{"id":503,"date":"2026-03-21T20:54:50","date_gmt":"2026-03-21T20:54:50","guid":{"rendered":"https:\/\/www.go-minder.com\/vi\/from-requirements-to-use-cases-uml-workflow\/"},"modified":"2026-03-21T20:54:50","modified_gmt":"2026-03-21T20:54:50","slug":"from-requirements-to-use-cases-uml-workflow","status":"publish","type":"post","link":"https:\/\/www.go-minder.com\/vi\/from-requirements-to-use-cases-uml-workflow\/","title":{"rendered":"T\u1eeb Y\u00eau c\u1ea7u \u0111\u1ebfn Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng: Quy tr\u00ecnh M\u00f4 h\u00ecnh h\u00f3a UML d\u00e0nh cho Ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"<p>Ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng b\u1ecb \u0111\u00ecnh tr\u1ec7 kh\u00f4ng ph\u1ea3i do m\u00e3 ngu\u1ed3n, m\u00e0 do giao ti\u1ebfp. C\u00e1c b\u00ean li\u00ean quan m\u00f4 t\u1ea3 nh\u1eefng g\u00ec h\u1ecd c\u1ea7n b\u1eb1ng ng\u00f4n ng\u1eef t\u1ef1 nhi\u00ean, trong khi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec1u \u0111\u00f3 th\u00e0nh logic v\u00e0 c\u1ea5u tr\u00fac. Kho\u1ea3ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i n\u00e0y th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn s\u1ef1 thi\u1ebfu \u0111\u1ed3ng thu\u1eadn. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u1ea1nh m\u1ebd \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch n\u00e0y l\u00e0 Ng\u00f4n ng\u1eef M\u00f4 h\u00ecnh h\u00f3a \u0110\u01a1n nh\u1ea5t (UML). C\u1ee5 th\u1ec3, s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng d\u01b0\u1edbi d\u1ea1ng h\u00ecnh \u1ea3nh.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd d\u1eabn b\u1ea1n qua qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i c\u00e1c y\u00eau c\u1ea7u th\u00f4 th\u00e0nh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML c\u00f3 c\u1ea5u tr\u00fac. B\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n, x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 l\u1eadp b\u1ea3n \u0111\u1ed3 c\u00e1c t\u01b0\u01a1ng t\u00e1c m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3. Tr\u1ecdng t\u00e2m v\u1eabn n\u1eb1m \u1edf quy tr\u00ecnh kh\u00e1i ni\u1ec7m v\u00e0 logic \u0111\u1eb1ng sau m\u00f4 h\u00ecnh h\u00f3a.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic illustrating a beginner's UML use case modeling workflow: shows 5-step process from requirements to use cases, key components (actors, system boundary, associations), include\/extend relationships, e-commerce checkout example, common pitfalls to avoid, and best practices for visual software requirements modeling\" decoding=\"async\" src=\"https:\/\/www.go-minder.com\/wp-content\/uploads\/2026\/03\/uml-use-case-modeling-workflow-beginners-guide-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83e\udde0 Hi\u1ec3u n\u1ec1n t\u1ea3ng: K\u1ef9 thu\u1eadt Y\u00eau c\u1ea7u<\/h2>\n<p>Tr\u01b0\u1edbc khi v\u1ebd b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng n\u00e9t n\u00e0o, b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 \u0111\u1ea7u v\u00e0o. Y\u00eau c\u1ea7u l\u00e0 nh\u1eefng \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c kh\u1ea3 n\u0103ng c\u1ee5 th\u1ec3 m\u00e0 h\u1ec7 th\u1ed1ng ph\u1ea3i \u0111\u00e1p \u1ee9ng. Trong b\u1ed1i c\u1ea3nh UML, ch\u00fang ta ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng\u2014h\u1ec7 th\u1ed1ng l\u00e0m g\u00ec\u2014m\u1eb7c d\u00f9 c\u00e1c r\u00e0ng bu\u1ed9c phi ch\u1ee9c n\u0103ng c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thi\u1ebft k\u1ebf.<\/p>\n<h3>Y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng so v\u1edbi Y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng<\/h3>\n<p>R\u1ea5t quan tr\u1ecdng khi ph\u00e2n bi\u1ec7t hai nh\u00f3m n\u00e0y ngay t\u1eeb \u0111\u1ea7u qu\u00e1 tr\u00ecnh.<\/p>\n<ul>\n<li><strong>Y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng:<\/strong> Ch\u00fang m\u00f4 t\u1ea3 c\u00e1c h\u00e0nh vi ho\u1eb7c ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3. V\u00ed d\u1ee5 bao g\u1ed3m \u201cH\u1ec7 th\u1ed1ng ph\u1ea3i cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u\u201d ho\u1eb7c \u201cH\u1ec7 th\u1ed1ng ph\u1ea3i t\u00ednh thu\u1ebf d\u1ef1a tr\u00ean v\u1ecb tr\u00ed\u201d. Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 tr\u1ef1c ti\u1ebfp sang c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<li><strong>Y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng:<\/strong> Ch\u00fang m\u00f4 t\u1ea3 c\u00e1c ph\u1ea9m ch\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng, ch\u1eb3ng h\u1ea1n nh\u01b0 hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt ho\u1eb7c \u0111\u1ed9 tin c\u1eady. V\u00ed d\u1ee5 bao g\u1ed3m \u201cH\u1ec7 th\u1ed1ng ph\u1ea3i ph\u1ea3n h\u1ed3i trong v\u00f2ng 2 gi\u00e2y\u201d ho\u1eb7c \u201cD\u1eef li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a\u201d. M\u1eb7c d\u00f9 nh\u1eefng y\u00eau c\u1ea7u n\u00e0y kh\u00f4ng tr\u1edf th\u00e0nh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp, nh\u01b0ng ch\u00fang gi\u1edbi h\u1ea1n c\u00e1ch th\u1ee9c tri\u1ec3n khai c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<p>Khi thu th\u1eadp y\u00eau c\u1ea7u, h\u00e3y ph\u1ecfng v\u1ea5n c\u00e1c b\u00ean li\u00ean quan v\u00e0 xem x\u00e9t t\u00e0i li\u1ec7u. H\u00e3y t\u00ecm c\u00e1c \u0111\u1ed9ng t\u1eeb v\u00e0 danh t\u1eeb. \u0110\u1ed9ng t\u1eeb th\u01b0\u1eddng g\u1ee3i \u00fd c\u00e1c h\u00e0nh \u0111\u1ed9ng (tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng), c\u00f2n danh t\u1eeb g\u1ee3i \u00fd c\u00e1c th\u1ef1c th\u1ec3 (t\u00e1c nh\u00e2n ho\u1eb7c d\u1eef li\u1ec7u).<\/p>\n<h2>\ud83c\udfad \u0110\u1ecbnh ngh\u0129a Kh\u00e1i ni\u1ec7m Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng<\/h2>\n<p>M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3 m\u00e0 ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00f4ng qua t\u01b0\u01a1ng t\u00e1c v\u1edbi ph\u1ea7n m\u1ec1m. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 danh s\u00e1ch c\u00e1c b\u01b0\u1edbc; m\u00e0 l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n v\u1ec1 gi\u00e1 tr\u1ecb. M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng duy nh\u1ea5t c\u00f3 th\u1ec3 bao g\u1ed3m nhi\u1ec1u b\u01b0\u1edbc, nh\u01b0ng n\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u1ee5c ti\u00eau nh\u1ea5t qu\u00e1n.<\/p>\n<h3>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a m\u1ed9t Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng<\/h3>\n<p>\u0110\u1ec3 m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3, b\u1ea1n c\u1ea7n hi\u1ec3u r\u00f5 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i:<\/p>\n<ul>\n<li><strong>T\u00e1c nh\u00e2n:<\/strong> M\u1ed9t th\u1ef1c th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. C\u00e1c t\u00e1c nh\u00e2n c\u00f3 th\u1ec3 l\u00e0 ng\u01b0\u1eddi d\u00f9ng, c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m kh\u00e1c ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng.<\/li>\n<li><strong>Ranh gi\u1edbi H\u1ec7 th\u1ed1ng:<\/strong> H\u1ed9p \u0111\u1ecbnh ngh\u0129a nh\u1eefng g\u00ec n\u1eb1m b\u00ean trong h\u1ec7 th\u1ed1ng v\u00e0 nh\u1eefng g\u00ec n\u1eb1m b\u00ean ngo\u00e0i. B\u1ea5t k\u1ef3 th\u1ee9 g\u00ec t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng nh\u01b0ng kh\u00f4ng n\u1eb1m trong ranh gi\u1edbi \u0111\u1ec1u l\u00e0 m\u1ed9t t\u00e1c nh\u00e2n.<\/li>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng:<\/strong> H\u00ecnh elip ho\u1eb7c h\u00ecnh ch\u1eef nh\u1eadt tr\u00f2n \u0111\u1ea1i di\u1ec7n cho ch\u1ee9c n\u0103ng.<\/li>\n<li><strong>Li\u00ean k\u1ebft:<\/strong> \u0110\u01b0\u1eddng n\u1ed1i gi\u1eefa m\u1ed9t t\u00e1c nh\u00e2n v\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, th\u1ec3 hi\u1ec7n s\u1ef1 giao ti\u1ebfp.<\/li>\n<\/ul>\n<h2>\ud83d\ude80 Quy tr\u00ecnh M\u00f4 h\u00ecnh h\u00f3a T\u1eebng B\u01b0\u1edbc<\/h2>\n<p>Vi\u1ec7c t\u1ea1o m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng. H\u00e3y tu\u00e2n theo c\u00e1c b\u01b0\u1edbc sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h3>B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh Ranh gi\u1edbi H\u1ec7 th\u1ed1ng<\/h3>\n<p>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi. Nh\u1eefng g\u00ec n\u1eb1m trong h\u1ec7 th\u1ed1ng v\u00e0 nh\u1eefng g\u00ec n\u1eb1m ngo\u00e0i h\u1ec7 th\u1ed1ng? V\u1ebd m\u1ed9t h\u1ed9p l\u1edbn \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho ranh gi\u1edbi n\u00e0y. M\u1ecdi th\u1ee9 cung c\u1ea5p gi\u00e1 tr\u1ecb cho t\u00e1c nh\u00e2n \u0111\u1ec1u ph\u1ea3i n\u1eb1m b\u00ean trong h\u1ed9p n\u00e0y. B\u1ea5t k\u1ef3 th\u1ee9 g\u00ec n\u1eb1m ngo\u00e0i \u0111\u1ec1u l\u00e0 ngu\u1ed3n l\u1ef1c ho\u1eb7c m\u1ed9t t\u00e1c nh\u00e2n.<\/p>\n<h3>B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh C\u00e1c T\u00e1c nh\u00e2n<\/h3>\n<p>Duy\u1ec7t qua c\u00e1c y\u00eau c\u1ea7u \u0111\u1ec3 t\u00ecm c\u00e1c vai tr\u00f2. Ai \u0111ang th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c? H\u00e3y t\u1ea1o danh s\u00e1ch c\u00e1c vai tr\u00f2 kh\u00e1c nhau.<\/p>\n<ul>\n<li><strong>C\u00e1c t\u00e1c nh\u00e2n ch\u00ednh:<\/strong> Nh\u1eefng ng\u01b0\u1eddi kh\u1edfi t\u1ea1o tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau c\u1ee7a ch\u00ednh h\u1ecd (v\u00ed d\u1ee5: Kh\u00e1ch h\u00e0ng \u0111\u1eb7t h\u00e0ng).<\/li>\n<li><strong>C\u00e1c t\u00e1c nh\u00e2n ph\u1ee5:<\/strong> Nh\u1eefng ng\u01b0\u1eddi cung c\u1ea5p d\u1ecbch v\u1ee5 cho h\u1ec7 th\u1ed1ng (v\u00ed d\u1ee5: C\u1ed5ng thanh to\u00e1n).<\/li>\n<\/ul>\n<p><strong>L\u01b0u \u00fd:<\/strong> N\u1ebfu hai ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng gi\u1ed1ng nhau v\u00e0 y\u00eau c\u1ea7u quy\u1ec1n h\u1ea1n gi\u1ed1ng nhau, h\u00e3y nh\u00f3m h\u1ecd l\u1ea1i th\u00e0nh m\u1ed9t vai tr\u00f2 t\u00e1c nh\u00e2n duy nh\u1ea5t g\u1ecdi l\u00e0 \u201cNg\u01b0\u1eddi d\u00f9ng\u201d ho\u1eb7c \u201cQu\u1ea3n tr\u1ecb vi\u00ean\u201d. \u0110i\u1ec1u n\u00e0y gi\u00fap s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c g\u1ecdn g\u00e0ng.<\/p>\n<h3>B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p>T\u00ecm c\u00e1c \u0111\u1ed9ng t\u1eeb trong y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n. \u201cT\u00ednh to\u00e1n,\u201d \u201c\u0110\u0103ng k\u00fd,\u201d \u201cPh\u00ea duy\u1ec7t,\u201d \u201cT\u1ea1o ra.\u201d M\u1ed7i h\u00e0nh \u0111\u1ed9ng \u0111\u1ed9c \u0111\u00e1o th\u01b0\u1eddng t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. Vi\u1ebft t\u00ean tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u01b0\u1edbi d\u1ea1ng c\u1ee5m \u0111\u1ed9ng t\u1eeb.<\/p>\n<ul>\n<li><strong>V\u00ed d\u1ee5:<\/strong> Thay v\u00ec \u201c\u0110\u0103ng nh\u1eadp,\u201d h\u00e3y d\u00f9ng \u201cX\u00e1c th\u1ef1c Ng\u01b0\u1eddi d\u00f9ng.\u201d Thay v\u00ec \u201cB\u00e1o c\u00e1o,\u201d h\u00e3y d\u00f9ng \u201cT\u1ea1o b\u00e1o c\u00e1o doanh s\u1ed1.\u201d<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n<p>K\u1ebft n\u1ed1i c\u00e1c t\u00e1c nh\u00e2n v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. N\u1ebfu m\u1ed9t t\u00e1c nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y v\u1ebd m\u1ed9t \u0111\u01b0\u1eddng n\u1ed1i. N\u1ebfu nhi\u1ec1u t\u00e1c nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00f9ng m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, h\u00e3y k\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 ch\u00fang. \u0110i\u1ec1u n\u00e0y gi\u00fap minh h\u1ecda r\u00f5 ai th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng g\u00ec.<\/p>\n<h3>B\u01b0\u1edbc 5: Tinh ch\u1ec9nh b\u1eb1ng c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i m\u1ecdi t\u01b0\u01a1ng t\u00e1c n\u00e0o c\u0169ng l\u00e0 m\u1ed1i quan h\u1ec7 \u0111\u01a1n gi\u1ea3n. B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n th\u1ec3 hi\u1ec7n c\u00e1ch c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng li\u00ean quan \u0111\u1ebfn nhau b\u1eb1ng c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ee5 th\u1ec3 nh\u01b0<strong>Bao g\u1ed3m<\/strong> v\u00e0 <strong>M\u1edf r\u1ed9ng<\/strong>.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i m\u1ed1i quan h\u1ec7<\/th>\n<th>K\u00fd hi\u1ec7u<\/th>\n<th>\u00dd ngh\u0129a<\/th>\n<th>V\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bao g\u1ed3m<\/td>\n<td>M\u0169i t\u00ean c\u00f3 \u00abbao g\u1ed3m\u00bb<\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf<strong>ph\u1ea3i<\/strong>s\u1eed d\u1ee5ng h\u00e0nh vi \u0111\u01b0\u1ee3c bao g\u1ed3m.<\/td>\n<td>\u201c\u0110\u1eb7t h\u00e0ng\u201d bao g\u1ed3m \u201cX\u00e1c th\u1ef1c gi\u1ecf h\u00e0ng\u201d.<\/td>\n<\/tr>\n<tr>\n<td>M\u1edf r\u1ed9ng<\/td>\n<td>M\u0169i t\u00ean c\u00f3 \u00abm\u1edf r\u1ed9ng\u00bb<\/td>\n<td>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n <strong>c\u00f3 th\u1ec3<\/strong>s\u1eed d\u1ee5ng h\u00e0nh vi m\u1edf r\u1ed9ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/td>\n<td>\u201cXem \u0110\u01a1n h\u00e0ng\u201d \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng th\u00e0nh \u201cHi\u1ec3n th\u1ecb L\u1ed7i\u201d n\u1ebfu d\u1eef li\u1ec7u b\u1ecb thi\u1ebfu.<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed5ng qu\u00e1t h\u00f3a<\/td>\n<td>M\u0169i t\u00ean c\u00f3 h\u00ecnh tam gi\u00e1c<\/td>\n<td>K\u1ebf th\u1eeba h\u00e0nh vi gi\u1eefa c\u00e1c t\u00e1c nh\u00e2n ho\u1eb7c c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/td>\n<td>\u201cQu\u1ea3n tr\u1ecb vi\u00ean\u201d l\u00e0 t\u1ed5ng qu\u00e1t h\u00f3a c\u1ee7a \u201cNg\u01b0\u1eddi d\u00f9ng\u201d.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udcdd V\u00ed d\u1ee5 chi ti\u1ebft: Thanh to\u00e1n th\u01b0\u01a1ng m\u1ea1i \u0111i\u1ec7n t\u1eed<\/h2>\n<p>\u0110\u1ec3 minh h\u1ecda quy tr\u00ecnh n\u00e0y, h\u00e3y xem x\u00e9t y\u00eau c\u1ea7u c\u1ee7a m\u1ed9t c\u1eeda h\u00e0ng tr\u1ef1c tuy\u1ebfn: \u201cNg\u01b0\u1eddi d\u00f9ng ph\u1ea3i c\u00f3 th\u1ec3 mua h\u00e0ng b\u1eb1ng th\u1ebb t\u00edn d\u1ee5ng. H\u1ec7 th\u1ed1ng ph\u1ea3i x\u00e1c minh t\u1ed3n kho tr\u01b0\u1edbc khi t\u00ednh ph\u00ed. N\u1ebfu t\u1ed3n kho th\u1ea5p, ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o. N\u1ebfu t\u1ed3n kho b\u1eb1ng kh\u00f4ng, s\u1ea3n ph\u1ea9m kh\u00f4ng th\u1ec3 mua \u0111\u01b0\u1ee3c.\u201d<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n \u0111\u00f3 th\u00e0nh m\u1ed9t m\u00f4 h\u00ecnh.<\/p>\n<h3>1. Tr\u00edch xu\u1ea5t c\u00e1c t\u00e1c nh\u00e2n<\/h3>\n<ul>\n<li><strong>Kh\u00e1ch h\u00e0ng:<\/strong>Kh\u1edfi t\u1ea1o qu\u00e1 tr\u00ecnh mua h\u00e0ng.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng t\u1ed3n kho:<\/strong>H\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i x\u00e1c nh\u1eadn m\u1ee9c \u0111\u1ed9 t\u1ed3n kho.<\/li>\n<\/ul>\n<h3>2. Tr\u00edch xu\u1ea5t c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<ul>\n<li><strong>B\u1eaft \u0111\u1ea7u mua h\u00e0ng:<\/strong> M\u1ee5c ti\u00eau ch\u00ednh.<\/li>\n<li><strong>X\u00e1c minh t\u1ed3n kho:<\/strong> B\u1eaft bu\u1ed9c cho m\u1ecdi giao d\u1ecbch mua h\u00e0ng.<\/li>\n<li><strong>X\u1eed l\u00fd thanh to\u00e1n:<\/strong> Giao d\u1ecbch c\u1ed1t l\u00f5i.<\/li>\n<li><strong>Th\u00f4ng b\u00e1o t\u1ed3n kho th\u1ea5p:<\/strong> Th\u00f4ng b\u00e1o t\u00f9y ch\u1ecdn.<\/li>\n<\/ul>\n<h3>3. X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7<\/h3>\n<ul>\n<li><strong>B\u1eaft \u0111\u1ea7u mua h\u00e0ng<\/strong> <strong>bao g\u1ed3m<\/strong> <strong>X\u00e1c minh t\u1ed3n kho<\/strong> (B\u01b0\u1edbc b\u1eaft bu\u1ed9c).<\/li>\n<li><strong>B\u1eaft \u0111\u1ea7u mua h\u00e0ng<\/strong> <strong>bao g\u1ed3m<\/strong> <strong>X\u1eed l\u00fd thanh to\u00e1n<\/strong> (B\u01b0\u1edbc b\u1eaft bu\u1ed9c).<\/li>\n<li><strong>Th\u00f4ng b\u00e1o t\u1ed3n kho th\u1ea5p<\/strong> <strong>m\u1edf r\u1ed9ng<\/strong> <strong>B\u1eaft \u0111\u1ea7u mua h\u00e0ng<\/strong> (C\u00f3 \u0111i\u1ec1u ki\u1ec7n).<\/li>\n<\/ul>\n<p>C\u1ea5u tr\u00fac n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng logic lu\u1ed3ng c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c ghi l\u1ea1i tr\u01b0\u1edbc khi b\u1ea5t k\u1ef3 m\u00e3 n\u00e0o \u0111\u01b0\u1ee3c vi\u1ebft.<\/p>\n<h2>\u26a0\ufe0f Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h2>\n<p>Ng\u01b0\u1eddi m\u1edbi th\u01b0\u1eddng g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi m\u1ee9c \u0111\u1ed9 tr\u1eebu t\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u1ee7a m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n<h3>1. M\u00f4 h\u00ecnh h\u00f3a c\u00e1c nhi\u1ec7m v\u1ee5 thay v\u00ec m\u1ee5c ti\u00eau<\/h3>\n<p>M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00ean \u0111\u1ea1i di\u1ec7n cho m\u1ed9t m\u1ee5c ti\u00eau. \u201cNh\u1ea5n n\u00fat\u201d l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. \u201cC\u1eadp nh\u1eadt h\u1ed3 s\u01a1\u201d l\u00e0 m\u1ed9t m\u1ee5c ti\u00eau. N\u1ebfu b\u1ea1n m\u00f4 h\u00ecnh h\u00f3a c\u00e1c nhi\u1ec7m v\u1ee5, s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf th\u00e0nh h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng thay v\u00ec m\u1ed9t t\u00e0i li\u1ec7u m\u00f4 t\u1ea3 h\u1ec7 th\u1ed1ng.<\/p>\n<h3>2. Tr\u1ed9n l\u1eabn c\u00e1c m\u1ee9c \u0111\u1ed9 chi ti\u1ebft<\/h3>\n<p>Kh\u00f4ng \u0111\u1eb7t c\u00e1c m\u1ee5c ti\u00eau kinh doanh c\u1ea5p cao v\u00e0 c\u00e1c b\u01b0\u1edbc k\u1ef9 thu\u1eadt c\u1ea5p th\u1ea5p trong c\u00f9ng m\u1ed9t s\u01a1 \u0111\u1ed3. N\u1ebfu \u201cT\u00ecm ki\u1ebfm s\u1ea3n ph\u1ea9m\u201d l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, c\u00e1c b\u01b0\u1edbc n\u1ed9i b\u1ed9 truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng thu\u1ed9c v\u1ec1 s\u01a1 \u0111\u1ed3 n\u00e0y. Gi\u1eef cho ph\u1ea1m vi nh\u1ea5t qu\u00e1n.<\/p>\n<h3>3. B\u1ecf qua ranh gi\u1edbi h\u1ec7 th\u1ed1ng<\/h3>\n<p>\u0110\u1ea3m b\u1ea3o c\u00e1c t\u00e1c nh\u00e2n n\u1eb1m b\u00ean ngo\u00e0i khung. M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 v\u1ebd m\u1ed9t t\u00e1c nh\u00e2n b\u00ean trong ranh gi\u1edbi h\u1ec7 th\u1ed1ng. N\u1ebfu t\u00e1c nh\u00e2n l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a logic h\u1ec7 th\u1ed1ng, th\u00ec n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t t\u00e1c nh\u00e2n; m\u00e0 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n.<\/p>\n<h3>4. L\u1ea1m d\u1ee5ng m\u1ed1i quan h\u1ec7 Include v\u00e0 Extend<\/h3>\n<p>Nh\u1eefng m\u1ed1i quan h\u1ec7 n\u00e0y l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p. Ch\u1ec9 s\u1eed d\u1ee5ng ch\u00fang khi h\u00e0nh vi th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c chia s\u1ebb ho\u1eb7c c\u00f3 \u0111i\u1ec1u ki\u1ec7n. L\u1ea1m d\u1ee5ng ch\u00fang khi\u1ebfn s\u01a1 \u0111\u1ed3 kh\u00f3 \u0111\u1ecdc. Th\u01b0\u1eddng th\u00ec m\u1ed9t m\u1ed1i quan h\u1ec7 \u0111\u01a1n gi\u1ea3n ho\u1eb7c m\u00f4 t\u1ea3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng r\u00f5 r\u00e0ng l\u00e0 \u0111\u1ee7.<\/p>\n<h2>\ud83d\udd17 Kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c: K\u1ebft n\u1ed1i y\u00eau c\u1ea7u v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p>M\u1ed9t khi s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n ho\u00e0n t\u1ea5t, b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o m\u1ecdi y\u00eau c\u1ea7u \u0111\u1ec1u c\u00f3 n\u01a1i thu\u1ed9c v\u1ec1. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c. N\u00f3 cho ph\u00e9p b\u1ea1n x\u00e1c minh r\u1eb1ng kh\u00f4ng c\u00f3 g\u00ec b\u1ecb b\u1ecf s\u00f3t trong giai \u0111o\u1ea1n ph\u00e2n t\u00edch.<\/p>\n<p>T\u1ea1o m\u1ed9t b\u1ea3ng \u00e1nh x\u1ea1 \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c ID y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n v\u1edbi t\u00ean c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n<table>\n<thead>\n<tr>\n<th>ID Y\u00eau c\u1ea7u<\/th>\n<th>N\u1ed9i dung Y\u00eau c\u1ea7u<\/th>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00e3 \u00e1nh x\u1ea1<\/th>\n<th>Tr\u1ea1ng th\u00e1i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>REQ-001<\/td>\n<td>H\u1ec7 th\u1ed1ng ph\u1ea3i cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng k\u00fd.<\/td>\n<td>\u0110\u0103ng k\u00fd Ng\u01b0\u1eddi d\u00f9ng<\/td>\n<td>\u0110\u00e3 \u00e1nh x\u1ea1<\/td>\n<\/tr>\n<tr>\n<td>REQ-002<\/td>\n<td>H\u1ec7 th\u1ed1ng ph\u1ea3i x\u00e1c minh \u0111\u1ecbnh d\u1ea1ng email.<\/td>\n<td>\u0110\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng (Bao g\u1ed3m)<\/td>\n<td>\u0110\u00e3 \u00e1nh x\u1ea1<\/td>\n<\/tr>\n<tr>\n<td>Y\u00caU C\u1ea6U-003<\/td>\n<td>H\u1ec7 th\u1ed1ng ph\u1ea3i g\u1eedi email ch\u00e0o m\u1eebng.<\/td>\n<td>G\u1eedi email ch\u00e0o m\u1eebng<\/td>\n<td>C\u1ea7n \u00e1nh x\u1ea1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>N\u1ebfu m\u1ed9t y\u00eau c\u1ea7u kh\u00f4ng c\u00f3 use case t\u01b0\u01a1ng \u1ee9ng, b\u1ea1n \u0111ang c\u00f3 kho\u1ea3ng tr\u1ed1ng. N\u1ebfu m\u1ed9t use case kh\u00f4ng c\u00f3 y\u00eau c\u1ea7u t\u01b0\u01a1ng \u1ee9ng, b\u1ea1n c\u00f3 th\u1ec3 \u0111ang b\u1ecb lan r\u1ed9ng ph\u1ea1m vi. H\u00e3y xem x\u00e9t c\u00e1c kho\u1ea3ng tr\u1ed1ng n\u00e0y tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thi\u1ebft k\u1ebf.<\/p>\n<h2>\ud83d\udee0\ufe0f K\u1ef9 thu\u1eadt x\u00e1c minh<\/h2>\n<p>L\u00e0m sao b\u1ea1n bi\u1ebft m\u00f4 h\u00ecnh l\u00e0 \u0111\u00fang? H\u00e3y s\u1eed d\u1ee5ng c\u00e1c bu\u1ed5i \u0111i qua v\u00e0 k\u1ef9 thu\u1eadt x\u00e1c minh.<\/p>\n<h3>1. C\u00e1c bu\u1ed5i \u0111i qua v\u1edbi c\u00e1c b\u00ean li\u00ean quan<\/h3>\n<p>Ng\u1ed3i c\u00f9ng ch\u1ee7 doanh nghi\u1ec7p v\u00e0 \u0111i qua s\u01a1 \u0111\u1ed3. Y\u00eau c\u1ea7u h\u1ecd m\u00f4 t\u1ea3 m\u1ed9t t\u00ecnh hu\u1ed1ng. \u201cL\u00e0m sao t\u00f4i c\u00f3 th\u1ec3 mua m\u1ed9t chi\u1ebfc \u00e1o s\u01a1 mi?\u201d N\u1ebfu h\u1ecd m\u00f4 t\u1ea3 m\u1ed9t quy tr\u00ecnh kh\u00f4ng c\u00f3 trong s\u01a1 \u0111\u1ed3, h\u00e3y th\u00eam v\u00e0o. N\u1ebfu h\u1ecd m\u00f4 t\u1ea3 \u0111i\u1ec1u g\u00ec \u0111\u00f3 kh\u00f4ng n\u00ean c\u00f3, h\u00e3y lo\u1ea1i b\u1ecf.<\/p>\n<h3>2. Ki\u1ec3m tra t\u00ednh nh\u1ea5t qu\u00e1n<\/h3>\n<p>\u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c s\u01a1 \u0111\u1ed3. N\u1ebfu s\u01a1 \u0111\u1ed3 Use Case hi\u1ec3n th\u1ecb \u201cQu\u1ea3n tr\u1ecb vi\u00ean\u201d l\u00e0 m\u1ed9t ng\u01b0\u1eddi tham gia, s\u01a1 \u0111\u1ed3 Class ph\u1ea3i ph\u1ea3n \u00e1nh vai tr\u00f2 \u0111\u00f3. N\u1ebfu s\u01a1 \u0111\u1ed3 Sequence hi\u1ec3n th\u1ecb lu\u1ed3ng kh\u00e1c bi\u1ec7t, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p. UML l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef; t\u1ea5t c\u1ea3 s\u01a1 \u0111\u1ed3 ph\u1ea3i s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t c\u00fa ph\u00e1p.<\/p>\n<h3>3. Ki\u1ec3m tra t\u00ednh \u0111\u1ea7y \u0111\u1ee7<\/h3>\n<p>X\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ng\u01b0\u1eddi tham gia \u0111\u1ec1u c\u00f3 \u00edt nh\u1ea5t m\u1ed9t use case. M\u1ed9t ng\u01b0\u1eddi tham gia kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i th\u01b0\u1eddng l\u00e0 l\u1ed7i. X\u00e1c minh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c use case \u0111\u1ec1u c\u00f3 \u00edt nh\u1ea5t m\u1ed9t ng\u01b0\u1eddi tham gia. M\u1ed9t use case kh\u00f4ng c\u00f3 ng\u01b0\u1eddi tham gia l\u00e0 m\u1ed9t ch\u1ee9c n\u0103ng kh\u00f4ng c\u00f3 ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h2>\ud83d\udcc8 M\u1edf r\u1ed9ng lu\u1ed3ng c\u00f4ng vi\u1ec7c: T\u1eeb t\u0129nh \u0111\u1ebfn \u0111\u1ed9ng<\/h2>\n<p>S\u01a1 \u0111\u1ed3 use case l\u00e0 t\u0129nh. Ch\u00fang th\u1ec3 hi\u1ec7n c\u1ea5u tr\u00fac, ch\u1ee9 kh\u00f4ng ph\u1ea3i h\u00e0nh vi theo th\u1eddi gian. \u0110\u1ec3 \u0111\u1ecbnh ngh\u0129a \u0111\u1ea7y \u0111\u1ee7 lu\u1ed3ng c\u00f4ng vi\u1ec7c, b\u1ea1n cu\u1ed1i c\u00f9ng s\u1ebd c\u1ea7n s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 ho\u1eb7c s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng. Tuy nhi\u00ean, s\u01a1 \u0111\u1ed3 use case l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u.<\/p>\n<p>V\u1edbi m\u1ed7i use case trong s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n, b\u1ea1n n\u00ean cu\u1ed1i c\u00f9ng vi\u1ebft m\u1ed9t<strong>T\u00e0i li\u1ec7u m\u00f4 t\u1ea3 use case<\/strong>. T\u00e0i li\u1ec7u n\u00e0y chi ti\u1ebft lu\u1ed3ng s\u1ef1 ki\u1ec7n.<\/p>\n<ul>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft:<\/strong> \u0110i\u1ec1u g\u00ec ph\u1ea3i \u0111\u00fang tr\u01b0\u1edbc khi use case b\u1eaft \u0111\u1ea7u? (v\u00ed d\u1ee5: Ng\u01b0\u1eddi d\u00f9ng \u0111\u00e3 \u0111\u0103ng nh\u1eadp).<\/li>\n<li><strong>Lu\u1ed3ng c\u01a1 b\u1ea3n:<\/strong> Con \u0111\u01b0\u1eddng h\u1ea1nh ph\u00fac. Th\u1ee9 t\u1ef1 c\u00e1c b\u01b0\u1edbc n\u1ebfu m\u1ecdi th\u1ee9 di\u1ec5n ra \u0111\u00fang.<\/li>\n<li><strong>Lu\u1ed3ng thay th\u1ebf:<\/strong> \u0110i\u1ec1u g\u00ec x\u1ea3y ra n\u1ebfu c\u00f3 chuy\u1ec7n sai? (v\u00ed d\u1ee5: M\u1eadt kh\u1ea9u sai).<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n h\u1eadu t\u1ed1:<\/strong> \u0110i\u1ec1u g\u00ec \u0111\u00fang sau khi use case k\u1ebft th\u00fac? (v\u00ed d\u1ee5: \u0110\u01a1n h\u00e0ng \u0111\u01b0\u1ee3c t\u1ea1o).<\/li>\n<\/ul>\n<p>T\u00e0i li\u1ec7u n\u00e0y gi\u00fap l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch gi\u1eefa s\u01a1 \u0111\u1ed3 tr\u1ef1c quan v\u00e0 logic m\u00e3 ngu\u1ed3n th\u1ef1c t\u1ebf.<\/p>\n<h2>\ud83c\udfaf C\u00e1c Th\u1ef1c H\u00e0nh T\u1ed1t Nh\u1ea5t Cho Ng\u01b0\u1eddi M\u1edbi B\u1eaft \u0110\u1ea7u<\/h2>\n<p>\u0110\u1ec3 duy tr\u00ec s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 uy t\u00edn trong c\u00e1c m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n, h\u00e3y tu\u00e2n theo c\u00e1c h\u01b0\u1edbng d\u1eabn n\u00e0y.<\/p>\n<ul>\n<li><strong>Gi\u1eef \u0111\u01a1n gi\u1ea3n:<\/strong>M\u1ed9t s\u01a1 \u0111\u1ed3 v\u1edbi h\u01a1n 50 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 qu\u00e1 l\u1edbn. H\u00e3y chia nh\u1ecf ra. M\u1ed9t h\u1ec7 th\u1ed1ng v\u1edbi nhi\u1ec1u ch\u1ee9c n\u0103ng c\u00f3 th\u1ec3 c\u1ea7n nhi\u1ec1u s\u01a1 \u0111\u1ed3 (v\u00ed d\u1ee5: \u201cB\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n tr\u1ecb\u201d so v\u1edbi \u201cC\u1ed5ng kh\u00e1ch h\u00e0ng\u201d).<\/li>\n<li><strong>S\u1eed d\u1ee5ng t\u00ean r\u00f5 r\u00e0ng:<\/strong>S\u1eed d\u1ee5ng \u0111\u1ed9ng t\u1eeb. Tr\u00e1nh danh t\u1eeb. \u201c\u0110\u0103ng nh\u1eadp\u201d t\u1ed1t h\u01a1n \u201cM\u00e0n h\u00ecnh \u0111\u0103ng nh\u1eadp\u201d. \u201cT\u00ednh thu\u1ebf\u201d t\u1ed1t h\u01a1n \u201cT\u00ednh to\u00e1n thu\u1ebf\u201d.<\/li>\n<li><strong>Ti\u00eau chu\u1ea9n h\u00f3a k\u00fd hi\u1ec7u:<\/strong>Duy tr\u00ec c\u00e1c k\u00fd hi\u1ec7u UML ti\u00eau chu\u1ea9n. Kh\u00f4ng t\u1ef1 s\u00e1ng t\u1ea1o h\u00ecnh d\u1ea1ng ri\u00eang. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ea5t k\u1ef3 ai quen thu\u1ed9c v\u1edbi UML \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>L\u1eb7p l\u1ea1i:<\/strong>S\u01a1 \u0111\u1ed3 \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng ho\u00e0n h\u1ea3o. H\u00e3y chu\u1ea9n b\u1ecb s\u1eeda \u0111\u1ed5i n\u00f3 khi b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 y\u00eau c\u1ea7u. C\u00e1c m\u00f4 h\u00ecnh l\u00e0 t\u00e0i li\u1ec7u s\u1ed1ng \u0111\u1ed9ng.<\/li>\n<\/ul>\n<h2>\ud83e\udd1d H\u1ee3p t\u00e1c v\u00e0 Ph\u1ea3n h\u1ed3i<\/h2>\n<p>M\u00f4 h\u00ecnh h\u00f3a l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng x\u00e3 h\u1ed9i. Chia s\u1ebb b\u1ea3n nh\u00e1p s\u1edbm. \u0110\u1eebng ch\u1edd \u0111\u1ebfn cu\u1ed1i m\u1edbi tr\u00ecnh b\u00e0y c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n. Khi c\u00e1c b\u00ean li\u00ean quan th\u1ea5y y\u00eau c\u1ea7u c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c minh h\u1ecda tr\u1ef1c quan, h\u1ecd th\u01b0\u1eddng nh\u1eadn ra s\u1ef1 hi\u1ec3u l\u1ea7m ngay l\u1eadp t\u1ee9c. \u0110i\u1ec1u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed \u0111\u00e1ng k\u1ec3 trong giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n sau n\u00e0y.<\/p>\n<p>Khuy\u1ebfn kh\u00edch \u0111\u1eb7t c\u00e2u h\u1ecfi. N\u1ebfu m\u1ed9t b\u00ean li\u00ean quan tr\u00f4ng b\u1ed1i r\u1ed1i v\u1edbi m\u1ed9t m\u0169i t\u00ean m\u1ed1i quan h\u1ec7, h\u00e3y gi\u1ea3i th\u00edch. N\u1ebfu h\u1ecd \u0111\u1ec1 xu\u1ea5t m\u1ed9t t\u00e1c nh\u00e2n m\u1edbi, h\u00e3y th\u00eam v\u00e0o. S\u01a1 \u0111\u1ed3 thu\u1ed9c v\u1ec1 \u0111\u1ed9i d\u1ef1 \u00e1n, ch\u1ee9 kh\u00f4ng ch\u1ec9 ri\u00eang nh\u00e0 ph\u00e2n t\u00edch.<\/p>\n<h2>\ud83d\udccc T\u00f3m t\u1eaft Nh\u1eefng \u0110i\u1ec3m Ch\u00ednh C\u1ea7n Nh\u1edb<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u th\u00e0nh c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00f2i h\u1ecfi s\u1ef1 k\u1ef7 lu\u1eadt v\u00e0 ch\u00fa \u00fd \u0111\u1ebfn chi ti\u1ebft. B\u1eb1ng c\u00e1ch tu\u00e2n theo quy tr\u00ecnh c\u00f3 c\u1ea5u tr\u00fac, b\u1ea1n \u0111\u1ea3m b\u1ea3o ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<ul>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n:<\/strong>Ai t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng?<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau:<\/strong>M\u1ed7i t\u00e1c nh\u00e2n mu\u1ed1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u g\u00ec?<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7:<\/strong>C\u00e1c t\u00e1c nh\u00e2n v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i v\u1edbi nhau nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n<li><strong>X\u00e1c minh:<\/strong>\u0110\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 y\u00eau c\u1ea7u \u0111\u1ec1u \u0111\u01b0\u1ee3c bao ph\u1ee7.<\/li>\n<li><strong>L\u1eb7p l\u1ea1i:<\/strong>Tinh ch\u1ec9nh m\u00f4 h\u00ecnh khi hi\u1ec3u bi\u1ebft ng\u00e0y c\u00e0ng t\u0103ng.<\/li>\n<\/ul>\n<p>Th\u00e0nh th\u1ea1o quy tr\u00ecnh n\u00e0y kh\u00f4ng x\u1ea3y ra trong m\u1ed9t \u0111\u00eam, nh\u01b0ng luy\u1ec7n t\u1eadp \u0111\u1ec1u \u0111\u1eb7n s\u1ebd x\u00e2y d\u1ef1ng n\u0103ng l\u1ef1c. T\u1eadp trung v\u00e0o logic v\u00e0 gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c mang l\u1ea1i, c\u00e1c s\u01a1 \u0111\u1ed3 s\u1ebd t\u1ef1 nhi\u00ean tr\u1edf n\u00ean r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong vi\u1ec7c giao ti\u1ebfp.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m th\u01b0\u1eddng b\u1ecb \u0111\u00ecnh tr\u1ec7 kh\u00f4ng ph\u1ea3i do m\u00e3 ngu\u1ed3n, m\u00e0 do giao ti\u1ebfp. C\u00e1c b\u00ean li\u00ean quan m\u00f4 t\u1ea3 nh\u1eefng g\u00ec h\u1ecd c\u1ea7n b\u1eb1ng ng\u00f4n ng\u1eef&hellip;<\/p>\n","protected":false},"author":1,"featured_media":504,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"T\u1eeb Y\u00eau C\u1ea7u \u0111\u1ebfn C\u00e1c Tr\u01b0\u1eddng H\u1ee3p S\u1eed D\u1ee5ng: Quy Tr\u00ecnh M\u00f4 H\u00ecnh H\u00f3a UML Cho Ng\u01b0\u1eddi M\u1edbi B\u1eaft \u0110\u1ea7u","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch chuy\u1ec3n \u0111\u1ed5i y\u00eau c\u1ea7u ph\u1ea7n m\u1ec1m th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML r\u00f5 r\u00e0ng. 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