{"id":11652,"date":"2026-05-29T16:14:47","date_gmt":"2026-05-29T08:14:47","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/vn\/mastering-object-oriented-design-a-practical-case-study-in-order-processing-systems-using-uml-class-diagrams\/"},"modified":"2026-05-30T13:33:50","modified_gmt":"2026-05-30T05:33:50","slug":"mastering-object-oriented-design-a-practical-case-study-in-order-processing-systems-using-uml-class-diagrams","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/vn\/mastering-object-oriented-design-a-practical-case-study-in-order-processing-systems-using-uml-class-diagrams\/","title":{"rendered":"Th\u00e0nh th\u1ea1o Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng: M\u1ed9t nghi\u00ean c\u1ee9u th\u1ef1c t\u1ebf v\u1ec1 H\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 l\u1edbp UML"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u<\/strong><\/h2>\n

Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng nh\u01b0 hi\u1ec7n nay, kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u kinh doanh ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd, d\u1ec5 b\u1ea3o tr\u00ec v\u1eabn l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng then ch\u1ed1t. S\u01a1 \u0111\u1ed3 l\u1edbp UML \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng trong thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng, cung c\u1ea5p cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 b\u00ean li\u00ean quan m\u1ed9t b\u1ea3n ph\u00e1c h\u1ecda tr\u1ef1c quan v\u1ec1 ki\u1ebfn tr\u00fac h\u1ec7 th\u1ed1ng.<\/p>\n

\"Case<\/p>\n

Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00e1m ph\u00e1 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a s\u01a1 \u0111\u1ed3 l\u1edbp UML th\u00f4ng qua vi\u1ec7c ph\u00e1t tri\u1ec3n m\u1ed9t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng to\u00e0n di\u1ec7n, minh ch\u1ee9ng cho c\u00e1ch c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch gi\u1eefa nhu c\u1ea7u kinh doanh v\u00e0 tri\u1ec3n khai k\u1ef9 thu\u1eadt. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch m\u1ed9t t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf, ch\u00fang ta s\u1ebd l\u00e0m r\u00f5 nh\u1eefng nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i khi\u1ebfn s\u01a1 \u0111\u1ed3 l\u1edbp tr\u1edf th\u00e0nh c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 ph\u1ea7n m\u1ec1m, nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 chuy\u00ean vi\u00ean ph\u00e2n t\u00edch kinh doanh.<\/p>\n

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Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: Tri\u1ec3n khai H\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng doanh nghi\u1ec7p<\/strong><\/h2>\n

1. B\u1ed1i c\u1ea3nh d\u1ef1 \u00e1n v\u00e0 ng\u1eef c\u1ea3nh kinh doanh<\/strong><\/h3>\n

Th\u00f4ng tin c\u00f4ng ty:<\/strong>\u00a0GlobalTrade Solutions, m\u1ed9t c\u00f4ng ty ph\u00e2n ph\u1ed1i quy m\u00f4 trung b\u00ecnh ho\u1ea1t \u0111\u1ed9ng theo m\u00f4 h\u00ecnh B2B v\u00e0 B2C, c\u1ea7n hi\u1ec7n \u0111\u1ea1i h\u00f3a h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng c\u0169 k\u1ef9. C\u00f4ng ty ph\u1ee5c v\u1ee5 hai ph\u00e2n kh\u00fac kh\u00e1ch h\u00e0ng kh\u00e1c nhau: kh\u00e1ch h\u00e0ng doanh nghi\u1ec7p c\u00f3 t\u00e0i kho\u1ea3n t\u00edn d\u1ee5ng v\u00e0 kh\u00e1ch h\u00e0ng c\u00e1 nh\u00e2n thanh to\u00e1n b\u1eb1ng th\u1ebb t\u00edn d\u1ee5ng.<\/p>\n

Th\u00e1ch th\u1ee9c kinh doanh:<\/strong>\u00a0H\u1ec7 th\u1ed1ng hi\u1ec7n t\u1ea1i thi\u1ebfu linh ho\u1ea1t trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c lo\u1ea1i kh\u00e1ch h\u00e0ng kh\u00e1c nhau, kh\u00f4ng c\u00f3 c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c t\u00edn d\u1ee5ng ph\u00f9 h\u1ee3p, v\u00e0 kh\u00f4ng th\u1ec3 theo d\u00f5i hi\u1ec7u qu\u1ea3 c\u00e1c m\u1ee5c \u0111\u01a1n h\u00e0ng c\u0169ng nh\u01b0 m\u1ed1i quan h\u1ec7 gi\u1eefa s\u1ea3n ph\u1ea9m. \u0110\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n \u0111\u01b0\u1ee3c giao nhi\u1ec7m v\u1ee5 t\u1ea1o ra m\u1ed9t gi\u1ea3i ph\u00e1p c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng, d\u1ec5 b\u1ea3o tr\u00ec, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1t tri\u1ec3n kinh doanh trong t\u01b0\u01a1ng lai.<\/p>\n

2. Ph\u00e2n t\u00edch y\u00eau c\u1ea7u<\/strong><\/h3>\n

Y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng:<\/strong><\/h4>\n
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  • \n

    X\u1eed l\u00fd \u0111\u01a1n h\u00e0ng t\u1eeb c\u1ea3 kh\u00e1ch h\u00e0ng doanh nghi\u1ec7p v\u00e0 c\u00e1 nh\u00e2n<\/p>\n<\/li>\n

  • \n

    X\u00e1c th\u1ef1c \u0111i\u1ec3m t\u00edn d\u1ee5ng kh\u00e1ch h\u00e0ng tr\u01b0\u1edbc khi ph\u00ea duy\u1ec7t \u0111\u01a1n h\u00e0ng<\/p>\n<\/li>\n

  • \n

    Th\u1ef1c thi quy t\u1eafc thanh to\u00e1n tr\u01b0\u1edbc \u0111\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng c\u00f3 \u0111i\u1ec3m t\u00edn d\u1ee5ng k\u00e9m<\/p>\n<\/li>\n

  • \n

    Theo d\u00f5i t\u1eebng m\u1ee5c h\u00e0ng ri\u00eang l\u1ebb trong m\u1ed7i \u0111\u01a1n h\u00e0ng<\/p>\n<\/li>\n

  • \n

    Duy tr\u00ec danh m\u1ee5c s\u1ea3n ph\u1ea9m k\u00e8m th\u00f4ng tin gi\u00e1 c\u1ea3<\/p>\n<\/li>\n

  • \n

    H\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd quan h\u1ec7 kh\u00e1ch h\u00e0ng th\u00f4ng qua c\u00e1c \u0111\u1ea1i di\u1ec7n b\u00e1n h\u00e0ng \u0111\u01b0\u1ee3c ph\u00e2n c\u00f4ng<\/p>\n<\/li>\n<\/ul>\n

    Y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng:<\/strong><\/h4>\n
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    • \n

      H\u1ec7 th\u1ed1ng ph\u1ea3i d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng cho c\u00e1c lo\u1ea1i kh\u00e1ch h\u00e0ng m\u1edbi<\/p>\n<\/li>\n

    • \n

      C\u00e1c quy t\u1eafc kinh doanh ph\u1ea3i \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a r\u00f5 r\u00e0ng v\u00e0 c\u00f3 th\u1ec3 th\u1ef1c thi<\/p>\n<\/li>\n

    • \n

      To\u00e0n v\u1eb9n d\u1eef li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c m\u1ed1i quan h\u1ec7<\/p>\n<\/li>\n<\/ul>\n

      3. Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 l\u1edbp UML<\/strong><\/h3>\n

      \u0110\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n \u0111\u00e3 ch\u1ecdn s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp UML nh\u01b0 t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf ch\u00ednh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch h\u1ecd ti\u1ebfp c\u1eadn vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a:<\/p>\n

      \"\"<\/p>\n

      3.1 X\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp c\u1ed1t l\u00f5i<\/strong><\/h4>\n

      L\u1edbp \u0110\u01a1n h\u00e0ng:<\/strong><\/p>\n

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      • \n

        M\u1ee5c \u0111\u00edch:<\/strong>\u00a0\u0110\u1ed1i t\u01b0\u1ee3ng trung t\u00e2m \u0111\u1ea1i di\u1ec7n cho c\u00e1c \u0111\u01a1n h\u00e0ng c\u1ee7a kh\u00e1ch h\u00e0ng<\/p>\n<\/li>\n

      • \n

        Thu\u1ed9c t\u00ednh ch\u00ednh:<\/strong><\/p>\n

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        • \n

          dateReceived: Ng\u00e0y[0..1]<\/code>\u00a0\u2013 Ng\u00e0y \u0111\u1eb7t h\u00e0ng t\u00f9y ch\u1ecdn<\/p>\n<\/li>\n

        • \n

          isPrepaid: Boolean[1]<\/code>\u00a0\u2013 Tr\u1ea1ng th\u00e1i thanh to\u00e1n tr\u01b0\u1edbc b\u1eaft bu\u1ed9c<\/p>\n<\/li>\n

        • \n

          number: String[1]<\/code>\u00a0\u2013 M\u00e3 \u0111\u1ecbnh danh \u0111\u01a1n h\u00e0ng duy nh\u1ea5t<\/p>\n<\/li>\n

        • \n

          price: Money<\/code>\u00a0\u2013 T\u1ed5ng gi\u00e1 tr\u1ecb \u0111\u01a1n h\u00e0ng<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

        • \n

          Thao t\u00e1c:<\/strong><\/p>\n

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            dispatch()<\/code>\u00a0\u2013 Kh\u1edfi t\u1ea1o vi\u1ec7c th\u1ef1c hi\u1ec7n \u0111\u01a1n h\u00e0ng<\/p>\n<\/li>\n

          • \n

            close()<\/code>\u00a0\u2013 Ho\u00e0n t\u1ea5t qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            Ph\u00e2n c\u1ea5p kh\u00e1ch h\u00e0ng:<\/strong>
            \n\u0110\u1ed9i ng\u0169 \u0111\u00e3 x\u00e1c \u0111\u1ecbnh nhu c\u1ea7u x\u1eed l\u00fd kh\u00e1ch h\u00e0ng \u0111a h\u00ecnh th\u00f4ng qua k\u1ebf th\u1eeba:<\/p>\n

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            • \n

              L\u1edbp kh\u00e1ch h\u00e0ng tr\u1eebu t\u01b0\u1ee3ng:<\/strong><\/p>\n

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                name[1]<\/code>\u00a0\u2013 T\u00ean kh\u00e1ch h\u00e0ng b\u1eaft bu\u1ed9c<\/p>\n<\/li>\n

              • \n

                address[0..1]<\/code>\u00a0\u2013 \u0110\u1ecba ch\u1ec9 t\u00f9y ch\u1ecdn<\/p>\n<\/li>\n

              • \n

                getCreditRating(): String<\/code>\u00a0\u2013 Tr\u1ea3 v\u1ec1 \u0111\u00e1nh gi\u00e1 t\u00edn d\u1ee5ng<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

              • \n

                Kh\u00e1ch h\u00e0ng doanh nghi\u1ec7p (l\u1edbp con):<\/strong><\/p>\n

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                  Thu\u1ed9c t\u00ednh b\u1ed5 sung:\u00a0contactName<\/code>,\u00a0creditRating<\/code>,\u00a0creditLimit<\/code><\/p>\n<\/li>\n

                • \n

                  Thao t\u00e1c:\u00a0billForMonth(Integer)<\/code>,\u00a0nh\u1eafc()<\/code><\/p>\n<\/li>\n

                • \n

                  M\u1ed1i quan h\u1ec7: Li\u00ean k\u1ebft v\u1edbi Nh\u00e2n vi\u00ean (\u0111\u1ea1i di\u1ec7n b\u00e1n h\u00e0ng) v\u1edbi b\u1ed9i s\u1ed1 0..1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n

                • \n

                  Kh\u00e1ch h\u00e0ng c\u00e1 nh\u00e2n (l\u1edbp con):<\/strong><\/p>\n

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                    Thu\u1ed9c t\u00ednh b\u1ed5 sung:\u00a0s\u1ed1 th\u1ebb t\u00edn d\u1ee5ng<\/code><\/p>\n<\/li>\n

                  • \n

                    R\u00e0ng bu\u1ed9c:\u00a0{getCreditRating() == \"k\u00e9m\"}<\/code>\u00a0\u2013 X\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t cho t\u00edn d\u1ee5ng k\u00e9m<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

                    3.2 M\u00f4 h\u00ecnh h\u00f3a m\u1ed1i quan h\u1ec7<\/strong><\/h4>\n

                    Li\u00ean k\u1ebft: \u0110\u01a1n h\u00e0ng – Kh\u00e1ch h\u00e0ng<\/strong><\/p>\n

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                      B\u1ed9i s\u1ed1:<\/strong>\u00a0M\u1ed9t Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u0111\u1eb7t nhi\u1ec1u \u0110\u01a1n h\u00e0ng (*), nh\u01b0ng m\u1ed7i \u0110\u01a1n h\u00e0ng ch\u1ec9 thu\u1ed9c v\u1ec1 \u0111\u00fang m\u1ed9t Kh\u00e1ch h\u00e0ng (1)<\/p>\n<\/li>\n

                    • \n

                      \u0110i\u1ec1u h\u01b0\u1edbng:<\/strong>\u00a0Li\u00ean k\u1ebft hai chi\u1ec1u cho ph\u00e9p truy v\u1ea5n t\u1eeb c\u1ea3 hai h\u01b0\u1edbng<\/p>\n<\/li>\n

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                      Quy t\u1eafc kinh doanh:<\/strong>\u00a0R\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi l\u1ecbch s\u1eed \u0111\u01a1n h\u00e0ng kh\u00e1ch h\u00e0ng v\u00e0 qu\u1ea3n l\u00fd t\u00e0i kho\u1ea3n<\/p>\n<\/li>\n<\/ul>\n

                      Th\u00e0nh ph\u1ea7n: \u0110\u01a1n h\u00e0ng – Chi ti\u1ebft \u0111\u01a1n h\u00e0ng<\/strong><\/p>\n

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                        B\u1ed9i s\u1ed1:<\/strong>\u00a0M\u1ed9t \u0110\u01a1n h\u00e0ng ch\u1ee9a nhi\u1ec1u Chi ti\u1ebft \u0111\u01a1n h\u00e0ng (*), m\u1ed7i Chi ti\u1ebft \u0111\u01a1n h\u00e0ng ch\u1ec9 thu\u1ed9c v\u1ec1 \u0111\u00fang m\u1ed9t \u0110\u01a1n h\u00e0ng (1)<\/p>\n<\/li>\n

                      • \n

                        R\u00e0ng bu\u1ed9c:<\/strong>\u00a0{\u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp}<\/code>\u00a0\u2013 C\u00e1c m\u1ee5c h\u00e0ng duy tr\u00ec th\u1ee9 t\u1ef1<\/p>\n<\/li>\n

                      • \n

                        T\u00ean vai tr\u00f2:<\/strong>\u00a0c\u00e1c m\u1ee5c h\u00e0ng<\/code>\u00a0\u2013 \u0110\u1eb7t t\u00ean m\u00f4 t\u1ea3 \u0111\u1ec3 r\u00f5 r\u00e0ng<\/p>\n<\/li>\n<\/ul>\n

                        Li\u00ean k\u1ebft: Chi ti\u1ebft \u0111\u01a1n h\u00e0ng – S\u1ea3n ph\u1ea9m<\/strong><\/p>\n

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                          B\u1ed9i s\u1ed1:<\/strong>\u00a0Nhi\u1ec1u Chi ti\u1ebft \u0111\u01a1n h\u00e0ng c\u00f3 th\u1ec3 tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t S\u1ea3n ph\u1ea9m (* \u0111\u1ebfn 1)<\/p>\n<\/li>\n

                        • \n

                          Kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u01b0\u1edbng:<\/strong>\u00a0H\u01b0\u1edbng \u0111\u01a1n t\u1eeb OrderLine sang Product<\/p>\n<\/li>\n

                        • \n

                          M\u1ee5c \u0111\u00edch:<\/strong>\u00a0Li\u00ean k\u1ebft s\u1ed1 l\u01b0\u1ee3ng \u0111\u1eb7t h\u00e0ng v\u1edbi danh m\u1ee5c s\u1ea3n ph\u1ea9m<\/p>\n<\/li>\n<\/ul>\n

                          T\u1ed5ng qu\u00e1t h\u00f3a: Th\u1ee9 b\u1eadc kh\u00e1ch h\u00e0ng<\/strong><\/p>\n

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                            M\u1eabu:<\/strong>\u00a0K\u1ebf th\u1eeba t\u1eeb Customer tr\u1eebu t\u01b0\u1ee3ng sang Customer doanh nghi\u1ec7p v\u00e0 Customer c\u00e1 nh\u00e2n c\u1ee5 th\u1ec3<\/p>\n<\/li>\n

                          • \n

                            L\u1ee3i \u00edch:<\/strong>\u00a0Cho ph\u00e9p h\u00e0nh vi \u0111a h\u00ecnh v\u00e0 t\u00e1i s\u1eed d\u1ee5ng m\u00e3 ngu\u1ed3n<\/p>\n<\/li>\n

                          • \n

                            Thay th\u1ebf Liskov:<\/strong>\u00a0B\u1ea5t k\u1ef3 lo\u1ea1i kh\u00e1ch h\u00e0ng n\u00e0o c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf n\u01a1i m\u00e0 Customer \u0111\u01b0\u1ee3c mong \u0111\u1ee3i<\/p>\n<\/li>\n<\/ul>\n

                            3.3 C\u00e1c r\u00e0ng bu\u1ed9c v\u00e0 quy t\u1eafc kinh doanh<\/strong><\/h4>\n

                            \u0110\u1ed9i ng\u0169 \u0111\u00e3 m\u00e3 h\u00f3a logic kinh doanh quan tr\u1ecdng tr\u1ef1c ti\u1ebfp v\u00e0o s\u01a1 \u0111\u1ed3:<\/p>\n

                            R\u00e0ng bu\u1ed9c 1: Thanh to\u00e1n tr\u01b0\u1edbc d\u1ef1a tr\u00ean t\u00edn d\u1ee5ng<\/strong><\/p>\n

                            {n\u1ebfu Order.customer.getCreditRating l\u00e0 \"k\u00e9m\" th\u00ec Order.isPrepaid ph\u1ea3i l\u00e0 true}\r\n<\/code><\/pre>\n
                            R\u00e0ng bu\u1ed9c ki\u1ec3u OCL n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u00e1ch h\u00e0ng c\u00f3 t\u00edn d\u1ee5ng k\u00e9m ph\u1ea3i thanh to\u00e1n tr\u01b0\u1edbc \u0111\u01a1n h\u00e0ng, gi\u1ea3m thi\u1ec3u r\u1ee7i ro t\u00e0i ch\u00ednh.<\/p>\n
                            R\u00e0ng bu\u1ed9c 2: X\u00e1c th\u1ef1c x\u1ebfp h\u1ea1ng t\u00edn d\u1ee5ng<\/strong><\/p>\n
                            {getCreditRating() == \"k\u00e9m\"}\r\n<\/code><\/pre>\n
                            \u00c1p d\u1ee5ng cho Kh\u00e1ch h\u00e0ng c\u00e1 nh\u00e2n, k\u00edch ho\u1ea1t c\u00e1c quy tr\u00ecnh x\u00e1c th\u1ef1c b\u1ed5 sung.<\/p>\n
                            3.4 C\u00e1c quy\u1ebft \u0111\u1ecbnh v\u1ec1 b\u1ed9i s\u1ed1 v\u00e0 c\u1ea5p \u0111\u1ed9 quan h\u1ec7<\/strong><\/h4>\n
                            \u0110\u1ed9i ng\u0169 \u0111\u00e3 c\u00e2n nh\u1eafc c\u1ea9n tr\u1ecdng c\u00e1c c\u1ea5p \u0111\u1ed9 quan h\u1ec7:<\/p>\n
                              \n
                            • \n
                              *Kh\u00e1ch h\u00e0ng \u0111\u1ebfn \u0110\u01a1n h\u00e0ng (1 \u0111\u1ebfn\u00a0):<\/em>\u00a0M\u1ed9t kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i m\u00e0 kh\u00f4ng c\u00f3 \u0111\u01a1n h\u00e0ng (0..*), nh\u01b0ng th\u01b0\u1eddng \u0111\u1eb7t nhi\u1ec1u \u0111\u01a1n h\u00e0ng theo th\u1eddi gian<\/p>\n<\/li>\n
                            • \n
                              *\u0110\u01a1n h\u00e0ng \u0111\u1ebfn OrderLine (1 \u0111\u1ebfn\u00a0):<\/em>\u00a0M\u1ed7i \u0111\u01a1n h\u00e0ng ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t m\u1ed9t m\u1ee5c chi ti\u1ebft<\/p>\n<\/li>\n
                            • \n
                              OrderLine \u0111\u1ebfn Product (\u00a0\u0111\u1ebfn 1):<\/em>* Nhi\u1ec1u m\u1ee5c chi ti\u1ebft c\u00f3 th\u1ec3 tham chi\u1ebfu \u0111\u1ebfn c\u00f9ng m\u1ed9t s\u1ea3n ph\u1ea9m (c\u00e1c \u0111\u01a1n h\u00e0ng kh\u00e1c nhau ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng kh\u00e1c nhau)<\/p>\n<\/li>\n
                            • \n
                              Kh\u00e1ch h\u00e0ng doanh nghi\u1ec7p \u0111\u1ebfn Nh\u00e2n vi\u00ean (\u00a0\u0111\u1ebfn 0..1):<\/em>* T\u00e0i kho\u1ea3n doanh nghi\u1ec7p c\u00f3 th\u1ec3 ho\u1eb7c kh\u00f4ng c\u00f3 \u0111\u1ea1i di\u1ec7n b\u00e1n h\u00e0ng \u0111\u01b0\u1ee3c g\u00e1n<\/p>\n<\/li>\n<\/ul>\n
                              4. Chi\u1ebfn l\u01b0\u1ee3c tri\u1ec3n khai<\/strong><\/h3>\n
                              Giai \u0111o\u1ea1n 1: C\u00e1c l\u1edbp mi\u1ec1n c\u1ed1t l\u00f5i<\/strong><\/h4>\n
                              \u0110\u1ed9i ph\u00e1t tri\u1ec3n \u01b0u ti\u00ean tri\u1ec3n khai c\u00e1c l\u1edbp Customer v\u00e0 Order, thi\u1ebft l\u1eadp n\u1ec1n t\u1ea3ng cho t\u1ea5t c\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng kinh doanh.<\/p>\n
                              Giai \u0111o\u1ea1n 2: Qu\u1ea3n l\u00fd m\u1ed1i quan h\u1ec7<\/strong><\/h4>\n
                              Tri\u1ec3n khai m\u00e3 qu\u1ea3n l\u00fd li\u00ean k\u1ebft, \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n tham chi\u1ebfu gi\u1eefa c\u00e1c \u0111\u01a1n h\u00e0ng, chi ti\u1ebft \u0111\u01a1n h\u00e0ng v\u00e0 s\u1ea3n ph\u1ea9m.<\/p>\n
                              Giai \u0111o\u1ea1n 3: Th\u1ef1c thi r\u00e0ng bu\u1ed9c<\/strong><\/h4>\n
                              M\u00e3 h\u00f3a c\u00e1c quy t\u1eafc kinh doanh th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng th\u1ee9c x\u00e1c th\u1ef1c v\u00e0 r\u00e0ng bu\u1ed9c c\u01a1 s\u1edf d\u1eef li\u1ec7u, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng th\u1ef1c thi c\u00e1c quy t\u1eafc x\u1ebfp h\u1ea1ng t\u00edn d\u1ee5ng.<\/p>\n
                              Giai \u0111o\u1ea1n 4: T\u00ednh n\u0103ng m\u1edf r\u1ed9ng<\/strong><\/h4>\n
                              T\u1eadn d\u1ee5ng c\u1ea5u tr\u00fac t\u1ed5ng qu\u00e1t \u0111\u1ec3 d\u1ec5 d\u00e0ng th\u00eam c\u00e1c lo\u1ea1i kh\u00e1ch h\u00e0ng m\u1edbi (v\u00ed d\u1ee5: GovernmentCustomer, InternationalCustomer) m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3.<\/p>\n
                              5. B\u00e0i h\u1ecdc r\u00fat ra v\u00e0 c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong><\/h3>\n
                              1. Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean r\u00f5 r\u00e0ng:<\/strong>
                              \nS\u1eed d\u1ee5ng c\u00e1c t\u00ean vai tr\u00f2 m\u00f4 t\u1ea3 nh\u01b0\u00a0lineItems<\/code>\u00a0thay v\u00ec c\u00e1c t\u00ean chung chung \u0111\u00e3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc v\u00e0 b\u1ea3o tr\u00ec m\u00e3 ngu\u1ed3n.<\/p>\n
                              2. T\u00e0i li\u1ec7u r\u00e0ng bu\u1ed9c:<\/strong>
                              \nCh\u00e8n c\u00e1c quy t\u1eafc kinh doanh tr\u1ef1c ti\u1ebfp v\u00e0o s\u01a1 \u0111\u1ed3 \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c h\u00e0nh vi quan tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n
                              3. Tr\u1eebu t\u01b0\u1ee3ng ph\u00f9 h\u1ee3p:<\/strong>
                              \nS\u1ef1 t\u1ed5ng qu\u00e1t h\u00f3a Customer cho ph\u00e9p \u0111\u1ed9i ng\u0169 x\u1eed l\u00fd ch\u1ee9c n\u0103ng chung \u0111\u1ed3ng th\u1eddi h\u1ed7 tr\u1ee3 c\u00e1c h\u00e0nh vi \u0111\u1eb7c th\u00f9 theo lo\u1ea1i.<\/p>\n
                              4. S\u1ed1 l\u01b0\u1ee3ng quan h\u1ec7 c\u00f3 \u00fd ngh\u0129a:<\/strong>
                              \nS\u1ef1 c\u00e2n nh\u1eafc c\u1ea9n th\u1eadn v\u1ec1 t\u00ednh b\u1ed9i s\u1ed1 \u0111\u00e3 ng\u0103n ch\u1eb7n c\u00e1c l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u01b0 b\u1ea3n ghi b\u1ecb b\u1ecf r\u01a1i ho\u1eb7c m\u1ed1i quan h\u1ec7 kh\u00f4ng h\u1ee3p l\u1ec7.<\/p>\n
                              5. H\u01b0\u1edbng \u0111i\u1ec1u h\u01b0\u1edbng:<\/strong>
                              \nC\u00e1c li\u00ean k\u1ebft m\u1ed9t chi\u1ec1u (OrderLine \u0111\u1ebfn Product) gi\u1ea3m \u0111\u1ed9\u8026 h\u1ee3p khi \u0111i\u1ec1u h\u01b0\u1edbng hai chi\u1ec1u kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n
                              6. K\u1ebft qu\u1ea3 h\u1ec7 th\u1ed1ng<\/strong><\/h3>\n
                              Sau khi tri\u1ec3n khai, GlobalTrade Solutions \u0111\u1ea1t \u0111\u01b0\u1ee3c:<\/p>\n
                                \n
                              • \n
                                Gi\u1ea3m 40%<\/strong>\u00a0trong l\u1ed7i x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng<\/p>\n<\/li>\n
                              • \n
                                Nhanh h\u01a1n 60%<\/strong>\u00a0vi\u1ec7c \u0111\u01b0a v\u00e0o ho\u1ea1t \u0111\u1ed9ng c\u00e1c lo\u1ea1i kh\u00e1ch h\u00e0ng m\u1edbi<\/p>\n<\/li>\n
                              • \n
                                C\u1ea3i thi\u1ec7n qu\u1ea3n l\u00fd r\u1ee7i ro t\u00edn d\u1ee5ng<\/strong>\u00a0th\u00f4ng qua vi\u1ec7c th\u1ef1c thi r\u00e0ng bu\u1ed9c t\u1ef1 \u0111\u1ed9ng<\/p>\n<\/li>\n
                              • \n
                                D\u1ec5 b\u1ea3o tr\u00ec h\u01a1n<\/strong>\u00a0v\u1edbi s\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c v\u1ea5n \u0111\u1ec1<\/p>\n<\/li>\n
                              • \n
                                Giao ti\u1ebfp t\u1ed1t h\u01a1n v\u1edbi c\u00e1c b\u00ean li\u00ean quan<\/strong>\u00a0th\u00f4ng qua m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan<\/p>\n<\/li>\n<\/ul>\n
                                \n
                                K\u1ebft lu\u1eadn<\/strong><\/h2>\n
                                Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p n\u00e0y cho th\u1ea5y s\u01a1 \u0111\u1ed3 l\u1edbp UML kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 c\u00e1c b\u00e0i t\u1eadp h\u1ecdc thu\u1eadt\u2014ch\u00fang l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 th\u1ef1c t\u1ebf, m\u1ea1nh m\u1ebd \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m b\u1ec1n v\u1eefng. V\u00ed d\u1ee5 v\u1ec1 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng minh h\u1ecda c\u00e1ch \u00e1p d\u1ee5ng c\u00f3 ch\u1ee7 \u00fd c\u00e1c l\u1edbp, m\u1ed1i quan h\u1ec7, kh\u00e1i qu\u00e1t h\u00f3a v\u00e0 r\u00e0ng bu\u1ed9c c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u kinh doanh ph\u1ee9c t\u1ea1p th\u00e0nh m\u1ed9t ki\u1ebfn tr\u00fac r\u00f5 r\u00e0ng v\u00e0 c\u00f3 th\u1ec3 tri\u1ec3n khai.<\/p>\n
                                Nh\u1eefng b\u00e0i h\u1ecdc ch\u00ednh t\u1eeb nghi\u00ean c\u1ee9u n\u00e0y bao g\u1ed3m:<\/p>\n
                                  \n
                                1. \n
                                  Giao ti\u1ebfp tr\u1ef1c quan:<\/strong>\u00a0S\u01a1 \u0111\u1ed3 l\u1edbp t\u1ea1o c\u1ea7u n\u1ed1i gi\u1eefa c\u00e1c b\u00ean li\u00ean quan k\u1ef9 thu\u1eadt v\u00e0 phi k\u1ef9 thu\u1eadt, cung c\u1ea5p m\u1ed9t ng\u00f4n ng\u1eef chung \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 c\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng.<\/p>\n<\/li>\n
                                2. \n
                                  Th\u1ef1c thi quy t\u1eafc kinh doanh:<\/strong>\u00a0C\u00e1c r\u00e0ng bu\u1ed9c v\u00e0 b\u1ed9i s\u1ed1 kh\u00f4ng ch\u1ec9 l\u00e0 t\u00e0i li\u1ec7u\u2014ch\u00fang l\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho logic x\u00e1c th\u1ef1c, ng\u0103n ng\u1eeba l\u1ed7i x\u1ea3y ra tr\u01b0\u1edbc khi ch\u00fang x\u1ea3y ra.<\/p>\n<\/li>\n
                                3. \n
                                  T\u00ednh linh ho\u1ea1t trong thi\u1ebft k\u1ebf:<\/strong>\u00a0Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang \u0111\u1eafn kh\u00e1i qu\u00e1t h\u00f3a v\u00e0 tr\u1eebu t\u01b0\u1ee3ng t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n theo nhu c\u1ea7u kinh doanh thay \u0111\u1ed5i m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i t\u00e1i c\u1ea5u tr\u00fac l\u1edbn.<\/p>\n<\/li>\n
                                4. \n
                                  Gi\u1ea3m thi\u1ec3u r\u1ee7i ro:<\/strong>\u00a0M\u00f4 h\u00ecnh h\u00f3a c\u00e1c m\u1ed1i quan h\u1ec7 v\u00e0 r\u00e0ng bu\u1ed9c t\u1eeb \u0111\u1ea7u gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n tr\u01b0\u1edbc khi tri\u1ec3n khai t\u1ed1n k\u00e9m b\u1eaft \u0111\u1ea7u.<\/p>\n<\/li>\n
                                5. \n
                                  N\u1ec1n t\u1ea3ng cho th\u00e0nh c\u00f4ng:<\/strong>\u00a0M\u1ed9t s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng cho c\u00e1c l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u, h\u1ee3p \u0111\u1ed3ng API v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m th\u1eed, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n xuy\u00ean su\u1ed1t v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n.<\/p>\n<\/li>\n<\/ol>\n
                                  Khi c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m ti\u1ebfp t\u1ee5c gia t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p, vi\u1ec7c t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp r\u00f5 r\u00e0ng v\u00e0 ch\u00ednh x\u00e1c v\u1eabn l\u00e0 k\u1ef9 n\u0103ng thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 \u0111\u1ed9i ng\u0169 ph\u00e1t tri\u1ec3n n\u00e0o. Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p v\u1ec1 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng ch\u1ee9ng minh r\u1eb1ng vi\u1ec7c d\u00e0nh th\u1eddi gian cho m\u00f4 h\u00ecnh h\u00f3a \u0111\u00fang \u0111\u1eafn s\u1ebd mang l\u1ea1i l\u1ee3i \u00edch r\u00f5 r\u1ec7t trong vi\u1ec7c gi\u1ea3m l\u1ed7i, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u00e0 r\u00fat ng\u1eafn chu k\u1ef3 ph\u00e1t tri\u1ec3n. D\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p hay c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01a1n gi\u1ea3n, nh\u1eefng nguy\u00ean t\u1eafc \u0111\u01b0\u1ee3c minh h\u1ecda \u1edf \u0111\u00e2y cung c\u1ea5p con \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn s\u1ef1 xu\u1ea5t s\u1eafc trong thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"
                                  Gi\u1edbi thi\u1ec7u Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng nh\u01b0 hi\u1ec7n nay, kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u kinh doanh ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd, d\u1ec5 b\u1ea3o tr\u00ec v\u1eabn l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng then ch\u1ed1t. S\u01a1 \u0111\u1ed3 l\u1edbp UML \u0111\u00f3ng vai tr\u00f2 n\u1ec1n t\u1ea3ng […]<\/p>\n","protected":false},"author":1,"featured_media":11653,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-11652","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","loop-entry","clr"],"yoast_head":"\nTh\u00e0nh th\u1ea1o Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng: M\u1ed9t nghi\u00ean c\u1ee9u th\u1ef1c t\u1ebf v\u1ec1 H\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 l\u1edbp UML - Visual Paradigm Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.visual-paradigm.com\/vn\/mastering-object-oriented-design-a-practical-case-study-in-order-processing-systems-using-uml-class-diagrams\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Th\u00e0nh th\u1ea1o Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng: M\u1ed9t nghi\u00ean c\u1ee9u th\u1ef1c t\u1ebf v\u1ec1 H\u1ec7 th\u1ed1ng x\u1eed l\u00fd \u0111\u01a1n h\u00e0ng s\u1eed d\u1ee5ng S\u01a1 \u0111\u1ed3 l\u1edbp UML - Visual Paradigm Blog\" \/>\n<meta property=\"og:description\" content=\"Gi\u1edbi thi\u1ec7u Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m \u0111ang thay \u0111\u1ed5i nhanh ch\u00f3ng nh\u01b0 hi\u1ec7n nay, kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u kinh doanh ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd, d\u1ec5 b\u1ea3o tr\u00ec v\u1eabn l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng then ch\u1ed1t. 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