{"id":77,"date":"2026-04-09T15:01:48","date_gmt":"2026-04-09T15:01:48","guid":{"rendered":"https:\/\/www.hi-posts.com\/vn\/hidden-value-object-oriented-analysis-design\/"},"modified":"2026-04-09T15:01:48","modified_gmt":"2026-04-09T15:01:48","slug":"hidden-value-object-oriented-analysis-design","status":"publish","type":"post","link":"https:\/\/www.hi-posts.com\/vn\/hidden-value-object-oriented-analysis-design\/","title":{"rendered":"Gi\u00e1 tr\u1ecb \u1ea9n ch\u1ee9a c\u1ee7a Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng: T\u1ea1i sao n\u00f3 quan tr\u1ecdng h\u01a1n vi\u1ec7c vi\u1ebft m\u00e3 nhanh"},"content":{"rendered":"

Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m \u0111\u1ea7y t\u1ed1c \u0111\u1ed9, \u00e1p l\u1ef1c ph\u1ea3i \u0111\u01b0a ra c\u00e1c t\u00ednh n\u0103ng nhanh ch\u00f3ng th\u01b0\u1eddng v\u01b0\u1ee3t qua nhu c\u1ea7u l\u1eadp k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn. C\u00e1c \u0111\u1ed9i th\u01b0\u1eddng \u01b0u ti\u00ean vi\u1ebft m\u00e3 h\u01a1n l\u00e0 x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac. Tuy nhi\u00ean, c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn nh\u1eefng h\u1ec7 th\u1ed1ng mong manh, kh\u00f3 b\u1ea3o tr\u00ec. Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD) mang \u0111\u1ebfn m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd. N\u00f3 chuy\u1ec3n tr\u1ecdng t\u00e2m t\u1eeb \u0111\u1ea7u ra t\u1ee9c th\u00ec sang s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n

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\"Line<\/figure>\n<\/div>\n

Hi\u1ec3u r\u00f5 v\u1ec1 Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \ud83e\uddd0<\/h2>\n

Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng. N\u00f3 t\u1eadp trung v\u00e0o c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng thay v\u00ec c\u00e1c h\u00e0nh \u0111\u1ed9ng. C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng ch\u1ee9a c\u1ea3 d\u1eef li\u1ec7u v\u00e0 h\u00e0nh vi. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y ph\u1ea3n \u00e1nh c\u00e1c th\u1ef1c th\u1ec3 trong th\u1ebf gi\u1edbi th\u1ef1c, gi\u00fap ph\u1ea7n m\u1ec1m d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 s\u1eeda \u0111\u1ed5i h\u01a1n.<\/p>\n

Quy tr\u00ecnh th\u01b0\u1eddng bao g\u1ed3m hai giai \u0111o\u1ea1n ch\u00ednh:<\/p>\n

    \n
  • Ph\u00e2n t\u00edch:<\/strong>Hi\u1ec3u r\u00f5 h\u1ec7 th\u1ed1ng c\u1ea7n l\u00e0m g\u00ec. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u00e0 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh v\u1ec1 l\u0129nh v\u1ef1c v\u1ea5n \u0111\u1ec1.<\/li>\n
  • Thi\u1ebft k\u1ebf:<\/strong>Quy\u1ebft \u0111\u1ecbnh h\u1ec7 th\u1ed1ng s\u1ebd l\u00e0m nh\u01b0 th\u1ebf n\u00e0o. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh v\u1ec1 l\u0129nh v\u1ef1c gi\u1ea3i ph\u00e1p, x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp v\u00e0 m\u00f4 t\u1ea3 c\u00e1c t\u01b0\u01a1ng t\u00e1c.<\/li>\n<\/ul>\n

    B\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t vi\u1ec7c h\u1ec7 th\u1ed1ng l\u00e0m g\u00ec kh\u1ecfi c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n, OOAD cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n thay \u0111\u1ed5i tri\u1ec3n khai m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng ch\u1ee9c n\u0103ng. S\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ee9c t\u1ea1p.<\/p>\n

    \u1ea2o \u1ea3nh v\u1ec1 t\u1ed1c \u0111\u1ed9 \u23f3<\/h2>\n

    Nhi\u1ec1u \u0111\u1ed9i tin r\u1eb1ng b\u1ecf qua c\u00e1c giai \u0111o\u1ea1n thi\u1ebft k\u1ebf s\u1ebd ti\u1ebft ki\u1ec7m th\u1eddi gian. H\u1ecd vi\u1ebft m\u00e3 ngay l\u1eadp t\u1ee9c \u0111\u1ec3 th\u1ea5y k\u1ebft qu\u1ea3. M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y c\u1ea3m gi\u00e1c nhanh h\u01a1n ban \u0111\u1ea7u, nh\u01b0ng th\u01b0\u1eddng t\u1ea1o ra chi ph\u00ed \u1ea9n sau n\u00e0y. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 n\u1ee3 k\u1ef9 thu\u1eadt.<\/p>\n

    Khi m\u00e3 \u0111\u01b0\u1ee3c vi\u1ebft m\u00e0 kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch:<\/p>\n

      \n
    • C\u00e1c module tr\u1edf n\u00ean li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd, ngh\u0129a l\u00e0 thay \u0111\u1ed5i \u1edf m\u1ed9t khu v\u1ef1c s\u1ebd l\u00e0m h\u1ecfng c\u00e1c khu v\u1ef1c kh\u00e1c.<\/li>\n
    • Logic b\u1ecb l\u1eb7p l\u1ea1i tr\u00ean to\u00e0n b\u1ed9 c\u01a1 s\u1edf m\u00e3, d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/li>\n
    • T\u00e0i li\u1ec7u b\u1ecb thi\u1ebfu, khi\u1ebfn vi\u1ec7c \u0111\u01b0a c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi v\u00e0o h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean kh\u00f3 kh\u0103n.<\/li>\n
    • Vi\u1ec7c ki\u1ec3m th\u1eed tr\u1edf n\u00ean kh\u00f3 kh\u0103n h\u01a1n v\u00ec kh\u00f4ng c\u00f3 ranh gi\u1edbi r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n<\/ul>\n

      L\u1ee3i th\u1ebf t\u1ed1c \u0111\u1ed9 ban \u0111\u1ea7u nhanh ch\u00f3ng b\u1ecb ti\u00eau hao b\u1edfi th\u1eddi gian d\u00e0nh \u0111\u1ec3 s\u1eeda l\u1ed7i v\u00e0 t\u00e1i c\u1ea5u tr\u00fac logic b\u1ecb h\u1ecfng. B\u1eaft \u0111\u1ea7u ch\u1eadm h\u01a1n v\u1edbi OOAD th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn chu k\u1ef3 ph\u00e1t tri\u1ec3n nhanh h\u01a1n trong d\u00e0i h\u1ea1n.<\/p>\n

      C\u00e1c nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i c\u1ee7a Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \ud83e\uddf1<\/h2>\n

      OOAD hi\u1ec7u qu\u1ea3 d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc n\u1ec1n t\u1ea3ng. Nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y \u0111\u1ecbnh h\u01b0\u1edbng c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m v\u00e0 \u0111\u1ea3m b\u1ea3o n\u00f3 lu\u00f4n linh ho\u1ea1t.<\/p>\n

      1. Bao \u0111\u00f3ng<\/h3>\n

      Bao \u0111\u00f3ng k\u1ebft h\u1ee3p d\u1eef li\u1ec7u v\u00e0 ph\u01b0\u01a1ng th\u1ee9c l\u1ea1i v\u1edbi nhau. N\u00f3 h\u1ea1n ch\u1ebf truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o m\u1ed9t s\u1ed1 th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ed1i t\u01b0\u1ee3ng. \u0110i\u1ec1u n\u00e0y b\u1ea3o v\u1ec7 tr\u1ea1ng th\u00e1i n\u1ed9i b\u1ed9 kh\u1ecfi s\u1ef1 can thi\u1ec7p kh\u00f4ng mong mu\u1ed1n. Khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c \u1ea9n \u0111i, vi\u1ec7c thay \u0111\u1ed5i tri\u1ec3n khai s\u1ebd an to\u00e0n h\u01a1n.<\/p>\n

      2. Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a<\/h3>\n

      Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a \u0111\u01a1n gi\u1ea3n h\u00f3a \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch che gi\u1ea5u nh\u1eefng chi ti\u1ebft kh\u00f4ng c\u1ea7n thi\u1ebft. Ng\u01b0\u1eddi d\u00f9ng m\u1ed9t l\u1edbp ch\u1ec9 c\u1ea7n bi\u1ebft giao di\u1ec7n c\u00f4ng khai. H\u1ecd kh\u00f4ng c\u1ea7n hi\u1ec3u logic n\u1ed9i b\u1ed9. \u0110i\u1ec1u n\u00e0y gi\u1ea3m t\u1ea3i nh\u1eadn th\u1ee9c cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n l\u00e0m vi\u1ec7c tr\u00ean c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

      3. K\u1ebf th\u1eeba<\/h3>\n

      K\u1ebf th\u1eeba cho ph\u00e9p t\u1ea1o ra c\u00e1c l\u1edbp m\u1edbi d\u1ef1a tr\u00ean c\u00e1c l\u1edbp hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y th\u00fac \u0111\u1ea9y vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng m\u00e3. C\u00e1c h\u00e0nh vi chung \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u1ed9t l\u1ea7n trong l\u1edbp cha v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c l\u1edbp con chia s\u1ebb. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u s\u1ef1 tr\u00f9ng l\u1eb7p v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 t\u01b0\u01a1ng t\u1ef1.<\/p>\n

      4. \u0110a h\u00ecnh<\/h3>\n

      \u0110a h\u00ecnh cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng thu\u1ed9c c\u00e1c lo\u1ea1i kh\u00e1c nhau \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a m\u1ed9t ki\u1ec3u si\u00eau chung. S\u1ef1 linh ho\u1ea1t n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng x\u1eed l\u00fd c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i m\u00e3 g\u1ecdi ch\u00fang. \u0110i\u1ec1u n\u00e0y khi\u1ebfn h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean linh ho\u1ea1t h\u01a1n v\u1edbi nh\u1eefng thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai.<\/p>\n

      Ph\u00e2n t\u00edch so v\u1edbi Thi\u1ebft k\u1ebf: M\u1ed9t ph\u00e2n t\u00edch chi ti\u1ebft \ud83d\udcca<\/h2>\n

      Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf l\u00e0 r\u1ea5t quan tr\u1ecdng. Vi\u1ec7c nh\u1ea7m l\u1eabn hai giai \u0111o\u1ea1n n\u00e0y s\u1ebd d\u1eabn \u0111\u1ebfn ki\u1ebfn tr\u00fac k\u00e9m hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n\n\n\n
      Kh\u00eda c\u1ea1nh<\/th>\nGiai \u0111o\u1ea1n ph\u00e2n t\u00edch<\/th>\nGiai \u0111o\u1ea1n thi\u1ebft k\u1ebf<\/th>\n<\/tr>\n
      Tr\u1ecdng t\u00e2m<\/strong><\/td>\nL\u0129nh v\u1ef1c v\u1ea5n \u0111\u1ec1<\/td>\nL\u0129nh v\u1ef1c gi\u1ea3i ph\u00e1p<\/td>\n<\/tr>\n
      C\u00e2u h\u1ecfi<\/strong><\/td>\nH\u1ec7 th\u1ed1ng c\u1ea7n g\u00ec?<\/td>\nH\u1ec7 th\u1ed1ng s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3 nh\u01b0 th\u1ebf n\u00e0o?<\/td>\n<\/tr>\n
      S\u1ea3n ph\u1ea9m<\/strong><\/td>\nC\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, M\u00f4 h\u00ecnh mi\u1ec1n<\/td>\nS\u01a1 \u0111\u1ed3 l\u1edbp, S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/td>\n<\/tr>\n
      C\u00e1c b\u00ean li\u00ean quan<\/strong><\/td>\nNg\u01b0\u1eddi d\u00f9ng, Nh\u00e0 ph\u00e2n t\u00edch kinh doanh<\/td>\nL\u1eadp tr\u00ecnh vi\u00ean, Ki\u1ebfn tr\u00fac s\u01b0<\/td>\n<\/tr>\n<\/table>\n

      Trong giai \u0111o\u1ea1n ph\u00e2n t\u00edch, m\u1ee5c ti\u00eau l\u00e0 hi\u1ec3u c\u00e1c quy t\u1eafc kinh doanh. B\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n v\u00e0 m\u1ee5c ti\u00eau c\u1ee7a h\u1ecd. B\u1ea1n t\u1ea1o ra m\u1ed9t m\u00f4 h\u00ecnh mi\u1ec1n \u0111\u1ea1i di\u1ec7n cho c\u00e1c kh\u00e1i ni\u1ec7m th\u1ef1c t\u1ebf. M\u00f4 h\u00ecnh n\u00e0y \u0111\u1ed9c l\u1eadp v\u1edbi c\u00f4ng ngh\u1ec7.<\/p>\n

      Trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf, b\u1ea1n chuy\u1ec3n \u0111\u1ed5i m\u00f4 h\u00ecnh mi\u1ec1n th\u00e0nh m\u1ed9t gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt. B\u1ea1n quy\u1ebft \u0111\u1ecbnh v\u1ec1 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, thu\u1eadt to\u00e1n v\u00e0 giao th\u1ee9c truy\u1ec1n th\u00f4ng. B\u1ea1n x\u00e1c \u0111\u1ecbnh c\u00e1c giao di\u1ec7n m\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n s\u1ebd s\u1eed d\u1ee5ng. Giai \u0111o\u1ea1n n\u00e0y n\u1ed1i li\u1ec1n kho\u1ea3ng c\u00e1ch gi\u1eefa y\u00eau c\u1ea7u v\u00e0 m\u00e3 ngu\u1ed3n.<\/p>\n

      Gi\u1ea3m n\u1ee3 k\u1ef9 thu\u1eadt \ud83d\udee0\ufe0f<\/h2>\n

      N\u1ee3 k\u1ef9 thu\u1eadt t\u00edch l\u0169y khi c\u00e1c \u0111\u01b0\u1eddng t\u1eaft \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. \u0110\u00f3 l\u00e0 chi ph\u00ed c\u1ee7a vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i th\u00eam do l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p d\u1ec5 d\u00e0ng ngay b\u00e2y gi\u1edd thay v\u00ec m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn t\u1ed1t h\u01a1n nh\u01b0ng m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n.<\/p>\n

      OOAD gi\u00fap qu\u1ea3n l\u00fd kho\u1ea3n n\u1ee3 n\u00e0y b\u1eb1ng c\u00e1ch:<\/p>\n

        \n
      • Thi\u1ebft l\u1eadp c\u00e1c ti\u00eau chu\u1ea9n:<\/strong>C\u00e1c quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean v\u00e0 c\u1ea5u tr\u00fac nh\u1ea5t qu\u00e1n gi\u00fap m\u00e3 ngu\u1ed3n tr\u1edf n\u00ean d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c.<\/li>\n
      • H\u1ed7 tr\u1ee3 t\u00e1i c\u1ea5u tr\u00fac:<\/strong>C\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t s\u1ebd d\u1ec5 t\u00e1i c\u1ea5u tr\u00fac h\u01a1n. B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i logic b\u00ean trong m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00e0nh vi b\u00ean ngo\u00e0i.<\/li>\n
      • N\u00e2ng cao kh\u1ea3 n\u0103ng ki\u1ec3m th\u1eed:<\/strong>C\u00e1c th\u00e0nh ph\u1ea7n t\u00e1ch bi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m th\u1eed ri\u00eang l\u1ebb. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u1edf m\u1ecdi giai \u0111o\u1ea1n.<\/li>\n<\/ul>\n

        B\u1ecf qua OOAD th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn c\u1ea5u tr\u00fac \u0111\u01a1n th\u1ec3. Trong c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 v\u1eady, m\u1ed9t thay \u0111\u1ed5i nh\u1ecf c\u00f3 th\u1ec3 lan truy\u1ec1n qua to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng. Thi\u1ebft k\u1ebf \u0111\u00fang c\u00e1ch c\u00f4 l\u1eadp nh\u1eefng thay \u0111\u1ed5i n\u00e0y, gi\u1edbi h\u1ea1n t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n

        Vai tr\u00f2 c\u1ee7a s\u1ef1 h\u1ee3p t\u00e1c \ud83d\udc65<\/h2>\n

        Ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m l\u00e0 m\u1ed9t n\u1ed7 l\u1ef1c c\u1ee7a c\u1ea3 \u0111\u1ed9i. OOAD cung c\u1ea5p m\u1ed9t ng\u00f4n ng\u1eef chung cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n, nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 c\u00e1c b\u00ean li\u00ean quan.<\/p>\n

          \n
        • M\u00f4 h\u00ecnh tr\u1ef1c quan:<\/strong> C\u00e1c s\u01a1 \u0111\u1ed3 cho ph\u00e9p c\u00e1c th\u00e0nh vi\u00ean trong nh\u00f3m th\u1ea3o lu\u1eadn v\u1ec1 h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng b\u1ecb m\u1eafc k\u1eb9t v\u00e0o c\u00fa ph\u00e1p.<\/li>\n
        • Hi\u1ec3u bi\u1ebft chung:<\/strong> M\u1ed9t t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf r\u00f5 r\u00e0ng \u0111\u1ea3m b\u1ea3o m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u \u0111\u1ed3ng \u00fd v\u1ec1 c\u00e1ch h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
        • Chuy\u1ec3n giao ki\u1ebfn th\u1ee9c:<\/strong> Khi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n r\u1eddi \u0111i, thi\u1ebft k\u1ebf v\u1eabn t\u1ed3n t\u1ea1i. C\u00e1c th\u00e0nh vi\u00ean m\u1edbi c\u00f3 th\u1ec3 hi\u1ec3u h\u1ec7 th\u1ed1ng nhanh h\u01a1n.<\/li>\n<\/ul>\n

          Kh\u00f4ng c\u00f3 thi\u1ebft k\u1ebf r\u00f5 r\u00e0ng, ki\u1ebfn th\u1ee9c s\u1ebd b\u1ecb m\u1eafc k\u1eb9t trong \u0111\u1ea7u t\u1eebng c\u00e1 nh\u00e2n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra \u0111i\u1ec3m ngh\u1ebdn n\u01a1i ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi c\u1ee5 th\u1ec3 m\u1edbi c\u00f3 th\u1ec3 s\u1eeda \u0111\u1ed5i m\u1ed9t s\u1ed1 ph\u1ea7n nh\u1ea5t \u0111\u1ecbnh c\u1ee7a m\u00e3 ngu\u1ed3n. OOAD ph\u00e2n b\u1ed1 ki\u1ebfn th\u1ee9c n\u00e0y ra kh\u1eafp c\u1ea5u tr\u00fac c\u1ee7a ch\u00ednh h\u1ec7 th\u1ed1ng.<\/p>\n

          Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh \u26a0\ufe0f<\/h2>\n

          Ngay c\u1ea3 v\u1edbi nh\u1eefng \u00fd \u0111\u1ecbnh t\u1ed1t nh\u1ea5t, c\u00e1c nh\u00f3m v\u1eabn c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng sai OOAD. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n l\u01b0u \u00fd.<\/p>\n

            \n
          • Qu\u00e1 thi\u1ebft k\u1ebf:<\/strong> T\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p cho nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u01a1n gi\u1ea3n. Kh\u00f4ng ph\u1ea3i h\u1ec7 th\u1ed1ng n\u00e0o c\u0169ng c\u1ea7n m\u1ed9t c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p ph\u1ee9c t\u1ea1p.<\/li>\n
          • Thi\u1ebfu l\u1eadp k\u1ebf ho\u1ea1ch:<\/strong> B\u1ecf qua giai \u0111o\u1ea1n ph\u00e2n t\u00edch v\u00e0 nh\u1ea3y th\u1eb3ng v\u00e0o vi\u1ebft m\u00e3. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p gi\u1eefa y\u00eau c\u1ea7u.<\/li>\n
          • B\u1ecf qua y\u00eau c\u1ea7u:<\/strong> T\u1eadp trung qu\u00e1 nhi\u1ec1u v\u00e0o c\u00e1c m\u1eabu thi\u1ebft k\u1ebf m\u00e0 \u00edt quan t\u00e2m \u0111\u1ebfn nh\u1eefng g\u00ec ng\u01b0\u1eddi d\u00f9ng th\u1ef1c s\u1ef1 c\u1ea7n.<\/li>\n
          • Tu\u00e2n th\u1ee7 c\u1ee9ng nh\u1eafc:<\/strong> T\u1eeb ch\u1ed1i \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft k\u1ebf khi y\u00eau c\u1ea7u thay \u0111\u1ed5i. T\u00ednh linh ho\u1ea1t l\u00e0 ch\u00eca kh\u00f3a.<\/li>\n<\/ul>\n

            Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 t\u01b0\u01a1ng lai \ud83d\udcc8<\/h2>\n

            Ph\u1ea7n m\u1ec1m hi\u1ebfm khi \u0111\u1ee9ng y\u00ean. Y\u00eau c\u1ea7u thay \u0111\u1ed5i, v\u00e0 c\u01a1 s\u1edf ng\u01b0\u1eddi d\u00f9ng ng\u00e0y c\u00e0ng l\u1edbn. M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo nguy\u00ean t\u1eafc OOAD \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd s\u1ef1 ph\u00e1t tri\u1ec3n.<\/p>\n

            H\u00e3y xem x\u00e9t c\u00e1c t\u00ecnh hu\u1ed1ng sau:<\/p>\n

              \n
            • T\u00ednh n\u0103ng m\u1edbi:<\/strong> Vi\u1ec7c th\u00eam m\u1ed9t t\u00ednh n\u0103ng m\u1edbi tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n khi c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u1ed9c l\u1eadp v\u1edbi nhau.<\/li>\n
            • T\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t:<\/strong> C\u00e1c \u0111i\u1ec3m ngh\u1ebdn d\u1ec5 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n h\u01a1n trong m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t.<\/li>\n
            • Chuy\u1ec3n \u0111\u1ed5i c\u00f4ng ngh\u1ec7:<\/strong> N\u1ebfu b\u1ea1n c\u1ea7n chuy\u1ec3n \u0111\u1ed5i c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c khung c\u00f4ng ngh\u1ec7, m\u1ed9t thi\u1ebft k\u1ebf s\u1ea1ch s\u1ebd s\u1ebd l\u00e0m cho qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i tr\u1edf n\u00ean tr\u01a1n tru h\u01a1n.<\/li>\n<\/ul>\n

              Kh\u00f4ng c\u00f3 n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc, vi\u1ec7c m\u1edf r\u1ed9ng th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi ph\u1ea3i vi\u1ebft l\u1ea1i m\u1ed9t ph\u1ea7n l\u1edbn m\u00e3 ngu\u1ed3n. OOAD gi\u1ea3m thi\u1ec3u nhu c\u1ea7u vi\u1ebft l\u1ea1i b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o logic c\u1ed1t l\u00f5i \u1ed5n \u0111\u1ecbnh.<\/p>\n

              Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai \ud83d\udd04<\/h2>\n

              L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 b\u1eaft \u0111\u1ea7u \u00e1p d\u1ee5ng nh\u1eefng kh\u00e1i ni\u1ec7m n\u00e0y? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn th\u1ef1c t\u1ebf.<\/p>\n

                \n
              1. Thu th\u1eadp y\u00eau c\u1ea7u:<\/strong> N\u00f3i chuy\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c b\u00ean li\u00ean quan. Hi\u1ec3u r\u00f5 m\u1ee5c ti\u00eau kinh doanh.<\/li>\n
              2. T\u1ea1o m\u00f4 h\u00ecnh mi\u1ec1n:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3 ch\u00ednh v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<\/li>\n
              3. X\u00e1c \u0111\u1ecbnh giao di\u1ec7n:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau.<\/li>\n
              4. Tri\u1ec3n khai theo t\u1eebng b\u01b0\u1edbc:<\/strong>Vi\u1ebft m\u00e3 theo t\u1eebng b\u01b0\u1edbc nh\u1ecf, ki\u1ec3m th\u1eed th\u01b0\u1eddng xuy\u00ean.<\/li>\n
              5. Xem x\u00e9t v\u00e0 tinh ch\u1ec9nh:<\/strong>Xem x\u00e9t m\u00e3 ngu\u1ed3n th\u01b0\u1eddng xuy\u00ean theo thi\u1ebft k\u1ebf. \u0110i\u1ec1u ch\u1ec9nh khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n

                V\u00f2ng l\u1eb7p n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00e3 ngu\u1ed3n lu\u00f4n ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf. N\u00f3 ng\u0103n ch\u1eb7n vi\u1ec7c thi\u1ebft k\u1ebf tr\u1edf n\u00ean l\u1ed7i th\u1eddi khi h\u1ec7 th\u1ed1ng ph\u00e1t tri\u1ec3n.<\/p>\n

                \u0110\u01b0\u1eddng cong chi ph\u00ed thay \u0111\u1ed5i \ud83d\udcc9<\/h2>\n

                Chi ph\u00ed s\u1eeda l\u1ed7i t\u0103ng \u0111\u00e1ng k\u1ec3 khi d\u1ef1 \u00e1n ti\u1ebfn tri\u1ec3n. \u1ede giai \u0111o\u1ea1n \u0111\u1ea7u, vi\u1ec7c thay \u0111\u1ed5i l\u00e0 r\u1ebb. Sau n\u00e0y, n\u00f3 tr\u1edf n\u00ean t\u1ed1n k\u00e9m.<\/p>\n

                OOAD gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch t\u1eadp trung n\u1ed7 l\u1ef1c ngay t\u1eeb \u0111\u1ea7u. B\u1ea1n d\u00e0nh nhi\u1ec1u th\u1eddi gian thi\u1ebft k\u1ebf ban \u0111\u1ea7u \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u1ec1 sau. \u0110i\u1ec1u n\u00e0y ng\u01b0\u1ee3c l\u1ea1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u01b0\u1edbc ch\u1ea3y, n\u01a1i thi\u1ebft k\u1ebf ch\u1ec9 di\u1ec5n ra m\u1ed9t l\u1ea7n \u1edf \u0111\u1ea7u d\u1ef1 \u00e1n. Trong OOAD, thi\u1ebft k\u1ebf l\u00e0 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c, ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi d\u1ef1 \u00e1n.<\/p>\n

                B\u1eb1ng c\u00e1ch \u0111\u1ea7u t\u01b0 v\u00e0o ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf, b\u1ea1n gi\u1ea3m thi\u1ec3u l\u1ef1c c\u1ea3n khi thay \u0111\u1ed5i. B\u1ea1n t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng s\u1eb5n s\u00e0ng \u0111\u00f3n nh\u1eadn s\u1ef1 thay \u0111\u1ed5i thay v\u00ec ch\u1ed1ng l\u1ea1i n\u00f3.<\/p>\n

                \u0110o l\u01b0\u1eddng th\u00e0nh c\u00f4ng \ud83d\udccf<\/h2>\n

                L\u00e0m sao b\u1ea1n bi\u1ebft OOAD \u0111ang ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3? H\u00e3y t\u00ecm nh\u1eefng d\u1ea5u hi\u1ec7u sau:<\/p>\n

                  \n
                • T\u1ef7 l\u1ec7 l\u1ed7i gi\u1ea3m:<\/strong>\u00cdt l\u1ed7i h\u01a1n trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t.<\/li>\n
                • Chu\u1ea9n b\u1ecb nhanh h\u01a1n:<\/strong>Nh\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi nhanh ch\u00f3ng tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3.<\/li>\n
                • Chi ph\u00ed b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n:<\/strong>\u00cdt th\u1eddi gian h\u01a1n \u0111\u1ec3 s\u1eeda m\u00e3 c\u0169.<\/li>\n
                • Ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n:<\/strong>Tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/li>\n<\/ul>\n

                  Nh\u1eefng ch\u1ec9 s\u1ed1 n\u00e0y cung c\u1ea5p b\u1eb1ng ch\u1ee9ng kh\u00e1ch quan r\u1eb1ng n\u1ed7 l\u1ef1c thi\u1ebft k\u1ebf \u0111ang mang l\u1ea1i k\u1ebft qu\u1ea3. Ch\u00fang ch\u1ee9ng minh cho s\u1ef1 \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u v\u00e0o l\u1eadp k\u1ebf ho\u1ea1ch.<\/p>\n

                  Suy ngh\u0129 cu\u1ed1i c\u00f9ng v\u1ec1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng \ud83c\udf31<\/h2>\n

                  Vi\u1ebft m\u00e3 ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u00f4ng vi\u1ec7c. X\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ec1n v\u1eefng \u0111\u00f2i h\u1ecfi s\u1ef1 suy ngh\u0129 v\u00e0 c\u1ea5u tr\u00fac. Ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3. \u0110i\u1ec1u n\u00e0y kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 l\u00e0m ch\u1eadm l\u1ea1i. M\u00e0 l\u00e0 \u0111i \u0111\u00fang h\u01b0\u1edbng.<\/p>\n

                  C\u00e1c \u0111\u1ed9i nh\u00f3m \u01b0u ti\u00ean thi\u1ebft k\u1ebf h\u01a1n t\u1ed1c \u0111\u1ed9 th\u01b0\u1eddng s\u1ebd \u1edf v\u1ecb th\u1ebf t\u1ed1t h\u01a1n theo th\u1eddi gian. H\u1ecd x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng b\u1ec1n b\u1ec9, d\u1ec5 hi\u1ec3u v\u00e0 linh ho\u1ea1t. \u0110\u00e2y ch\u00ednh l\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1 c\u1ee7a OOAD.<\/p>\n

                  T\u1eadp trung v\u00e0o ki\u1ebfn tr\u00fac. T\u00f4n tr\u1ecdng \u0111\u1ed9 ph\u1ee9c t\u1ea1p. \u0110\u1ea7u t\u01b0 v\u00e0o m\u00f4 h\u00ecnh. M\u00e3 ngu\u1ed3n s\u1ebd theo sau.<\/p>\n","protected":false},"excerpt":{"rendered":"

                  Trong th\u1ebf gi\u1edbi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m \u0111\u1ea7y t\u1ed1c \u0111\u1ed9, \u00e1p l\u1ef1c ph\u1ea3i \u0111\u01b0a ra c\u00e1c t\u00ednh n\u0103ng nhanh ch\u00f3ng th\u01b0\u1eddng v\u01b0\u1ee3t qua nhu c\u1ea7u l\u1eadp k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn.…<\/p>\n","protected":false},"author":1,"featured_media":78,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Gi\u00e1 tr\u1ecb \u1ea9n gi\u1ea5u c\u1ee7a OOAD: T\u1ea1i sao thi\u1ebft k\u1ebf v\u01b0\u1ee3t qua t\u1ed1c \u0111\u1ed9 \ud83e\udde0","_yoast_wpseo_metadesc":"Kh\u00e1m ph\u00e1 l\u00fd do t\u1ea1i sao Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD) ti\u1ebft ki\u1ec7m th\u1eddi gian l\u00e2u d\u00e0i. 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