{"id":10806,"date":"2024-08-22T18:07:38","date_gmt":"2024-08-22T10:07:38","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/using-activity-diagrams-and-sequence-diagrams-to-represent-use-cases\/"},"modified":"2026-04-20T17:05:13","modified_gmt":"2026-04-20T09:05:13","slug":"using-activity-diagrams-and-sequence-diagrams-to-represent-use-cases","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/using-activity-diagrams-and-sequence-diagrams-to-represent-use-cases\/","title":{"rendered":"S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 \u0111\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng"},"content":{"rendered":"<div class=\"ChatMessagesView_messagePair__ZEXUz\">\n<div class=\"ChatMessage_chatMessage__xkgHx\" data-complete=\"true\">\n<div class=\"ChatMessage_messageRow__DHlnq\">\n<div class=\"ChatMessage_messageWrapper__4Ugd6\">\n<div class=\"Message_rowWithFooter__FShU6\">\n<div class=\"Message_row__ug_UU\">\n<div class=\"Message_leftSideMessageBubble__VPdk6\">\n<div class=\"Markdown_markdownContainer__Tz3HQ\">\n<p>Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 hi\u1ec3u v\u00e0 t\u00e0i li\u1ec7u h\u00f3a c\u00e1c quy tr\u00ecnh. S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 hai c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd c\u00f3 th\u1ec3 gi\u00fap bi\u1ec3u di\u1ec5n c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y c\u00e1ch s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1ch chi ti\u1ebft h\u00f3a t\u1eebng t\u00ecnh hu\u1ed1ng b\u1eb1ng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1.<\/p>\n<h2>Hi\u1ec3u v\u1ec1 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p>M\u1ed9t\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\"><strong>tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>\u00a0<\/a>m\u00f4 t\u1ea3 m\u1ed9t t\u01b0\u01a1ng t\u00e1c c\u1ee5 th\u1ec3 gi\u1eefa ng\u01b0\u1eddi d\u00f9ng (ho\u1eb7c t\u00e1c nh\u00e2n) v\u00e0 h\u1ec7 th\u1ed1ng nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3. N\u00f3 n\u00eau r\u00f5 c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a h\u1ec7 th\u1ed1ng t\u1eeb g\u00f3c nh\u00ecn ng\u01b0\u1eddi d\u00f9ng. M\u1ed7i tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau, bao g\u1ed3m t\u00ecnh hu\u1ed1ng th\u00e0nh c\u00f4ng ch\u00ednh v\u00e0 c\u00e1c con \u0111\u01b0\u1eddng thay th\u1ebf kh\u00e1c nhau.<\/p>\n<h2>B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p>B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng b\u1ea1n mu\u1ed1n m\u00f4 h\u00ecnh h\u00f3a. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Thu th\u1eadp y\u00eau c\u1ea7u<\/strong>: Hi\u1ec3u r\u00f5 nhu c\u1ea7u c\u1ee7a c\u00e1c b\u00ean li\u00ean quan.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh t\u00e1c nh\u00e2n<\/strong>: X\u00e1c \u0111\u1ecbnh nh\u1eefng ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c h\u1ec7 th\u1ed1ng s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<li><strong>X\u00e1c l\u1eadp m\u1ee5c ti\u00eau<\/strong>: X\u00e1c \u0111\u1ecbnh r\u00f5 m\u1ee5c \u0111\u00edch m\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng h\u01b0\u1edbng t\u1edbi.<\/li>\n<\/ul>\n<h2>B\u01b0\u1edbc 2: T\u1ea1o s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>M\u1ed9t\u00a0<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\"><strong>s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/strong><\/a>ghi l\u1ea1i lu\u1ed3ng c\u00e1c h\u00e0nh \u0111\u1ed9ng trong m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 gi\u00fap h\u00ecnh dung t\u1ed5ng th\u1ec3 quy tr\u00ecnh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch t\u1ea1o m\u1ed9t s\u01a1 \u0111\u1ed3 nh\u01b0 v\u1eady:<\/p>\n<ol>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c ho\u1ea1t \u0111\u1ed9ng<\/strong>: Li\u1ec7t k\u00ea c\u00e1c ho\u1ea1t \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng, bao g\u1ed3m c\u1ea3 h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng v\u00e0 ph\u1ea3n h\u1ed3i c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m quy\u1ebft \u0111\u1ecbnh<\/strong>: X\u00e1c \u0111\u1ecbnh n\u01a1i c\u1ea7n \u0111\u01b0a ra l\u1ef1a ch\u1ecdn \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn lu\u1ed3ng quy tr\u00ecnh.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh lu\u1ed3ng<\/strong>: S\u1eed d\u1ee5ng m\u0169i t\u00ean \u0111\u1ec3 ch\u1ec9 ra th\u1ee9 t\u1ef1 c\u00e1c ho\u1ea1t \u0111\u1ed9ng. B\u1eaft \u0111\u1ea7u t\u1eeb tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac b\u1eb1ng k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng.<\/li>\n<li><strong>T\u00edch h\u1ee3p c\u00e1c ho\u1ea1t \u0111\u1ed9ng song song<\/strong>: N\u1ebfu nhi\u1ec1u h\u00e0nh \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi, h\u00e3y bi\u1ec3u di\u1ec5n ch\u00fang b\u1eb1ng c\u00e1c n\u00fat chia (fork nodes).<\/li>\n<li><strong>Xem x\u00e9t v\u00e0 ho\u00e0n thi\u1ec7n<\/strong>: \u0110\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c t\u00ecnh hu\u1ed1ng tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 d\u1ec5 hi\u1ec3u.<\/li>\n<\/ol>\n<h3>V\u00ed d\u1ee5 v\u1ec1 s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<ul>\n<li><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong>: \u0110\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng\n<ul>\n<li>B\u1eaft \u0111\u1ea7u<\/li>\n<li>Nh\u1eadp th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng<\/li>\n<li>X\u00e1c minh \u0111\u1ea7u v\u00e0o\n<ul>\n<li>N\u1ebfu h\u1ee3p l\u1ec7, ti\u1ebfn h\u00e0nh t\u1ea1o t\u00e0i kho\u1ea3n<\/li>\n<li>N\u1ebfu kh\u00f4ng h\u1ee3p l\u1ec7, hi\u1ec3n th\u1ecb th\u00f4ng b\u00e1o l\u1ed7i<\/li>\n<\/ul>\n<\/li>\n<li>K\u1ebft th\u00fac<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/08\/img_66c70deb3bbee.png\"\/><\/p>\n<h2>B\u01b0\u1edbc 3: X\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ecnh hu\u1ed1ng<\/h2>\n<p>Sau khi s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng ho\u00e0n t\u1ea5t, h\u00e3y x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau c\u1ee7a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li><strong>T\u00ecnh hu\u1ed1ng th\u00e0nh c\u00f4ng ch\u00ednh<\/strong>: Lu\u1ed3ng l\u00fd t\u01b0\u1edfng n\u01a1i m\u1ecdi th\u1ee9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i.<\/li>\n<li><strong>C\u00e1c t\u00ecnh hu\u1ed1ng thay th\u1ebf<\/strong>: C\u00e1c \u0111\u01b0\u1eddng \u0111i \u0111\u1ea1i di\u1ec7n cho l\u1ed7i ho\u1eb7c c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf.<\/li>\n<\/ul>\n<h2>B\u01b0\u1edbc 4: T\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 cho t\u1eebng t\u00ecnh hu\u1ed1ng<\/h2>\n<p>M\u1ed9t<a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\">\u00a0<strong>s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/strong><\/a>\u00a0minh h\u1ecda c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c trong m\u1ed9t t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3 theo th\u1eddi gian. \u0110\u1ed1i v\u1edbi m\u1ed7i t\u00ecnh hu\u1ed1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, h\u00e3y th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/p>\n<ol>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong>: X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng (ng\u01b0\u1eddi d\u00f9ng, h\u1ec7 th\u1ed1ng) tham gia v\u00e0o t\u00ecnh hu\u1ed1ng.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh tin nh\u1eafn<\/strong>: Li\u1ec7t k\u00ea c\u00e1c tin nh\u1eafn trao \u0111\u1ed5i gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, \u0111\u1ea1i di\u1ec7n cho l\u1eddi g\u1ecdi h\u00e0m, ph\u1ea3n h\u1ed3i ho\u1eb7c lu\u1ed3ng d\u1eef li\u1ec7u.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh th\u1ee9 t\u1ef1<\/strong>: S\u1eafp x\u1ebfp c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng theo chi\u1ec1u ngang v\u00e0 v\u1ebd c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n d\u00f2ng \u0111\u1eddi c\u1ee7a ch\u00fang. S\u1eed d\u1ee5ng m\u0169i t\u00ean \u0111\u1ec3 th\u1ec3 hi\u1ec7n lu\u1ed3ng tin nh\u1eafn theo th\u1ee9 t\u1ef1 x\u1ea3y ra.<\/li>\n<li><strong>Bao g\u1ed3m h\u1ed9p k\u00edch ho\u1ea1t<\/strong>: Ch\u1ec9 ra c\u00e1c kho\u1ea3ng th\u1eddi gian m\u00e0 m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng \u0111ang ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c x\u1eed l\u00fd m\u1ed9t tin nh\u1eafn.<\/li>\n<li><strong>Xem l\u1ea1i<\/strong>: \u0110\u1ea3m b\u1ea3o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c c\u00e1c t\u01b0\u01a1ng t\u00e1c cho t\u00ecnh hu\u1ed1ng c\u1ee5 th\u1ec3.<\/li>\n<\/ol>\n<h3>V\u00ed d\u1ee5 v\u1ec1 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 cho \u0111\u0103ng k\u00fd ng\u01b0\u1eddi d\u00f9ng<\/h3>\n<ul>\n<li><strong>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng<\/strong>: Ng\u01b0\u1eddi d\u00f9ng, Bi\u1ec3u m\u1eabu \u0111\u0103ng k\u00fd, D\u1ecbch v\u1ee5 x\u00e1c minh, C\u01a1 s\u1edf d\u1eef li\u1ec7u<\/li>\n<li><strong>Tin nh\u1eafn<\/strong>:\n<ul>\n<li>Ng\u01b0\u1eddi d\u00f9ng \u2192 Form \u0111\u0103ng k\u00fd: G\u1eedi th\u00f4ng tin<\/li>\n<li>Form \u0111\u0103ng k\u00fd \u2192 D\u1ecbch v\u1ee5 x\u00e1c th\u1ef1c: X\u00e1c th\u1ef1c \u0111\u1ea7u v\u00e0o<\/li>\n<li>D\u1ecbch v\u1ee5 x\u00e1c th\u1ef1c \u2192 Form \u0111\u0103ng k\u00fd: Tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 x\u00e1c th\u1ef1c<\/li>\n<li>Form \u0111\u0103ng k\u00fd \u2192 C\u01a1 s\u1edf d\u1eef li\u1ec7u: T\u1ea1o t\u00e0i kho\u1ea3n ng\u01b0\u1eddi d\u00f9ng<\/li>\n<li>C\u01a1 s\u1edf d\u1eef li\u1ec7u \u2192 Form \u0111\u0103ng k\u00fd: X\u00e1c nh\u1eadn<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/wp-content\/uploads\/2024\/08\/img_66c70dec4a51d.png\"\/><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 c\u00f9ng nhau cung c\u1ea5p c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 m\u1ed9t <a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/tutorials\/use-case-diagram-tutorial\/\">tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/a> v\u00e0 c\u00e1c k\u1ecbch b\u1ea3n c\u1ee7a n\u00f3. S\u01a1 \u0111\u1ed3 <a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/activity-diagram.jsp\">s\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/a>cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 lu\u1ed3ng x\u1eed l\u00fd, trong khi <a href=\"https:\/\/www.visual-paradigm.com\/learning\/handbooks\/software-design-handbook\/sequence-diagram.jsp\">s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/a>chi ti\u1ebft c\u00e1c t\u01b0\u01a1ng t\u00e1c trong t\u1eebng k\u1ecbch b\u1ea3n ri\u00eang l\u1ebb. C\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac n\u00e0y gi\u00fap n\u00e2ng cao s\u1ef1 hi\u1ec3u bi\u1ebft, h\u1ed7 tr\u1ee3 giao ti\u1ebfp gi\u1eefa c\u00e1c b\u00ean li\u00ean quan v\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o qu\u00fd gi\u00e1 trong su\u1ed1t qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ChatMessagesView_messagePair__ZEXUz\">\n<div class=\"ChatMessage_chatMessage__xkgHx\" data-complete=\"true\">\n<div class=\"ChatMessage_messageRow__DHlnq\">\n<div class=\"ChatMessage_messageWrapper__4Ugd6\">\n<div class=\"Message_rowWithFooter__FShU6\">\n<div class=\"Message_row__ug_UU\">\n<div class=\"Message_leftSideMessageBubble__VPdk6\">\n<div class=\"Markdown_markdownContainer__Tz3HQ\">\n<p>\u00a0<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan l\u00e0 thi\u1ebft y\u1ebfu \u0111\u1ec3 hi\u1ec3u v\u00e0 t\u00e0i<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[3],"tags":[],"class_list":["post-10806","post","type-post","status-publish","format-standard","hentry","category-unified-modeling-language"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - 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