{"id":1639,"date":"2026-02-28T12:43:34","date_gmt":"2026-02-28T12:43:34","guid":{"rendered":"https:\/\/www.tech-posts.com\/vi\/simplifying-large-use-case-diagrams-with-include-relationships\/"},"modified":"2026-02-28T12:43:34","modified_gmt":"2026-02-28T12:43:34","slug":"simplifying-large-use-case-diagrams-with-include-relationships","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/vi\/simplifying-large-use-case-diagrams-with-include-relationships\/","title":{"rendered":"\u0110\u01a1n gi\u1ea3n h\u00f3a c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u1edbn v\u1edbi c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m"},"content":{"rendered":"<h2 data-pm-slice=\"1 1 []\" dir=\"ltr\">Gi\u1edbi thi\u1ec7u<\/h2>\n<p dir=\"ltr\">Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng gi\u00fap h\u00ecnh dung c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng (ng\u01b0\u1eddi tham gia) v\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ec3 ghi l\u1ea1i c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3. Khi h\u1ec7 th\u1ed1ng m\u1edf r\u1ed9ng, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f3 ki\u1ec3m so\u00e1t, ch\u1ee9a \u0111\u1ef1ng c\u00e1c h\u00e0nh vi l\u1eb7p l\u1ea1i ho\u1eb7c ph\u1ee9c t\u1ea1p l\u00e0m m\u1edd \u0111i ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a h\u1ec7 th\u1ed1ng. M\u1ed1i quan h\u1ec7 <strong>m\u1ed1i quan h\u1ec7 bao g\u1ed3m<\/strong>trong UML gi\u1ea3i quy\u1ebft th\u00e1ch th\u1ee9c n\u00e0y b\u1eb1ng c\u00e1ch cho ph\u00e9p c\u00e1c h\u00e0nh vi chung \u0111\u01b0\u1ee3c tr\u00edch xu\u1ea5t v\u00e0o c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00e0 c\u00f3 t\u00ednh module. B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00e1ch c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, nh\u1eefng l\u1ee3i \u00edch ch\u00ednh c\u1ee7a ch\u00fang v\u00e0 c\u00e1c v\u00ed d\u1ee5 th\u1ef1c t\u1ebf \u0111\u1ec3 minh h\u1ecda t\u00ednh h\u1eefu \u00edch c\u1ee7a ch\u00fang.<\/p>\n<h2 dir=\"ltr\">M\u1ed1i quan h\u1ec7 bao g\u1ed3m l\u00e0 g\u00ec?<\/h2>\n<p dir=\"ltr\">M\u1ed9t <strong>m\u1ed1i quan h\u1ec7 bao g\u1ed3m<\/strong>trong UML x\u00e1c \u0111\u1ecbnh r\u1eb1ng m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u01a1 s\u1edf t\u00edch h\u1ee3p h\u00e0nh vi c\u1ee7a m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m. S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m \u0111\u1ea1i di\u1ec7n cho m\u1ed9t chu\u1ed7i c\u00e1c h\u00e0nh \u0111\u1ed9ng m\u00e0 <strong>lu\u00f4n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n<\/strong>l\u00e0 m\u1ed9t ph\u1ea7n trong lu\u1ed3ng c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u01a1 s\u1edf. V\u1ec1 m\u1eb7t tr\u1ef1c quan, m\u1ed1i quan h\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng m\u1ed9t <strong>m\u0169i t\u00ean \u0111\u1ee9t \u0111o\u1ea1n v\u1edbi \u0111\u1ea7u m\u0169i t\u00ean h\u1edf<\/strong>ch\u1ec9 t\u1eeb s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u01a1 s\u1edf \u0111\u1ebfn s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m, \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n b\u1eb1ng ki\u1ec3u \u0111\u1eb7c t\u1ea3 \u00abbao g\u1ed3m\u00bb.<\/p>\n<p dir=\"ltr\">M\u1ed1i quan h\u1ec7 bao g\u1ed3m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u1eddi g\u1ecdi h\u00e0m con trong l\u1eadp tr\u00ecnh: s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u01a1 s\u1edf &#8220;g\u1ecdi&#8221; s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t nhi\u1ec7m v\u1ee5 c\u1ee5 th\u1ec3, th\u00fac \u0111\u1ea9y m\u00f4 h\u00ecnh h\u00f3a c\u00f3 c\u1ea5u tr\u00fac v\u00e0 ph\u00e2n c\u1ea5p. B\u1eb1ng c\u00e1ch tr\u00edch xu\u1ea5t c\u00e1c h\u00e0nh vi chung ho\u1eb7c ph\u1ee9c t\u1ea1p v\u00e0o c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p ri\u00eang bi\u1ec7t, c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m gi\u1ea3m thi\u1ec3u s\u1ef1 tr\u00f9ng l\u1eb7p, n\u00e2ng cao t\u00ednh r\u00f5 r\u00e0ng v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec.<\/p>\n<h2 dir=\"ltr\">L\u1ee3i \u00edch c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m<\/h2>\n<p dir=\"ltr\">C\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch khi m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p:<\/p>\n<ol class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>T\u00e1i s\u1eed d\u1ee5ng h\u00e0nh vi chung<\/strong>: C\u00e1c ch\u1ee9c n\u0103ng chung gi\u1eefa nhi\u1ec1u s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i v\u00e0o m\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m duy nh\u1ea5t, lo\u1ea1i b\u1ecf s\u1ef1 tr\u00f9ng l\u1eb7p.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>\u0110\u01a1n gi\u1ea3n h\u00f3a c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p ph\u1ee9c t\u1ea1p<\/strong>: C\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p l\u1edbn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c m\u00f4-\u0111un nh\u1ecf h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd, gi\u00fap s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean \u00edt r\u1ed1i r\u1eafm h\u01a1n.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Th\u1ef1c hi\u1ec7n b\u1eaft bu\u1ed9c<\/strong>: S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m lu\u00f4n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u01a1 s\u1edf, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ea7y \u0111\u1ee7 m\u00e0 kh\u00f4ng l\u00e0m qu\u00e1 t\u1ea3i lu\u1ed3ng ch\u00ednh b\u1eb1ng chi ti\u1ebft.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>C\u1ea3i thi\u1ec7n t\u00ednh r\u00f5 r\u00e0ng v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec<\/strong>: B\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1, s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p c\u01a1 s\u1edf t\u1eadp trung v\u00e0o h\u00e0nh vi ri\u00eang bi\u1ec7t c\u1ee7a n\u00f3, trong khi c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1ee3c bao g\u1ed3m x\u1eed l\u00fd c\u00e1c chu\u1ed7i c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng, gi\u00fap vi\u1ec7c c\u1eadp nh\u1eadt tr\u1edf n\u00ean \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>M\u00f4 h\u00ecnh h\u00f3a c\u00f3 c\u1ea5u tr\u00fac<\/strong>: C\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf ph\u00e2n c\u1ea5p, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c h\u00e0m con, gi\u00fap h\u1ec7 th\u1ed1ng d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 m\u1edf r\u1ed9ng h\u01a1n.<\/p>\n<\/li>\n<\/ol>\n<h2 dir=\"ltr\">V\u00ed d\u1ee5 v\u1ec1 c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m<\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 minh h\u1ecda s\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m, h\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 th\u1ef1c t\u1ebf trong c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n<h3 dir=\"ltr\">V\u00ed d\u1ee5 1: H\u1ec7 th\u1ed1ng mua s\u1eafm tr\u1ef1c tuy\u1ebfn<\/h3>\n<p dir=\"ltr\">H\u00e3y xem x\u00e9t m\u1ed9t n\u1ec1n t\u1ea3ng mua s\u1eafm tr\u1ef1c tuy\u1ebfn n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 duy\u1ec7t s\u1ea3n ph\u1ea9m, th\u00eam h\u00e0ng v\u00e0o gi\u1ecf h\u00e0ng v\u00e0 thanh to\u00e1n. Nhi\u1ec1u s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p, ch\u1eb3ng h\u1ea1n nh\u01b0 &#8220;Mua s\u1ea3n ph\u1ea9m&#8221;, &#8220;\u0110\u1eb7t h\u00e0ng&#8221;, v\u00e0 &#8220;T\u1eb7ng s\u1ea3n ph\u1ea9m&#8221;, \u0111\u1ec1u y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i x\u00e1c th\u1ef1c tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh.<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/strong>: \u201cMua s\u1ea3n ph\u1ea9m,\u201d \u201c\u0110\u1eb7t tr\u01b0\u1edbc h\u00e0ng,\u201d \u201cT\u1eb7ng h\u00e0ng\u201d<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>: \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Thay v\u00ec l\u1eb7p l\u1ea1i c\u00e1c b\u01b0\u1edbc x\u00e1c th\u1ef1c trong t\u1eebng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, ch\u00fang t\u00f4i t\u00e1ch ch\u00fang ra th\u00e0nh m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng duy nh\u1ea5t l\u00e0 \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m n\u00e0y x\u1eed l\u00fd c\u00e1c nhi\u1ec7m v\u1ee5 nh\u01b0 y\u00eau c\u1ea7u th\u00f4ng tin \u0111\u0103ng nh\u1eadp v\u00e0 x\u00e1c minh ch\u00fang. S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng s\u1ebd hi\u1ec3n th\u1ecb:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\">M\u1ed9t m\u0169i t\u00ean n\u00e9t \u0111\u1ee9t t\u1eeb \u201cMua s\u1ea3n ph\u1ea9m\u201d \u0111\u1ebfn \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d v\u1edbi nh\u00e3n \u00abinclude\u00bb.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">C\u00e1c m\u0169i t\u00ean t\u01b0\u01a1ng t\u1ef1 t\u1eeb \u201c\u0110\u1eb7t tr\u01b0\u1edbc h\u00e0ng\u201d v\u00e0 \u201cT\u1eb7ng h\u00e0ng\u201d \u0111\u1ebfn \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u1ea3m thi\u1ec3u s\u1ef1 tr\u00f9ng l\u1eb7p, v\u00ec logic x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a m\u1ed9t l\u1ea7n v\u00e0 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, gi\u00fap s\u01a1 \u0111\u1ed3 lu\u00f4n g\u1ecdn g\u00e0ng v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec.<\/p>\n<h3 dir=\"ltr\">V\u00ed d\u1ee5 2: H\u1ec7 th\u1ed1ng ng\u00e2n h\u00e0ng<\/h3>\n<p dir=\"ltr\">Trong m\u1ed9t h\u1ec7 th\u1ed1ng ng\u00e2n h\u00e0ng, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0nh \u0111\u1ed9ng nh\u01b0 \u201cR\u00fat ti\u1ec1n,\u201d \u201cG\u1eedi ti\u1ec1n,\u201d v\u00e0 \u201cChuy\u1ec3n ti\u1ec1n.\u201d M\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00e0y \u0111\u1ec1u y\u00eau c\u1ea7u x\u00e1c minh t\u00e0i kho\u1ea3n c\u1ee7a kh\u00e1ch h\u00e0ng tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/strong>: \u201cR\u00fat ti\u1ec1n,\u201d \u201cG\u1eedi ti\u1ec1n,\u201d \u201cChuy\u1ec3n ti\u1ec1n\u201d<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>: \u201cX\u00e1c minh t\u00e0i kho\u1ea3n\u201d<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u201cX\u00e1c minh t\u00e0i kho\u1ea3n\u201d ki\u1ec3m tra tr\u1ea1ng th\u00e1i t\u00e0i kho\u1ea3n, s\u1ed1 d\u01b0 v\u00e0 quy\u1ec1n h\u1ea1n. B\u1eb1ng c\u00e1ch bao g\u1ed3m tr\u01b0\u1eddng h\u1ee3p n\u00e0y v\u00e0o m\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n, s\u01a1 \u0111\u1ed3 tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c l\u1eb7p l\u1ea1i logic x\u00e1c minh. Bi\u1ec3u di\u1ec5n tr\u1ef1c quan bao g\u1ed3m c\u00e1c m\u0169i t\u00ean n\u00e9t \u0111\u1ee9t c\u00f3 nh\u00e3n \u00abinclude\u00bb t\u1eeb m\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n \u0111\u1ebfn \u201cX\u00e1c minh t\u00e0i kho\u1ea3n\u201d. Vi\u1ec7c ph\u00e2n m\u1ea3nh n\u00e0y l\u00e0m \u0111\u01a1n gi\u1ea3n h\u00f3a s\u01a1 \u0111\u1ed3 v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng vi\u1ec7c x\u00e1c minh t\u00e0i kho\u1ea3n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1ea5t qu\u00e1n.<\/p>\n<h3 dir=\"ltr\">V\u00ed d\u1ee5 3: H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd th\u01b0 vi\u1ec7n<\/h3>\n<p dir=\"ltr\">Trong m\u1ed9t h\u1ec7 th\u1ed1ng th\u01b0 vi\u1ec7n, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u201cM\u01b0\u1ee3n s\u00e1ch,\u201d \u201cTr\u1ea3 s\u00e1ch,\u201d ho\u1eb7c \u201c\u0110\u1eb7t tr\u01b0\u1edbc s\u00e1ch.\u201d M\u1ed7i h\u00e0nh \u0111\u1ed9ng n\u00e0y \u0111\u1ec1u y\u00eau c\u1ea7u ki\u1ec3m tra t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a s\u00e1ch.<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/strong>: \u201cM\u01b0\u1ee3n s\u00e1ch,\u201d \u201cTr\u1ea3 s\u00e1ch,\u201d \u201c\u0110\u1eb7t tr\u01b0\u1edbc s\u00e1ch\u201d<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>: \u201cKi\u1ec3m tra t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a s\u00e1ch\u201d<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u201cKi\u1ec3m tra t\u00ednh s\u1eb5n c\u00f3 c\u1ee7a s\u00e1ch\u201d x\u00e1c minh xem s\u00e1ch c\u00f3 c\u00f2n trong kho v\u00e0 ch\u01b0a b\u1ecb \u0111\u1eb7t tr\u01b0\u1edbc hay kh\u00f4ng. B\u1eb1ng c\u00e1ch bao g\u1ed3m tr\u01b0\u1eddng h\u1ee3p n\u00e0y v\u00e0o c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n, s\u01a1 \u0111\u1ed3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c s\u1ef1 g\u1ecdn g\u00e0ng, v\u00e0 c\u00e1c c\u1eadp nh\u1eadt v\u1ec1 logic ki\u1ec3m tra t\u00ednh s\u1eb5n c\u00f3 (v\u00ed d\u1ee5: t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng kho m\u1edbi) ch\u1ec9 c\u1ea7n th\u1ef1c hi\u1ec7n t\u1ea1i m\u1ed9t \u0111i\u1ec3m duy nh\u1ea5t.<\/p>\n<h3 dir=\"ltr\">V\u00ed d\u1ee5 4: H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd b\u1ec7nh vi\u1ec7n<\/h3>\n<p dir=\"ltr\">Trong m\u1ed9t h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd b\u1ec7nh vi\u1ec7n, b\u1ec7nh nh\u00e2n c\u00f3 th\u1ec3 \u201c\u0110\u1eb7t l\u1ecbch h\u1eb9n,\u201d \u201cH\u1ee7y l\u1ecbch h\u1eb9n,\u201d ho\u1eb7c \u201c\u0110i\u1ec1u ch\u1ec9nh l\u1ecbch h\u1eb9n.\u201d M\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00e0y \u0111\u1ec1u y\u00eau c\u1ea7u x\u00e1c minh danh t\u00ednh c\u1ee7a b\u1ec7nh nh\u00e2n.<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/strong>: \u201c\u0110\u1eb7t l\u1ecbch h\u1eb9n,\u201d \u201cH\u1ee7y l\u1ecbch h\u1eb9n,\u201d \u201c\u0110i\u1ec1u ch\u1ec9nh l\u1ecbch h\u1eb9n\u201d<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>: \u201cX\u00e1c minh danh t\u00ednh b\u1ec7nh nh\u00e2n\u201d<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u201cX\u00e1c minh danh t\u00ednh b\u1ec7nh nh\u00e2n\u201d x\u1eed l\u00fd c\u00e1c nhi\u1ec7m v\u1ee5 nh\u01b0 ki\u1ec3m tra ID ho\u1eb7c th\u00f4ng tin b\u1ea3o hi\u1ec3m c\u1ee7a b\u1ec7nh nh\u00e2n. Vi\u1ec7c bao g\u1ed3m tr\u01b0\u1eddng h\u1ee3p n\u00e0y v\u00e0o c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n \u0111\u1ea3m b\u1ea3o r\u1eb1ng vi\u1ec7c x\u00e1c minh danh t\u00ednh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u1ea5t qu\u00e1n m\u00e0 kh\u00f4ng c\u1ea7n l\u1eb7p l\u1ea1i c\u00e1c b\u01b0\u1edbc trong s\u01a1 \u0111\u1ed3. C\u00e1c m\u0169i t\u00ean n\u00e9t \u0111\u1ee9t c\u00f3 nh\u00e3n \u00abinclude\u00bb k\u1ebft n\u1ed1i m\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n v\u1edbi \u201cX\u00e1c minh danh t\u00ednh b\u1ec7nh nh\u00e2n\u201d, gi\u00fap t\u0103ng t\u00ednh r\u00f5 r\u00e0ng.<\/p>\n<h3 dir=\"ltr\">V\u00ed d\u1ee5 5: N\u1ec1n t\u1ea3ng h\u1ecdc tr\u1ef1c tuy\u1ebfn<\/h3>\n<p dir=\"ltr\">Trong m\u1ed9t n\u1ec1n t\u1ea3ng h\u1ecdc t\u1eadp tr\u1ef1c tuy\u1ebfn, sinh vi\u00ean c\u00f3 th\u1ec3 \u201cL\u00e0m b\u00e0i ki\u1ec3m tra\u201d, \u201cN\u1ed9p b\u00e0i t\u1eadp\u201d ho\u1eb7c \u201cXem \u0111i\u1ec3m s\u1ed1\u201d. M\u1ed7i h\u00e0nh \u0111\u1ed9ng n\u00e0y \u0111\u1ec1u y\u00eau c\u1ea7u sinh vi\u00ean \u0111\u0103ng nh\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng.<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n<\/strong>: \u201cL\u00e0m b\u00e0i ki\u1ec3m tra\u201d, \u201cN\u1ed9p b\u00e0i t\u1eadp\u201d, \u201cXem \u0111i\u1ec3m s\u1ed1\u201d<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>: \u201c\u0110\u0103ng nh\u1eadp\u201d<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u201c\u0110\u0103ng nh\u1eadp\u201d bao h\u00e0m c\u00e1c b\u01b0\u1edbc x\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng. B\u1eb1ng c\u00e1ch bao g\u1ed3m n\u00f3 trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n, s\u01a1 \u0111\u1ed3 tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c l\u1eb7p l\u1ea1i c\u00e1c b\u01b0\u1edbc \u0111\u0103ng nh\u1eadp, gi\u00fap d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n. Bi\u1ec3u di\u1ec5n tr\u1ef1c quan cho th\u1ea5y c\u00e1c m\u0169i t\u00ean \u0111\u1ee9t \u0111o\u1ea1n \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n \u00abinclude\u00bb \u0111i t\u1eeb m\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n \u0111\u1ebfn \u201c\u0110\u0103ng nh\u1eadp\u201d.<\/p>\n<h2 dir=\"ltr\">Bi\u1ec3u di\u1ec5n tr\u1ef1c quan trong UML<\/h2>\n<p dir=\"ltr\">Trong s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML, m\u1ed1i quan h\u1ec7 include \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 sau:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\">M\u1ed9t <strong>m\u0169i t\u00ean \u0111\u1ee9t \u0111o\u1ea1n<\/strong>v\u1edbi m\u1ed9t <strong>\u0111\u1ea7u m\u0169i t\u00ean h\u1edf<\/strong>\u0111i t\u1eeb tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">M\u0169i t\u00ean \u0111\u01b0\u1ee3c \u0111\u00e1nh nh\u00e3n v\u1edbi ki\u1ec3u stereotype <strong>\u00abinclude\u00bb<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5, trong v\u00ed d\u1ee5 mua s\u1eafm tr\u1ef1c tuy\u1ebfn:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>Mua s\u1ea3n ph\u1ea9m<\/strong> \u2192 \u00abinclude\u00bb \u2192 <strong>X\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng<\/strong><\/p>\n<\/li>\n<li>\n<p dir=\"ltr\">S\u01a1 \u0111\u1ed3 r\u00f5 r\u00e0ng cho th\u1ea5y \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d l\u00e0 m\u1ed9t ph\u1ea7n b\u1eaft bu\u1ed9c trong lu\u1ed3ng \u201cMua s\u1ea3n ph\u1ea9m\u201d.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Th\u1ecfa thu\u1eadn tr\u1ef1c quan n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u00ean li\u00ean quan c\u00f3 th\u1ec3 nhanh ch\u00f3ng n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1c ph\u1ee5 thu\u1ed9c c\u1ee7a ch\u00fang.<\/p>\n<h2 dir=\"ltr\">So s\u00e1nh v\u1edbi m\u1ed1i quan h\u1ec7 extend<\/h2>\n<p dir=\"ltr\">\u0110\u00e1ng ch\u00fa \u00fd l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa <strong>include<\/strong> v\u00e0 <strong>extend<\/strong>m\u1ed1i quan h\u1ec7 \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn:<\/p>\n<ul class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>Include<\/strong>: Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c bao g\u1ed3m l\u00e0 <strong>lu\u00f4n \u0111\u01b0\u1ee3c th\u1ef1c thi<\/strong> nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a use case c\u01a1 s\u1edf (b\u1eaft bu\u1ed9c).<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>M\u1edf r\u1ed9ng<\/strong>: Use case m\u1edf r\u1ed9ng l\u00e0<strong>t\u00f9y ch\u1ecdn<\/strong> v\u00e0 ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c thi trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5, trong h\u1ec7 th\u1ed1ng mua s\u1eafm tr\u1ef1c tuy\u1ebfn, \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d \u0111\u01b0\u1ee3c bao g\u1ed3m v\u00ec n\u00f3 l\u00e0 b\u1eaft bu\u1ed9c, nh\u01b0ng m\u1ed9t use case nh\u01b0 \u201c\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1\u201d c\u00f3 th\u1ec3 l\u00e0 m\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng, v\u00ec n\u00f3 l\u00e0 t\u00f9y ch\u1ecdn v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng c\u00f3 m\u00e3 h\u1ee3p l\u1ec7 hay kh\u00f4ng.<\/p>\n<h2 dir=\"ltr\">C\u00e1c nguy\u00ean t\u1eafc t\u1ed1t nh\u1ea5t khi s\u1eed d\u1ee5ng m\u1ed1i quan h\u1ec7 bao g\u1ed3m<\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a l\u1ee3i \u00edch c\u1ee7a m\u1ed1i quan h\u1ec7 bao g\u1ed3m, h\u00e3y c\u00e2n nh\u1eafc nh\u1eefng \u0111i\u1ec1u sau:<\/p>\n<ol class=\"tight\" data-tight=\"true\" dir=\"ltr\">\n<li>\n<p dir=\"ltr\"><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0nh vi chung<\/strong>: T\u00ecm ki\u1ebfm c\u00e1c chu\u1ed7i h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i trong nhi\u1ec1u use case, ch\u1eb3ng h\u1ea1n nh\u01b0 x\u00e1c th\u1ef1c, ki\u1ec3m tra ho\u1eb7c ghi nh\u1eadt k\u00fd.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>Gi\u1eef c\u00e1c use case \u0111\u01b0\u1ee3c bao g\u1ed3m t\u1eadp trung<\/strong>: \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c use case \u0111\u01b0\u1ee3c bao g\u1ed3m bao h\u00e0m c\u00e1c h\u00e0nh vi c\u1ee5 th\u1ec3, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng thay v\u00ec to\u00e0n b\u1ed9 quy tr\u00ecnh.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>C\u00e2n b\u1eb1ng gi\u1eefa t\u00ednh module v\u00e0 t\u00ednh \u0111\u01a1n gi\u1ea3n<\/strong>: Tr\u00e1nh ph\u00e2n m\u1ea3nh qu\u00e1 m\u1ee9c c\u00e1c use case, v\u00ec qu\u00e1 nhi\u1ec1u use case \u0111\u01b0\u1ee3c bao g\u1ed3m c\u00f3 th\u1ec3 khi\u1ebfn s\u01a1 \u0111\u1ed3 kh\u00f3 theo d\u00f5i h\u01a1n.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>S\u1eed d\u1ee5ng quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean r\u00f5 r\u00e0ng<\/strong>: \u0110\u1eb7t t\u00ean c\u00e1c use case \u0111\u01b0\u1ee3c bao g\u1ed3m \u0111\u1ec3 ph\u1ea3n \u00e1nh m\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang (v\u00ed d\u1ee5: \u201cX\u00e1c th\u1ef1c ng\u01b0\u1eddi d\u00f9ng\u201d thay v\u00ec \u201cQuy tr\u00ecnh \u0111\u0103ng nh\u1eadp\u201d) \u0111\u1ec3 t\u0103ng t\u00ednh d\u1ec5 \u0111\u1ecdc.<\/p>\n<\/li>\n<li>\n<p dir=\"ltr\"><strong>X\u00e1c minh vi\u1ec7c th\u1ef1c thi b\u1eaft bu\u1ed9c<\/strong>: X\u00e1c nh\u1eadn r\u1eb1ng use case \u0111\u01b0\u1ee3c bao g\u1ed3m lu\u00f4n l\u00e0 b\u1eaft bu\u1ed9c; n\u1ebfu kh\u00f4ng, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng m\u1ed1i quan h\u1ec7 m\u1edf r\u1ed9ng.<\/p>\n<\/li>\n<\/ol>\n<h2 dir=\"ltr\">T\u00f3m t\u1eaft c\u00e1c l\u1ee3i \u00edch<\/h2>\n<p dir=\"ltr\">B\u1ea3ng sau \u0111\u00e2y t\u00f3m t\u1eaft c\u00e1c l\u1ee3i \u00edch ch\u00ednh c\u1ee7a m\u1ed1i quan h\u1ec7 bao g\u1ed3m:<\/p>\n<table>\n<colgroup>\n<col\/>\n<col\/><\/colgroup>\n<tbody>\n<tr class=\"border-border\">\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">L\u1ee3i \u00edch<\/p>\n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Gi\u1ea3i th\u00edch<\/p>\n<\/th>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">T\u00e1i s\u1eed d\u1ee5ng h\u00e0nh vi chung<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Tr\u00edch xu\u1ea5t ch\u1ee9c n\u0103ng chung \u0111\u1ec3 tr\u00e1nh tr\u00f9ng l\u1eb7p gi\u1eefa c\u00e1c use case<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">\u0110\u01a1n gi\u1ea3n h\u00f3a c\u00e1c use case ph\u1ee9c t\u1ea1p<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Chia nh\u1ecf c\u00e1c use case l\u1edbn th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf, d\u1ec5 qu\u1ea3n l\u00fd<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Th\u1ef1c thi b\u1eaft bu\u1ed9c<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Use case \u0111\u01b0\u1ee3c bao g\u1ed3m lu\u00f4n l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a use case c\u01a1 s\u1edf, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ea7y \u0111\u1ee7<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">T\u00ednh module v\u00e0 t\u00ednh r\u00f5 r\u00e0ng<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">T\u00e1ch bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1, c\u1ea3i thi\u1ec7n t\u00ednh d\u1ec5 \u0111\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec<\/p>\n<\/td>\n<\/tr>\n<tr class=\"border-border\">\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">M\u00f4 h\u00ecnh h\u00f3a c\u00f3 c\u1ea5u tr\u00fac<\/p>\n<\/td>\n<td colspan=\"1\" rowspan=\"1\">\n<p dir=\"ltr\">Gi\u1ed1ng nh\u01b0 g\u1ecdi c\u00e1c h\u00e0m con, h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf ph\u00e2n c\u1ea5p<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 dir=\"ltr\">K\u1ebft lu\u1eadn<\/h2>\n<p dir=\"ltr\">C\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a use case hi\u1ec7u qu\u1ea3 trong UML, cho ph\u00e9p t\u00e1i s\u1eed d\u1ee5ng v\u00e0 ph\u00e2n m\u1ea3nh c\u00e1c h\u00e0nh vi chung, b\u1eaft bu\u1ed9c. B\u1eb1ng c\u00e1ch tr\u00edch xu\u1ea5t ch\u1ee9c n\u0103ng chung v\u00e0o c\u00e1c use case \u0111\u01b0\u1ee3c bao g\u1ed3m, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 s\u1ea1ch s\u1ebd, d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n, d\u1ec5 hi\u1ec3u v\u00e0 c\u1eadp nh\u1eadt h\u01a1n. C\u00e1c v\u00ed d\u1ee5 \u0111\u01b0\u1ee3c \u0111\u01b0a ra\u2014t\u1eeb mua s\u1eafm tr\u1ef1c tuy\u1ebfn \u0111\u1ebfn qu\u1ea3n l\u00fd b\u1ec7nh vi\u1ec7n\u2014ch\u1ee9ng minh t\u00ednh linh ho\u1ea1t c\u1ee7a c\u00e1c m\u1ed1i quan h\u1ec7 bao g\u1ed3m trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u01a1 ch\u1ebf n\u00e0y, c\u00e1c nh\u00f3m c\u00f3 th\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p v\u1edbi \u0111\u1ed9 r\u00f5 r\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 cao h\u01a1n, t\u1eeb \u0111\u00f3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m c\u1ee7a h\u1ecd.<\/p>\n<h2 dir=\"ltr\">Tham kh\u1ea3o<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/21179_documentingu.html\">T\u00e0i li\u1ec7u chi ti\u1ebft use case trong Visual Paradigm<\/a><br \/>\nH\u01b0\u1edbng d\u1eabn c\u00e1ch ch\u1ec9nh s\u1eeda v\u00e0 xem chi ti\u1ebft use case trong Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/6362_drawinguseca.html\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 v\u1ebd s\u01a1 \u0111\u1ed3 use case? \u2013 Visual Paradigm<\/a><br \/>\nH\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 use case UML b\u1eb1ng Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">S\u01a1 \u0111\u1ed3 use case l\u00e0 g\u00ec? \u2013 Visual Paradigm<\/a><br \/>\nT\u1ed5ng quan v\u1ec1 s\u01a1 \u0111\u1ed3 use case v\u00e0 vai tr\u00f2 c\u1ee7a ch\u00fang trong vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi h\u1ec7 th\u1ed1ng.<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575_usecasediagr.html\">S\u01a1 \u0111\u1ed3 use case trong Visual Paradigm<\/a><br \/>\nGi\u1ea3i th\u00edch chi ti\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a s\u01a1 \u0111\u1ed3 use case v\u00e0 c\u00e1ch t\u00e0i li\u1ec7u h\u00f3a c\u00e1c s\u1ef1 ki\u1ec7n use case.<\/li>\n<li><a href=\"https:\/\/circle.visual-paradigm.com\/docs\/uml-and-sysml\/use-case-diagram\/use-case-diagram-notations-guide\/\">H\u01b0\u1edbng d\u1eabn k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 use case \u2013 Visual Paradigm<\/a><br \/>\nH\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 c\u00e1c k\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 use case UML \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 trong Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/www.archimetric.com\/comprehensive-guide-to-creating-use-case-diagrams-with-visual-paradigm\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 use case v\u1edbi Visual Paradigm<\/a><br \/>\nM\u1ed9t b\u00e0i h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n, \u0111\u1ecbnh ngh\u0129a use case v\u00e0 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c m\u1ed1i quan h\u1ec7 trong Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/www.angelfire.com\/space\/umltutor\/UseCaseModeling\/\">M\u00f4 t\u1ea3 use case trong Visual Paradigm cho UML \u2013 Angelfire<\/a><br \/>\nGi\u1ea3i th\u00edch m\u00f4 t\u1ea3 use case, l\u1eadp l\u1ecbch, chi ti\u1ebft h\u00f3a v\u00e0 t\u1ea1o t\u00e0i li\u1ec7u trong Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/guides.visual-paradigm.com\/demystifying-use-case-models-bridging-textual-detail-and-visual-insight\/\">Gi\u1ea3i m\u00e3 c\u00e1c m\u00f4 h\u00ecnh use case: K\u1ebft n\u1ed1i chi ti\u1ebft v\u0103n b\u1ea3n v\u00e0 c\u00e1i nh\u00ecn tr\u1ef1c quan<\/a><br \/>\nTh\u1ea3o lu\u1eadn v\u1ec1 c\u00e1ch k\u1ebft h\u1ee3p chi ti\u1ebft use case v\u0103n b\u1ea3n v\u1edbi c\u00e1c s\u01a1 \u0111\u1ed3 tr\u1ef1c quan trong Visual Paradigm.<\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/diagrams\/UseCase.html\">S\u01a1 \u0111\u1ed3 use case \u2013 C\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a UML \u2013 Visual Paradigm<\/a><br \/>\nTrang web ch\u00ednh th\u1ee9c c\u1ee7a Visual Paradigm gi\u1edbi thi\u1ec7u c\u00e1c t\u00ednh n\u0103ng v\u00e0 h\u1ed7 tr\u1ee3 k\u00fd hi\u1ec7u c\u1ee7a s\u01a1 \u0111\u1ed3 use case.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u Trong k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m, c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng gi\u00fap h\u00ecnh dung c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng (ng\u01b0\u1eddi tham gia) v\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng&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":[60,62],"tags":[],"class_list":["post-1639","post","type-post","status-publish","format-standard","hentry","category-unified-modeling-language","category-use-case-modeling"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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