{"id":436,"date":"2022-01-26T00:58:54","date_gmt":"2022-01-26T00:58:54","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/?p=436"},"modified":"2025-02-18T11:39:09","modified_gmt":"2025-02-18T03:39:09","slug":"use-case-tutorial-for-dummies","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/use-case-tutorial-for-dummies\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng tr\u01b0\u1eddng h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"<h3 class=\"graf graf--h3 graf-after--h3\" id=\"1b51\"><strong class=\"markup--strong markup--h3-strong\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/strong><\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"bdd6\">M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00e2n t\u00edch h\u1ec7 th\u1ed1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh, l\u00e0m r\u00f5 v\u00e0 t\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"7730\"><strong class=\"markup--strong markup--h3-strong\">S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"6518\">M\u1ed9t <a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" rel=\"noopener\" target=\"_blank\">s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a> m\u00f4 h\u00ecnh c\u00e1c lo\u1ea1i ng\u01b0\u1eddi d\u00f9ng kh\u00e1c nhau t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1. Do \u0111\u00f3, n\u00f3 m\u00f4 t\u1ea3 c\u00e1c m\u1ee5c ti\u00eau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng, v\u00e0 h\u00e0nh vi c\u1ea7n thi\u1ebft c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nh\u1eefng m\u1ee5c ti\u00eau n\u00e0y.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"271b\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" rel=\"noopener\" target=\"_blank\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a> \u0111\u1ecbnh ngh\u0129a c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c t\u00e1c nh\u00e2n b\u00ean ngo\u00e0i v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3. M\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u1ee9a b\u1ed1n th\u00e0nh ph\u1ea7n ch\u00ednh<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"d41e\"><img class=\"graf-image\" data-height=\"393\" data-image-id=\"0*D5fgzZp_5AeUFkKP.png\" data-is-featured=\"true\" data-width=\"643\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0D5fgzZp_5AeUFkKP.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"cfa5\">(<a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/92142a93-2b66-495e-8c97-6fd871672ee6.xml&amp;name=Passenger%20Service\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/92142a93-2b66-495e-8c97-6fd871672ee6.xml&amp;name=Passenger%20Service\" rel=\"noopener\" target=\"_blank\">Ch\u1ec9nh s\u1eeda v\u00ed d\u1ee5 s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u1edf tr\u00ean<\/a>)<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"4a50\">M\u1ed9t s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng bao g\u1ed3m m\u1ed9t s\u1ed1 ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh. C\u00e1c ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh quan tr\u1ecdng nh\u1ea5t l\u00e0:<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"23ac\"><strong class=\"markup--strong markup--p-strong\">T\u00e1c nh\u00e2n<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"c079\">C\u00e1c t\u00e1c nh\u00e2n th\u01b0\u1eddng l\u00e0 nh\u1eefng c\u00e1 nh\u00e2n li\u00ean quan \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo vai tr\u00f2 c\u1ee7a h\u1ecd. T\u00e1c nh\u00e2n c\u00f3 th\u1ec3 l\u00e0 con ng\u01b0\u1eddi ho\u1eb7c h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i kh\u00e1c.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"322d\"><strong class=\"markup--strong markup--p-strong\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"e5dd\">M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u00f4 t\u1ea3 c\u00e1ch m\u00e0 c\u00e1c t\u00e1c nh\u00e2n s\u1eed d\u1ee5ng m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3. C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c kh\u1edfi x\u01b0\u1edbng b\u1edfi m\u1ed9t ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c m\u1ee5c ti\u00eau m\u00f4 t\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng v\u00e0 bi\u1ebfn th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"c4da\"><strong class=\"markup--strong markup--p-strong\">M\u1ed1i quan h\u1ec7<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"9f51\">C\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa v\u00e0 gi\u1eefa c\u00e1c t\u00e1c nh\u00e2n v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"4cb7\"><strong class=\"markup--strong markup--p-strong\">Ranh gi\u1edbi h\u1ec7 th\u1ed1ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"a300\">Ranh gi\u1edbi h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng quan t\u00e2m li\u00ean quan \u0111\u1ebfn th\u1ebf gi\u1edbi xung quanh n\u00f3.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"c750\"><strong class=\"markup--strong markup--h3-strong\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"a060\">M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng (ho\u1eb7c t\u1eadp h\u1ee3p c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng) c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u00e0y:<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"1443\">T\u1ed5 ch\u1ee9c c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"4f8b\">M\u00f4 h\u00ecnh h\u00f3a c\u00e1c m\u1ee5c ti\u00eau c\u1ee7a c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa h\u1ec7 th\u1ed1ng\/t\u00e1c nh\u00e2n (ng\u01b0\u1eddi d\u00f9ng)<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"8b29\">Ghi l\u1ea1i c\u00e1c \u0111\u01b0\u1eddng \u0111i (g\u1ecdi l\u00e0 <em class=\"markup--em markup--li-em\">k\u1ecbch b\u1ea3n<\/em>) t\u1eeb c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t \u0111\u1ebfn c\u00e1c m\u1ee5c ti\u00eau<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"cde8\">M\u00f4 t\u1ea3 m\u1ed9t d\u00f2ng s\u1ef1 ki\u1ec7n ch\u00ednh (c\u00f2n g\u1ecdi l\u00e0 m\u1ed9t kh\u00f3a h\u00e0nh \u0111\u1ed9ng c\u01a1 b\u1ea3n), v\u00e0 c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng d\u00f2ng kh\u00e1c, g\u1ecdi l\u00e0 <em class=\"markup--em markup--li-em\">ngo\u1ea1i l\u1ec7<\/em>d\u00f2ng s\u1ef1 ki\u1ec7n (c\u00f2n g\u1ecdi l\u00e0 c\u00e1c kh\u00f3a h\u00e0nh \u0111\u1ed9ng thay th\u1ebf)<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"26d0\">L\u00e0 \u0111a c\u1ea5p, \u0111\u1ec3 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p kh\u00e1c.<\/li>\n<\/ul>\n<h3 class=\"graf graf--h3 graf-after--li\" id=\"d027\"><strong class=\"markup--strong markup--h3-strong\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 k\u1ecbch b\u1ea3n tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng?<\/strong><\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"2a8e\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c chu\u1ed7i t\u01b0\u01a1ng t\u00e1c c\u00f3 th\u1ec3 x\u1ea3y ra gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3 v\u00e0 li\u00ean quan \u0111\u1ebfn m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"f878\"><strong class=\"markup--strong markup--h3-strong\">C\u00f3 g\u00ec b\u00ean trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng?<\/strong><\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"8e2e\">N\u00f3 bao g\u1ed3m m\u1ed9t nh\u00f3m c\u00e1c ph\u1ea7n t\u1eed (v\u00ed d\u1ee5, l\u1edbp v\u00e0 giao di\u1ec7n) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng nhau theo c\u00e1ch c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn h\u01a1n t\u1ed5ng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed ri\u00eang l\u1ebb. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00ean ch\u1ee9a t\u1ea5t c\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng c\u00f3 \u00fd ngh\u0129a \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"9247\">C\u00e1c lo\u1ea1i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"c4a4\"><strong class=\"markup--strong markup--p-strong\"><em class=\"markup--em markup--p-em\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng thi\u1ebft y\u1ebfu <\/em><\/strong>\u0111\u01b0\u1ee3c di\u1ec5n \u0111\u1ea1t d\u01b0\u1edbi d\u1ea1ng l\u00fd t\u01b0\u1edfng m\u00e0 v\u1eabn t\u01b0\u01a1ng \u0111\u1ed1i t\u1ef1 do kh\u1ecfi c\u00e1c chi ti\u1ebft c\u00f4ng ngh\u1ec7 v\u00e0 tri\u1ec3n khai; c\u00e1c quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c ho\u00e3n l\u1ea1i v\u00e0 tr\u1eebu t\u01b0\u1ee3ng h\u00f3a, \u0111\u1eb7c bi\u1ec7t l\u00e0 nh\u1eefng quy\u1ebft \u0111\u1ecbnh li\u00ean quan \u0111\u1ebfn giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"ce58\"><strong class=\"markup--strong markup--p-strong\"><em class=\"markup--em markup--p-em\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3 ho\u1eb7c th\u1ef1c t\u1ebf<\/em>\u00a0<\/strong>m\u00f4 t\u1ea3 c\u1ee5 th\u1ec3 quy tr\u00ecnh theo thi\u1ebft k\u1ebf th\u1ef1c t\u1ebf hi\u1ec7n t\u1ea1i c\u1ee7a n\u00f3, cam k\u1ebft v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee5 th\u1ec3 v\u00e0 v.v. Khi m\u1ed9t giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c li\u00ean quan, h\u1ecd th\u01b0\u1eddng hi\u1ec3n th\u1ecb \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh v\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c widget.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"d7fc\"><strong class=\"markup--strong markup--p-strong\"><em class=\"markup--em markup--p-em\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tr\u1eebu t\u01b0\u1ee3ng<\/em><\/strong> kh\u00f4ng ho\u00e0n ch\u1ec9nh v\u00e0 kh\u00f4ng c\u00f3 t\u00e1c nh\u00e2n n\u00e0o kh\u1edfi x\u01b0\u1edbng n\u00f3 nh\u01b0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"4732\">C\u1ea5u tr\u00fac c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"b691\">UML \u0111\u1ecbnh ngh\u0129a ba ki\u1ec3u m\u1eabu c\u1ee7a m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"902d\"><strong class=\"markup--strong markup--p-strong\">&lt;&lt;bao g\u1ed3m&gt;&gt; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"2be4\">Th\u1eddi \u0111i\u1ec3m \u0111\u1ec3 s\u1eed d\u1ee5ng m\u1ed1i quan h\u1ec7 &lt;&lt;bao g\u1ed3m&gt;&gt; l\u00e0 sau khi b\u1ea1n \u0111\u00e3 ho\u00e0n th\u00e0nh m\u00f4 t\u1ea3 l\u1ea7n \u0111\u1ea7u ti\u00ean c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u00ednh c\u1ee7a b\u1ea1n. B\u00e2y gi\u1edd b\u1ea1n c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c chu\u1ed7i t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng chung.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"a887\"><img class=\"graf-image\" data-height=\"109\" data-image-id=\"0*_nZlDJaZjCblF09E.png\" data-width=\"330\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0_nZlDJaZjCblF09E.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"dbbf\"><strong class=\"markup--strong markup--p-strong\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"cd4e\">M\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u1edf r\u1ed9ng l\u00e0, th\u1ef1c t\u1ebf, m\u1ed9t kh\u00f3a thay th\u1ebf c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng &lt;&lt;m\u1edf r\u1ed9ng&gt;&gt; \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch kh\u00e1i ni\u1ec7m ch\u00e8n th\u00eam c\u00e1c chu\u1ed7i h\u00e0nh \u0111\u1ed9ng v\u00e0o chu\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"2b4b\"><img class=\"graf-image\" data-height=\"41\" data-image-id=\"0*4y5X_Km36NC9qhj1.png\" data-width=\"341\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/04y5X_Km36NC9qhj1.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"9ce4\"><strong class=\"markup--strong markup--p-strong\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tr\u1eebu t\u01b0\u1ee3ng v\u00e0 t\u1ed5ng qu\u00e1t<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"8b89\">Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed5ng qu\u00e1t l\u00e0 tr\u1eebu t\u01b0\u1ee3ng. N\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c kh\u1edfi t\u1ea1o, v\u00ec n\u00f3 ch\u1ee9a th\u00f4ng tin kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7. Ti\u00eau \u0111\u1ec1 c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng tr\u1eebu t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb b\u1eb1ng ch\u1eef nghi\u00eang.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"aad7\"><img class=\"graf-image\" data-height=\"128\" data-image-id=\"0*q7S8A3o7zo908ZBS.png\" data-width=\"339\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0q7S8A3o7zo908ZBS.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"0df1\"><strong class=\"markup--strong markup--p-strong\">V\u00ed d\u1ee5<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"7dd2\">V\u00ed d\u1ee5 n\u00e0y m\u00f4 t\u1ea3 m\u1ed9t m\u00f4 h\u00ecnh c\u1ee7a m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kinh doanh (m\u1ee5c ti\u00eau) \u0111\u1ea1i di\u1ec7n cho c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa m\u1ed9t nh\u00e0 h\u00e0ng (h\u1ec7 th\u1ed1ng kinh doanh) v\u00e0 c\u00e1c di\u1ec5n vi\u00ean ch\u00ednh c\u1ee7a n\u00f3.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"69a8\">Sau khi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong l\u1ea7n c\u1eaft \u0111\u1ea7u ti\u00ean, c\u00f3 l\u1ebd ch\u00fang ta c\u00f3 th\u1ec3 c\u1ea5u tr\u00fac th\u00eam c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00f3 v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng &lt;&lt;extend&gt;&gt; v\u00e0 &lt;&lt;include&gt;&gt; trong l\u1ea7n ch\u1ec9nh s\u1eeda th\u1ee9 hai nh\u01b0 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong H\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"cbe8\"><img class=\"graf-image\" data-height=\"571\" data-image-id=\"0*P1lcY3s7Y4rW9xbw.png\" data-width=\"792\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0P1lcY3s7Y4rW9xbw.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"a049\">(<a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/4814c887-a726-47bb-8d07-df369cc93777.xml&amp;name=Include%20and%20Extend%20Use%20Cases\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/4814c887-a726-47bb-8d07-df369cc93777.xml&amp;name=Include%20and%20Extend%20Use%20Cases\" rel=\"noopener\" target=\"_blank\">Ch\u1ec9nh s\u1eeda V\u00ed d\u1ee5 Bi\u1ec3u \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng \u1edf Tr\u00ean<\/a>)<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"429c\"><strong class=\"markup--strong markup--p-strong\">C\u1ea5u tr\u00fac C\u00e1c Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng v\u1edbi C\u00e1c G\u00f3i<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"5fd0\">Bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c g\u00f3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea5u tr\u00fac c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a ph\u00e2n t\u00edch, ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o tr\u00ec m\u1ed9t h\u1ec7 th\u1ed1ng.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"dd55\"><img class=\"graf-image\" data-height=\"537\" data-image-id=\"0*Ch2HDEfVceMvRn2m.png\" data-width=\"665\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0Ch2HDEfVceMvRn2m.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"c262\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/8b3fb61d-abbb-4d2c-8d3b-47e643316f1d.xml&amp;name=Broadcasting%20System\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=UseCaseDiagram&amp;gallery=\/repository\/8b3fb61d-abbb-4d2c-8d3b-47e643316f1d.xml&amp;name=Broadcasting%20System\" rel=\"noopener\" target=\"_blank\">Ch\u1ec9nh s\u1eeda V\u00ed d\u1ee5 Bi\u1ec3u \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng \u1edf Tr\u00ean<\/a><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"80fb\"><strong class=\"markup--strong markup--p-strong\">M\u00f4 h\u00ecnh Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng vs Bi\u1ec3u \u0111\u1ed3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"3802\">Ph\u1ea7n l\u1edbn m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf l\u00e0 v\u0103n b\u1ea3n, v\u1edbi v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c ghi l\u1ea1i trong <a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/21179_documentingu.html\" href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/94\/2575\/21179_documentingu.html\" rel=\"noopener\" target=\"_blank\">Th\u00f4ng s\u1ed1 K\u1ef9 thu\u1eadt Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng<\/a> m\u00e0 li\u00ean quan \u0111\u1ebfn t\u1eebng ph\u1ea7n t\u1eed m\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. Nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y m\u00f4 t\u1ea3 d\u00f2ng s\u1ef1 ki\u1ec7n c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"d217\">M\u00f4 h\u00ecnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t s\u1ee3i ch\u1ec9 th\u1ed1ng nh\u1ea5t trong su\u1ed1t qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n h\u1ec7 th\u1ed1ng. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 th\u00f4ng s\u1ed1 ch\u00ednh cho c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng, l\u00e0m c\u01a1 s\u1edf cho ph\u00e2n t\u00edch v\u00e0 thi\u1ebft k\u1ebf, l\u00e0m \u0111\u1ea7u v\u00e0o cho k\u1ebf ho\u1ea1ch l\u1eb7p, l\u00e0m c\u01a1 s\u1edf \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c tr\u01b0\u1eddng h\u1ee3p ki\u1ec3m tra v\u00e0 l\u00e0m c\u01a1 s\u1edf cho t\u00e0i li\u1ec7u ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h4 class=\"graf graf--h4 graf-after--p\" id=\"810a\">V\u00ed d\u1ee5: M\u00f4 t\u1ea3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng<\/h4>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--h4\" id=\"b8e5\">\u0110\u1ec3 vi\u1ebft n\u1ed9i dung c\u1ee7a m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, b\u1ea1n b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ch\u1ecdn m\u1ed9t trong c\u00e1c k\u1ecbch b\u1ea3n l\u00e0m k\u1ecbch b\u1ea3n ch\u00ednh.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"240c\">B\u1ea1n b\u1eaft \u0111\u1ea7u ph\u1ea7n th\u00e2n c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng b\u1eb1ng c\u00e1ch vi\u1ebft k\u1ecbch b\u1ea3n th\u00e0nh c\u00f4ng ch\u00ednh d\u01b0\u1edbi d\u1ea1ng m\u1ed9t chu\u1ed7i c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ed1.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"c4a5\">Sau \u0111\u00f3, b\u1ea1n l\u1ea5y c\u00e1c k\u1ecbch b\u1ea3n kh\u00e1c v\u00e0 vi\u1ebft ch\u00fang d\u01b0\u1edbi d\u1ea1ng c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng. C\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng c\u00f3 th\u1ec3 l\u00e0 th\u00e0nh c\u00f4ng, nh\u01b0 trong 3a d\u01b0\u1edbi \u0111\u00e2y ho\u1eb7c th\u1ea5t b\u1ea1i, nh\u01b0 trong 6b d\u01b0\u1edbi \u0111\u00e2y.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"45fe\">M\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 m\u1ed9t di\u1ec5n vi\u00ean ch\u00ednh, ng\u01b0\u1eddi y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng cung c\u1ea5p m\u1ed9t d\u1ecbch v\u1ee5.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"dde3\">M\u1ed7i b\u01b0\u1edbc trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 m\u1ed9t ph\u1ea7n t\u1eed c\u1ee7a s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"299c\">M\u1ed9t nh\u00f3m ho\u1ea1t \u0111\u1ed9ng chung trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i b\u1edfi m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng kh\u00e1c th\u00f4ng qua tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng &lt;include&gt;.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"9fdb\">Trong c\u00e1c thu\u1eadt ng\u1eef UML, ch\u00fang ta n\u00f3i r\u1eb1ng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ea7u ti\u00ean bao g\u1ed3m tr\u01b0\u1eddng h\u1ee3p th\u1ee9 hai.<\/li>\n<\/ul>\n<p class=\"graf graf--p graf-after--li\" id=\"cd72\"><strong class=\"markup--strong markup--p-strong\">Mua m\u1ed9t S\u1ea3n ph\u1ea9m<\/strong>(L\u1ea5y t\u1eeb UML Distilled trang 101)<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"3f0e\"><strong class=\"markup--strong markup--p-strong\">K\u1ecbch b\u1ea3n Th\u00e0nh c\u00f4ng Ch\u00ednh:<\/strong><\/p>\n<ol class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"a8d8\">Kh\u00e1ch h\u00e0ng duy\u1ec7t qua danh m\u1ee5c v\u00e0 ch\u1ecdn m\u1eb7t h\u00e0ng \u0111\u1ec3 mua.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"7520\">Kh\u00e1ch h\u00e0ng \u0111\u1ebfn qu\u1ea7y thanh to\u00e1n.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"fe0d\">Kh\u00e1ch h\u00e0ng \u0111i\u1ec1n th\u00f4ng tin giao h\u00e0ng<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"835d\">H\u1ec7 th\u1ed1ng tr\u00ecnh b\u00e0y th\u00f4ng tin gi\u00e1 c\u1ea3 \u0111\u1ea7y \u0111\u1ee7<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"d94c\">Kh\u00e1ch h\u00e0ng \u0111i\u1ec1n th\u00f4ng tin th\u1ebb t\u00edn d\u1ee5ng<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"0099\">h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c vi\u1ec7c mua h\u00e0ng<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"4c1d\">H\u1ec7 th\u1ed1ng x\u00e1c nh\u1eadn vi\u1ec7c b\u00e1n h\u00e0ng<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"9205\">H\u1ec7 th\u1ed1ng g\u1eedi email x\u00e1c nh\u1eadn \u0111\u1ebfn kh\u00e1ch h\u00e0ng<\/li>\n<\/ol>\n<p class=\"graf graf--p graf-after--li\" id=\"1245\"><strong class=\"markup--strong markup--p-strong\">C\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng<\/strong><\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"b4b3\">3a: Kh\u00e1ch h\u00e0ng l\u00e0 kh\u00e1ch h\u00e0ng th\u01b0\u1eddng xuy\u00ean<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"9844\">.1 H\u1ec7 th\u1ed1ng hi\u1ec3n th\u1ecb th\u00f4ng tin giao h\u00e0ng hi\u1ec7n t\u1ea1i<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"d4c5\">.2 Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn ho\u1eb7c ghi \u0111\u00e8<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"60f4\">6a: H\u1ec7 th\u1ed1ng kh\u00f4ng x\u00e1c th\u1ef1c \u0111\u01b0\u1ee3c vi\u1ec7c mua h\u00e0ng b\u1eb1ng th\u1ebb t\u00edn d\u1ee5ng<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"22dc\">.1 Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 nh\u1eadp l\u1ea1i th\u00f4ng tin th\u1ebb t\u00edn d\u1ee5ng ho\u1eb7c c\u00f3 th\u1ec3 h\u1ee7y<\/p>\n<h4 class=\"graf graf--h4 graf-after--p\" id=\"3121\">M\u00f4 t\u1ea3 Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c Minh h\u1ecda b\u1edfi Visual Paradigm<\/h4>\n<figure class=\"graf graf--figure graf-after--h4\" id=\"7494\"><img class=\"graf-image\" data-height=\"220\" data-image-id=\"0*ccSXH6m5cXS3jUQf.png\" data-width=\"488\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0ccSXH6m5cXS3jUQf.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"837f\"><strong class=\"markup--strong markup--p-strong\">D\u00f2ng s\u1ef1 ki\u1ec7n v\u00e0 Ph\u1ea7n m\u1edf r\u1ed9ng<\/strong><\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"f95e\"><img class=\"graf-image\" data-height=\"372\" data-image-id=\"0*WDSbmbiJOaYD1H4V.png\" data-width=\"596\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0WDSbmbiJOaYD1H4V.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"b8ef\">Ghi l\u1ea1i c\u00e1c \u0111\u01b0\u1eddng \u0111i (g\u1ecdi l\u00e0 <em class=\"markup--em markup--li-em\">k\u1ecbch b\u1ea3n<\/em>) t\u1eeb c\u00e1c s\u1ef1 ki\u1ec7n k\u00edch ho\u1ea1t \u0111\u1ebfn c\u00e1c m\u1ee5c ti\u00eau<\/li>\n<\/ul>\n<h4 class=\"graf graf--h4 graf-after--li\" id=\"46a5\"><strong class=\"markup--strong markup--h4-strong\">M\u00f4 h\u00ecnh Tr\u01b0\u1eddng h\u1ee3p S\u1eed d\u1ee5ng v\u00e0 UML<\/strong><\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"f5cf\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u giai \u0111o\u1ea1n ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1eadp k\u1ebf ho\u1ea1ch y\u00eau c\u1ea7u h\u1ec7 th\u1ed1ng, x\u00e1c th\u1ef1c thi\u1ebft k\u1ebf, ki\u1ec3m tra ph\u1ea7n m\u1ec1m v\u00e0 t\u1ea1o d\u00e0n b\u00e0i cho tr\u1ee3 gi\u00fap tr\u1ef1c tuy\u1ebfn v\u00e0 t\u00e0i li\u1ec7u ng\u01b0\u1eddi d\u00f9ng. V\u1eady m\u1ed1i quan h\u1ec7 c\u1ee7a bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1edbi c\u00e1c bi\u1ec3u \u0111\u1ed3 UML kh\u00e1c trong SDLC l\u00e0 g\u00ec?<\/p>\n<h4 class=\"graf graf--h4 graf-after--p\" id=\"8481\">L\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh l\u00e0 quan tr\u1ecdng<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"cf45\">Vi\u1ec7c l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh n\u00e0o \u0111\u1ec3 t\u1ea1o ra c\u00f3 \u1ea3nh h\u01b0\u1edfng s\u00e2u s\u1eafc \u0111\u1ebfn c\u00e1ch m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft v\u00e0 c\u00e1ch m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh. Ch\u00fang ta c\u1ea7n ch\u1ecdn m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn.<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"4296\">Nh\u1eefng m\u00f4 h\u00ecnh \u0111\u00fang s\u1ebd l\u00e0m n\u1ed5i b\u1eadt nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u00e1t tri\u1ec3n quan tr\u1ecdng nh\u1ea5t.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"94cf\">Nh\u1eefng m\u00f4 h\u00ecnh sai s\u1ebd khi\u1ebfn b\u1ea1n b\u1ecb l\u1ea1c h\u01b0\u1edbng, khi\u1ebfn b\u1ea1n t\u1eadp trung v\u00e0o nh\u1eefng v\u1ea5n \u0111\u1ec1 kh\u00f4ng li\u00ean quan.<\/li>\n<\/ul>\n<p class=\"graf graf--p graf-after--li\" id=\"be3b\">V\u00ed d\u1ee5: Ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 kh\u00e1c nhau cho c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"945b\"><img class=\"graf-image\" data-height=\"229\" data-image-id=\"0*fuzxpioIgoY9mJwe.png\" data-width=\"454\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/02\/0fuzxpioIgoY9mJwe.png\"\/><\/figure>\n<h4 class=\"graf graf--h4 graf-after--figure\" id=\"3384\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h4>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--h4\" id=\"3950\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/overview-of-the-14-uml-diagram-types\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/overview-of-the-14-uml-diagram-types\/\" rel=\"noopener\" target=\"_blank\">T\u1ed5ng quan v\u1ec1 14 lo\u1ea1i s\u01a1 \u0111\u1ed3 UML<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"4bc8\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"2cc9\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-component-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-component-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"9f96\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-deployment-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-deployment-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 tri\u1ec3n khai l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"a797\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-object-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-object-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"9b90\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-package-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-package-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 g\u00f3i l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"e808\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-composite-structure-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-composite-structure-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"16c9\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-profile-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-profile-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1 l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"af70\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 ca s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"77e4\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"a624\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-state-machine-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-state-machine-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"c0e8\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"e05b\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-communication-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-communication-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 giao ti\u1ebfp l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"2c8d\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-interaction-overview-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-interaction-overview-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"1336\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-timing-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-timing-diagram\/\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 th\u1eddi gian l\u00e0 g\u00ec?<\/a><\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"5dd2\">M\u00f4 t\u1ea3 m\u1ed9t d\u00f2ng s\u1ef1 ki\u1ec7n ch\u00ednh (c\u00f2n g\u1ecdi l\u00e0 m\u1ed9t kh\u00f3a h\u00e0nh \u0111\u1ed9ng c\u01a1 b\u1ea3n), v\u00e0 c\u00f3 th\u1ec3 l\u00e0 nh\u1eefng d\u00f2ng kh\u00e1c, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <em class=\"markup--em markup--li-em\">ngo\u1ea1i l\u1ec7<\/em>d\u00f2ng s\u1ef1 ki\u1ec7n (c\u00f2n g\u1ecdi l\u00e0 c\u00e1c kh\u00f3a h\u00e0nh \u0111\u1ed9ng thay th\u1ebf)<\/li>\n<li class=\"graf graf--li graf-after--li graf--trailing\" id=\"30b2\">L\u00e0 \u0111a c\u1ea5p, \u0111\u1ec3 m\u1ed9t ca s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng c\u1ee7a m\u1ed9t ca kh\u00e1c.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A\u00a0use case diagram\u00a0models different types of users interact with the system to solve a problem. As such, it describes the goals of the users, the interactions between the users and the system, and the required behavior of the system in satisfying these goals. Use cases\u00a0define interactions between external actors and the system to attain particular goals. A use case diagram contains four main components<\/p>\n","protected":false},"author":1,"featured_media":2167,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[3],"tags":[52,63,62,53],"class_list":["post-436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-unified-modeling-language","tag-cn-done","tag-es-done","tag-ja-done","tag-tw-done"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng tr\u01b0\u1eddng h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u - Cybermedian<\/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:\/\/www.cybermedian.com\/vn\/use-case-tutorial-for-dummies\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng tr\u01b0\u1eddng h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u - Cybermedian\" \/>\n<meta property=\"og:description\" content=\"A\u00a0use case diagram\u00a0models different types of users interact with the system to solve a problem. 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