{"id":81,"date":"2026-04-09T12:35:56","date_gmt":"2026-04-09T12:35:56","guid":{"rendered":"https:\/\/www.hi-posts.com\/vn\/ooad-organizing-messy-project-requirements\/"},"modified":"2026-04-09T12:35:56","modified_gmt":"2026-04-09T12:35:56","slug":"ooad-organizing-messy-project-requirements","status":"publish","type":"post","link":"https:\/\/www.hi-posts.com\/vn\/ooad-organizing-messy-project-requirements\/","title":{"rendered":"T\u1eeb h\u1ed7n lo\u1ea1n \u0111\u1ebfn r\u00f5 r\u00e0ng: S\u1eed d\u1ee5ng Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec3 t\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u d\u1ef1 \u00e1n l\u1ed9n x\u1ed9n"},"content":{"rendered":"

C\u00e1c d\u1ef1 \u00e1n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t \u0111\u1ee3t ho\u1ea1t \u0111\u1ed9ng s\u00f4i n\u1ed5i. C\u00e1c b\u00ean li\u00ean quan chia s\u1ebb \u00fd t\u01b0\u1edfng, c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh ghi ch\u00e9p nhu c\u1ea7u, v\u00e0 c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n chu\u1ea9n b\u1ecb x\u00e2y d\u1ef1ng. Tuy nhi\u00ean, \u0111\u1ea7u v\u00e0o hi\u1ebfm khi \u0111\u1ebfn d\u01b0\u1edbi d\u1ea1ng c\u00f3 c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng. Thay v\u00e0o \u0111\u00f3, c\u00e1c y\u00eau c\u1ea7u th\u01b0\u1eddng \u0111\u1ebfn d\u01b0\u1edbi d\u1ea1ng ghi ch\u00fa r\u1eddi r\u1ea1c, c\u00e1c \u01b0u ti\u00ean m\u00e2u thu\u1eabn v\u00e0 nh\u1eefng m\u00f4 t\u1ea3 m\u01a1 h\u1ed3. T\u00ecnh tr\u1ea1ng h\u1ed7n lo\u1ea1n n\u00e0y l\u00e0 ph\u1ed5 bi\u1ebfn. Khi \u0111\u1ea7u v\u00e0o ban \u0111\u1ea7u thi\u1ebfu c\u1ea5u tr\u00fac, h\u1ec7 th\u1ed1ng k\u1ebft qu\u1ea3 tr\u1edf n\u00ean mong manh, kh\u00f3 b\u1ea3o tr\u00ec v\u00e0 d\u1ec5 th\u1ea5t b\u1ea1i. Con \u0111\u01b0\u1eddng t\u1eeb s\u1ef1 h\u1ed7n lo\u1ea1n ban \u0111\u1ea7u \u0111\u1ebfn m\u1ed9t h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh, r\u00f5 r\u00e0ng n\u1eb1m \u1edf c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 k\u1ef7 lu\u1eadt trong m\u00f4 h\u00ecnh h\u00f3a. Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD) cung c\u1ea5p con \u0111\u01b0\u1eddng \u0111\u00f3. N\u00f3 bi\u1ebfn nh\u1eefng nhu c\u1ea7u tr\u1eebu t\u01b0\u1ee3ng th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac c\u1ee5 th\u1ec3, ph\u1ea3n \u00e1nh \u0111\u00fang nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf m\u00e0 ch\u00fang gi\u1ea3i quy\u1ebft. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc OOAD mang l\u1ea1i tr\u1eadt t\u1ef1 cho c\u00e1c y\u00eau c\u1ea7u ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n

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

Hi\u1ec3u r\u00f5 th\u00e1ch th\u1ee9c: C\u00e1c y\u00eau c\u1ea7u l\u1ed9n x\u1ed9n \ud83d\udccb<\/h2>\n

Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o gi\u1ea3i ph\u00e1p, c\u1ea7n ph\u1ea3i nh\u1eadn th\u1ee9c r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a v\u1ea5n \u0111\u1ec1. Vi\u1ec7c thu th\u1eadp y\u00eau c\u1ea7u v\u1ed1n d\u0129 lu\u00f4n l\u1ed9n x\u1ed9n. C\u00e1c b\u00ean li\u00ean quan kinh doanh n\u00f3i theo c\u00e1ch c\u1ee7a k\u1ebft qu\u1ea3 v\u00e0 gi\u00e1 tr\u1ecb, trong khi c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt ngh\u0129 theo logic v\u00e0 d\u1eef li\u1ec7u. Kho\u1ea3ng c\u00e1ch n\u00e0y t\u1ea1o ra m\u00e2u thu\u1eabn. M\u1ed9t y\u00eau c\u1ea7u \u201cqu\u1ea3n l\u00fd d\u1eef li\u1ec7u kh\u00e1ch h\u00e0ng\u201d c\u00f3 th\u1ec3 mang \u00fd ngh\u0129a kh\u00e1c nhau \u0111\u1ed1i v\u1edbi m\u1ed9t nh\u00e2n vi\u00ean b\u00e1n h\u00e0ng v\u00e0 m\u1ed9t qu\u1ea3n tr\u1ecb vi\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u. Ng\u01b0\u1eddi n\u00e0y ngh\u0129 \u0111\u1ebfn danh s\u00e1ch li\u00ean h\u1ec7; ng\u01b0\u1eddi kia ngh\u0129 \u0111\u1ebfn chu\u1ea9n h\u00f3a l\u01b0\u1ee3c \u0111\u1ed3. Khi nh\u1eefng quan \u0111i\u1ec3m m\u00e2u thu\u1eabn n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c h\u00f2a gi\u1ea3i s\u1edbm, n\u1ee3 k\u1ef9 thu\u1eadt s\u1ebd t\u00edch t\u1ee5 ngay l\u1eadp t\u1ee9c.<\/p>\n

C\u00e1c y\u00eau c\u1ea7u l\u1ed9n x\u1ed9n th\u01b0\u1eddng th\u1ec3 hi\u1ec7n nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3:<\/p>\n

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  • Tr\u00f9ng l\u1eb7p:<\/strong> C\u00f9ng m\u1ed9t kh\u00e1i ni\u1ec7m xu\u1ea5t hi\u1ec7n \u1edf nhi\u1ec1u n\u01a1i v\u1edbi nh\u1eefng bi\u1ebfn th\u1ec3 nh\u1ecf.<\/li>\n
  • M\u01a1 h\u1ed3:<\/strong> C\u00e1c thu\u1eadt ng\u1eef \u0111\u01b0\u1ee3c d\u00f9ng m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ecbnh ngh\u0129a r\u00f5 r\u00e0ng.<\/li>\n
  • C\u00e1c ph\u1ee5 thu\u1ed9c \u1ea9n:<\/strong> M\u1ed9t y\u00eau c\u1ea7u ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t y\u00eau c\u1ea7u kh\u00e1c ch\u01b0a \u0111\u01b0\u1ee3c n\u00eau r\u00f5 r\u00e0ng.<\/li>\n
  • M\u1edf r\u1ed9ng ph\u1ea1m vi:<\/strong> Nh\u1eefng nhu c\u1ea7u m\u1edbi xu\u1ea5t hi\u1ec7n, m\u00e2u thu\u1eabn ho\u1eb7c m\u1edf r\u1ed9ng ph\u1ea1m vi ban \u0111\u1ea7u m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c theo d\u00f5i ch\u00ednh th\u1ee9c.<\/li>\n<\/ul>\n

    Kh\u00f4ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y, \u0111\u1ed9i ph\u00e1t tri\u1ec3n c\u00f3 nguy c\u01a1 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng h\u00f4m nay nh\u01b0ng s\u1ebd h\u1ecfng ng\u00e0y mai. OOAD gi\u1ea3i quy\u1ebft \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch bu\u1ed9c \u0111\u1ed9i ng\u0169 ph\u1ea3i x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c th\u1ef1c th\u1ec3, thu\u1ed9c t\u00ednh v\u00e0 h\u00e0nh vi c\u1ee7a ch\u00fang. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 l\u1ecdc, t\u00e1ch bi\u1ec7t c\u00e1c quy t\u1eafc kinh doanh thi\u1ebft y\u1ebfu kh\u1ecfi nh\u1eefng chi ti\u1ebft ph\u1ee5 thu\u1ed9c.<\/p>\n

    Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec? \ud83c\udfd7\ufe0f<\/h2>\n

    Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean kh\u00e1i ni\u1ec7m \u0111\u1ed1i t\u01b0\u1ee3ng. Kh\u00e1c v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ee7 t\u1ee5c t\u1eadp trung v\u00e0o c\u00e1c h\u00e0m v\u00e0 h\u00e0nh \u0111\u1ed9ng, OOAD t\u1eadp trung v\u00e0o c\u00e1c danh t\u1eeb v\u00e0 \u0111\u1ed9ng t\u1eeb trong l\u0129nh v\u1ef1c kinh doanh. N\u00f3 m\u00f4 h\u00ecnh h\u00f3a h\u1ec7 th\u1ed1ng nh\u01b0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c th\u1ef1c th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau. M\u1ed7i th\u1ef1c th\u1ec3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t kh\u00e1i ni\u1ec7m trong th\u1ebf gi\u1edbi th\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t \u0111\u01a1n h\u00e0ng, m\u1ed9t ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c m\u1ed9t s\u1ea3n ph\u1ea9m.<\/p>\n

    Quy tr\u00ecnh g\u1ed3m hai giai \u0111o\u1ea1n ri\u00eang bi\u1ec7t nh\u01b0ng ch\u1ed3ng l\u1ea5n nhau:<\/p>\n

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    1. Ph\u00e2n t\u00edch:<\/strong> Hi\u1ec3u r\u00f5 l\u0129nh v\u1ef1c v\u1ea5n \u0111\u1ec1 m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 chi ti\u1ebft tri\u1ec3n khai. Giai \u0111o\u1ea1n n\u00e0y x\u00e1c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng ph\u1ea3i l\u00e0m g\u00ec.<\/li>\n
    2. Thi\u1ebft k\u1ebf:<\/strong> X\u00e1c \u0111\u1ecbnh c\u00e1ch h\u1ec7 th\u1ed1ng s\u1ebd th\u1ef1c hi\u1ec7n \u0111i\u1ec1u \u0111\u00f3. Giai \u0111o\u1ea1n n\u00e0y x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac m\u00e3 ngu\u1ed3n v\u00e0 d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n

      B\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t hai giai \u0111o\u1ea1n n\u00e0y, c\u00e1c \u0111\u1ed9i ng\u0169 tr\u00e1nh \u0111\u01b0\u1ee3c l\u1ed7i ph\u1ed5 bi\u1ebfn l\u00e0 tr\u1ed9n l\u1eabn logic kinh doanh v\u1edbi c\u00e1c r\u00e0ng bu\u1ed9c k\u1ef9 thu\u1eadt qu\u00e1 s\u1edbm. Giai \u0111o\u1ea1n ph\u00e2n t\u00edch \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u l\u00e0 h\u1ee3p l\u00fd. Giai \u0111o\u1ea1n thi\u1ebft k\u1ebf \u0111\u1ea3m b\u1ea3o gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3. C\u00f9ng nhau, ch\u00fang t\u1ea1o th\u00e0nh b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf h\u01b0\u1edbng d\u1eabn su\u1ed1t v\u00f2ng \u0111\u1eddi d\u1ef1 \u00e1n.<\/p>\n

      Giai \u0111o\u1ea1n Ph\u00e2n t\u00edch: B\u1ea3n \u0111\u1ed3 h\u00f3a logic kinh doanh \ud83e\udded<\/h2>\n

      Giai \u0111o\u1ea1n ph\u00e2n t\u00edch l\u00e0 n\u01a1i s\u1ef1 h\u1ed7n lo\u1ea1n c\u1ee7a c\u00e1c y\u00eau c\u1ea7u b\u1eaft \u0111\u1ea7u l\u1eafng d\u1ecbu. M\u1ee5c ti\u00eau ch\u00ednh l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n ch\u00ednh v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa ch\u00fang. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u00f4 t\u1ea3 m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 m\u00e0 m\u1ed9t t\u00e1c nh\u00e2n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c trong h\u1ec7 th\u1ed1ng. N\u00f3 kh\u00f4ng m\u00f4 t\u1ea3 c\u00e1c b\u01b0\u1edbc h\u1ec7 th\u1ed1ng th\u1ef1c hi\u1ec7n, m\u00e0 ch\u1ec9 t\u1eadp trung v\u00e0o gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c t\u1ea1o ra.<\/p>\n

      H\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng li\u00ean quan \u0111\u1ebfn m\u1ed9t th\u01b0 vi\u1ec7n s\u1ed1. Y\u00eau c\u1ea7u c\u00f3 th\u1ec3 n\u00eau r\u1eb1ng \u201cNg\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 m\u01b0\u1ee3n s\u00e1ch.\u201d Trong c\u00e1ch ti\u1ebfp c\u1eadn ch\u1ee9c n\u0103ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t h\u00e0m t\u00ean l\u00e0M\u01b0\u1ee3nS\u00e1ch<\/code>. Trong c\u00e1ch ti\u1ebfp c\u1eadn h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, tr\u1ecdng t\u00e2m chuy\u1ec3n sangNg\u01b0\u1eddi d\u00f9ng<\/strong> v\u00e0S\u00e1ch<\/strong>. S\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ch\u00fang tr\u1edf th\u00e0nh \u0111i\u1ec3m t\u1eadp trung.<\/p>\n

      X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n

      \u0110\u1ec3 s\u1eafp x\u1ebfp c\u00e1c y\u00eau c\u1ea7u l\u1ed9n x\u1ed9n, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c t\u00e1c nh\u00e2n ti\u1ec1m n\u0103ng. \u0110\u00e2y l\u00e0 nh\u1eefng vai tr\u00f2 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 qu\u1ea3n tr\u1ecb vi\u00ean, kh\u00e1ch h\u00e0ng ho\u1eb7c c\u00e1c d\u1ecbch v\u1ee5 t\u1ef1 \u0111\u1ed9ng. Ti\u1ebfp theo, x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau cho t\u1eebng t\u00e1c nh\u00e2n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1i nh\u00ecn t\u1ed5ng quan c\u1ea5p cao v\u1ec1 m\u1ee5c \u0111\u00edch c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

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      • C\u00e1c t\u00e1c nh\u00e2n:<\/strong> X\u00e1c \u0111\u1ecbnh ai kh\u1edfi t\u1ea1o h\u00e0nh \u0111\u1ed9ng.<\/li>\n
      • M\u1ee5c ti\u00eau:<\/strong> X\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u m\u00e0 t\u00e1c nh\u00e2n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/li>\n
      • \u0110i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft:<\/strong> X\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec ph\u1ea3i \u0111\u00fang tr\u01b0\u1edbc khi h\u00e0nh \u0111\u1ed9ng b\u1eaft \u0111\u1ea7u.<\/li>\n
      • \u0110i\u1ec1u ki\u1ec7n h\u1eadu h\u00e0nh \u0111\u1ed9ng:<\/strong> X\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i c\u1ee7a h\u1ec7 th\u1ed1ng sau khi h\u00e0nh \u0111\u1ed9ng ho\u00e0n t\u1ea5t.<\/li>\n<\/ul>\n

        C\u1ea5u tr\u00fac n\u00e0y bu\u1ed9c c\u00e1c b\u00ean li\u00ean quan ph\u1ea3i suy ngh\u0129 v\u1ec1 b\u1ed1i c\u1ea3nh c\u1ee7a y\u00eau c\u1ea7u c\u1ee7a h\u1ecd. N\u00f3 l\u00e0m l\u1ed9 ra c\u00e1c m\u1ed1i ph\u1ee5 thu\u1ed9c \u1ea9n. V\u00ed d\u1ee5, m\u1ed9t y\u00eau c\u1ea7u v\u1ec1 “g\u1eedi th\u00f4ng b\u00e1o” c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft r\u1eb1ng “ng\u01b0\u1eddi d\u00f9ng c\u00f3 \u0111\u1ecba ch\u1ec9 email h\u1ee3p l\u1ec7”. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u n\u00e0y s\u1edbm s\u1ebd ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i logic sau n\u00e0y.<\/p>\n

        Giai \u0111o\u1ea1n thi\u1ebft k\u1ebf: C\u1ea5u tr\u00fac h\u00f3a gi\u1ea3i ph\u00e1p \ud83d\udd28<\/h2>\n

        Khi ph\u00e2n t\u00edch ho\u00e0n t\u1ea5t, giai \u0111o\u1ea1n thi\u1ebft k\u1ebf b\u1eaft \u0111\u1ea7u. \u0110\u00e2y l\u00e0 n\u01a1i c\u00e1c kh\u00e1i ni\u1ec7m tr\u1eebu t\u01b0\u1ee3ng t\u1eeb ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac c\u1ee5 th\u1ec3. \u0110\u01a1n v\u1ecb c\u1ed1t l\u00f5i c\u1ee7a thi\u1ebft k\u1ebf l\u00e0l\u1edbp<\/strong>. M\u1ed9t l\u1edbp x\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u (thu\u1ed9c t\u00ednh) v\u00e0 h\u00e0nh vi (ph\u01b0\u01a1ng th\u1ee9c) li\u00ean quan \u0111\u1ebfn m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ee5 th\u1ec3.<\/p>\n

        Trong v\u00ed d\u1ee5 th\u01b0 vi\u1ec7n, m\u1ed9tS\u00e1ch<\/code>l\u1edbp c\u00f3 th\u1ec3 c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh nh\u01b0ti\u00eau \u0111\u1ec1<\/code>, t\u00e1c gi\u1ea3<\/code>, v\u00e0tr\u1ea1ng th\u00e1i<\/code>. Thu\u1ed9c t\u00ednhtr\u1ea1ng th\u00e1i<\/code>c\u00f3 th\u1ec3 theo d\u00f5i xem cu\u1ed1n s\u00e1ch c\u00f3 s\u1eb5n hay \u0111ang \u0111\u01b0\u1ee3c m\u01b0\u1ee3n. C\u1ea5u tr\u00fac d\u1eef li\u1ec7u n\u00e0y ph\u1ea3n \u00e1nh tr\u1ef1c ti\u1ebfp c\u00e1c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong giai \u0111o\u1ea1n ph\u00e2n t\u00edch.<\/p>\n

        \u00c1nh x\u1ea1 c\u00e1c y\u00eau c\u1ea7u sang c\u00e1c l\u1edbp<\/h3>\n

        \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u00f5 r\u00e0ng, m\u1ecdi y\u00eau c\u1ea7u \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c truy xu\u1ea5t v\u1ec1 m\u1ed9t l\u1edbp ho\u1eb7c m\u1ed1i quan h\u1ec7 c\u1ee5 th\u1ec3. T\u00ednh kh\u1ea3 thi theo d\u00f5i n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec tr\u1eadt t\u1ef1. N\u1ebfu m\u1ed9t y\u00eau c\u1ea7u m\u1edbi xu\u1ea5t hi\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c ph\u1ea7n n\u00e0o trong thi\u1ebft k\u1ebf b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n

        B\u1ea3ng sau minh h\u1ecda c\u00e1ch \u00e1nh x\u1ea1 c\u00e1c y\u00eau c\u1ea7u sang c\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf:<\/p>\n\n\n\n\n\n\n\n
        Y\u00eau c\u1ea7u<\/th>\nTh\u1ef1c th\u1ec3 li\u00ean quan<\/th>\nThu\u1ed9c t\u00ednh<\/th>\nH\u00e0nh vi<\/th>\n<\/tr>\n<\/thead>\n
        Ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i x\u00e1c th\u1ef1c \u0111\u1ec3 truy c\u1eadp h\u1ec7 th\u1ed1ng<\/td>\nNg\u01b0\u1eddi d\u00f9ng<\/td>\nm\u00e3_b\u0103m_m\u1eadt_kh\u1ea9u, m\u00e3_\u0111\u0103ng_nh\u1eadp<\/td>\n\u0111\u0103ng_nh\u1eadp(), \u0111\u0103ng_xu\u1ea5t()<\/td>\n<\/tr>\n
        H\u1ec7 th\u1ed1ng ph\u1ea3i t\u00ednh to\u00e1n chi\u1ebft kh\u1ea5u<\/td>\n\u0110\u01a1n h\u00e0ng<\/td>\nt\u1ef7_l\u1ec7_chi\u1ebft_kh\u1ea5u, t\u1ed5ng_s\u1ed1_ti\u1ec1n<\/td>\nt\u00ednh_chi\u1ebft_kh\u1ea5u(), \u00e1p_d\u1ee5ng_thu\u1ebf()<\/td>\n<\/tr>\n
        Qu\u1ea3n tr\u1ecb vi\u00ean c\u00f3 th\u1ec3 xem t\u1ea5t c\u1ea3 nh\u1eadt k\u00fd ng\u01b0\u1eddi d\u00f9ng<\/td>\nQu\u1ea3n tr\u1ecb vi\u00ean, Nh\u1eadt_k\u00fd<\/td>\nth\u1eddi_gian, lo\u1ea1i_h\u00e0nh_\u0111\u1ed9ng<\/td>\nl\u1ea5y_nh\u1eadt_k\u00fd(), l\u1ecdc_nh\u1eadt_k\u00fd()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        Vi\u1ec7c \u00e1nh x\u1ea1 n\u00e0y \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf lu\u00f4n g\u1eafn li\u1ec1n v\u1edbi nhu c\u1ea7u kinh doanh. N\u00f3 ng\u0103n \u0111\u1ed9i ng\u0169 th\u00eam c\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt kh\u00f4ng ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch. N\u00f3 c\u0169ng l\u00e0m n\u1ed5i b\u1eadt nh\u1eefng kho\u1ea3ng tr\u1ed1ng n\u01a1i y\u00eau c\u1ea7u b\u1ecb thi\u1ebfu. N\u1ebfu m\u1ed9t h\u00e0nh vi \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea m\u00e0 kh\u00f4ng c\u00f3 th\u1ef1c th\u1ec3 t\u01b0\u01a1ng \u1ee9ng, \u0111\u1ed9i ng\u0169 s\u1ebd bi\u1ebft c\u1ea7n \u0111i\u1ec1u tra s\u00e2u h\u01a1n.<\/p>\n

        Nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i: N\u1ec1n t\u1ea3ng c\u1ee7a s\u1ef1 r\u00f5 r\u00e0ng \ud83e\uddf1<\/h2>\n

        Thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng d\u1ef1a tr\u00ean b\u1ed1n nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n. Nh\u1eefng nguy\u00ean t\u1eafc n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 h\u01b0\u1edbng d\u1eabn \u0111\u1ec3 t\u1ed5 ch\u1ee9c m\u00e3 ngu\u1ed3n v\u00e0 y\u00eau c\u1ea7u. Ch\u00fang gi\u00fap \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng lu\u00f4n linh ho\u1ea1t v\u00e0 d\u1ec5 hi\u1ec3u theo th\u1eddi gian.<\/p>\n

        1. Bao \u0111\u00f3ng \ud83d\udee1\ufe0f<\/h3>\n

        Bao \u0111\u00f3ng bao g\u1ed3m vi\u1ec7c gom d\u1eef li\u1ec7u v\u00e0 ph\u01b0\u01a1ng th\u1ee9c l\u1ea1i v\u1edbi nhau trong khi 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. Trong b\u1ed1i c\u1ea3nh y\u00eau c\u1ea7u, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea3o v\u1ec7 logic n\u1ed9i b\u1ed9 kh\u1ecfi s\u1ef1 can thi\u1ec7p t\u1eeb b\u00ean ngo\u00e0i. V\u00ed d\u1ee5, m\u1ed9t T\u00e0i_kho\u1ea3n_ng\u00e2n_h\u00e0ng<\/code>\u0111\u1ed1i t\u01b0\u1ee3ng kh\u00f4ng n\u00ean cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng thay \u0111\u1ed5i s\u1ed1 d\u01b0 tr\u1ef1c ti\u1ebfp. Thay v\u00e0o \u0111\u00f3, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i y\u00eau c\u1ea7u n\u1ea1p ti\u1ec1n ho\u1eb7c r\u00fat ti\u1ec1n. \u0110i\u1ec1u n\u00e0y t\u1ef1 \u0111\u1ed9ng th\u1ef1c thi c\u00e1c quy t\u1eafc kinh doanh.<\/p>\n

        Khi t\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u l\u1ed9n x\u1ed9n, bao \u0111\u00f3ng gi\u00fap t\u00e1ch bi\u1ec7t \u0111\u1ed9 ph\u1ee9c t\u1ea1p. N\u1ebfu m\u1ed9t quy t\u1eafc thay \u0111\u1ed5i, b\u1ea1n ch\u1ec9 c\u1ea7n c\u1eadp nh\u1eadt l\u1edbp c\u1ee5 th\u1ec3, ch\u1ee9 kh\u00f4ng c\u1ea7n c\u1eadp nh\u1eadt to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u r\u1ee7i ro c\u00e1c t\u00e1c \u0111\u1ed9ng kh\u00f4ng mong mu\u1ed1n.<\/p>\n

        2. Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a \ud83e\udde0<\/h3>\n

        Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a t\u1eadp trung v\u00e0o che gi\u1ea5u chi ti\u1ebft tri\u1ec3n khai ph\u1ee9c t\u1ea1p v\u00e0 ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c t\u00ednh n\u0103ng thi\u1ebft y\u1ebfu c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng. N\u00f3 cho ph\u00e9p nh\u00e0 ph\u00e1t tri\u1ec3n l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m c\u1ea5p cao m\u00e0 kh\u00f4ng b\u1ecb m\u1eafc k\u1eb9t v\u00e0o c\u00e1c chi ti\u1ebft c\u1ea5p th\u1ea5p. Trong ph\u00e2n t\u00edch y\u00eau c\u1ea7u, tr\u1eebu t\u01b0\u1ee3ng h\u00f3a gi\u00fap qu\u1ea3n l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch nh\u00f3m c\u00e1c m\u1ee5c t\u01b0\u01a1ng t\u1ef1 l\u1ea1i v\u1edbi nhau.<\/p>\n

        V\u00ed d\u1ee5, thay v\u00ec \u0111\u1ecbnh ngh\u0129a t\u1eebng lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n c\u1ee5 th\u1ec3 (xe h\u01a1i, xe t\u1ea3i, xe m\u00e1y), b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a m\u1ed9t kh\u00e1i ni\u1ec7m chung Ph\u01b0\u01a1ng_ti\u1ec7n<\/code>kh\u00e1i ni\u1ec7m. C\u00e1c lo\u1ea1i c\u1ee5 th\u1ec3 k\u1ebf th\u1eeba t\u1eeb kh\u00e1i ni\u1ec7m chung n\u00e0y. \u0110i\u1ec1u n\u00e0y l\u00e0m \u0111\u01a1n gi\u1ea3n h\u00f3a m\u00f4 h\u00ecnh y\u00eau c\u1ea7u v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 tr\u00f9ng l\u1eb7p.<\/p>\n

        3. K\u1ebf th\u1eeba \ud83c\udf3f<\/h3>\n

        K\u1ebf th\u1eeba cho ph\u00e9p m\u1ed9t l\u1edbp m\u1edbi ti\u1ebfp nh\u1eadn c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 h\u00e0nh vi c\u1ee7a m\u1ed9t l\u1edbp hi\u1ec7n c\u00f3. \u0110i\u1ec1u n\u00e0y h\u1eefu \u00edch khi x\u1eed l\u00fd c\u00e1c danh m\u1ee5c y\u00eau c\u1ea7u chia s\u1ebb c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m chung. N\u00f3 th\u00fac \u0111\u1ea9y vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng m\u00e3 ngu\u1ed3n v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n.<\/p>\n

        N\u1ebfu nhi\u1ec1u lo\u1ea1i ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u c\u00e1c quy tr\u00ecnh x\u00e1c th\u1ef1c t\u01b0\u01a1ng t\u1ef1, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecbnh ngh\u0129a m\u1ed9t l\u1edbp c\u01a1 s\u1edf AuthUser<\/code> l\u1edbp. C\u00e1c lo\u1ea1i c\u1ee5 th\u1ec3 nh\u01b0 StandardUser<\/code> v\u00e0 AdminUser<\/code> c\u00f3 th\u1ec3 k\u1ebf th\u1eeba t\u1eeb n\u00f3. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng logic b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c nh\u1ea5t qu\u00e1n tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i ng\u01b0\u1eddi d\u00f9ng m\u00e0 kh\u00f4ng c\u1ea7n l\u1eb7p l\u1ea1i m\u00e3 ngu\u1ed3n.<\/p>\n

        4. \u0110a h\u00ecnh \ud83d\udd04<\/h3>\n

        \u0110a h\u00ecnh cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 th\u1ec3 ch\u00fang l\u00e0 th\u1ec3 hi\u1ec7n c\u1ee7a l\u1edbp cha thay v\u00ec l\u1edbp th\u1ef1c s\u1ef1 c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c nhau c\u00f3 th\u1ec3 ph\u1ea3n h\u1ed3i c\u00f9ng m\u1ed9t th\u00f4ng \u0111i\u1ec7p theo c\u00e1ch kh\u00e1c nhau. Trong y\u00eau c\u1ea7u, \u0111i\u1ec1u n\u00e0y chuy\u1ec3n th\u00e0nh t\u00ednh linh ho\u1ea1t. M\u1ed9t ph\u01b0\u01a1ng th\u1ee9c processPayment<\/code> c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c thanh to\u00e1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qua th\u1ebb t\u00edn d\u1ee5ng hay chuy\u1ec3n kho\u1ea3n ng\u00e2n h\u00e0ng.<\/p>\n

        Nguy\u00ean t\u1eafc n\u00e0y cho ph\u00e9p h\u1ec7 th\u1ed1ng x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u m\u1edbi m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3. Khi m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n m\u1edbi \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u, b\u1ea1n ch\u1ec9 c\u1ea7n th\u00eam m\u1ed9t l\u1edbp m\u1edbi tri\u1ec3n khai giao di\u1ec7n thanh to\u00e1n.<\/p>\n

        X\u1eed l\u00fd \u0111\u1ed9 ph\u1ee9c t\u1ea1p: \u0110\u1ed1i ph\u00f3 v\u1edbi s\u1ef1 m\u01a1 h\u1ed3 \ud83e\udd14<\/h2>\n

        Ngay c\u1ea3 v\u1edbi OOAD, s\u1ef1 m\u01a1 h\u1ed3 v\u1eabn c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i. Y\u00eau c\u1ea7u th\u01b0\u1eddng thay \u0111\u1ed5i, v\u00e0 th\u00f4ng tin m\u1edbi xu\u1ea5t hi\u1ec7n trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n. \u0110i\u1ec1u then ch\u1ed1t l\u00e0 ph\u1ea3i c\u00f3 quy tr\u00ecnh qu\u1ea3n l\u00fd s\u1ef1 thay \u0111\u1ed5i n\u00e0y m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng c\u1ea5u tr\u00fac hi\u1ec7n c\u00f3.<\/p>\n

        M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 l\u00e0 ph\u00e2n lo\u1ea1i y\u00eau c\u1ea7u theo c\u00e1c l\u1edbp. Logic kinh doanh c\u1ed1t l\u00f5i t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng. C\u00e1c t\u00ednh n\u0103ng ph\u1ee5 n\u1eb1m \u1edf tr\u00ean. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c y\u00eau c\u1ea7u quan tr\u1ecdng nh\u1ea5t \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh. N\u1ebfu m\u1ed9t t\u00ednh n\u0103ng ph\u1ee5 thay \u0111\u1ed5i, n\u00f3 kh\u00f4ng n\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea7n c\u1ed1t l\u00f5i.<\/p>\n

        M\u1ed9t chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c l\u00e0 s\u1eed d\u1ee5ng giao di\u1ec7n. M\u1ed9t giao di\u1ec7n \u0111\u1ecbnh ngh\u0129a m\u1ed9t h\u1ee3p \u0111\u1ed3ng v\u1ec1 h\u00e0nh vi m\u00e0 kh\u00f4ng tri\u1ec3n khai n\u00f3. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng giao ti\u1ebfp v\u1edbi nhau m\u00e0 kh\u00f4ng c\u1ea7n bi\u1ebft chi ti\u1ebft n\u1ed9i b\u1ed9 c\u1ee7a nhau. N\u00f3 t\u1ea1o ra m\u1ed9t ranh gi\u1edbi b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng kh\u1ecfi s\u1ef1 thay \u0111\u1ed5i.<\/p>\n

        T\u00e1i c\u1ea5u tr\u00fac nh\u01b0 m\u1ed9t y\u00eau c\u1ea7u<\/h3>\n

        Quan tr\u1ecdng l\u00e0 xem t\u00e1i c\u1ea5u tr\u00fac kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 k\u1ef9 thu\u1eadt, m\u00e0 l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng qu\u1ea3n l\u00fd y\u00eau c\u1ea7u. Khi hi\u1ec3u bi\u1ebft v\u1ec1 l\u0129nh v\u1ef1c ng\u00e0y c\u00e0ng s\u00e2u s\u1eafc, c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng ph\u1ea3i ti\u1ebfn h\u00f3a. N\u1ebfu thi\u1ebft k\u1ebf hi\u1ec7n t\u1ea1i kh\u00f4ng c\u00f2n ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c thay \u0111\u1ed5i. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ea5t b\u1ea1i; m\u00e0 l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y giai \u0111o\u1ea1n ph\u00e2n t\u00edch ch\u01b0a ho\u00e0n t\u1ea5t.<\/p>\n

        C\u00e1c \u0111\u1ed9i n\u00ean d\u00e0nh th\u1eddi gian c\u1ee5 th\u1ec3 cho vi\u1ec7c c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac. B\u1ecf qua s\u1ef1 suy gi\u1ea3m c\u1ea5u tr\u00fac d\u1eabn \u0111\u1ebfn h\u1ec7 th\u1ed1ng tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 s\u1eeda \u0111\u1ed5i. Vi\u1ec7c xem x\u00e9t \u0111\u1ecbnh k\u1ef3 s\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi t\u00e0i li\u1ec7u y\u00eau c\u1ea7u gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c khu v\u1ef1c c\u1ea7n ch\u00fa \u00fd.<\/p>\n

        L\u1ee3i \u00edch giao ti\u1ebfp c\u1ee7a OOAD \ud83d\udde3\ufe0f<\/h2>\n

        M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh qu\u00fd gi\u00e1 nh\u1ea5t c\u1ee7a OOAD l\u00e0 kh\u1ea3 n\u0103ng th\u00fac \u0111\u1ea9y giao ti\u1ebfp. C\u00e1c s\u01a1 \u0111\u1ed3 v\u00e0 m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t ng\u00f4n ng\u1eef chung gi\u1eefa c\u00e1c b\u00ean li\u00ean quan kinh doanh v\u00e0 c\u00e1c \u0111\u1ed9i k\u1ef9 thu\u1eadt.<\/p>\n

        Khi c\u00e1c b\u00ean li\u00ean quan xem x\u00e9t m\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp, h\u1ecd c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c kh\u00e1i ni\u1ec7m c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4 h\u00ecnh tinh th\u1ea7n c\u1ee7a doanh nghi\u1ec7p hay kh\u00f4ng. N\u1ebfu h\u1ecd th\u1ea5y m\u1ed9t l\u1edbp Customer<\/code> l\u1edbp l\u01b0u tr\u1eef address<\/code>, h\u1ecd c\u00f3 th\u1ec3 x\u00e1c nh\u1eadn ngay l\u1eadp t\u1ee9c li\u1ec7u \u0111i\u1ec1u n\u00e0y c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi hi\u1ec3u bi\u1ebft c\u1ee7a h\u1ecd hay kh\u00f4ng. N\u1ebfu kh\u00f4ng, s\u1ef1 kh\u00e1c bi\u1ec7t s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n s\u1edbm.<\/p>\n

        S\u1ef1 hi\u1ec3u bi\u1ebft chung n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng m\u1eafc sai l\u1ea7m t\u1ed1n k\u00e9m. N\u00f3 c\u0169ng gi\u00fap t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh l\u00e0m quen v\u1edbi h\u1ec7 th\u1ed1ng cho c\u00e1c th\u00e0nh vi\u00ean m\u1edbi. M\u1ed9t t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t gi\u1ea3i th\u00edch h\u1ec7 th\u1ed1ng t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi h\u00e0ng gi\u1edd gi\u1ea3i th\u00edch b\u1eb1ng l\u1eddi.<\/p>\n

        Tr\u1ef1c quan h\u00f3a c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n

        C\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 th\u01b0\u1eddng l\u00e0 ph\u1ea7n g\u00e2y nh\u1ea7m l\u1eabn nh\u1ea5t trong c\u00e1c y\u00eau c\u1ea7u l\u1ed9n x\u1ed9n. OOAD l\u00e0m r\u00f5 nh\u1eefng m\u1ed1i quan h\u1ec7 n\u00e0y th\u00f4ng qua c\u00e1c k\u00fd hi\u1ec7u c\u1ee5 th\u1ec3:<\/p>\n

          \n
        • Li\u00ean k\u1ebft:<\/strong>M\u1ed9t li\u00ean k\u1ebft gi\u1eefa hai l\u1edbp.<\/li>\n
        • T\u1ed5ng h\u1ee3p:<\/strong>M\u1ed1i quan h\u1ec7 to\u00e0n th\u1ec3-ph\u1ea7n n\u01a1i c\u00e1c ph\u1ea7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp.<\/li>\n
        • Th\u00e0nh ph\u1ea7n:<\/strong>M\u1ed1i quan h\u1ec7 to\u00e0n th\u1ec3-ph\u1ea7n m\u1ea1nh m\u1ebd n\u01a1i c\u00e1c ph\u1ea7n kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n th\u1ec3.<\/li>\n
        • K\u1ebf th\u1eeba:<\/strong>M\u1ed9t m\u1ed1i quan h\u1ec7 \u201cl\u00e0-m\u1ed9t\u201d.<\/li>\n<\/ul>\n

          S\u1eed d\u1ee5ng c\u00e1c k\u00fd hi\u1ec7u n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c bu\u1ed9c \u0111\u1ed9i ng\u0169 ph\u1ea3i suy ngh\u0129 v\u1ec1 b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7. N\u00f3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo n\u01a1i c\u00e1c th\u00e0nh ph\u1ea7n ph\u1ee5 thu\u1ed9c l\u1eabn nhau qu\u00e1 ch\u1eb7t ch\u1ebd. N\u00f3 \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng khi y\u00eau c\u1ea7u ph\u00e1t tri\u1ec3n.<\/p>\n

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

          M\u1eb7c d\u00f9 OOAD r\u1ea5t m\u1ea1nh m\u1ebd, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p ph\u00e9p m\u00e0u. C\u00f3 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu l\u1ee3i \u00edch c\u1ee7a n\u00f3. Nh\u1eadn th\u1ee9c v\u1ec1 nh\u1eefng \u0111i\u1ec3m nguy hi\u1ec3m n\u00e0y gi\u00fap duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng cho d\u1ef1 \u00e1n.<\/p>\n

          Thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c<\/h3>\n

          D\u1ec5 d\u00e0ng t\u1ea1o ra nh\u1eefng c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p kh\u00f4ng c\u1ea7n thi\u1ebft. Vi\u1ec7c t\u1ea1o ra nhi\u1ec1u l\u1edbp tr\u1eebu t\u01b0\u1ee3ng cho m\u1ed9t y\u00eau c\u1ea7u \u0111\u01a1n gi\u1ea3n s\u1ebd th\u00eam g\u00e1nh n\u1eb7ng kh\u00f4ng c\u1ea7n thi\u1ebft. Thi\u1ebft k\u1ebf n\u00ean \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u00f3 th\u1ec3, nh\u01b0ng kh\u00f4ng \u0111\u01a1n gi\u1ea3n h\u01a1n m\u1ee9c c\u1ea7n thi\u1ebft. M\u1ed7i l\u1edbp v\u00e0 m\u1ed1i quan h\u1ec7 ph\u1ea3i c\u00f3 l\u00fd do r\u00f5 r\u00e0ng d\u1ef1a tr\u00ean m\u1ed9t y\u00eau c\u1ea7u.<\/p>\n

          Tr\u1eebu t\u01b0\u1ee3ng qu\u00e1 s\u1edbm<\/h3>\n

          Thi\u1ebft k\u1ebf cho nhu c\u1ea7u t\u01b0\u01a1ng lai tr\u01b0\u1edbc khi ch\u00fang t\u1ed3n t\u1ea1i l\u00e0 m\u1ed9t l\u1ed7i ph\u1ed5 bi\u1ebfn. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn c\u00e1c l\u1edbp t\u1ed5ng qu\u00e1t kh\u00f4ng ph\u00f9 h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c y\u00eau c\u1ea7u hi\u1ec7n t\u1ea1i. Thay v\u00e0o \u0111\u00f3, h\u00e3y t\u1eadp trung gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u0111ang g\u1eb7p ph\u1ea3i. H\u00e3y \u0111\u1ec3 thi\u1ebft k\u1ebf ph\u00e1t tri\u1ec3n d\u1ea7n theo khi c\u00e1c y\u00eau c\u1ea7u tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n.<\/p>\n

          B\u1ecf qua mi\u1ec1n kinh doanh<\/h3>\n

          \u0110\u00f4i khi c\u00e1c \u0111\u1ed9i t\u1eadp trung qu\u00e1 nhi\u1ec1u v\u00e0o c\u1ea5u tr\u00fac k\u1ef9 thu\u1eadt \u0111\u1ebfn m\u1ee9c m\u1ea5t \u0111i gi\u00e1 tr\u1ecb kinh doanh. M\u00f4 h\u00ecnh ph\u1ea3i ph\u1ea3n \u00e1nh doanh nghi\u1ec7p, ch\u1ee9 kh\u00f4ng ch\u1ec9 c\u00f4ng ngh\u1ec7. N\u1ebfu m\u1ed9t l\u1edbp \u0111\u1ea1i di\u1ec7n cho m\u1ed9t kh\u00e1i ni\u1ec7m k\u1ef9 thu\u1eadt thay v\u00ec kh\u00e1i ni\u1ec7m kinh doanh, \u0111i\u1ec1u \u0111\u00f3 s\u1ebd t\u1ea1o ra s\u1ef1 t\u00e1ch r\u1eddi. Lu\u00f4n ki\u1ec3m tra l\u1ea1i m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean mi\u1ec1n c\u1ee7a ng\u01b0\u1eddi li\u00ean quan.<\/p>\n

          Duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng theo th\u1eddi gian \ud83d\udd04<\/h2>\n

          C\u00f4ng vi\u1ec7c kh\u00f4ng k\u1ebft th\u00fac ngay khi thi\u1ebft k\u1ebf ho\u00e0n t\u1ea5t. Duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt li\u00ean t\u1ee5c. H\u1ec7 th\u1ed1ng s\u1ebd thay \u0111\u1ed5i, v\u00e0 thi\u1ebft k\u1ebf ph\u1ea3i thay \u0111\u1ed5i theo. Vi\u1ec7c ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 ki\u1ebfn tr\u00fac \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh v\u1eabn ch\u00ednh x\u00e1c.<\/p>\n

          C\u00e1c \u0111\u1ed9i n\u00ean khuy\u1ebfn kh\u00edch t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt \u0111\u1ed3ng b\u1ed9 v\u1edbi m\u00e3 ngu\u1ed3n. Khi m\u1ed9t l\u1edbp \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, t\u00e0i li\u1ec7u c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t b\u1ea3n ghi s\u1ed1ng \u0111\u1ed9ng v\u1ec1 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng. N\u00f3 ng\u0103n ch\u1eb7n s\u1ef1 l\u1ec7ch l\u1ea1c gi\u1eefa vi\u1ec7c m\u00e3 ngu\u1ed3n l\u00e0m v\u00e0 \u0111i\u1ec1u m\u00e0 y\u00eau c\u1ea7u n\u00f3i r\u1eb1ng n\u00f3 ph\u1ea3i l\u00e0m.<\/p>\n

          H\u1ee3p t\u00e1c l\u00e0 ch\u00eca kh\u00f3a. C\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf n\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a ra chung. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u hi\u1ec3u c\u1ea5u tr\u00fac v\u00e0 l\u00fd do \u0111\u1eb1ng sau n\u00f3. N\u00f3 ph\u00e2n b\u1ed1 ki\u1ebfn th\u1ee9c v\u00e0 ng\u0103n ng\u1eeba c\u00e1c \u0111i\u1ec3m ngh\u1ebdn n\u01a1i ch\u1ec9 m\u1ed9t ng\u01b0\u1eddi hi\u1ec3u h\u1ec7 th\u1ed1ng.<\/p>\n

          K\u1ebft lu\u1eadn v\u1ec1 c\u1ea5u tr\u00fac \ud83d\udcdd<\/h2>\n

          T\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u d\u1ef1 \u00e1n l\u1ed9n x\u1ed9n l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 then ch\u1ed1t quy\u1ebft \u0111\u1ecbnh th\u00e0nh c\u00f4ng c\u1ee7a m\u1ed9t d\u1ef1 \u00e1n ph\u1ea7n m\u1ec1m. Ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng cung c\u1ea5p m\u1ed9t khung v\u1eefng ch\u1eafc \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o c\u00e1c th\u1ef1c th\u1ec3, h\u00e0nh vi v\u00e0 m\u1ed1i quan h\u1ec7, c\u00e1c \u0111\u1ed9i c\u00f3 th\u1ec3 bi\u1ebfn s\u1ef1 m\u01a1 h\u1ed3 th\u00e0nh c\u1ea5u tr\u00fac. C\u00e1c nguy\u00ean t\u1eafc \u0111\u00f3ng g\u00f3i, tr\u1eebu t\u01b0\u1ee3ng, k\u1ebf th\u1eeba v\u00e0 \u0111a h\u00ecnh cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 m\u1edf r\u1ed9ng.<\/p>\n

          Th\u00e0nh c\u00f4ng trong l\u0129nh v\u1ef1c n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u1ebfn t\u1eeb c\u00f4ng c\u1ee5. N\u00f3 \u0111\u1ebfn t\u1eeb t\u01b0 duy k\u1ef7 lu\u1eadt. N\u00f3 \u0111\u00f2i h\u1ecfi cam k\u1ebft hi\u1ec3u s\u00e2u s\u1eafc v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi x\u00e2y d\u1ef1ng gi\u1ea3i ph\u00e1p. Khi y\u00eau c\u1ea7u r\u00f5 r\u00e0ng, con \u0111\u01b0\u1eddng tri\u1ec3n khai tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n. Khi y\u00eau c\u1ea7u l\u1ed9n x\u1ed9n, OOAD cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang. \u00c1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng v\u01b0\u1ee3t qua th\u1eed th\u00e1ch c\u1ee7a th\u1eddi gian v\u00e0 thay \u0111\u1ed5i.<\/p>\n

          B\u1eaft \u0111\u1ea7u b\u1eb1ng ph\u00e2n t\u00edch. X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n. X\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp. X\u00e1c minh c\u00e1c m\u1ed1i quan h\u1ec7. Tu\u00e2n theo quy tr\u00ecnh n\u00e0y, s\u1ef1 h\u1ed7n lo\u1ea1n s\u1ebd nh\u01b0\u1eddng ch\u1ed7 cho s\u1ef1 r\u00f5 r\u00e0ng. K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i v\u00e0 c\u00f3 th\u1ec3 th\u00edch nghi khi c\u1ea7n thi\u1ebft. \u0110\u00e2y ch\u00ednh l\u00e0 gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1 c\u1ee7a m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c t\u1ed1t trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/p>\n","protected":false},"excerpt":{"rendered":"

          C\u00e1c d\u1ef1 \u00e1n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t \u0111\u1ee3t ho\u1ea1t \u0111\u1ed9ng s\u00f4i n\u1ed5i. C\u00e1c b\u00ean li\u00ean quan chia s\u1ebb \u00fd t\u01b0\u1edfng, c\u00e1c nh\u00e0 ph\u00e2n t\u00edch kinh doanh ghi…<\/p>\n","protected":false},"author":1,"featured_media":82,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"H\u01b0\u1edbng d\u1eabn OOAD: T\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u d\u1ef1 \u00e1n l\u1ed9n x\u1ed9n \ud83e\udde9","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng mang l\u1ea1i s\u1ef1 r\u00f5 r\u00e0ng cho c\u00e1c y\u00eau c\u1ea7u ph\u1ee9c t\u1ea1p. M\u1ed9t h\u01b0\u1edbng d\u1eabn th\u1ef1c t\u1ebf v\u1ec1 c\u1ea5u tr\u00fac, logic v\u00e0 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng.","inline_featured_image":false,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[14],"tags":[6,13],"class_list":["post-81","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-object-oriented-analysis-and-design","tag-academic","tag-object-oriented-analysis-and-design"],"yoast_head":"\nH\u01b0\u1edbng d\u1eabn OOAD: T\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u d\u1ef1 \u00e1n l\u1ed9n x\u1ed9n \ud83e\udde9<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng mang l\u1ea1i s\u1ef1 r\u00f5 r\u00e0ng cho c\u00e1c y\u00eau c\u1ea7u ph\u1ee9c t\u1ea1p. 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