{"id":11662,"date":"2026-05-22T14:44:14","date_gmt":"2026-05-22T06:44:14","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/vn\/structuring-system-behavior-a-practical-guide-to-uml-use-case-relationships\/"},"modified":"2026-05-30T14:22:23","modified_gmt":"2026-05-30T06:22:23","slug":"structuring-system-behavior-a-practical-guide-to-uml-use-case-relationships","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/vn\/structuring-system-behavior-a-practical-guide-to-uml-use-case-relationships\/","title":{"rendered":"C\u1ea5u tr\u00fac H\u00e0nh vi H\u1ec7 th\u1ed1ng: H\u01b0\u1edbng d\u1eabn Th\u1ef1c ti\u1ec5n v\u1ec1 C\u00e1c M\u1ed1i quan h\u1ec7 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng UML"},"content":{"rendered":"
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Gi\u1edbi thi\u1ec7u<\/h2>\n

Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m l\u00e0 ch\u1ec9 danh s\u00e1ch t\u00ednh n\u0103ng \u0111\u01a1n thu\u1ea7n ho\u1eb7c b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh d\u1ef1 \u00e1n c\u1ea5p cao. Tr\u00ean th\u1ef1c t\u1ebf, ch\u00fang \u0111\u00f3ng vai tr\u00f2 nh\u01b0\u00a0khung x\u01b0\u01a1ng ki\u1ebfn tr\u00fac<\/strong>. Khi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1ch, c\u00e1c m\u1ed1i quan h\u1ec7 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00f4ng ch\u1ec9 li\u1ec7t k\u00ea nh\u1eefng g\u00ec h\u1ec7 th\u1ed1ng c\u1ea7n l\u00e0m; ch\u00fang t\u00edch c\u1ef1c ph\u00e2n t\u00e1ch c\u00e1c h\u00e0nh vi ph\u1ee9c t\u1ea1p th\u00e0nh c\u00e1c m\u00f4-\u0111un d\u1ec5 qu\u1ea3n l\u00fd, t\u00e1i s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c v\u00e0 c\u00f3 t\u00ednh h\u1ee3p l\u00fd logic. S\u1ef1 r\u00f5 r\u00e0ng v\u1ec1 c\u1ea5u tr\u00fac n\u00e0y t\u1ea1o ra s\u1ef1 li\u00ean k\u1ebft gi\u1eefa k\u1ef3 v\u1ecdng c\u1ee7a c\u00e1c b\u00ean li\u00ean quan v\u00e0 vi\u1ec7c th\u1ef1c thi ph\u00e1t tri\u1ec3n, \u0111\u1ea3m b\u1ea3o t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf chi ti\u1ebft lu\u00f4n d\u1ec5 b\u1ea3o tr\u00ec, kh\u00f4ng m\u01a1 h\u1ed3 v\u00e0 \u0111\u1ed3ng b\u1ed9 v\u1edbi h\u00e0nh vi th\u1ef1c t\u1ebf t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ea1y.<\/p>\n

Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch t\u1eadn d\u1ee5ng ba m\u1ed1i quan h\u1ec7 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ed1t l\u00f5i c\u1ee7a UML 2.0\u2014<<include>><\/code>, T\u1ed5ng qu\u00e1t h\u00f3a, v\u00e0\u00a0<<extend>><\/code>\u2014\u0111\u1ec3 ki\u1ebfn tr\u00fac m\u1ed9t n\u1ec1n t\u1ea3ng doanh nghi\u1ec7p c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng. Th\u00f4ng qua c\u00e1c v\u00ed d\u1ee5 th\u1ef1c ti\u1ec5n, b\u1ea3n \u0111\u1ed3 h\u00f3a t\u00e0i li\u1ec7u v\u0103n b\u1ea3n v\u00e0 c\u00e1c h\u01b0\u1edbng d\u1eabn \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng trong ng\u00e0nh, ch\u00fang t\u00f4i s\u1ebd minh h\u1ecda c\u00e1ch c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y bi\u1ebfn c\u00e1c t\u00e0i li\u1ec7u y\u00eau c\u1ea7u r\u1ea3i r\u00e1c th\u00e0nh nh\u1eefng b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf g\u1ecdn g\u00e0ng, s\u1eb5n s\u00e0ng cho nh\u00e0 ph\u00e1t tri\u1ec3n.<\/p>\n<\/div>\n

\"Structuring<\/p>\n

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B\u1ed1i c\u1ea3nh Nghi\u00ean c\u1ee9u Tr\u01b0\u1eddng h\u1ee3p: N\u1ec1n t\u1ea3ng Horizon<\/h2>\n

\u0110\u1ec3 \u0111\u01b0a c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y v\u00e0o th\u1ef1c t\u1ebf, ch\u00fang ta s\u1ebd xem x\u00e9t thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac c\u1ee7a\u00a0N\u1ec1n t\u1ea3ng Horizon<\/strong>, m\u1ed9t h\u1ec7 th\u1ed1ng c\u1ea5p doanh nghi\u1ec7p ch\u1ecbu tr\u00e1ch nhi\u1ec7m qu\u1ea3n l\u00fd t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng, quy tr\u00ecnh t\u1ea1o n\u1ed9i dung v\u00e0 x\u00e1c th\u1ef1c danh t\u00ednh b\u00ean ngo\u00e0i. Khi y\u00eau c\u1ea7u m\u1edf r\u1ed9ng, \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt \u0111\u00e3 \u0111\u1ed1i m\u1eb7t v\u1edbi hai th\u00e1ch th\u1ee9c then ch\u1ed1t:<\/p>\n

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  1. \n

    D\u01b0 th\u1eeba t\u00e0i li\u1ec7u:<\/strong>\u00a0C\u00e1c b\u01b0\u1edbc ki\u1ec3m tra l\u1eb7p l\u1ea1i v\u00e0 x\u1eed l\u00fd l\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c sao ch\u00e9p d\u00e1n qua h\u00e0ng ch\u1ee5c t\u00e0i li\u1ec7u ch\u1ee9c n\u0103ng.<\/p>\n<\/li>\n

  2. \n

    C\u00e1c bi\u1ebfn th\u1ec3 m\u01a1 h\u1ed3:<\/strong>\u00a0C\u00e1c lo\u1ea1i t\u00e0i kho\u1ea3n chuy\u00ean bi\u1ec7t v\u00e0 c\u00e1c \u0111\u01b0\u1eddng \u0111i th\u1ea5t b\u1ea1i \u0111i\u1ec1u ki\u1ec7n b\u1ecb tr\u1ed9n l\u1eabn, d\u1eabn \u0111\u1ebfn m\u1edf r\u1ed9ng ph\u1ea1m vi v\u00e0 tri\u1ec3n khai kh\u00f4ng nh\u1ea5t qu\u00e1n.<\/p>\n<\/li>\n<\/ol>\n

    B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c m\u1ed1i quan h\u1ec7 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c, \u0111\u1ed9i ng\u0169 \u0111\u00e3 gi\u1ea3i quy\u1ebft c\u1ea3 hai v\u1ea5n \u0111\u1ec1 n\u00e0y. C\u00e1c ph\u1ea7n ti\u1ebfp theo s\u1ebd chi ti\u1ebft c\u00e1ch t\u1eebng m\u1ed1i quan h\u1ec7 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, tr\u1ef1c quan h\u00f3a v\u00e0 t\u00e0i li\u1ec7u h\u00f3a.<\/p>\n

    \n

    1. M\u1ed1i quan h\u1ec7\u00a0<<include>><\/code>\u00a0M\u1ed1i quan h\u1ec7: Th\u00fac \u0111\u1ea9y Vi\u1ec7c T\u00e1i S\u1eed D\u1ee5ng H\u00e0nh Vi<\/h2>\n

    M\u1ee5c \u0111\u00edch & C\u01a1 ch\u1ebf<\/h3>\n

    M\u1ed1i quan h\u1ec7\u00a0<<include>><\/code>\u00a0t\u1ed3n t\u1ea1i \u0111\u1ec3\u00a0lo\u1ea1i b\u1ecf s\u1ef1 tr\u00f9ng l\u1eb7p<\/strong>. Khi nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng chia s\u1ebb c\u00e1c b\u01b0\u1edbc quy tr\u00ecnh gi\u1ed1ng nhau, nh\u1eefng b\u01b0\u1edbc n\u00e0y \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t v\u00e0o m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng con \u0111\u1ed9c l\u1eadp. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf s\u1ebd bao g\u1ed3m r\u00f5 r\u00e0ng h\u00e0nh vi chung n\u00e0y, \u0111\u1ea3m b\u1ea3o c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c bao g\u1ed3m lu\u00f4n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a lu\u1ed3ng ch\u00ednh.<\/p>\n

    Quan tr\u1ecdng l\u00e0, tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m kh\u00f4ng c\u1ea7n c\u00f3 m\u1ed1i li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi t\u00e1c nh\u00e2n. N\u00f3 t\u1ef1 \u0111\u1ed9ng k\u1ebf th\u1eeba k\u1ebft n\u1ed1i ng\u1eef c\u1ea3nh t\u1eeb b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf n\u00e0o g\u1ecdi \u0111\u1ebfn n\u00f3, gi\u00fap s\u01a1 \u0111\u1ed3 lu\u00f4n s\u1ea1ch s\u1ebd v\u00e0 t\u1eadp trung v\u00e0o m\u1ee5c ti\u00eau kinh doanh thay v\u00ec chi ti\u1ebft tri\u1ec3n khai.<\/p>\n

    Tr\u1ef1c quan h\u00f3a b\u1eb1ng PlantUML<\/h3>\n

    Trong PlantUML, m\u1ed9t m\u0169i t\u00ean ph\u1ee5 thu\u1ed9c n\u00e9t \u0111\u1ee9t ch\u1ec9 \u0111\u1ebfn\u00a0t\u1eeb tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>.<\/p>\n

    \"\"<\/p>\n

    \n
    \nPlantUML<\/span>
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    \n<\/path><\/path><\/svg>
    \nCh\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span>
    \n<\/a>\n<\/div>\n
    \n
    \r\n
    \r\n PlantUML<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit PlantUML in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
    \r\n 
    @startuml\r\nskinparam theme plain\r\nskinparam packageStyle rectangle\r\n\r\nactor Qu\u1ea3n tr\u1ecb vi\u00ean as admin\r\nactor :C\u01a1 s\u1edf d\u1eef li\u1ec7u Th\u00f4ng tin x\u00e1c th\u1ef1c T\u00e1c gi\u1ea3: as db\r\n\r\nrectangle \"H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd n\u1ed9i dung (CMS)\" {\r\n    ' V\u00ed d\u1ee5 bao g\u1ed3m\r\n    usecase \"T\u1ea1o t\u00e0i kho\u1ea3n Blog m\u1edbi\" as UC_Blog\r\n    usecase \"T\u1ea1o Wiki c\u00e1 nh\u00e2n m\u1edbi\" as UC_Wiki\r\n    usecase \"X\u00e1c minh danh t\u00ednh\" as UC_Check\r\n    \r\n    UC_Blog ..> UC_Check : <<bao g\u1ed3m>>\r\n    UC_Wiki ..> UC_Check : <<bao g\u1ed3m>>\r\n    \r\n    ' V\u00ed d\u1ee5 m\u1edf r\u1ed9ng\r\n    usecase \"Ghi l\u1ea1i s\u1ef1 c\u1ed1 \u1ee9ng d\u1ee5ng\" as UC_Fail\r\n    \r\n    UC_Fail ..> UC_Blog : <<m\u1edf r\u1ed9ng>>\r\n    UC_Fail ..> UC_Wiki : <<m\u1edf r\u1ed9ng>>\r\n}\r\n\r\nadmin --> UC_Blog\r\nadmin --> UC_Wiki\r\nUC_Check --> db\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                
    \r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
    \n
    \n<\/path><\/path><\/svg>
    \nCh\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span>
    \n<\/a>\n<\/div>\n<\/div>\n
    B\u1ea3n \u0111\u1ed3 h\u00f3a t\u00e0i li\u1ec7u v\u0103n b\u1ea3n<\/h3>\n
    Thay v\u00ec vi\u1ebft l\u1ea1i c\u00e1c b\u01b0\u1edbc x\u00e1c minh danh t\u00ednh trong nhi\u1ec1u t\u00e0i li\u1ec7u kh\u00e1c nhau, nh\u00f3m \u0111\u00e3 \u00e1p d\u1ee5ng c\u00fa ph\u00e1p bao g\u1ed3m chu\u1ea9n trong lu\u1ed3ng th\u00e0nh c\u00f4ng ch\u00ednh:<\/p>\n\n\n\n\n\n\n
    Tr\u01b0\u1eddng Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/th>\nGi\u00e1 tr\u1ecb \/ C\u00e1c b\u01b0\u1edbc lu\u1ed3ng<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    T\u00ean Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/td>\nT\u1ea1o t\u00e0i kho\u1ea3n Blog m\u1edbi<\/td>\n<\/tr>\n
    Lu\u1ed3ng th\u00e0nh c\u00f4ng ch\u00ednh<\/strong><\/td>\n1. Qu\u1ea3n tr\u1ecb vi\u00ean ch\u1ecdn lo\u1ea1i t\u00e0i kho\u1ea3n.<\/p>\n
    2. Qu\u1ea3n tr\u1ecb vi\u00ean nh\u1eadp th\u00f4ng tin t\u00e1c gi\u1ea3.<\/p>\n
    3.\u00a0include::X\u00e1c minh danh t\u00ednh<\/strong>\u00a0\u0111\u1ec3 x\u00e1c minh t\u00e1c gi\u1ea3.<\/p>\n
    4. H\u1ec7 th\u1ed1ng t\u1ea1o t\u00e0i kho\u1ea3n blog m\u1edbi.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n
    2. T\u1ed5ng qu\u00e1t h\u00f3a Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng (K\u1ebf th\u1eeba): Qu\u1ea3n l\u00fd c\u00e1c bi\u1ebfn th\u1ec3 chuy\u00ean bi\u1ec7t<\/h2>\n
    M\u1ee5c \u0111\u00edch & C\u01a1 ch\u1ebf<\/h3>\n
    T\u1ed5ng qu\u00e1t h\u00f3a \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng khi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf \u0111\u1ecbnh ngh\u0129a m\u1ed9t lu\u1ed3ng c\u00f4ng vi\u1ec7c c\u1ed1t l\u00f5i \u00e1p d\u1ee5ng cho nhi\u1ec1u ng\u1eef c\u1ea3nh chuy\u00ean bi\u1ec7t, m\u1ed7i ng\u1eef c\u1ea3nh ch\u1ec9 y\u00eau c\u1ea7u s\u1ef1 kh\u00e1c bi\u1ec7t nh\u1ecf. M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng con s\u1ebd k\u1ebf th\u1eeba\u00a0t\u1ea5t c\u1ea3<\/strong>\u00a0h\u00e0nh vi, m\u1ee5c ti\u00eau v\u00e0 m\u1ed1i quan h\u1ec7 c\u1ee7a cha m\u1eb9. Ch\u1ec9 c\u00e1c b\u01b0\u1edbc \u0111\u1ed9c \u0111\u00e1o ho\u1eb7c \u0111\u01b0\u1ee3c ghi \u0111\u00e8 m\u1edbi c\u1ea7n \u0111\u01b0\u1ee3c ghi ch\u00fa trong tr\u01b0\u1eddng h\u1ee3p con.<\/p>\n
    Quy t\u1eafc \u201cT\u1ea5t c\u1ea3 ho\u1eb7c Kh\u00f4ng c\u00f3 g\u00ec\u201d:<\/strong>\u00a0K\u1ebf th\u1eeba trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 nghi\u00eam ng\u1eb7t. M\u1ecdi b\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong cha m\u1eb9 ph\u1ea3i th\u1ef1c hi\u1ec7n h\u1ee3p l\u00fd trong con. N\u1ebfu m\u1ed9t t\u00ecnh hu\u1ed1ng chuy\u00ean bi\u1ec7t y\u00eau c\u1ea7u b\u1ecf qua ho\u1eb7c thay \u0111\u1ed5i c\u0103n b\u1ea3n m\u1ed9t b\u01b0\u1edbc c\u1ee7a cha m\u1eb9, th\u00ec t\u1ed5ng qu\u00e1t h\u00f3a l\u00e0 c\u00f4ng c\u1ee5 sai.<\/p>\n
    Tr\u1ef1c quan h\u00f3a PlantUML<\/h3>\n
    T\u1ed5ng qu\u00e1t h\u00f3a s\u1eed d\u1ee5ng m\u1ed9t \u0111\u01b0\u1eddng li\u1ec1n v\u1edbi \u0111\u1ea7u m\u0169i t\u00ean r\u1ed7ng, ch\u1ec9 \u0111\u1ebfn\u00a0t\u1eeb con \u0111\u1ebfn cha m\u1eb9<\/strong>.<\/p>\n
    \"\"<\/p>\n
    \n
    \nPlantUML<\/span>
    \n
    \n<\/path><\/path><\/svg>
    \nCh\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span>
    \n<\/a>\n<\/div>\n
    \n            
    \r\n                                
    \r\n                    PlantUML<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
    \r\n                    
    @startuml\r\nskinparam theme plain\r\nskinparam packageStyle rectangle\r\n\r\nactor Qu\u1ea3n tr\u1ecb vi\u00ean as admin\r\n\r\nrectangle \"Qu\u1ea3n l\u00fd t\u00e0i kho\u1ea3n\" {\r\n    usecase \"T\u1ea1o t\u00e0i kho\u1ea3n Blog m\u1edbi\" as UC_Parent\r\n    usecase \"T\u1ea1o t\u00e0i kho\u1ea3n th\u01b0\u1eddng m\u1edbi\" as UC_Regular\r\n    usecase \"T\u1ea1o t\u00e0i kho\u1ea3n Blog bi\u00ean t\u1eadp m\u1edbi\" as UC_Editorial\r\n    \r\n    ' M\u0169i t\u00ean t\u1ed5ng qu\u00e1t ch\u1ec9 \u0111\u1ebfn cha\r\n    UC_Parent <|-- UC_Regular\r\n    UC_Parent <|-- UC_Editorial\r\n}\r\n\r\nadmin --> UC_Parent\r\n@enduml\r\n<\/code><\/pre>                <\/div>\r\n                
    \r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
    \n
    \n<\/path><\/path><\/svg>
    \nCh\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span>
    \n<\/a>\n<\/div>\n<\/div>\n
    \n
    3. M\u1ed1i quan h\u1ec7\u00a0<<extend>><\/code>\u00a0M\u1ed1i quan h\u1ec7: Ghi nh\u1eadn c\u00e1c lu\u1ed3ng \u0111i\u1ec1u ki\u1ec7n v\u00e0 t\u00f9y ch\u1ecdn<\/h2>\n
    M\u1ee5c \u0111\u00edch v\u00e0 c\u01a1 ch\u1ebf<\/h3>\n
    Kh\u00e1c v\u1edbi\u00a0<<include>><\/code>, \u0111\u1ea1i di\u1ec7n cho vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng b\u1eaft bu\u1ed9c,\u00a0<<extend>><\/code>\u00a0m\u00f4 h\u00ecnh h\u00f3a\u00a0h\u00e0nh vi t\u00f9y ch\u1ecdn ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n<\/strong>\u00a0ch\u1ec9 k\u00edch ho\u1ea1t trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n ch\u1ea1y c\u1ee5 th\u1ec3. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n v\u1eabn ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ed9c l\u1eadp; tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edf r\u1ed9ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u201cc\u00e1i m\u00f3c\u201d t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u1ea1y, ch\u00e8n th\u00eam c\u00e1c b\u01b0\u1edbc khi \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1ecbnh s\u1eb5n \u0111\u01b0\u1ee3c th\u1ecfa m\u00e3n.<\/p>\n
    V\u1ec1 m\u1eb7t ki\u1ebfn tr\u00fac, \u0111i\u1ec1u n\u00e0y t\u00e1ch bi\u1ec7t c\u00e1c h\u00e0nh tr\u00ecnh th\u00e0nh c\u00f4ng ch\u00ednh kh\u1ecfi x\u1eed l\u00fd ngo\u1ea1i l\u1ec7, \u0111\u1ecbnh tuy\u1ebfn thay th\u1ebf ho\u1eb7c c\u00e1c t\u00ednh n\u0103ng t\u00f9y ch\u1ecdn, ng\u0103n ch\u1eb7n c\u00e1c lu\u1ed3ng ch\u00ednh tr\u1edf n\u00ean c\u1ed3ng k\u1ec1nh.<\/p>\n
    B\u1ea3n \u0111\u1ed3 h\u00f3a t\u00e0i li\u1ec7u v\u0103n b\u1ea3n<\/h3>\n
    C\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e1c lu\u1ed3ng thay th\u1ebf ho\u1eb7c ngo\u1ea1i l\u1ec7 trong b\u1ea3n m\u00f4 t\u1ea3 v\u0103n b\u1ea3n:<\/p>\n\n\n\n\n\n\n\n
    Tr\u01b0\u1eddng Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/th>\nGi\u00e1 tr\u1ecb \/ B\u01b0\u1edbc lu\u1ed3ng<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    T\u00ean Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/td>\nT\u1ea1o t\u00e0i kho\u1ea3n Blog m\u1edbi<\/td>\n<\/tr>\n
    \u0110i\u1ec1u ki\u1ec7n k\u1ebft th\u00fac th\u1ea5t b\u1ea1i<\/strong><\/td>\nY\u00eau c\u1ea7u t\u1ea1o t\u00e0i kho\u1ea3n Blog m\u1edbi b\u1ecb t\u1eeb ch\u1ed1i.<\/td>\n<\/tr>\n
    Ph\u1ea7n m\u1edf r\u1ed9ng<\/strong><\/td>\nB\u01b0\u1edbc 3.1:<\/strong>\u00a0C\u01a1 s\u1edf d\u1eef li\u1ec7u th\u00f4ng tin x\u00e1c th\u1ef1c t\u00e1c gi\u1ea3 kh\u00f4ng x\u00e1c minh \u0111\u01b0\u1ee3c chi ti\u1ebft.<\/p>\n
    B\u01b0\u1edbc 3.2:<\/strong>\u00a0m\u1edf r\u1ed9ng b\u1edfi::Ghi nh\u1eadn th\u1ea5t b\u1ea1i khi \u0111\u0103ng k\u00fd<\/strong>.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n
    4. H\u01b0\u1edbng d\u1eabn ki\u1ebfn tr\u00fac v\u00e0 Th\u1ef1c h\u00e0nh t\u1ed1t<\/h2>\n
    Vi\u1ec7c \u00e1p d\u1ee5ng th\u00e0nh c\u00f4ng c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt. C\u00e1c h\u01b0\u1edbng d\u1eabn sau \u0111\u00e2y \u0111\u00e3 xu\u1ea5t hi\u1ec7n t\u1eeb qu\u00e1 tr\u00ecnh tinh ch\u1ec9nh l\u1eb7p l\u1ea1i trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai n\u1ec1n t\u1ea3ng Horizon:<\/p>\n
      \n
    1. \n
      Tr\u00e1nh m\u00f4 h\u00ecnh h\u00f3a qu\u00e1 m\u1ee9c (\u201cNhi\u1ec1u m\u0169i t\u00ean h\u1ed7n \u0111\u1ed9n\u201d):<\/strong>\u00a0C\u00e1c m\u1ed1i quan h\u1ec7 use case \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 tr\u00f9ng l\u1eb7p t\u00e0i li\u1ec7u, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n chi ti\u1ebft t\u01b0\u01a1ng t\u00e1c giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu m\u1ed9t b\u01b0\u1edbc kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u1ee5c ti\u00eau ph\u1ee5 \u0111\u1ed9c l\u1eadp v\u1edbi c\u00e1c ti\u00eau ch\u00ed kinh doanh r\u00f5 r\u00e0ng th\u00e0nh c\u00f4ng\/th\u1ea5t b\u1ea1i, h\u00e3y gi\u1eef n\u00f3 d\u01b0\u1edbi d\u1ea1ng v\u0103n b\u1ea3n tr\u1ef1c ti\u1ebfp. Vi\u1ec7c nh\u1ea5p v\u00e0o n\u00fat ho\u1eb7c \u0111i\u1ec1u h\u01b0\u1edbng menu hi\u1ebfm khi x\u1ee9ng \u0111\u00e1ng v\u1edbi m\u1ed9t use case ri\u00eang bi\u1ec7t.<\/p>\n<\/li>\n
    2. \n
      \u00a0V\u0169ng m\u1eafc k\u1eb9t c\u1ee7a \u201cL\u1eadp tr\u00ecnh vi\u00ean\u201d v\u1edbi\u00a0<<extend>><\/code>:<\/strong>\u00a0C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 n\u1ec1n t\u1ea3ng h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng th\u01b0\u1eddng nh\u1ea7m l\u1eabn\u00a0<<extend>><\/code>\u00a0v\u1edbi k\u1ebf th\u1eeba l\u1edbp.\u00a0N\u00f3 kh\u00f4ng ph\u1ea3i v\u1eady.<\/strong>\u00a0K\u1ebf th\u1eeba use case \u0111\u01b0\u1ee3c x\u1eed l\u00fd duy nh\u1ea5t b\u1edfi m\u1ed1i quan h\u1ec7 t\u1ed5ng qu\u00e1t h\u00f3a. Xem x\u00e9t\u00a0<<extend>><\/code>\u00a0m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t nh\u01b0 m\u1ed9t ti\u1ec7n \u00edch ch\u1ea1y th\u1eddi gian th\u1ef1c t\u00f9y ch\u1ecdn ho\u1eb7c m\u1ed9t \u0111i\u1ec3m n\u1ed1i \u0111i\u1ec1u ki\u1ec7n.<\/p>\n<\/li>\n
    3. \n
      Ki\u1ec3m tra l\u1ea1i c\u00e1c ph\u1ee5 thu\u1ed9c t\u1ed5ng qu\u00e1t h\u00f3a:<\/strong>\u00a0Tr\u01b0\u1edbc khi v\u1ebd m\u0169i t\u00ean t\u1ed5ng qu\u00e1t h\u00f3a, h\u00e3y ki\u1ec3m tra nghi\u00eam ng\u1eb7t r\u1eb1ng use case con th\u1ef1c s\u1ef1 c\u1ea7n\u00a0m\u1ed7i b\u01b0\u1edbc m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/em>\u00a0c\u1ee7a cha m\u1eb9. N\u1ebfu use case con c\u1ea7n b\u1ecf qua, b\u1ecf qua ho\u1eb7c thay \u0111\u1ed5i c\u01a1 b\u1ea3n c\u00e1c b\u01b0\u1edbc c\u1ee7a cha m\u1eb9, h\u00e3y thay th\u1ebf t\u1ed5ng qu\u00e1t h\u00f3a b\u1eb1ng\u00a0<<include>><\/code>\u00a0ho\u1eb7c\u00a0<<extend>><\/code>.<\/p>\n<\/li>\n
    4. \n
      T\u00e1ch bi\u1ec7t c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i tr\u00ean c\u00e1c m\u00f4-\u0111un t\u00e1i s\u1eed d\u1ee5ng:<\/strong>\u00a0Khi tr\u00edch xu\u1ea5t m\u1ed9t quy tr\u00ecnh chung v\u00e0o m\u1ed9t use case \u0111\u01b0\u1ee3c bao g\u1ed3m (v\u00ed d\u1ee5:\u00a0Ki\u1ec3m tra danh t\u00ednh<\/code>), h\u00e3y di chuy\u1ec3n k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 b\u00ean ngo\u00e0i (v\u00ed d\u1ee5:\u00a0C\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u1ee9ng th\u1ef1c t\u00e1c gi\u1ea3<\/code>) tr\u1ef1c ti\u1ebfp sang use case con \u0111\u00f3. \u0110i\u1ec1u n\u00e0y ngay l\u1eadp t\u1ee9c l\u00e0m r\u00f5 ranh gi\u1edbi ph\u1ee5 thu\u1ed9c v\u00e0 gi\u00fap c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5p cao t\u1eadp trung v\u00e0o t\u01b0\u01a1ng t\u00e1c kinh doanh thay v\u00ec chi ti\u1ebft h\u1ea1 t\u1ea7ng.<\/p>\n<\/li>\n<\/ol>\n
      \n
      K\u1ebft lu\u1eadn<\/h2>\n
      C\u00e1c m\u1ed1i quan h\u1ec7 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 quy \u01b0\u1edbc v\u1ebd bi\u1ec3u \u0111\u1ed3; ch\u00fang l\u00e0c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac<\/strong>c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec h\u1ec7 th\u1ed1ng, \u0111\u1ed9 r\u00f5 r\u00e0ng c\u1ee7a t\u00e0i li\u1ec7u v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c\u00a0<<include>><\/code>\u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng b\u1eaft bu\u1ed9c, T\u1ed5ng qu\u00e1t h\u00f3a cho c\u00e1c bi\u1ebfn th\u1ec3 chuy\u00ean bi\u1ec7t, v\u00e0\u00a0<<extend>><\/code>\u0111\u1ec3 x\u1eed l\u00fd c\u00e1c lu\u1ed3ng \u0111i\u1ec1u ki\u1ec7n, c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 c\u00f3 th\u1ec3 bi\u1ebfn c\u00e1c t\u1eadp y\u00eau c\u1ea7u r\u1ea3i r\u00e1c th\u00e0nh nh\u1eefng b\u1ea3n v\u1ebd m\u00f4-\u0111un, h\u1ee3p l\u00fd v\u00e0 c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n
      Gi\u00e1 tr\u1ecb th\u1ef1c s\u1ef1 c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y n\u1eb1m \u1edf s\u1ef1 nh\u1ea5t qu\u00e1n c\u1ee7a ch\u00fang gi\u1eefa c\u00e1c s\u01a1 \u0111\u1ed3 tr\u1ef1c quan v\u00e0 c\u00e1c t\u00e0i li\u1ec7u m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng. Khi s\u01a1 \u0111\u1ed3 v\u00e0 c\u00e1c b\u1ea3n m\u00f4 t\u1ea3 ch\u1ee9c n\u0103ng th\u1ed1ng nh\u1ea5t v\u1edbi nhau, c\u00e1c \u0111\u1ed9i nh\u00f3m s\u1ebd lo\u1ea1i b\u1ecf s\u1ef1 m\u01a1 h\u1ed3, gi\u1ea3m thi\u1ec3u t\u00e0i li\u1ec7u tr\u00f9ng l\u1eb7p v\u00e0 thi\u1ebft l\u1eadp m\u1ed9t ngu\u1ed3n th\u00f4ng tin duy nh\u1ea5t, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a h\u1ec7 th\u1ed1ng. Khi c\u00e1c n\u1ec1n t\u1ea3ng ng\u00e0y c\u00e0ng ph\u1ee9c t\u1ea1p, vi\u1ec7c th\u00e0nh th\u1ea1o c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u00fd \u0111\u1ecbnh ki\u1ebfn tr\u00fac \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i m\u1ed9t c\u00e1ch tr\u01a1n tru th\u00e0nh ph\u1ea7n m\u1ec1m ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
      Gi\u1edbi thi\u1ec7u Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m l\u00e0 ch\u1ec9 danh s\u00e1ch t\u00ednh n\u0103ng \u0111\u01a1n thu\u1ea7n ho\u1eb7c b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh d\u1ef1 \u00e1n c\u1ea5p cao. Tr\u00ean th\u1ef1c t\u1ebf, ch\u00fang \u0111\u00f3ng vai tr\u00f2 nh\u01b0\u00a0khung x\u01b0\u01a1ng ki\u1ebfn tr\u00fac. Khi \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1ch, c\u00e1c […]<\/p>\n","protected":false},"author":1,"featured_media":11663,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-11662","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uml","loop-entry","clr"],"yoast_head":"\nC\u1ea5u tr\u00fac H\u00e0nh vi H\u1ec7 th\u1ed1ng: H\u01b0\u1edbng d\u1eabn Th\u1ef1c ti\u1ec5n v\u1ec1 C\u00e1c M\u1ed1i quan h\u1ec7 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng 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\/structuring-system-behavior-a-practical-guide-to-uml-use-case-relationships\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u1ea5u tr\u00fac H\u00e0nh vi H\u1ec7 th\u1ed1ng: H\u01b0\u1edbng d\u1eabn Th\u1ef1c ti\u1ec5n v\u1ec1 C\u00e1c M\u1ed1i quan h\u1ec7 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng UML - Visual Paradigm Blog\" \/>\n<meta property=\"og:description\" content=\"Gi\u1edbi thi\u1ec7u Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng b\u1ecb hi\u1ec3u nh\u1ea7m l\u00e0 ch\u1ec9 danh s\u00e1ch t\u00ednh n\u0103ng \u0111\u01a1n thu\u1ea7n ho\u1eb7c b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh d\u1ef1 \u00e1n c\u1ea5p cao. Tr\u00ean th\u1ef1c t\u1ebf, ch\u00fang \u0111\u00f3ng vai tr\u00f2 nh\u01b0\u00a0khung x\u01b0\u01a1ng ki\u1ebfn tr\u00fac. 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