{"id":1504,"date":"2026-02-24T05:15:22","date_gmt":"2026-02-24T05:15:22","guid":{"rendered":"https:\/\/www.go-diagram.com\/vi\/case-study-understanding-use-case-diagrams-2\/"},"modified":"2026-02-24T05:15:22","modified_gmt":"2026-02-24T05:15:22","slug":"case-study-understanding-use-case-diagrams-2","status":"publish","type":"post","link":"https:\/\/www.go-diagram.com\/vi\/case-study-understanding-use-case-diagrams-2\/","title":{"rendered":"Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng"},"content":{"rendered":"<h2>Gi\u1edbi thi\u1ec7u<\/h2>\n<p dir=\"auto\">S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\">Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML)<\/a>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. Ch\u00fang minh h\u1ecda c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng (c\u00e1c t\u00e1c nh\u00e2n) v\u00e0 h\u1ec7 th\u1ed1ng nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3. Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p n\u00e0y s\u1ebd gi\u1ea3i th\u00edch c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang v\u00e0 c\u00e1ch t\u1ea1o ra v\u00e0 hi\u1ec3u ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Ch\u00fang t\u00f4i s\u1ebd s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng sau \u0111\u00e2y l\u00e0m t\u00e0i li\u1ec7u tham kh\u1ea3o \u0111\u1ec3 th\u1ea3o lu\u1eadn chi ti\u1ebft v\u1ec1 c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y.<\/p>\n<p dir=\"auto\"><img alt=\"Use Case Diagram - Website _ Structuring use cases with extend and ...\" decoding=\"async\" src=\"https:\/\/guides.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/Use-Case-Diagram-Website-_-Structuring-use-cases-with-extend-and-include-use-case-1.png\"\/><\/p>\n<h2>C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh<\/h2>\n<h3>C\u00e1c t\u00e1c nh\u00e2n<\/h3>\n<p dir=\"auto\">C\u00e1c t\u00e1c nh\u00e2n \u0111\u1ea1i di\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. Trong s\u01a1 \u0111\u1ed3, c\u00f3 hai t\u00e1c nh\u00e2n: \u201cNg\u01b0\u1eddi d\u00f9ng trang web\u201d v\u00e0 \u201cNg\u01b0\u1eddi qu\u1ea3n tr\u1ecb trang web.\u201d<\/p>\n<h3>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p dir=\"auto\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea1i di\u1ec7n cho c\u00e1c ch\u1ee9c n\u0103ng ho\u1eb7c d\u1ecbch v\u1ee5 m\u00e0 h\u1ec7 th\u1ed1ng cung c\u1ea5p cho c\u00e1c t\u00e1c nh\u00e2n. M\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u00f4 t\u1ea3 m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 m\u00e0 m\u1ed9t t\u00e1c nh\u00e2n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua vi\u1ec7c t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng.<\/p>\n<h3>C\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n<ul>\n<li><strong>Li\u00ean k\u1ebft<\/strong>: Th\u1ec3 hi\u1ec7n r\u1eb1ng m\u1ed9t t\u00e1c nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<li><strong>Bao g\u1ed3m<\/strong>: Ch\u1ec9 ra r\u1eb1ng m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng bao g\u1ed3m h\u00e0nh vi c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c.<\/li>\n<li><strong>M\u1edf r\u1ed9ng<\/strong>: Th\u1ec3 hi\u1ec7n r\u1eb1ng m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng b\u1eb1ng h\u00e0nh vi b\u1ed5 sung trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li><strong>\u0110i\u1ec3m m\u1edf r\u1ed9ng<\/strong>: Nh\u1eefng \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u01a1i c\u00f3 th\u1ec3 th\u00eam c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng.<\/li>\n<\/ul>\n<h2>T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng?<\/h2>\n<p dir=\"auto\">S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng r\u1ea5t quan tr\u1ecdng v\u00ec nh\u1eefng l\u00fd do sau:<\/p>\n<ul>\n<li><strong>Thu th\u1eadp y\u00eau c\u1ea7u<\/strong>: Ch\u00fang gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Giao ti\u1ebfp<\/strong>: Ch\u00fang cung c\u1ea5p m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 s\u00fac t\u00edch \u0111\u1ec3 giao ti\u1ebfp v\u1edbi c\u00e1c b\u00ean li\u00ean quan v\u1ec1 ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf v\u00e0 tri\u1ec3n khai<\/strong>: Ch\u00fang \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n \u0111\u1ec3 hi\u1ec3u h\u1ec7 th\u1ed1ng c\u1ea7n l\u00e0m g\u00ec.<\/li>\n<\/ul>\n<h2>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<h3>B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n<\/h3>\n<p dir=\"auto\">X\u00e1c \u0111\u1ecbnh t\u1ea5t c\u1ea3 c\u00e1c t\u00e1c nh\u00e2n s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. Trong s\u01a1 \u0111\u1ed3, c\u00e1c t\u00e1c nh\u00e2n l\u00e0 \u201cNg\u01b0\u1eddi d\u00f9ng trang web\u201d v\u00e0 \u201cNg\u01b0\u1eddi qu\u1ea3n tr\u1ecb trang web.\u201d<\/p>\n<h3>B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p dir=\"auto\">V\u1edbi m\u1ed7i t\u00e1c nh\u00e2n, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea1i di\u1ec7n cho c\u00e1c ch\u1ee9c n\u0103ng m\u00e0 h\u1ecd s\u1ebd t\u01b0\u01a1ng t\u00e1c. V\u00ed d\u1ee5, \u201cNg\u01b0\u1eddi d\u00f9ng trang web\u201d c\u00f3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng nh\u01b0 \u201cT\u00ecm ki\u1ebfm t\u00e0i li\u1ec7u \u2013 V\u0103n b\u1ea3n \u0111\u1ea7y \u0111\u1ee7\u201d, \u201cDuy\u1ec7t t\u00e0i li\u1ec7u\u201d, \u201cXem s\u1ef1 ki\u1ec7n\u201d, v\u00e0 \u201c\u0110\u0103ng nh\u1eadp.\u201d<\/p>\n<h3>B\u01b0\u1edbc 3: Thi\u1ebft l\u1eadp c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n<ul>\n<li><strong>Li\u00ean k\u1ebft<\/strong>: K\u1ebft n\u1ed1i c\u00e1c t\u00e1c nh\u00e2n v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u01b0\u01a1ng \u1ee9ng c\u1ee7a h\u1ecd.<\/li>\n<li><strong>Bao g\u1ed3m<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng bao g\u1ed3m h\u00e0nh vi c\u1ee7a c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c. V\u00ed d\u1ee5, \u201cT\u00ecm ki\u1ebfm t\u00e0i li\u1ec7u \u2013 V\u0103n b\u1ea3n \u0111\u1ea7y \u0111\u1ee7\u201d bao g\u1ed3m \u201cT\u1ea3i xu\u1ed1ng t\u00e0i li\u1ec7u\u201d v\u00e0 \u201cXem tr\u01b0\u1edbc t\u00e0i li\u1ec7u.\u201d<\/li>\n<li><strong>M\u1edf r\u1ed9ng<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng b\u1eb1ng h\u00e0nh vi b\u1ed5 sung. V\u00ed d\u1ee5, \u201cT\u1ea3i l\u00ean t\u00e0i li\u1ec7u\u201d c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng b\u1eb1ng \u201cQu\u1ea3n l\u00fd th\u01b0 m\u1ee5c.\u201d<\/li>\n<li><strong>\u0110i\u1ec3m m\u1edf r\u1ed9ng<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u01a1i c\u00f3 th\u1ec3 th\u00eam c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng. V\u00ed d\u1ee5, \u201cTh\u00eam ng\u01b0\u1eddi d\u00f9ng\u201d c\u00f3 m\u1ed9t \u0111i\u1ec3m m\u1edf r\u1ed9ng cho \u201cTh\u00eam c\u00f4ng ty.\u201d<\/li>\n<\/ul>\n<h2>M\u1eb9o v\u00e0 th\u1ee7 thu\u1eadt<\/h2>\n<h3>1. \u0110\u01a1n gi\u1ea3n h\u00f3a<\/h3>\n<p dir=\"auto\">B\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ea7n th\u00eam chi ti\u1ebft khi thu th\u1eadp \u0111\u01b0\u1ee3c th\u00eam th\u00f4ng tin. Tr\u00e1nh l\u00e0m ph\u1ee9c t\u1ea1p s\u01a1 \u0111\u1ed3 qu\u00e1 m\u1ee9c v\u1edbi qu\u00e1 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 m\u1ed1i quan h\u1ec7.<\/p>\n<h3>2. S\u1eed d\u1ee5ng t\u00ean m\u00f4 t\u1ea3<\/h3>\n<p dir=\"auto\">S\u1eed d\u1ee5ng t\u00ean r\u00f5 r\u00e0ng v\u00e0 m\u00f4 t\u1ea3 cho c\u00e1c t\u00e1c nh\u00e2n v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m cho s\u01a1 \u0111\u1ed3 d\u1ec5 hi\u1ec3u h\u01a1n.<\/p>\n<h3>3. T\u1eadp trung v\u00e0o y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng<\/h3>\n<p dir=\"auto\">S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00ean t\u1eadp trung v\u00e0o c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng. Tr\u00e1nh bao g\u1ed3m chi ti\u1ebft k\u1ef9 thu\u1eadt ho\u1eb7c c\u00e1c th\u00f4ng tin c\u1ee5 th\u1ec3 v\u1ec1 tri\u1ec3n khai.<\/p>\n<h3>4. X\u00e1c minh v\u1edbi c\u00e1c b\u00ean li\u00ean quan<\/h3>\n<p dir=\"auto\">Th\u01b0\u1eddng xuy\u00ean xem x\u00e9t v\u00e0 x\u00e1c minh s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1edbi c\u00e1c b\u00ean li\u00ean quan \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ecd.<\/p>\n<h3>5. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5<\/h3>\n<p dir=\"auto\">S\u1eed d\u1ee5ng <a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/use-case-diagram-tutorial\/\">c\u00e1c c\u00f4ng c\u1ee5 UML nh\u01b0 Visual Paradigm<\/a>\u0111\u1ec3 t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. C\u00e1c c\u00f4ng c\u1ee5 n\u00e0y cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng gi\u00fap d\u1ec5 d\u00e0ng t\u1ea1o, ch\u1ec9nh s\u1eeda v\u00e0 chia s\u1ebb s\u01a1 \u0111\u1ed3.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p dir=\"auto\"><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a> l\u00e0 m\u1ed9t <a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/use-case-diagram-software\/\">c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd<\/a>\u0111\u1ec3 ghi nh\u1eadn v\u00e0 truy\u1ec1n \u0111\u1ea1t c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh v\u00e0 tu\u00e2n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed1t nh\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3, tr\u1edf th\u00e0nh t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 trong su\u1ed1t v\u00f2ng \u0111\u1eddi ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m. S\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c cung c\u1ea5p minh h\u1ecda c\u00e1ch c\u00e1c t\u00e1c nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng th\u00f4ng qua c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 m\u1ed1i quan h\u1ec7 kh\u00e1c nhau, cung c\u1ea5p m\u1ed9t v\u00ed d\u1ee5 r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y trong th\u1ef1c t\u1ebf.<\/p>\n<p dir=\"auto\">\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7aNg\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML)\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[57],"tags":[],"class_list":["post-1504","post","type-post","status-publish","format-standard","hentry","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p: Hi\u1ec3u v\u1ec1 s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng - Go Diagram Vietnamese - Proven AI Workflows &amp; 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