{"id":663,"date":"2026-03-29T02:31:32","date_gmt":"2026-03-29T02:31:32","guid":{"rendered":"https:\/\/www.visualize-ai.com\/vi\/designing-library-management-system-ooad\/"},"modified":"2026-03-29T02:31:32","modified_gmt":"2026-03-29T02:31:32","slug":"designing-library-management-system-ooad","status":"publish","type":"post","link":"https:\/\/www.visualize-ai.com\/vi\/designing-library-management-system-ooad\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n: Thi\u1ebft k\u1ebf m\u1ed9t H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n"},"content":{"rendered":"<p>X\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac. Trong b\u1ed1i c\u1ea3nh Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD), vi\u1ec7c t\u1ea1o ra m\u1ed9t H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3 c\u1ed1t l\u00f5i, \u0111\u1ecbnh ngh\u0129a h\u00e0nh vi c\u1ee7a ch\u00fang v\u00e0 thi\u1ebft l\u1eadp c\u00e1c m\u1ed1i quan h\u1ec7 k\u1ebft n\u1ed1i ch\u00fang l\u1ea1i v\u1edbi nhau. H\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00e1m ph\u00e1 c\u00e1c b\u01b0\u1edbc ki\u1ebfn tr\u00fac c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 duy tr\u00ec \u0111\u01b0\u1ee3c.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Cute kawaii vector infographic illustrating the 8-phase Object-Oriented Analysis and Design process for a Library Management System: requirements elicitation, use case modeling, class design, relationships, behavioral modeling, database mapping, testing strategies, and scalability - featuring pastel colors, rounded shapes, chibi librarian character, and friendly icons for books, members, loans, and OOAD principles\" decoding=\"async\" src=\"https:\/\/www.visualize-ai.com\/wp-content\/uploads\/2026\/03\/kawaii-library-management-system-oaod-infographic-16x9-1.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d Hi\u1ec3u r\u00f5 v\u1ec1 Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD)<\/h2>\n<p>Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m xung quanh d\u1eef li\u1ec7u, hay c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, thay v\u00ec c\u00e1c h\u00e0m v\u00e0 logic. \u0110\u1ed1i v\u1edbi m\u1ed9t h\u1ec7 th\u1ed1ng th\u01b0 vi\u1ec7n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1eadp trung v\u00e0o nh\u1eefng th\u1ee9 h\u1ec7 th\u1ed1ng c\u1ea7n qu\u1ea3n l\u00fd: s\u00e1ch, th\u00e0nh vi\u00ean, c\u00e1c kho\u1ea3n m\u01b0\u1ee3n v\u00e0 ph\u1ea1t. B\u1eb1ng c\u00e1ch m\u00f4 h\u00ecnh h\u00f3a l\u0129nh v\u1ef1c th\u1ef1c t\u1ebf th\u00e0nh c\u00e1c c\u1ea5u tr\u00fac ph\u1ea7n m\u1ec1m, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng d\u1ec5 d\u00e0ng s\u1eeda \u0111\u1ed5i v\u00e0 m\u1edf r\u1ed9ng h\u01a1n.<\/p>\n<p>C\u00e1c nguy\u00ean t\u1eafc ch\u00ednh th\u00fac \u0111\u1ea9y c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Bao \u0111\u00f3ng:<\/strong>G\u00f3i g\u1ecdn d\u1eef li\u1ec7u v\u00e0 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ho\u1ea1t \u0111\u1ed9ng tr\u00ean d\u1eef li\u1ec7u \u0111\u00f3 trong m\u1ed9t \u0111\u01a1n v\u1ecb duy nh\u1ea5t.<\/li>\n<li><strong>K\u1ebf th\u1eeba:<\/strong>Cho ph\u00e9p c\u00e1c l\u1edbp m\u1edbi ti\u1ebfp nh\u1eadn c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a c\u00e1c l\u1edbp hi\u1ec7n c\u00f3.<\/li>\n<li><strong>\u0110a h\u00ecnh:<\/strong>Cho ph\u00e9p c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 th\u1ec3 ch\u00fang l\u00e0 c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a l\u1edbp cha c\u1ee7a ch\u00fang.<\/li>\n<li><strong>Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a:<\/strong>Che gi\u1ea5u c\u00e1c chi ti\u1ebft tri\u1ec3n khai ph\u1ee9c t\u1ea1p v\u00e0 ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c t\u00ednh n\u0103ng c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<h2>\ud83d\udccb Giai \u0111o\u1ea1n 1: Thu th\u1eadp y\u00eau c\u1ea7u<\/h2>\n<p>Tr\u01b0\u1edbc khi vi\u1ebft m\u00e3, h\u1ec7 th\u1ed1ng ph\u1ea3i hi\u1ec3u r\u00f5 nh\u1eefng g\u00ec n\u00f3 c\u1ea7n l\u00e0m. C\u00e1c y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: ch\u1ee9c n\u0103ng v\u00e0 phi ch\u1ee9c n\u0103ng.<\/p>\n<h3>Y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng<\/h3>\n<p>Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y x\u00e1c \u0111\u1ecbnh c\u00e1c h\u00e0nh vi c\u1ee5 th\u1ec3 m\u00e0 h\u1ec7 th\u1ed1ng ph\u1ea3i th\u1ec3 hi\u1ec7n:<\/p>\n<ul>\n<li><strong>Qu\u1ea3n l\u00fd s\u00e1ch:<\/strong>Th\u00eam, c\u1eadp nh\u1eadt v\u00e0 x\u00f3a c\u00e1c b\u1ea3n ghi s\u00e1ch kh\u1ecfi c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<li><strong>\u0110\u0103ng k\u00fd th\u00e0nh vi\u00ean:<\/strong>Thu th\u1eadp th\u00f4ng tin ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u1ea5p th\u1ebb nh\u1eadn di\u1ec7n.<\/li>\n<li><strong>L\u01b0u th\u00f4ng:<\/strong>X\u1eed l\u00fd vi\u1ec7c m\u01b0\u1ee3n v\u00e0 tr\u1ea3 s\u00e1ch.<\/li>\n<li><strong>T\u00ednh to\u00e1n ph\u1ea1t:<\/strong>T\u00ednh to\u00e1n h\u00ecnh ph\u1ea1t cho c\u00e1c m\u1eb7t h\u00e0ng qu\u00e1 h\u1ea1n m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng.<\/li>\n<li><strong>Ch\u1ee9c n\u0103ng t\u00ecm ki\u1ebfm:<\/strong>T\u00ecm ki\u1ebfm s\u00e1ch theo ti\u00eau \u0111\u1ec1, t\u00e1c gi\u1ea3 ho\u1eb7c ISBN.<\/li>\n<\/ul>\n<h3>Y\u00eau c\u1ea7u phi ch\u1ee9c n\u0103ng<\/h3>\n<p>Nh\u1eefng y\u00eau c\u1ea7u n\u00e0y x\u00e1c \u0111\u1ecbnh c\u00e1c thu\u1ed9c t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng:<\/p>\n<ul>\n<li><strong>Hi\u1ec7u su\u1ea5t:<\/strong> C\u00e1c truy v\u1ea5n t\u00ecm ki\u1ebfm ph\u1ea3i tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 trong v\u00f2ng v\u00e0i gi\u00e2y.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> H\u1ec7 th\u1ed1ng ph\u1ea3i x\u1eed l\u00fd \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng t\u0103ng cao trong gi\u1edd cao \u0111i\u1ec3m.<\/li>\n<li><strong>B\u1ea3o m\u1eadt:<\/strong> D\u1eef li\u1ec7u th\u00e0nh vi\u00ean c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi truy c\u1eadp tr\u00e1i ph\u00e9p.<\/li>\n<li><strong>T\u00ednh s\u1eb5n c\u00f3:<\/strong> H\u1ec7 th\u1ed1ng ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c 24\/7.<\/li>\n<\/ul>\n<h2>\ud83d\udc65 Giai \u0111o\u1ea1n 2: M\u00f4 h\u00ecnh h\u00f3a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng m\u00f4 t\u1ea3 c\u00e1ch c\u00e1c t\u00e1c nh\u00e2n t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ee5c ti\u00eau c\u1ee5 th\u1ec3. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c t\u00e1c nh\u00e2n gi\u00fap \u0111\u1ecbnh r\u00f5 ranh gi\u1edbi c\u1ee7a ph\u1ea7n m\u1ec1m.<\/p>\n<h3>C\u00e1c t\u00e1c nh\u00e2n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh<\/h3>\n<ul>\n<li><strong>Th\u1ee7 th\u01b0:<\/strong> Qu\u1ea3n l\u00fd kho s\u00e1ch, x\u1eed l\u00fd c\u00e1c kho\u1ea3n m\u01b0\u1ee3n v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 h\u00e0nh ch\u00ednh.<\/li>\n<li><strong>Th\u00e0nh vi\u00ean:<\/strong> T\u00ecm ki\u1ebfm s\u00e1ch, m\u01b0\u1ee3n t\u00e0i li\u1ec7u v\u00e0 tr\u1ea3 l\u1ea1i t\u00e0i li\u1ec7u.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng:<\/strong> T\u1ef1 \u0111\u1ed9ng h\u00f3a th\u00f4ng b\u00e1o v\u00e0 t\u00ednh to\u00e1n ph\u1ea1t.<\/li>\n<\/ul>\n<h3>V\u00ed d\u1ee5 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng: M\u01b0\u1ee3n m\u1ed9t cu\u1ed1n s\u00e1ch<\/h3>\n<ol>\n<li>Th\u00e0nh vi\u00ean y\u00eau c\u1ea7u m\u1ed9t cu\u1ed1n s\u00e1ch c\u1ee5 th\u1ec3.<\/li>\n<li>Th\u1ee7 th\u01b0 qu\u00e9t m\u00e3 v\u1ea1ch c\u1ee7a cu\u1ed1n s\u00e1ch.<\/li>\n<li>H\u1ec7 th\u1ed1ng ki\u1ec3m tra tr\u1ea1ng th\u00e1i s\u1eb5n c\u00f3.<\/li>\n<li>N\u1ebfu c\u00f3 s\u1eb5n, h\u1ec7 th\u1ed1ng c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i th\u00e0nh \u201c\u0110\u00e3 m\u01b0\u1ee3n\u201d.<\/li>\n<li>H\u1ec7 th\u1ed1ng ghi l\u1ea1i ng\u00e0y ph\u1ea3i tr\u1ea3.<\/li>\n<li>Giao d\u1ecbch \u0111\u01b0\u1ee3c ghi v\u00e0o c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ol>\n<h2>\ud83c\udfd7\ufe0f Giai \u0111o\u1ea1n 3: X\u00e1c \u0111\u1ecbnh l\u1edbp v\u00e0 thi\u1ebft k\u1ebf<\/h2>\n<p>Trung t\u00e2m c\u1ee7a OOAD l\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp. M\u1ed9t l\u1edbp \u0111\u1ea1i di\u1ec7n cho b\u1ea3n v\u1ebd m\u1eabu cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. Trong b\u1ed1i c\u1ea3nh th\u01b0 vi\u1ec7n, c\u00e1c l\u1edbp c\u1ee5 th\u1ec3 xu\u1ea5t hi\u1ec7n t\u1eeb c\u00e1c y\u00eau c\u1ea7u.<\/p>\n<h3>C\u00e1c l\u1edbp ch\u00ednh<\/h3>\n<ul>\n<li><strong>S\u00e1ch:<\/strong> \u0110\u1ea1i di\u1ec7n cho c\u00e1c m\u1ee5c v\u1eadt l\u00fd ho\u1eb7c k\u1ef9 thu\u1eadt s\u1ed1. C\u00e1c thu\u1ed9c t\u00ednh bao g\u1ed3m<em>ISBN<\/em>, <em>Ti\u00eau \u0111\u1ec1<\/em>, <em>T\u00e1c gi\u1ea3<\/em>, <em>Nh\u00e0 xu\u1ea5t b\u1ea3n<\/em>, v\u00e0 <em>V\u1ecb tr\u00ed<\/em>.<\/li>\n<li><strong>Th\u00e0nh vi\u00ean:<\/strong> \u0110\u1ea1i di\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng. C\u00e1c thu\u1ed9c t\u00ednh bao g\u1ed3m <em>M\u00e3 th\u00e0nh vi\u00ean<\/em>, <em>T\u00ean<\/em>, <em>Email<\/em>, <em>S\u1ed1 \u0111i\u1ec7n tho\u1ea1i<\/em>, v\u00e0 <em>Tr\u1ea1ng th\u00e1i th\u00e0nh vi\u00ean<\/em>.<\/li>\n<li><strong>M\u01b0\u1ee3n:<\/strong> \u0110\u1ea1i di\u1ec7n cho giao d\u1ecbch gi\u1eefa m\u1ed9t th\u00e0nh vi\u00ean v\u00e0 m\u1ed9t cu\u1ed1n s\u00e1ch. C\u00e1c thu\u1ed9c t\u00ednh bao g\u1ed3m <em>M\u00e3 m\u01b0\u1ee3n<\/em>, <em>Ng\u00e0y ph\u00e1t h\u00e0nh<\/em>, <em>Ng\u00e0y \u0111\u1ebfn h\u1ea1n<\/em>, v\u00e0 <em>Ng\u00e0y tr\u1ea3<\/em>.<\/li>\n<li><strong>Ph\u1ea1t ti\u1ec1n:<\/strong> \u0110\u1ea1i di\u1ec7n cho c\u00e1c h\u00ecnh ph\u1ea1t t\u00e0i ch\u00ednh. C\u00e1c thu\u1ed9c t\u00ednh bao g\u1ed3m <em>M\u00e3 ph\u1ea1t ti\u1ec1n<\/em>, <em>S\u1ed1 ti\u1ec1n<\/em>, <em>Tr\u1ea1ng th\u00e1i thanh to\u00e1n<\/em>, v\u00e0 <em>M\u00e3 kho\u1ea3n vay li\u00ean quan<\/em>.<\/li>\n<\/ul>\n<h3>Thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a l\u1edbp<\/h3>\n<p>M\u1ed7i l\u1edbp ph\u1ea3i x\u00e1c \u0111\u1ecbnh d\u1eef li\u1ec7u n\u00f3 l\u01b0u tr\u1eef v\u00e0 c\u00e1c h\u00e0nh \u0111\u1ed9ng n\u00f3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 <strong>S\u00e1ch<\/strong> c\u1ea5u tr\u00fac l\u1edbp:<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\">\n<thead>\n<tr>\n<th>Thu\u1ed9c t\u00ednh<\/th>\n<th>Ki\u1ec3u d\u1eef li\u1ec7u<\/th>\n<th>M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><em>bookID<\/em><\/td>\n<td>S\u1ed1 nguy\u00ean<\/td>\n<td>M\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t cho cu\u1ed1n s\u00e1ch.<\/td>\n<\/tr>\n<tr>\n<td><em>ti\u00eau \u0111\u1ec1<\/em><\/td>\n<td>Chu\u1ed7i<\/td>\n<td>Ti\u00eau \u0111\u1ec1 \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a \u1ea5n ph\u1ea9m.<\/td>\n<\/tr>\n<tr>\n<td><em>t\u00e1c gi\u1ea3<\/em><\/td>\n<td>Chu\u1ed7i<\/td>\n<td>T\u00ean t\u00e1c gi\u1ea3 ch\u00ednh.<\/td>\n<\/tr>\n<tr>\n<td><em>isAvailable<\/em><\/td>\n<td>Boole<\/td>\n<td>Ch\u1ec9 ra xem cu\u1ed1n s\u00e1ch hi\u1ec7n \u0111ang c\u00f3 tr\u00ean k\u1ec7 hay kh\u00f4ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c li\u00ean quan \u0111\u1ebfn <strong>S\u00e1ch<\/strong> l\u1edbp c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n<ul>\n<li><code>checkAvailability()<\/code>: Tr\u1ea3 v\u1ec1 tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/li>\n<li><code>markAsCheckedOut()<\/code>: C\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i khi m\u01b0\u1ee3n.<\/li>\n<li><code>markAsReturned()<\/code>: C\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i khi tr\u1ea3.<\/li>\n<li><code>getDetails()<\/code>: Truy xu\u1ea5t t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u m\u00f4 t\u1ea3 \u0111\u1ec3 hi\u1ec3n th\u1ecb.<\/li>\n<\/ul>\n<h2>\ud83d\udd17 Giai \u0111o\u1ea1n 4: X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 v\u00e0 b\u1ed9i s\u1ed1<\/h2>\n<p>C\u00e1c l\u1edbp kh\u00f4ng t\u1ed3n t\u1ea1i m\u1ed9t c\u00e1ch c\u00f4 l\u1eadp. Ch\u00fang t\u01b0\u01a1ng t\u00e1c th\u00f4ng qua c\u00e1c m\u1ed1i quan h\u1ec7. Hi\u1ec3u r\u00f5 nh\u1eefng k\u1ebft n\u1ed1i n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng cho thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 lu\u1ed3ng logic.<\/p>\n<h3>Lo\u1ea1i m\u1ed1i quan h\u1ec7<\/h3>\n<ul>\n<li><strong>Li\u00ean k\u1ebft:<\/strong> M\u1ed9t li\u00ean k\u1ebft c\u1ea5u tr\u00fac gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng. M\u1ed9t Th\u00e0nh vi\u00ean <em>m\u01b0\u1ee3n<\/em> m\u1ed9t cu\u1ed1n S\u00e1ch.<\/li>\n<li><strong>T\u1ed5ng h\u1ee3p:<\/strong> M\u1ed9t m\u1ed1i quan h\u1ec7 \u201cto\u00e0n th\u1ec3-ph\u1ea7n\u201d trong \u0111\u00f3 ph\u1ea7n c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i \u0111\u1ed9c l\u1eadp. M\u1ed9t Th\u01b0 vi\u1ec7n c\u00f3 S\u00e1ch. N\u1ebfu th\u01b0 vi\u1ec7n \u0111\u00f3ng c\u1eeda, c\u00e1c cu\u1ed1n s\u00e1ch v\u1eabn t\u1ed3n t\u1ea1i.<\/li>\n<li><strong>Th\u00e0nh ph\u1ea7n:<\/strong> M\u1ed9t d\u1ea1ng m\u1ea1nh h\u01a1n c\u1ee7a t\u1ed5ng h\u1ee3p n\u01a1i ph\u1ea7n kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i n\u1ebfu kh\u00f4ng c\u00f3 to\u00e0n th\u1ec3. M\u1ed9t S\u00e1ch ch\u1ee9a C\u00e1c ch\u01b0\u01a1ng. N\u1ebfu s\u00e1ch b\u1ecb x\u00f3a, c\u00e1c ch\u01b0\u01a1ng c\u0169ng b\u1ecb x\u00f3a.<\/li>\n<li><strong>K\u1ebf th\u1eeba:<\/strong> M\u1ed9t l\u1edbp chuy\u00ean bi\u1ec7t \u0111\u01b0\u1ee3c k\u1ebf th\u1eeba t\u1eeb m\u1ed9t l\u1edbp c\u01a1 s\u1edf. V\u00ed d\u1ee5, <em>Th\u00e0nhVi\u00eanSinhVi\u00ean<\/em> v\u00e0 <em>Th\u00e0nhVi\u00eanGi\u1ea3ngVi\u00ean<\/em> \u0111\u1ec1u k\u1ebf th\u1eeba t\u1eeb <em>Th\u00e0nhVi\u00eanChung<\/em>.<\/li>\n<\/ul>\n<h3>B\u1ed9i s\u1ed1<\/h3>\n<p>C\u00e1c r\u00e0ng bu\u1ed9c x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u01b0\u1ee3ng c\u00e1c th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t l\u1edbp c\u00f3 li\u00ean quan \u0111\u1ebfn m\u1ed9t l\u1edbp kh\u00e1c:<\/p>\n<ul>\n<li><strong>M\u1ed9t-\u0111\u1ebfn-nhi\u1ec1u:<\/strong>M\u1ed9t th\u00e0nh vi\u00ean c\u00f3 th\u1ec3 m\u01b0\u1ee3n nhi\u1ec1u s\u00e1ch.<\/li>\n<li><strong>Nhi\u1ec1u-\u0111\u1ebfn-m\u1ed9t:<\/strong>Nhi\u1ec1u s\u00e1ch c\u00f3 th\u1ec3 thu\u1ed9c v\u1ec1 m\u1ed9t nh\u00e0 xu\u1ea5t b\u1ea3n.<\/li>\n<li><strong>M\u1ed9t-\u0111\u1ebfn-m\u1ed9t:<\/strong>M\u1ed9t th\u00e0nh vi\u00ean c\u00f3 m\u1ed9t th\u1ebb th\u00e0nh vi\u00ean.<\/li>\n<\/ul>\n<h2>\ud83d\udd04 Giai \u0111o\u1ea1n 5: M\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi<\/h2>\n<p>C\u1ea5u tr\u00fac t\u0129nh l\u00e0 ch\u01b0a \u0111\u1ee7. Ch\u00fang ta ph\u1ea3i hi\u1ec3u c\u00e1ch c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng h\u00e0nh x\u1eed theo th\u1eddi gian. C\u00e1c s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 v\u00e0 s\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i gi\u00fap tr\u1ef1c quan h\u00f3a lu\u1ed3ng n\u00e0y.<\/p>\n<h3>Lu\u1ed3ng s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1<\/h3>\n<p>M\u1ed9t s\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 th\u1ec3 hi\u1ec7n s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng theo th\u1ee9 t\u1ef1 th\u1eddi gian. \u0110\u1ed1i v\u1edbi quy tr\u00ecnh m\u01b0\u1ee3n s\u00e1ch:<\/p>\n<ol>\n<li><strong>Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng<\/strong> g\u1eedi m\u1ed9t y\u00eau c\u1ea7u \u0111\u1ebfn <strong>Controller m\u01b0\u1ee3n s\u00e1ch<\/strong>.<\/li>\n<li><strong>Controller m\u01b0\u1ee3n s\u00e1ch<\/strong> truy v\u1ea5n <strong>Kho l\u01b0u tr\u1eef th\u00e0nh vi\u00ean<\/strong> \u0111\u1ec3 ki\u1ec3m tra t\u00ednh h\u1ee3p l\u1ec7.<\/li>\n<li><strong>Controller m\u01b0\u1ee3n s\u00e1ch<\/strong> truy v\u1ea5n <strong>Kho l\u01b0u tr\u1eef s\u00e1ch<\/strong> \u0111\u1ec3 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng s\u1eb5n s\u00e0ng.<\/li>\n<li>N\u1ebfu c\u1ea3 hai \u0111\u1ec1u h\u1ee3p l\u1ec7, <strong>Controller m\u01b0\u1ee3n s\u00e1ch<\/strong> t\u1ea1o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng m\u1edbi <strong>M\u01b0\u1ee3n<\/strong> \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<li><strong>M\u01b0\u1ee3n<\/strong> c\u1eadp nh\u1eadt <strong>S\u00e1ch<\/strong> tr\u1ea1ng th\u00e1i th\u00e0nh kh\u00f4ng kh\u1ea3 d\u1ee5ng.<\/li>\n<li><strong>Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng<\/strong> hi\u1ec3n th\u1ecb x\u00e1c nh\u1eadn cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ol>\n<h3>S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i<\/h3>\n<p>S\u01a1 \u0111\u1ed3 tr\u1ea1ng th\u00e1i theo d\u00f5i v\u00f2ng \u0111\u1eddi c\u1ee7a m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng. Xem x\u00e9t <strong>S\u00e1ch<\/strong> v\u00f2ng \u0111\u1eddi \u0111\u1ed1i t\u01b0\u1ee3ng:<\/p>\n<ul>\n<li><strong>C\u00f3 s\u1eb5n:<\/strong>Tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u. S\u1eb5n s\u00e0ng \u0111\u1ec3 m\u01b0\u1ee3n.<\/li>\n<li><strong>\u0110\u00e3 \u0111\u1eb7t tr\u01b0\u1edbc:<\/strong>Ai \u0111\u00f3 \u0111\u00e3 y\u00eau c\u1ea7u cu\u1ed1n s\u00e1ch.<\/li>\n<li><strong>\u0110ang m\u01b0\u1ee3n:<\/strong> Hi\u1ec7n \u0111ang thu\u1ed9c v\u1ec1 m\u1ed9t th\u00e0nh vi\u00ean.<\/li>\n<li><strong>M\u1ea5t:<\/strong> \u0110\u01b0\u1ee3c b\u00e1o m\u1ea5t ho\u1eb7c h\u01b0 h\u1ecfng kh\u00f4ng th\u1ec3 s\u1eeda ch\u1eefa.<\/li>\n<li><strong>\u0110ang s\u1eeda ch\u1eefa:<\/strong> \u0110ang \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n<h2>\ud83d\uddc4\ufe0f Giai \u0111o\u1ea1n 6: \u00c1nh x\u1ea1 c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 l\u01b0u tr\u1eef<\/h2>\n<p>C\u00e1c thi\u1ebft k\u1ebf h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ea3i l\u01b0u tr\u1eef d\u1eef li\u1ec7u. Trong khi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng t\u1ed3n t\u1ea1i trong b\u1ed9 nh\u1edb, c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u01b0u tr\u1eef c\u00e1c b\u1ea3n ghi. Vi\u1ec7c \u00e1nh x\u1ea1 hai m\u00f4 h\u00ecnh n\u00e0y l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng.<\/p>\n<h3>\u00c1nh x\u1ea1 quan h\u1ec7<\/h3>\n<p>C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u00e1nh x\u1ea1 th\u00e0nh c\u00e1c b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7. L\u1edbp <strong>S\u00e1ch<\/strong> s\u1ebd tr\u1edf th\u00e0nh b\u1ea3ng <em>S\u00e1ch<\/em> b\u1ea3ng. C\u00e1c kh\u00f3a ngo\u1ea1i \u0111\u1ea3m b\u1ea3o c\u00e1c m\u1ed1i quan h\u1ec7.<\/p>\n<ul>\n<li>B\u1ea3ng <em>M\u01b0\u1ee3n<\/em> b\u1ea3ng li\u00ean k\u1ebft <em>Th\u00e0nh vi\u00ean<\/em> v\u00e0 <em>S\u00e1ch<\/em> b\u1eb1ng kh\u00f3a ch\u00ednh c\u1ee7a ch\u00fang.<\/li>\n<li>B\u1ea3ng <em>Ph\u00ed ph\u1ea1t<\/em>b\u1ea3ng tham chi\u1ebfu \u0111\u1ebfn <em>B\u1ea3ng m\u01b0\u1ee3n<\/em>b\u1ea3ng.<\/li>\n<\/ul>\n<h3>Xem x\u00e9t v\u1ec1 ORM<\/h3>\n<p>C\u00e1c c\u00f4ng c\u1ee5 \u00c1nh x\u1ea1 \u0110\u1ed1i t\u01b0\u1ee3ng &#8211; C\u01a1 s\u1edf d\u1eef li\u1ec7u (ORM) gi\u00fap l\u1ea5p \u0111\u1ea7y kho\u1ea3ng c\u00e1ch gi\u1eefa m\u00e3 ngu\u1ed3n v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u. Ch\u00fang cho ph\u00e9p nh\u00e0 ph\u00e1t tri\u1ec3n truy v\u1ea5n b\u1eb1ng c\u00fa ph\u00e1p \u0111\u1ed1i t\u01b0\u1ee3ng thay v\u00ec SQL th\u00f4. Nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>T\u1ea3i tr\u1ec5:<\/strong>Ch\u1ec9 t\u1ea3i d\u1eef li\u1ec7u li\u00ean quan khi c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd giao d\u1ecbch:<\/strong>\u0110\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u trong c\u00e1c thao t\u00e1c ph\u1ee9c t\u1ea1p nh\u01b0 r\u00fat nhi\u1ec1u s\u00e1ch c\u00f9ng l\u00fac.<\/li>\n<li><strong>Ch\u1ec9 m\u1ee5c:<\/strong>T\u1ed1i \u01b0u h\u00f3a truy v\u1ea5n cho c\u00e1c tr\u01b0\u1eddng th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c t\u00ecm ki\u1ebfm nh\u01b0 <em>ISBN<\/em> ho\u1eb7c <em>Ti\u00eau \u0111\u1ec1<\/em>.<\/li>\n<\/ul>\n<h2>\ud83d\udee1\ufe0f Giai \u0111o\u1ea1n 7: Chi\u1ebfn l\u01b0\u1ee3c x\u00e1c th\u1ef1c v\u00e0 ki\u1ec3m th\u1eed<\/h2>\n<p>Thi\u1ebft k\u1ebf ch\u01b0a ho\u00e0n t\u1ea5t cho \u0111\u1ebfn khi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u00e1c minh. Ki\u1ec3m th\u1eed \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua s\u1ef1 ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n<h3>Ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb<\/h3>\n<p>Ki\u1ec3m th\u1eed t\u1eebng l\u1edbp ri\u00eang l\u1ebb. X\u00e1c minh r\u1eb1ng ph\u01b0\u01a1ng th\u1ee9c <code>calculateFine()<\/code>tr\u1ea3 v\u1ec1 s\u1ed1 ti\u1ec1n \u0111\u00fang d\u1ef1a tr\u00ean s\u1ed1 ng\u00e0y qu\u00e1 h\u1ea1n. \u0110\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n bi\u00ean \u0111\u01b0\u1ee3c x\u1eed l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ed1 ng\u00e0y qu\u00e1 h\u1ea1n b\u1eb1ng kh\u00f4ng.<\/p>\n<h3>Ki\u1ec3m th\u1eed t\u00edch h\u1ee3p<\/h3>\n<p>Ki\u1ec3m th\u1eed c\u00e1ch c\u00e1c l\u1edbp t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau. X\u00e1c minh r\u1eb1ng vi\u1ec7c c\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i s\u00e1ch trong l\u1edbp <strong>S\u00e1ch<\/strong>ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u0111\u00fang trong l\u1edbp <strong>M\u01b0\u1ee3n<\/strong> l\u1edbp. Ki\u1ec3m tra k\u1ebft n\u1ed1i c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u01a1 ch\u1ebf ho\u00e0n t\u00e1c giao d\u1ecbch.<\/p>\n<h3>Ki\u1ec3m th\u1eed h\u1ec7 th\u1ed1ng<\/h3>\n<p>X\u00e1c minh quy tr\u00ecnh ho\u00e0n ch\u1ec9nh. Nh\u00e2n vi\u00ean th\u01b0 vi\u1ec7n ph\u1ea3i c\u00f3 th\u1ec3 x\u1eed l\u00fd vi\u1ec7c m\u01b0\u1ee3n t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i m\u00e0 kh\u00f4ng m\u1ea5t d\u1eef li\u1ec7u hay l\u1ed7i. Th\u1eed nghi\u1ec7m v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh hi\u1ec7u su\u1ea5t.<\/p>\n<h2>\ud83d\udd27 Giai \u0111o\u1ea1n 8: Xem x\u00e9t b\u1ea3o tr\u00ec v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/h2>\n<p>Ph\u1ea7n m\u1ec1m thay \u0111\u1ed5i theo th\u1eddi gian. Thi\u1ebft k\u1ebf ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 c\u00e1c thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai m\u00e0 kh\u00f4ng c\u1ea7n vi\u1ebft l\u1ea1i ho\u00e0n to\u00e0n.<\/p>\n<h3>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/h3>\n<p>S\u1eed d\u1ee5ng k\u1ebf th\u1eeba \u0111\u1ec3 th\u00eam c\u00e1c lo\u1ea1i th\u00e0nh vi\u00ean ho\u1eb7c s\u00e1ch m\u1edbi. N\u1ebfu th\u01b0 vi\u1ec7n th\u00eam ph\u01b0\u01a1ng ti\u1ec7n k\u1ef9 thu\u1eadt s\u1ed1, m\u1ed9t l\u1edbp<strong>DigitalItem<\/strong> l\u1edbp c\u00f3 th\u1ec3 k\u1ebf th\u1eeba t\u1eeb l\u1edbp c\u01a1 s\u1edf<strong>Item<\/strong> l\u1edbp, k\u1ebf th\u1eeba c\u00e1c thu\u1ed9c t\u00ednh chung trong khi th\u00eam c\u00e1c thu\u1ed9c t\u00ednh ri\u00eang bi\u1ec7t nh\u01b0<em>\u0110\u1ecbnh d\u1ea1ng t\u1ec7p<\/em> ho\u1eb7c<em>Gi\u1edbi h\u1ea1n t\u1ea3i xu\u1ed1ng<\/em>.<\/p>\n<h3>T\u00ednh module<\/h3>\n<p>Gi\u1eef c\u00e1c th\u00e0nh ph\u1ea7n t\u00e1ch bi\u1ec7t. Module t\u00ecm ki\u1ebfm<strong>Search Module<\/strong> kh\u00f4ng n\u00ean ph\u1ee5 thu\u1ed9c v\u00e0o module thanh to\u00e1n<strong>Payment Module<\/strong>. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u1eadp nh\u1eadt \u0111\u1ed9c l\u1eadp. N\u1ebfu h\u1ec7 th\u1ed1ng th\u00f4ng b\u00e1o thay \u0111\u1ed5i, n\u00f3 kh\u00f4ng n\u00ean l\u00e0m h\u1ecfng logic x\u1eed l\u00fd m\u01b0\u1ee3n.<\/p>\n<h3>C\u1eadp nh\u1eadt b\u1ea3o m\u1eadt<\/h3>\n<p>C\u01a1 ch\u1ebf x\u00e1c th\u1ef1c ph\u1ea3i m\u1ea1nh m\u1ebd. L\u01b0u m\u1eadt kh\u1ea9u an to\u00e0n b\u1eb1ng thu\u1eadt to\u00e1n b\u0103m. Tri\u1ec3n khai ki\u1ec3m so\u00e1t truy c\u1eadp theo vai tr\u00f2 \u0111\u1ec3 th\u00e0nh vi\u00ean kh\u00f4ng th\u1ec3 truy c\u1eadp c\u00e1c ch\u1ee9c n\u0103ng qu\u1ea3n tr\u1ecb.<\/p>\n<h2>\ud83d\udca1 Nh\u1eefng c\u00e2n nh\u1eafc cu\u1ed1i c\u00f9ng<\/h2>\n<p>Thi\u1ebft k\u1ebf m\u1ed9t H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n b\u1eb1ng Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa c\u00e1c m\u00f4 h\u00ecnh l\u00fd thuy\u1ebft v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n th\u1ef1c t\u1ebf. B\u1eb1ng c\u00e1ch t\u1eadp trung v\u00e0o \u0111\u1ecbnh ngh\u0129a l\u1edbp r\u00f5 r\u00e0ng, c\u00e1c m\u1ed1i quan h\u1ec7 v\u1eefng ch\u1eafc v\u00e0 m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi to\u00e0n di\u1ec7n, c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee5c v\u1ee5 ng\u01b0\u1eddi d\u00f9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<p>Quy tr\u00ecnh \u0111\u01b0\u1ee3c n\u00eau \u1edf tr\u00ean cung c\u1ea5p m\u1ed9t b\u1ea3n \u0111\u1ed3 h\u00e0nh tr\u00ecnh. N\u00f3 nh\u1ea5n m\u1ea1nh vi\u1ec7c hi\u1ec3u r\u00f5 l\u0129nh v\u1ef1c tr\u01b0\u1edbc khi vi\u1ebft m\u00e3. M\u1ed7i b\u01b0\u1edbc \u0111\u1ec1u d\u1ef1a tr\u00ean b\u01b0\u1edbc tr\u01b0\u1edbc \u0111\u00f3, \u0111\u1ea3m b\u1ea3o ki\u1ebfn tr\u00fac cu\u1ed1i c\u00f9ng l\u00e0 v\u1eefng ch\u1eafc. Vi\u1ec7c xem x\u00e9t thi\u1ebft k\u1ebf \u0111\u1ecbnh k\u1ef3 theo c\u00e1c y\u00eau c\u1ea7u m\u1edbi s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng lu\u00f4n ph\u00f9 h\u1ee3p v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 theo th\u1eddi gian.<\/p>\n<p>Th\u00e0nh c\u00f4ng n\u1eb1m \u1edf s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn chi ti\u1ebft trong giai \u0111o\u1ea1n ph\u00e2n t\u00edch. M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t s\u1ebd gi\u1ea3m n\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c c\u1ea3i ti\u1ebfn trong t\u01b0\u01a1ng lai. V\u1edbi n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc, ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n song h\u00e0nh v\u1edbi nhu c\u1ea7u c\u1ee7a th\u01b0 vi\u1ec7n m\u00e0 n\u00f3 ph\u1ee5c v\u1ee5.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>X\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m m\u1ea1nh m\u1ebd \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 c\u1ea5u tr\u00fac. Trong b\u1ed1i c\u1ea3nh Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (OOAD), vi\u1ec7c t\u1ea1o ra&hellip;<\/p>\n","protected":false},"author":1,"featured_media":664,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"Thi\u1ebft k\u1ebf H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n: H\u01b0\u1edbng d\u1eabn OOAD","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch thi\u1ebft k\u1ebf H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n b\u1eb1ng Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1edbi UML, l\u1edbp v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7.","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[44],"tags":[40,43],"class_list":["post-663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-object-oriented-analysis-and-design","tag-academic","tag-object-oriented-analysis-and-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Thi\u1ebft k\u1ebf H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n: H\u01b0\u1edbng d\u1eabn OOAD<\/title>\n<meta name=\"description\" content=\"H\u1ecdc c\u00e1ch thi\u1ebft k\u1ebf H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd Th\u01b0 vi\u1ec7n b\u1eb1ng Ph\u00e2n t\u00edch v\u00e0 Thi\u1ebft k\u1ebf H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. 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