{"id":3735,"date":"2026-02-27T11:16:24","date_gmt":"2026-02-27T11:16:24","guid":{"rendered":"https:\/\/www.diagrams-ai.com\/vn\/uml-sequence-diagram-a-comprehensive-guide-to-interaction-modeling\/"},"modified":"2026-02-27T11:16:24","modified_gmt":"2026-02-27T11:16:24","slug":"uml-sequence-diagram-a-comprehensive-guide-to-interaction-modeling","status":"publish","type":"post","link":"https:\/\/www.diagrams-ai.com\/vn\/uml-sequence-diagram-a-comprehensive-guide-to-interaction-modeling\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 Chu\u1ed7i UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a t\u01b0\u01a1ng t\u00e1c"},"content":{"rendered":"<h1>S\u01a1 \u0111\u1ed3 Chu\u1ed7i UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a t\u01b0\u01a1ng t\u00e1c<\/h1>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m, vi\u1ec7c hi\u1ec3u c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd.<strong>S\u01a1 \u0111\u1ed3 Chu\u1ed7i UML<\/strong>\u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u00e1c thao t\u00e1c n\u00e0y. L\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c, ch\u00fang m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c, ghi l\u1ea1i s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o chi\u1ec1u th\u1eddi gian, ch\u00fang tr\u1ef1c quan h\u00f3a th\u1ee9 t\u1ef1 t\u01b0\u01a1ng t\u00e1c b\u1eb1ng tr\u1ee5c \u0111\u1ee9ng, l\u00e0m r\u00f5 th\u00f4ng \u0111i\u1ec7p n\u00e0o \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 khi n\u00e0o.<\/p>\n<h2>C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh<\/h2>\n<p>Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o m\u00f4 h\u00ecnh h\u00f3a ph\u1ee9c t\u1ea1p, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1c thu\u1eadt ng\u1eef n\u1ec1n t\u1ea3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3 Chu\u1ed7i:<\/p>\n<ul>\n<li><strong>\u0110\u01b0\u1eddng s\u1ed1ng:<\/strong>\u0110\u1ea1i di\u1ec7n cho m\u1ed9t th\u00e0nh vi\u00ean c\u00e1 nh\u00e2n trong t\u01b0\u01a1ng t\u00e1c. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt v\u1edbi m\u1ed9t \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t k\u00e9o d\u00e0i xu\u1ed1ng t\u1eeb n\u00f3.<\/li>\n<li><strong>Ng\u01b0\u1eddi di\u1ec5n vi\u00ean:<\/strong>M\u1ed9t lo\u1ea1i vai tr\u00f2 do m\u1ed9t th\u1ef1c th\u1ec3 th\u1ef1c hi\u1ec7n khi t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ee7 th\u1ec3 (v\u00ed d\u1ee5: ng\u01b0\u1eddi d\u00f9ng, ph\u1ea7n c\u1ee9ng b\u00ean ngo\u00e0i). Ng\u01b0\u1eddi di\u1ec5n vi\u00ean n\u1eb1m ngo\u00e0i h\u1ec7 th\u1ed1ng v\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 v\u1eadt l\u00fd, m\u00e0 ch\u1ec9 l\u00e0 m\u1ed9t vai tr\u00f2 c\u1ee5 th\u1ec3.<\/li>\n<li><strong>T\u1eadp trung v\u00e0o \u0111i\u1ec1u khi\u1ec3n (K\u00edch ho\u1ea1t):<\/strong>M\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt m\u1ecfng \u0111\u01b0\u1ee3c ch\u1ed3ng l\u00ean \u0111\u01b0\u1eddng s\u1ed1ng, \u0111\u1ea1i di\u1ec7n cho kho\u1ea3ng th\u1eddi gian m\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c.<\/li>\n<li><strong>Tin nh\u1eafn:<\/strong>\u0110\u1ecbnh ngh\u0129a giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m t\u1eeb c\u00e1c l\u1eddi g\u1ecdi \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn vi\u1ec7c t\u1ea1o ho\u1eb7c h\u1ee7y \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<li><strong>S\u01a1 \u0111\u1ed3 T\u01b0\u01a1ng t\u00e1c:<\/strong>M\u1ed9t danh m\u1ee5c r\u1ed9ng h\u01a1n c\u1ee7a c\u00e1c s\u01a1 \u0111\u1ed3 UML m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c v\u1edbi nhau. S\u01a1 \u0111\u1ed3 chu\u1ed7i l\u00e0 d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c.<\/li>\n<\/ul>\n<h2>VP AI: T\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 chu\u1ed7i<\/h2>\n<p>M\u1eb7c d\u00f9 m\u00f4 h\u00ecnh h\u00f3a th\u1ee7 c\u00f4ng l\u00e0 hi\u1ec7u qu\u1ea3,<strong>Visual Paradigm AI<\/strong>\u0111\u00e1ng k\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh t\u1ea1o s\u01a1 \u0111\u1ed3 chu\u1ed7i. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, c\u00e1c nh\u00f3m c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u1eeb y\u00eau c\u1ea7u sang m\u00f4 h\u00ecnh tr\u1ef1c quan.<\/p>\n<ul>\n<li><strong>T\u1eeb v\u0103n b\u1ea3n sang s\u01a1 \u0111\u1ed3:<\/strong>Thay v\u00ec k\u00e9o v\u00e0 th\u1ea3 th\u1ee7 c\u00f4ng c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng v\u00e0 tin nh\u1eafn, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp m\u00f4 t\u1ea3 v\u0103n b\u1ea3n v\u1ec1 m\u1ed9t t\u00ecnh hu\u1ed1ng (v\u00ed d\u1ee5: &#8220;Ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp, H\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u, C\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ea3 v\u1ec1 th\u00e0nh c\u00f4ng&#8221;), v\u00e0 VP AI s\u1ebd t\u1ea1o ngay s\u01a1 \u0111\u1ed3 chu\u1ed7i t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li><strong>Tinh ch\u1ec9nh t\u00ecnh hu\u1ed1ng:<\/strong>AI c\u00f3 th\u1ec3 ph\u00e2n t\u00edch s\u01a1 \u0111\u1ed3 hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c nh\u00e1nh thay th\u1ebf (\u0111o\u1ea1n) ho\u1eb7c c\u00e1c t\u00ecnh hu\u1ed1ng x\u1eed l\u00fd l\u1ed7i c\u00f2n thi\u1ebfu, \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n bao qu\u00e1t c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong tri\u1ebft l\u00fd &#8220;M\u00f4 h\u00ecnh tr\u01b0\u1edbc m\u00e3 ngu\u1ed3n&#8221;.<\/li>\n<li><strong>\u0110\u1ed3ng b\u1ed9 h\u00f3a t\u00e0i li\u1ec7u:<\/strong>T\u1ef1 \u0111\u1ed9ng t\u1ea1o t\u00e0i li\u1ec7u chi ti\u1ebft ho\u1eb7c m\u00f4 t\u1ea3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u1ef1a tr\u00ean logic tr\u1ef1c quan c\u1ee7a s\u01a1 \u0111\u1ed3 chu\u1ed7i c\u1ee7a b\u1ea1n, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng b\u1ed9 gi\u1eefa thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u.<\/li>\n<\/ul>\n<h2>S\u01a1 \u0111\u1ed3 chu\u1ed7i l\u00e0 g\u00ec?<\/h2>\n<p>S\u01a1 \u0111\u1ed3 chu\u1ed7i ghi l\u1ea1i t\u01b0\u01a1ng t\u00e1c di\u1ec5n ra trong m\u1ed9t s\u1ef1 h\u1ee3p t\u00e1c nh\u1eb1m th\u1ef1c hi\u1ec7n m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ho\u1eb7c m\u1ed9t thao t\u00e1c. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ea5p cao gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng, ho\u1eb7c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng con (\u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 chu\u1ed7i h\u1ec7 th\u1ed1ng).<\/p>\n<h3>Hai chi\u1ec1u<\/h3>\n<p>C\u00e1c s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c theo hai chi\u1ec1u c\u1ee5 th\u1ec3:<\/p>\n<ol>\n<li><strong>Chi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng (ngang):<\/strong>Tr\u1ee5c ngang hi\u1ec3n th\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n tham gia v\u00e0o t\u01b0\u01a1ng t\u00e1c. Theo quy \u01b0\u1edbc, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea t\u1eeb tr\u00e1i sang ph\u1ea3i d\u1ef1a tr\u00ean th\u1eddi \u0111i\u1ec3m ch\u00fang tham gia v\u00e0o chu\u1ed7i tin nh\u1eafn, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n theo b\u1ea5t k\u1ef3 th\u1ee9 t\u1ef1 n\u00e0o.<\/li>\n<li><strong>Chi\u1ec1u th\u1eddi gian (d\u1ecdc):<\/strong>Tr\u1ee5c d\u1ecdc bi\u1ec3u di\u1ec5n th\u1eddi gian ti\u1ebfn d\u1ea7n xu\u1ed1ng trang. \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 th\u1eddi gian trong s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 li\u00ean quan \u0111\u1ebfn <em>th\u1ee9 t\u1ef1<\/em>, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ed9 d\u00e0i. Kho\u1ea3ng c\u00e1ch d\u1ecdc gi\u1eefa c\u00e1c tin nh\u1eafn kh\u00f4ng li\u00ean quan \u0111\u1ebfn th\u1eddi gian th\u1ef1c s\u1ef1 c\u1ee7a t\u01b0\u01a1ng t\u00e1c tr\u1eeb khi \u0111\u01b0\u1ee3c ghi ch\u00fa c\u1ee5 th\u1ec3 v\u1edbi c\u00e1c r\u00e0ng bu\u1ed9c th\u1eddi gian.<\/li>\n<\/ol>\n<h2>K\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1<\/h2>\n<p>Hi\u1ec3u r\u00f5 k\u00fd hi\u1ec7u tr\u1ef1c quan l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ecdc v\u00e0 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c.<\/p>\n<h3>Tin nh\u1eafn<\/h3>\n<ul>\n<li><strong>Tin nh\u1eafn g\u1ecdi:<\/strong>Bi\u1ec3u di\u1ec5n vi\u1ec7c g\u1ecdi m\u1ed9t thao t\u00e1c tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau.<\/li>\n<li><strong>Tin nh\u1eafn tr\u1ea3 v\u1ec1:<\/strong>Bi\u1ec3u di\u1ec5n vi\u1ec7c truy\u1ec1n th\u00f4ng tin tr\u1edf l\u1ea1i ng\u01b0\u1eddi g\u1ecdi c\u1ee7a tin nh\u1eafn tr\u01b0\u1edbc \u0111\u00f3 t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li><strong>Tin nh\u1eafn t\u1ef1 th\u00e2n:<\/strong>Bi\u1ec3u di\u1ec5n vi\u1ec7c g\u1ecdi m\u1ed9t tin nh\u1eafn tr\u00ean c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi.<\/li>\n<li><strong>Tin nh\u1eafn \u0111\u1ec7 quy:<\/strong>M\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a tin nh\u1eafn t\u1ef1 th\u00e2n, n\u01a1i m\u1ee5c ti\u00eau tr\u1ecf \u0111\u1ebfn m\u1ed9t ho\u1ea1t \u0111\u1ed9ng n\u1eb1m tr\u00ean ho\u1ea1t \u0111\u1ed9ng n\u01a1i tin nh\u1eafn \u0111\u01b0\u1ee3c g\u1ecdi (cho th\u1ea5y m\u1ed9t h\u00e0m \u0111\u1ec7 quy).<\/li>\n<li><strong>Tin nh\u1eafn t\u1ea1o:<\/strong>Bi\u1ec3u di\u1ec5n vi\u1ec7c kh\u1edfi t\u1ea1o m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau.<\/li>\n<li><strong>Tin nh\u1eafn h\u1ee7y:<\/strong>Bi\u1ec3u di\u1ec5n y\u00eau c\u1ea7u h\u1ee7y v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau.<\/li>\n<li><strong>Tin nh\u1eafn \u0111\u1ed9 d\u00e0i:<\/strong>Hi\u1ec3n th\u1ecb kho\u1ea3ng c\u00e1ch gi\u1eefa hai th\u1eddi \u0111i\u1ec3m cho m\u1ed9t l\u1ea7n g\u1ecdi tin nh\u1eafn, h\u1eefu \u00edch cho c\u00e1c r\u00e0ng bu\u1ed9c th\u1eddi gian.<\/li>\n<\/ul>\n<h3>C\u00e1c \u0111o\u1ea1n s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1<\/h3>\n<p>UML 2.0 \u0111\u00e3 gi\u1edbi thi\u1ec7u c\u00e1c \u0111o\u1ea1n s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 \u0111\u1ec3 x\u1eed l\u00fd logic ph\u1ee9c t\u1ea1p b\u00ean trong m\u1ed9t s\u01a1 \u0111\u1ed3. M\u1ed9t \u0111o\u1ea1n l\u00e0 m\u1ed9t h\u1ed9p (\u0111o\u1ea1n k\u1ebft h\u1ee3p) bao quanh m\u1ed9t ph\u1ea7n t\u01b0\u01a1ng t\u00e1c.<\/p>\n<ul>\n<li><strong>alt (T\u00f9y ch\u1ecdn):<\/strong>M\u00f4 h\u00ecnh h\u00f3a nhi\u1ec1u \u0111o\u1ea1n, trong \u0111\u00f3 ch\u1ec9 \u0111o\u1ea1n c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c thi (gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e2u l\u1ec7nh if\/else).<\/li>\n<li><strong>opt (T\u00f9y ch\u1ecdn):<\/strong>\u0110o\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi ch\u1ec9 khi \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p l\u00e0 \u0111\u00fang. T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t &#8220;alt&#8221; ch\u1ec9 c\u00f3 m\u1ed9t nh\u00e1nh.<\/li>\n<li><strong>par (Song song):<\/strong>M\u1ed7i \u0111o\u1ea1n b\u00ean trong h\u1ed9p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi.<\/li>\n<li><strong>loop:<\/strong>\u0110o\u1ea1n m\u00e3 \u0111\u01b0\u1ee3c th\u1ef1c thi nhi\u1ec1u l\u1ea7n d\u1ef1a tr\u00ean \u0111i\u1ec1u ki\u1ec7n b\u1ea3o v\u1ec7.<\/li>\n<li><strong>region:<\/strong>V\u00f9ng quan tr\u1ecdng n\u01a1i ch\u1ec9 m\u1ed9t lu\u1ed3ng c\u00f3 th\u1ec3 th\u1ef1c thi c\u00f9ng m\u1ed9t l\u00fac.<\/li>\n<li><strong>neg (Ti\u00eau c\u1ef1c):<\/strong>Hi\u1ec3n th\u1ecb m\u1ed9t t\u01b0\u01a1ng t\u00e1c kh\u00f4ng h\u1ee3p l\u1ec7.<\/li>\n<li><strong>ref (Tham chi\u1ebfu):<\/strong>Ch\u1ec9 \u0111\u1ebfn m\u1ed9t t\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong s\u01a1 \u0111\u1ed3 kh\u00e1c, cho ph\u00e9p thi\u1ebft k\u1ebf theo m\u00f4-\u0111un.<\/li>\n<\/ul>\n<h2>C\u00e1c nguy\u00ean t\u1eafc h\u01b0\u1edbng d\u1eabn cho m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3<\/h2>\n<p>Khi t\u1ea1o s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1, h\u00e3y tu\u00e2n theo c\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t sau \u0111\u00e2y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh r\u00f5 r\u00e0ng v\u00e0 h\u1eefu \u00edch:<\/p>\n<ul>\n<li><strong>M\u00f4 h\u00ecnh tr\u01b0\u1edbc khi vi\u1ebft m\u00e3:<\/strong>Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 ch\u1ec9 \u0111\u1ec3 t\u00e0i li\u1ec7u h\u00f3a m\u00e3 ngu\u1ed3n hi\u1ec7n c\u00f3. H\u00e3y s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u00e1c thu\u1eadt to\u00e1n v\u00e0 t\u01b0\u01a1ng t\u00e1c<em>tr\u01b0\u1edbc<\/em>th\u1ef1c hi\u1ec7n. M\u1ed9t s\u01a1 \u0111\u1ed3 t\u1ed1t n\u1eb1m \u1edf m\u1ee9c cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi m\u00e3 ngu\u1ed3n v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o ng\u00f4n ng\u1eef.<\/li>\n<li><strong>T\u1eadp trung v\u00e0o s\u1ef1 h\u1ee3p t\u00e1c:<\/strong>H\u00e3y nh\u1edb r\u1eb1ng trong khi s\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 c\u00e1c quan \u0111i\u1ec3m t\u0129nh, th\u00ec s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c l\u00e0 \u0111\u1ed9ng. H\u00e3y s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t k\u1ecbch b\u1ea3n Use Case c\u1ee5 th\u1ec3.<\/li>\n<li><strong>S\u1eed d\u1ee5ng c\u00e1c \u0111o\u1ea1n \u0111\u1ec3 bi\u1ec3u di\u1ec5n logic:<\/strong>\u0110\u1eebng c\u1ed1 v\u1ebd t\u1eebng \u0111\u01b0\u1eddng \u0111i m\u1ed9t c\u00e1ch tuy\u1ebfn t\u00ednh. H\u00e3y s\u1eed d\u1ee5ng<strong>C\u00e1c \u0111o\u1ea1n k\u1ebft h\u1ee3p<\/strong> (alt, opt, loop) \u0111\u1ec3 ghi l\u1ea1i c\u00e1c nh\u00e1nh v\u00e0 v\u00f2ng l\u1eb7p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>Gi\u1eef cho d\u1ec5 \u0111\u1ecdc:<\/strong>N\u1ebfu s\u01a1 \u0111\u1ed3 tr\u1edf n\u00ean qu\u00e1 ph\u1ee9c t\u1ea1p, h\u00e3y s\u1eed d\u1ee5ng<strong>ref<\/strong>\u0111o\u1ea1n \u0111\u1ec3 chia nh\u1ecf n\u00f3 th\u00e0nh c\u00e1c s\u01a1 \u0111\u1ed3 nh\u1ecf h\u01a1n, \u0111\u01b0\u1ee3c tham chi\u1ebfu.<\/li>\n<li><strong>H\u1ee3p t\u00e1c nh\u00f3m:<\/strong>V\u00ec s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 tr\u1ef1c quan v\u00e0 kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o ng\u00f4n ng\u1eef, ch\u00fang r\u1ea5t t\u1ed1t cho ki\u1ec3m th\u1eed, thi\u1ebft k\u1ebf khung UX v\u00e0 truy\u1ec1n \u0111\u1ea1t logic \u0111\u1ebfn c\u00e1c th\u00e0nh vi\u00ean kh\u00f4ng ph\u1ea3i l\u1eadp tr\u00ecnh vi\u00ean trong nh\u00f3m.<\/li>\n<\/ul>\n<h2>V\u00ed d\u1ee5: H\u1ec7 th\u1ed1ng kh\u00e1ch s\u1ea1n<\/h2>\n<p>H\u00e3y xem x\u00e9t m\u1ed9t t\u00ecnh hu\u1ed1ng v\u1ec1 vi\u1ec7c \u0111\u1eb7t ph\u00f2ng kh\u00e1ch s\u1ea1n. T\u01b0\u01a1ng t\u00e1c \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng b\u1edfi m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng &#8220;C\u1eeda s\u1ed5 \u0111\u1eb7t ph\u00f2ng&#8221;.<\/p>\n<ul>\n<li><strong>C\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng:<\/strong>C\u1eeda s\u1ed5 \u0111\u1eb7t ph\u00f2ng, H\u1ec7 th\u1ed1ng kh\u00e1ch s\u1ea1n, Qu\u1ea3n l\u00fd ph\u00f2ng.<\/li>\n<li><strong>Lu\u1ed3ng:<\/strong>C\u1eeda s\u1ed5 \u0111\u1eb7t ph\u00f2ng g\u1eedi m\u1ed9t <em>Tin nh\u1eafn g\u1ecdi<\/em> \u0111\u1ebfn H\u1ec7 th\u1ed1ng kh\u00e1ch s\u1ea1n \u0111\u1ec3 &#8220;ki\u1ec3m tra kh\u1ea3 n\u0103ng c\u00f3 ph\u00f2ng.&#8221; Sau \u0111\u00f3, H\u1ec7 th\u1ed1ng kh\u00e1ch s\u1ea1n g\u1eedi m\u1ed9t tin nh\u1eafn \u0111\u1ebfn Qu\u1ea3n l\u00fd ph\u00f2ng. N\u1ebfu c\u00f3 ph\u00f2ng tr\u1ed1ng (c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n trong m\u1ed9t ph\u1ea7n <em>alt<\/em> \u0111o\u1ea1n), m\u1ed9t <em>Tin nh\u1eafn tr\u1ea3 v\u1ec1<\/em>x\u00e1c nh\u1eadn \u0111\u1eb7t ph\u00f2ng.<\/li>\n<\/ul>\n<p>Trong v\u00ed d\u1ee5 n\u00e0y, s\u01a1 \u0111\u1ed3 ghi l\u1ea1i k\u1ecbch b\u1ea3n c\u1ee5 th\u1ec3 &#8220;\u0110\u1eb7t ph\u00f2ng&#8221;, m\u00f4 t\u1ea3 chi ti\u1ebft lu\u1ed3ng tin nh\u1eafn t\u1eeb tr\u00e1i sang ph\u1ea3i v\u00e0 t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 tr\u1ef1c quan h\u00f3a h\u00e0nh vi \u0111\u1ed9ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng. D\u00f9 b\u1ea1n \u0111ang m\u00f4 h\u00ecnh h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c t\u1ed5ng qu\u00e1t hay c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ee5 th\u1ec3, ch\u00fang cung c\u1ea5p m\u1ed9t b\u1ea3n \u0111\u1ed3 r\u00f5 r\u00e0ng v\u1ec1 c\u00e1ch c\u00e1c thao t\u00e1c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo th\u1eddi gian. \u0110\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh n\u00e0y, c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 <strong>Visual Paradigm Community Edition<\/strong>cung c\u1ea5p h\u1ed7 tr\u1ee3 UML to\u00e0n di\u1ec7n, gi\u00fap b\u1ea1n m\u00f4 h\u00ecnh h\u00f3a nhanh h\u01a1n, d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u01a1 \u0111\u1ed3 Chu\u1ed7i UML: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a t\u01b0\u01a1ng t\u00e1c Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt ph\u1ea7n m\u1ec1m, vi\u1ec7c hi\u1ec3u c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u00e1c theo th\u1eddi gian l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd.S\u01a1 \u0111\u1ed3 Chu\u1ed7i UML\u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u1ec3 tr\u1ef1c quan h\u00f3a c\u00e1c thao t\u00e1c n\u00e0y. L\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c, ch\u00fang m\u00f4 t\u1ea3 ch\u00ednh x\u00e1c c\u00e1ch th\u1ee9c th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c, ghi l\u1ea1i s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o chi\u1ec1u th\u1eddi gian, ch\u00fang tr\u1ef1c quan h\u00f3a th\u1ee9 t\u1ef1 t\u01b0\u01a1ng t\u00e1c b\u1eb1ng tr\u1ee5c \u0111\u1ee9ng, l\u00e0m r\u00f5 th\u00f4ng \u0111i\u1ec7p n\u00e0o \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 khi n\u00e0o. C\u00e1c kh\u00e1i ni\u1ec7m ch\u00ednh Tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o m\u00f4 h\u00ecnh h\u00f3a ph\u1ee9c t\u1ea1p, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1c thu\u1eadt ng\u1eef n\u1ec1n t\u1ea3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3 Chu\u1ed7i: \u0110\u01b0\u1eddng s\u1ed1ng:\u0110\u1ea1i di\u1ec7n cho m\u1ed9t th\u00e0nh vi\u00ean c\u00e1 nh\u00e2n trong t\u01b0\u01a1ng t\u00e1c. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n d\u01b0\u1edbi d\u1ea1ng m\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt v\u1edbi m\u1ed9t \u0111\u01b0\u1eddng n\u00e9t \u0111\u1ee9t k\u00e9o d\u00e0i xu\u1ed1ng t\u1eeb n\u00f3. Ng\u01b0\u1eddi di\u1ec5n vi\u00ean:M\u1ed9t lo\u1ea1i vai tr\u00f2 do m\u1ed9t th\u1ef1c th\u1ec3 th\u1ef1c hi\u1ec7n khi t\u01b0\u01a1ng t\u00e1c v\u1edbi ch\u1ee7 th\u1ec3 (v\u00ed d\u1ee5: ng\u01b0\u1eddi d\u00f9ng, ph\u1ea7n c\u1ee9ng b\u00ean ngo\u00e0i). Ng\u01b0\u1eddi di\u1ec5n vi\u00ean n\u1eb1m ngo\u00e0i h\u1ec7 th\u1ed1ng v\u00e0 kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t th\u1ef1c th\u1ec3 v\u1eadt l\u00fd, m\u00e0 ch\u1ec9 l\u00e0 m\u1ed9t vai tr\u00f2 c\u1ee5 th\u1ec3. T\u1eadp trung v\u00e0o \u0111i\u1ec1u khi\u1ec3n (K\u00edch ho\u1ea1t):M\u1ed9t h\u00ecnh ch\u1eef nh\u1eadt m\u1ecfng \u0111\u01b0\u1ee3c ch\u1ed3ng l\u00ean \u0111\u01b0\u1eddng s\u1ed1ng, \u0111\u1ea1i di\u1ec7n cho kho\u1ea3ng th\u1eddi gian m\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n \u0111ang th\u1ef1c hi\u1ec7n m\u1ed9t thao t\u00e1c. Tin nh\u1eafn:\u0110\u1ecbnh ngh\u0129a giao ti\u1ebfp gi\u1eefa c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m t\u1eeb c\u00e1c l\u1eddi g\u1ecdi \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn vi\u1ec7c t\u1ea1o ho\u1eb7c h\u1ee7y \u0111\u1ed1i t\u01b0\u1ee3ng. S\u01a1 \u0111\u1ed3 T\u01b0\u01a1ng t\u00e1c:M\u1ed9t danh m\u1ee5c r\u1ed9ng h\u01a1n c\u1ee7a c\u00e1c s\u01a1 \u0111\u1ed3 UML m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u1ee3p t\u00e1c v\u1edbi nhau. S\u01a1 \u0111\u1ed3 chu\u1ed7i l\u00e0 d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a s\u01a1 \u0111\u1ed3 t\u01b0\u01a1ng t\u00e1c. VP AI: T\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c t\u1ea1o s\u01a1 \u0111\u1ed3 chu\u1ed7i M\u1eb7c d\u00f9 m\u00f4 h\u00ecnh h\u00f3a th\u1ee7 c\u00f4ng l\u00e0 hi\u1ec7u qu\u1ea3,Visual Paradigm AI\u0111\u00e1ng k\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh t\u1ea1o s\u01a1 \u0111\u1ed3 chu\u1ed7i. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o, c\u00e1c nh\u00f3m c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i t\u1eeb y\u00eau c\u1ea7u sang m\u00f4 h\u00ecnh tr\u1ef1c quan. T\u1eeb v\u0103n b\u1ea3n sang s\u01a1 \u0111\u1ed3:Thay v\u00ec k\u00e9o v\u00e0 th\u1ea3 th\u1ee7 c\u00f4ng c\u00e1c \u0111\u01b0\u1eddng s\u1ed1ng v\u00e0 tin nh\u1eafn, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp m\u00f4 t\u1ea3 v\u0103n b\u1ea3n v\u1ec1 m\u1ed9t t\u00ecnh hu\u1ed1ng (v\u00ed d\u1ee5: &#8220;Ng\u01b0\u1eddi d\u00f9ng \u0111\u0103ng nh\u1eadp, H\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c m\u1eadt kh\u1ea9u, C\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ea3 v\u1ec1 th\u00e0nh c\u00f4ng&#8221;), v\u00e0 VP AI s\u1ebd t\u1ea1o ngay s\u01a1 \u0111\u1ed3 chu\u1ed7i t\u01b0\u01a1ng \u1ee9ng. Tinh ch\u1ec9nh t\u00ecnh hu\u1ed1ng:AI c\u00f3 th\u1ec3 ph\u00e2n t\u00edch s\u01a1 \u0111\u1ed3 hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ec1 xu\u1ea5t c\u00e1c nh\u00e1nh thay th\u1ebf (\u0111o\u1ea1n) ho\u1eb7c c\u00e1c t\u00ecnh hu\u1ed1ng x\u1eed l\u00fd l\u1ed7i c\u00f2n thi\u1ebfu, \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh c\u1ee7a b\u1ea1n bao qu\u00e1t c\u00e1c tr\u01b0\u1eddng h\u1ee3p bi\u00ean \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong tri\u1ebft l\u00fd &#8220;M\u00f4 h\u00ecnh tr\u01b0\u1edbc m\u00e3 ngu\u1ed3n&#8221;. \u0110\u1ed3ng b\u1ed9 h\u00f3a t\u00e0i li\u1ec7u:T\u1ef1 \u0111\u1ed9ng t\u1ea1o t\u00e0i li\u1ec7u chi ti\u1ebft ho\u1eb7c m\u00f4 t\u1ea3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng d\u1ef1a tr\u00ean logic tr\u1ef1c quan c\u1ee7a s\u01a1 \u0111\u1ed3 chu\u1ed7i c\u1ee7a b\u1ea1n, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng b\u1ed9 gi\u1eefa thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u. S\u01a1 \u0111\u1ed3 chu\u1ed7i l\u00e0 g\u00ec? S\u01a1 \u0111\u1ed3 chu\u1ed7i ghi l\u1ea1i t\u01b0\u01a1ng t\u00e1c di\u1ec5n ra trong m\u1ed9t s\u1ef1 h\u1ee3p t\u00e1c nh\u1eb1m th\u1ef1c hi\u1ec7n m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ho\u1eb7c m\u1ed9t thao t\u00e1c. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ea5p cao gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng, ho\u1eb7c gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng con (\u0111\u00f4i khi \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 chu\u1ed7i h\u1ec7 th\u1ed1ng). Hai chi\u1ec1u C\u00e1c s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c theo hai chi\u1ec1u c\u1ee5 th\u1ec3: Chi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng (ngang):Tr\u1ee5c ngang hi\u1ec3n th\u1ecb c\u00e1c th\u00e0nh ph\u1ea7n tham gia v\u00e0o t\u01b0\u01a1ng t\u00e1c. Theo quy \u01b0\u1edbc, c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea t\u1eeb tr\u00e1i sang ph\u1ea3i d\u1ef1a tr\u00ean th\u1eddi \u0111i\u1ec3m ch\u00fang tham gia v\u00e0o chu\u1ed7i tin nh\u1eafn, m\u1eb7c d\u00f9 ch\u00fang c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n theo b\u1ea5t k\u1ef3 th\u1ee9 t\u1ef1 n\u00e0o. Chi\u1ec1u th\u1eddi gian (d\u1ecdc):Tr\u1ee5c d\u1ecdc bi\u1ec3u di\u1ec5n th\u1eddi gian ti\u1ebfn d\u1ea7n xu\u1ed1ng trang. \u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 th\u1eddi gian trong s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 li\u00ean quan \u0111\u1ebfn th\u1ee9 t\u1ef1, ch\u1ee9 kh\u00f4ng ph\u1ea3i \u0111\u1ed9 d\u00e0i. Kho\u1ea3ng c\u00e1ch d\u1ecdc gi\u1eefa c\u00e1c tin nh\u1eafn kh\u00f4ng li\u00ean quan \u0111\u1ebfn th\u1eddi gian th\u1ef1c s\u1ef1 c\u1ee7a t\u01b0\u01a1ng t\u00e1c tr\u1eeb khi \u0111\u01b0\u1ee3c ghi ch\u00fa c\u1ee5 th\u1ec3 v\u1edbi c\u00e1c r\u00e0ng bu\u1ed9c th\u1eddi gian. K\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 Hi\u1ec3u r\u00f5 k\u00fd hi\u1ec7u tr\u1ef1c quan l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ecdc v\u00e0 t\u1ea1o ra c\u00e1c s\u01a1 \u0111\u1ed3 ch\u00ednh x\u00e1c. Tin nh\u1eafn Tin nh\u1eafn g\u1ecdi:Bi\u1ec3u di\u1ec5n vi\u1ec7c g\u1ecdi m\u1ed9t thao t\u00e1c tr\u00ean m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau. Tin nh\u1eafn tr\u1ea3 v\u1ec1:Bi\u1ec3u di\u1ec5n vi\u1ec7c truy\u1ec1n th\u00f4ng tin tr\u1edf l\u1ea1i ng\u01b0\u1eddi g\u1ecdi c\u1ee7a tin nh\u1eafn tr\u01b0\u1edbc \u0111\u00f3 t\u01b0\u01a1ng \u1ee9ng. Tin nh\u1eafn t\u1ef1 th\u00e2n:Bi\u1ec3u di\u1ec5n vi\u1ec7c g\u1ecdi m\u1ed9t tin nh\u1eafn tr\u00ean c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi. Tin nh\u1eafn \u0111\u1ec7 quy:M\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a tin nh\u1eafn t\u1ef1 th\u00e2n, n\u01a1i m\u1ee5c ti\u00eau tr\u1ecf \u0111\u1ebfn m\u1ed9t ho\u1ea1t \u0111\u1ed9ng n\u1eb1m tr\u00ean ho\u1ea1t \u0111\u1ed9ng n\u01a1i tin nh\u1eafn \u0111\u01b0\u1ee3c g\u1ecdi (cho th\u1ea5y m\u1ed9t h\u00e0m \u0111\u1ec7 quy). Tin nh\u1eafn t\u1ea1o:Bi\u1ec3u di\u1ec5n vi\u1ec7c kh\u1edfi t\u1ea1o m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau. Tin nh\u1eafn h\u1ee7y:Bi\u1ec3u di\u1ec5n y\u00eau c\u1ea7u h\u1ee7y v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u01b0\u1eddng \u0111\u1eddi m\u1ee5c ti\u00eau. Tin nh\u1eafn \u0111\u1ed9 d\u00e0i:Hi\u1ec3n th\u1ecb kho\u1ea3ng c\u00e1ch gi\u1eefa hai th\u1eddi \u0111i\u1ec3m cho m\u1ed9t l\u1ea7n g\u1ecdi tin nh\u1eafn, h\u1eefu \u00edch cho c\u00e1c r\u00e0ng bu\u1ed9c th\u1eddi gian. C\u00e1c \u0111o\u1ea1n s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 UML 2.0 \u0111\u00e3 gi\u1edbi thi\u1ec7u c\u00e1c \u0111o\u1ea1n s\u01a1 \u0111\u1ed3 tr\u00ecnh t\u1ef1 \u0111\u1ec3 x\u1eed l\u00fd logic ph\u1ee9c t\u1ea1p b\u00ean trong m\u1ed9t s\u01a1 \u0111\u1ed3. M\u1ed9t \u0111o\u1ea1n l\u00e0 m\u1ed9t h\u1ed9p (\u0111o\u1ea1n k\u1ebft h\u1ee3p) bao quanh m\u1ed9t ph\u1ea7n t\u01b0\u01a1ng t\u00e1c. alt (T\u00f9y ch\u1ecdn):M\u00f4 h\u00ecnh h\u00f3a nhi\u1ec1u \u0111o\u1ea1n, trong \u0111\u00f3 ch\u1ec9 \u0111o\u1ea1n c\u00f3 \u0111i\u1ec1u ki\u1ec7n \u0111\u00fang m\u1edbi \u0111\u01b0\u1ee3c th\u1ef1c thi (gi\u1ed1ng nh\u01b0 m\u1ed9t c\u00e2u l\u1ec7nh if\/else). opt (T\u00f9y ch\u1ecdn):\u0110o\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi ch\u1ec9 khi \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c cung c\u1ea5p l\u00e0 \u0111\u00fang. T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t &#8220;alt&#8221; ch\u1ec9 c\u00f3<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: S\u00e1ch h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n","_yoast_wpseo_metadesc":"N\u1eafm v\u1eefng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML. H\u1ecdc c\u00e1c k\u00fd hi\u1ec7u, c\u00e1c \u0111o\u1ea1n t\u01b0\u01a1ng t\u00e1c v\u00e0 c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a hi\u1ec7u qu\u1ea3 c\u00e1c thao t\u00e1c h\u1ec7 th\u1ed1ng v\u1edbi Visual Paradigm.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[56],"tags":[],"class_list":["post-3735","post","type-post","status-publish","format-standard","hentry","category-uml"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML: S\u00e1ch h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/title>\n<meta name=\"description\" content=\"N\u1eafm v\u1eefng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 UML. 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