3 ngu\u1ed3n<\/h3>\n

                S\u01a1 \u0111\u1ed3 ph\u1ea3i ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi m\u00e3 ngu\u1ed3n. N\u1ebfu c\u00e1c b\u1ed9 ph\u1eadn n\u1ed9i b\u1ed9 thay \u0111\u1ed5i, s\u01a1 \u0111\u1ed3 ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1ed7i th\u1eddi c\u00f2n t\u1ec7 h\u01a1n c\u1ea3 kh\u00f4ng c\u00f3 s\u01a1 \u0111\u1ed3 n\u00e0o.<\/p>\n

                \ud83d\udea7 Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n

                Ngay c\u1ea3 v\u1edbi nh\u1eefng \u00fd \u0111\u1ecbnh t\u1ed1t, c\u00e1c \u0111\u1ed9i th\u01b0\u1eddng v\u1ea5p ph\u1ea3i kh\u00f3 kh\u0103n khi t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh n\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn c\u1ea7n l\u01b0u \u00fd.<\/p>\n

                  \n
                • M\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c:<\/strong>V\u1ebd t\u1eebng bi\u1ebfn nh\u01b0 m\u1ed9t ph\u1ea7n. C\u00e1c ph\u1ea7n n\u00ean \u0111\u1ea1i di\u1ec7n cho c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1c bi\u1ebfn ri\u00eang l\u1ebb.<\/li>\n
                • B\u1ecf qua v\u00f2ng \u0111\u1eddi:<\/strong>Kh\u00f4ng th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c t\u1ea1o ra ho\u1eb7c h\u1ee7y b\u1ecf. M\u1eb7c d\u00f9 UML c\u00f3 h\u1ea1n ch\u1ebf \u1edf \u0111\u00e2y, nh\u01b0ng ghi ch\u00fa v\u00f2ng \u0111\u1eddi trong ch\u00fa th\u00edch s\u1ebd r\u1ea5t h\u1eefu \u00edch.<\/li>\n
                • Tr\u1ed9n l\u1eabn c\u00e1c v\u1ea5n \u0111\u1ec1:<\/strong>\u0110\u1eb7t chi ti\u1ebft h\u00e0nh vi (ph\u01b0\u01a1ng th\u1ee9c) b\u00ean trong s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac. Gi\u1eef h\u00e0nh vi trong s\u01a1 \u0111\u1ed3 Th\u1ee9 t\u1ef1 ho\u1eb7c S\u01a1 \u0111\u1ed3 Tr\u1ea1ng th\u00e1i. C\u1ea5u tr\u00fac li\u00ean quan \u0111\u1ebfn vi\u1ec7c k\u1ebft h\u1ee3p.<\/li>\n
                • B\u1ecf qua C\u1ed5ng:<\/strong>V\u1ebd c\u00e1c k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp \u0111\u1ebfn bi\u00ean gi\u1edbi c\u1ee7a b\u1ed9 ph\u00e2n lo\u1ea1i m\u00e0 kh\u00f4ng \u0111\u1ecbnh ngh\u0129a C\u1ed5ng. \u0110i\u1ec1u n\u00e0y vi ph\u1ea1m nguy\u00ean t\u1eafc \u0111\u00f3ng g\u00f3i.<\/li>\n<\/ul>\n

                  \ud83d\udca1 T\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf: C\u1ed5ng thanh to\u00e1n<\/h2>\n

                  Xem x\u00e9t m\u1ed9t th\u00e0nh ph\u1ea7n C\u1ed5ng thanh to\u00e1n. S\u01a1 \u0111\u1ed3 L\u1edbp hi\u1ec3n th\u1ecb l\u1edbpPaymentGateway<\/code> v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c nh\u01b0processPayment()<\/code> v\u00e0validateCard()<\/code>.<\/p>\n

                  S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p ti\u1ebft l\u1ed9 ki\u1ebfn tr\u00fac b\u00ean trong:<\/p>\n

                    \n
                  • Ph\u1ea7n 1:<\/strong> ValidationService<\/code> (Giao di\u1ec7n y\u00eau c\u1ea7u:CardValidator<\/code>)<\/li>\n
                  • Ph\u1ea7n 2:<\/strong> TransactionLogger<\/code> (Giao di\u1ec7n cung c\u1ea5p:LogEntry<\/code>)<\/li>\n
                  • Ph\u1ea7n 3:<\/strong> EncryptionModule<\/code> (Giao di\u1ec7n cung c\u1ea5p: B\u1ed9 m\u00e3 h\u00f3a<\/code>)<\/li>\n
                  • B\u1ed9 n\u1ed1i k\u1ebft:<\/strong>C\u00e1c li\u00ean k\u1ebft ModuleM\u00e3H\u00f3a<\/code> \u0111\u1ebfn B\u1ed9GhiGiaoD\u1ecbch<\/code> \u0111\u1ec3 ghi nh\u1eadt k\u00fd an to\u00e0n.<\/li>\n<\/ul>\n

                    B\u1ea3n xem n\u00e0y nh\u1ea5n m\u1ea1nh r\u1eb1ng logic x\u00e1c th\u1ef1c t\u00e1ch bi\u1ec7t kh\u1ecfi logic giao d\u1ecbch. N\u00f3 c\u0169ng cho th\u1ea5y m\u00e3 h\u00f3a l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ri\u00eang bi\u1ec7t. N\u1ebfu thu\u1eadt to\u00e1n m\u00e3 h\u00f3a thay \u0111\u1ed5i, ch\u1ec9 c\u1ea7n c\u1eadp nh\u1eadt ModuleM\u00e3H\u00f3a<\/code> c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, mi\u1ec5n l\u00e0 giao di\u1ec7n v\u1eabn \u1ed5n \u0111\u1ecbnh. S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y kh\u00f4ng hi\u1ec3n hi\u1ec7n trong s\u01a1 \u0111\u1ed3 L\u1edbp nh\u01b0ng l\u1ea1i r\u1ea5t quan tr\u1ecdng cho vi\u1ec7c b\u1ea3o tr\u00ec.<\/p>\n

                    \ud83d\udd17 T\u00edch h\u1ee3p v\u1edbi c\u00e1c m\u00f4 h\u00ecnh kh\u00e1c<\/h2>\n

                    S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p kh\u00f4ng t\u1ed3n t\u1ea1i trong tr\u1ed1ng r\u1ed7ng. N\u00f3 t\u00edch h\u1ee3p v\u1edbi h\u1ec7 sinh th\u00e1i m\u00f4 h\u00ecnh h\u00f3a r\u1ed9ng l\u1edbn h\u01a1n.<\/p>\n

                      \n
                    • V\u1edbi S\u01a1 \u0111\u1ed3 L\u1edbp:<\/strong> Ph\u00e2n lo\u1ea1i trong s\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong S\u01a1 \u0111\u1ed3 L\u1edbp. C\u00e1c b\u1ed9 ph\u1eadn l\u00e0 c\u00e1c l\u1edbp ho\u1eb7c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a \u1edf n\u01a1i kh\u00e1c.<\/li>\n
                    • V\u1edbi S\u01a1 \u0111\u1ed3 Th\u00e0nh ph\u1ea7n:<\/strong> M\u1ed9t S\u01a1 \u0111\u1ed3 Th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb C\u1ed5ngThanhTo\u00e1n<\/code> nh\u01b0 m\u1ed9t kh\u1ed1i duy nh\u1ea5t. S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p m\u1edf kh\u1ed1i \u0111\u00f3 ra \u0111\u1ec3 hi\u1ec3n th\u1ecb n\u1ed9i b\u1ed9.<\/li>\n
                    • V\u1edbi S\u01a1 \u0111\u1ed3 Tri\u1ec3n khai:<\/strong> N\u00f3 gi\u00fap x\u00e1c \u0111\u1ecbnh n\u01a1i c\u00e1c b\u1ed9 ph\u1eadn n\u00ean \u0111\u01b0\u1ee3c tri\u1ec3n khai. M\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean m\u00e1y c\u1ee5c b\u1ed9, trong khi nh\u1eefng b\u1ed9 ph\u1eadn kh\u00e1c ch\u1ea1y trong \u0111\u00e1m m\u00e2y.<\/li>\n<\/ul>\n

                      S\u1ef1 t\u00edch h\u1ee3p n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n. N\u1ebfu S\u01a1 \u0111\u1ed3 L\u1edbp thay \u0111\u1ed5i, S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p l\u1ec7. N\u1ebfu S\u01a1 \u0111\u1ed3 Tri\u1ec3n khai thay \u0111\u1ed5i, c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n th\u00f4ng n\u1ed9i b\u1ed9 trong S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p c\u00f3 th\u1ec3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n

                      \ud83d\udcdd T\u00f3m t\u1eaft c\u00e1c nh\u1eadn th\u1ee9c ki\u1ebfn tr\u00fac<\/h2>\n

                      S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 chuy\u00ean bi\u1ec7t \u0111\u1ec3 hi\u1ec3u s\u00e2u v\u1ec1 ki\u1ebfn tr\u00fac. N\u00f3 c\u1ea7u n\u1ed1i kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ecbnh ngh\u0129a l\u1edbp tr\u1eebu t\u01b0\u1ee3ng v\u00e0 chi ti\u1ebft tri\u1ec3n khai c\u1ee5 th\u1ec3. B\u1eb1ng c\u00e1ch l\u00e0m r\u00f5 c\u00e1c ranh gi\u1edbi n\u1ed9i b\u1ed9, n\u00f3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro li\u00ean k\u1ebft ng\u1eabu nhi\u00ean.<\/p>\n

                      C\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u1ea5p cao \u1ee7ng h\u1ed9 vi\u1ec7c s\u1eed d\u1ee5ng n\u00f3 kh\u00f4ng ph\u1ea3i nh\u01b0 m\u1ed9t t\u00e0i s\u1ea3n b\u1eaft bu\u1ed9c cho m\u1ecdi d\u1ef1 \u00e1n, m\u00e0 nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 ch\u00ednh x\u00e1c cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch, n\u00f3 n\u00e2ng cao giao ti\u1ebfp, gi\u1ea3m n\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 l\u00e0m r\u00f5 tr\u00e1ch nhi\u1ec7m c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n n\u1ed9i b\u1ed9.<\/p>\n

                      B\u1ecf qua nh\u1eefng l\u1eddi \u0111\u1ed3n th\u1ed5i. Ch\u1ea5p nh\u1eadn c\u1ea5u tr\u00fac. M\u00f4 h\u00ecnh h\u00f3a n\u1ed9i b\u1ed9 m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng v\u1eefng ch\u1eafc v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n

                      \ud83d\udcda C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n

                      S\u01a1 \u0111\u1ed3 n\u00e0y c\u00f3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng c\u1ee5 UML kh\u00f4ng?<\/h3>\n

                      H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a UML hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u h\u1ed7 tr\u1ee3 S\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac T\u1ed5ng h\u1ee3p. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 v\u1ebd s\u01a1 \u0111\u1ed3 nh\u1eb9 nh\u00e0ng c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u1ed5ng v\u00e0 vai tr\u00f2.<\/p>\n

                      T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111i\u1ec1u n\u00e0y cho c\u00e1c l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng?<\/h3>\n

                      C\u00f3, n\u1ebfu b\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a m\u1ed9t b\u1ed9 \u0111\u1ed9ng c\u01a1 c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c m\u1ed9t l\u1edbp ORM ph\u1ee9c t\u1ea1p. \u0110i\u1ec1u n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c l\u01b0\u1ee3c \u0111\u1ed3 quan h\u1ec7 \u0111\u01a1n gi\u1ea3n.<\/p>\n

                      Bi\u1ec3u \u0111\u1ed3 c\u1ea7n chi ti\u1ebft \u0111\u1ebfn m\u1ee9c n\u00e0o?<\/h3>\n

                      T\u1eadp trung v\u00e0o c\u00e1c \u0111\u01b0\u1eddng \u0111i quan tr\u1ecdng v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 gi\u00e1 tr\u1ecb cao. Kh\u00f4ng c\u1ea7n m\u00f4 h\u00ecnh h\u00f3a m\u1ecdi ph\u01b0\u01a1ng th\u1ee9c. Ch\u1ec9 m\u00f4 h\u00ecnh h\u00f3a nh\u1eefng ph\u1ea7n \u0111\u1ecbnh ngh\u0129a ki\u1ebfn tr\u00fac.<\/p>\n

                      Bi\u1ec3u \u0111\u1ed3 n\u00e0y c\u00f3 gi\u00fap \u00edch cho ki\u1ec3m th\u1eed kh\u00f4ng?<\/h3>\n

                      Tr\u1ef1c ti\u1ebfp th\u00ec kh\u00f4ng. Nh\u01b0ng b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c giao di\u1ec7n v\u00e0 c\u1ed5ng, n\u00f3 h\u1ed7 tr\u1ee3 vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c b\u1ed9 gi\u1ea3 l\u1eadp v\u00e0 m\u00f4 ph\u1ecfng cho ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n b\u00ean trong.<\/p>\n<\/h2>\n","protected":false},"excerpt":{"rendered":"

                      Khi t\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t (UML), \u00edt s\u01a1 \u0111\u1ed3 n\u00e0o g\u00e2y ra s\u1ef1 nh\u1ea7m l\u1eabn nhi\u1ec1u b\u1eb1ngS\u01a1 \u0111\u1ed3 C\u1ea5u tr\u00fac H\u1ee3p th\u00e0nh. Th\u01b0\u1eddng b\u1ecb che l\u1ea5p b\u1edfi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a S\u01a1 \u0111\u1ed3 L\u1edbp v\u00e0 S\u01a1 \u0111\u1ed3 Chu\u1ed7i, k\u00fd hi\u1ec7u tr\u1ef1c quan n\u00e0y mang s\u1ee9c m\u1ea1nh quan tr\u1ecdng […]<\/p>\n","protected":false},"author":1,"featured_media":1151,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[47,51],"class_list":["post-1150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-modeling","tag-academic","tag-composite-structure-diagram"],"yoast_head":"\nMyths About Composite Structure Diagrams Busted by Architects<\/title>\n<meta name=\"description\" content=\"Senior solution architects reveal the truth about Composite Structure Diagrams. 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