{"id":10867,"date":"2026-03-06T01:05:28","date_gmt":"2026-03-05T17:05:28","guid":{"rendered":"https:\/\/www.archimetric.com\/vn\/how-to-identify-classes-in-object-oriented-analysis\/"},"modified":"2026-03-06T01:05:28","modified_gmt":"2026-03-05T17:05:28","slug":"how-to-identify-classes-in-object-oriented-analysis","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/vn\/how-to-identify-classes-in-object-oriented-analysis\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp trong ph\u00e2n t\u00edch h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng"},"content":{"rendered":"<div class=\"cl-preview-section\">\n<p>M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1edbp l\u00e0 s\u1eed d\u1ee5ng m\u1ed9t k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0<strong>ph\u00e2n t\u00edch danh t\u1eeb\/\u0111\u1ed9ng t\u1eeb v\u00e0 ki\u1ec3m tra ng\u1eef ph\u00e1p<\/strong>. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng c\u00e1c t\u00e0i li\u1ec7u y\u00eau c\u1ea7u c\u1ea5p cao, t\u00e0i li\u1ec7u ti\u1ebfp th\u1ecb v\u00e0 c\u00e1c ngu\u1ed3n kh\u00e1c gi\u00fap l\u00e0m s\u00e1ng t\u1ecf l\u0129nh v\u1ef1c v\u1ea5n \u0111\u1ec1 (t\u1ee9c l\u00e0 l\u0129nh v\u1ef1c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi v\u1ea5n \u0111\u1ec1 m\u00e0 h\u1ec7 th\u1ed1ng m\u1edbi c\u1ea7n gi\u1ea3i quy\u1ebft).<\/p>\n<p>Xem<em>S\u1eed d\u1ee5ng UML \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ed1i t\u01b0\u1ee3ng d\u1ef1a tr\u00ean tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/em> \u0111\u1ec3 xem m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch th\u1ef1c hi\u1ec7n ki\u1ec3m tra ng\u1eef ph\u00e1p tr\u00ean m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c y\u00eau c\u1ea7u v\u0103n b\u1ea3n.<\/p>\n<\/div>\n<div class=\"cl-preview-section\">\n<p>Nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh nhanh nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c y\u00eau c\u1ea7u c\u00f9ng v\u1edbi ng\u01b0\u1eddi d\u00f9ng. H\u00e3y c\u00f9ng xem l\u00e0m th\u1ebf n\u00e0o ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t trang HTML m\u1eabu cho m\u1ed9t c\u1eeda h\u00e0ng s\u00e1ch tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed9t t\u1eadp h\u1ee3p nh\u1ecf c\u00e1c l\u1edbp c\u1ea7n thi\u1ebft trong vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a to\u00e0n b\u1ed9 c\u1eeda h\u00e0ng s\u00e1ch.<\/p>\n<p>Ch\u00fang ta b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t trang duy nh\u1ea5t hi\u1ec3n th\u1ecb th\u00f4ng tin chi ti\u1ebft v\u1ec1 m\u1ed9t cu\u1ed1n s\u00e1ch c\u1ee5 th\u1ec3.<\/p>\n<\/div>\n<div class=\"cl-preview-section\">\n<p>Nh\u1eafc l\u1ea1i nhanh trang n\u00e0y trong t\u00e2m tr\u00ed b\u1ea1n s\u1ebd l\u00e0m n\u1ed5i b\u1eadt c\u00e1c l\u1edbp sau l\u00e0 ph\u00f9 h\u1ee3p:<\/p>\n<ul>\n<li>T\u1ea5t nhi\u00ean, c\u00f3 m\u1ed9t<strong>S\u00e1ch<\/strong>, \u00edt nh\u1ea5t m\u1ed9t<strong>T\u00e1c gi\u1ea3<\/strong>.<\/li>\n<li>C\u00f3 m\u1ed9t<strong>Nh\u00e0 xu\u1ea5t b\u1ea3n<\/strong>.<\/li>\n<li>Cu\u1ed1n s\u00e1ch c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t ho\u1eb7c nhi\u1ec1u \u0111\u00e1nh gi\u00e1. C\u00e1c \u0111\u00e1nh gi\u00e1 n\u00e0y \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i:<strong>\u0110\u00e1nh gi\u00e1 n\u1ed9i b\u1ed9<\/strong> v\u00e0<strong>\u0110\u00e1nh gi\u00e1 kh\u00e1ch h\u00e0ng<\/strong>. (B\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t \u1edf Ch\u01b0\u01a1ng 2.) M\u1ed7i \u0111\u00e1nh gi\u00e1 c\u00f3 m\u1ed9t ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1 li\u00ean quan<strong>Ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1<\/strong>.<\/li>\n<\/ul>\n<\/div>\n<div class=\"cl-preview-section\">\n<p>N\u1ebfu ch\u00fang ta ti\u1ebfn xa h\u01a1n v\u00e0 h\u00ecnh dung m\u1ed9t ng\u01b0\u1eddi d\u00f9ng mua cu\u1ed1n s\u00e1ch sau khi xem trang, c\u00e1c l\u1edbp ti\u1ec1m n\u0103ng kh\u00e1c s\u1ebd xu\u1ea5t hi\u1ec7n:<\/p>\n<ul>\n<li>Ng\u01b0\u1eddi xem tr\u1edf th\u00e0nh m\u1ed9t<strong>Kh\u00e1ch h\u00e0ng<\/strong> v\u00e0 c\u00f3 m\u1ed9t<strong>T\u00e0i kho\u1ea3n<\/strong>.<\/li>\n<li>Cu\u1ed1n s\u00e1ch tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n c\u1ee7a <strong>\u0110\u01a1n h\u00e0ng<\/strong>.<\/li>\n<li>\u0110\u01a1n h\u00e0ng ph\u1ea3i c\u00f3 <strong>Th\u00f4ng tin thanh to\u00e1n<\/strong> v\u00e0 <strong>Th\u00f4ng tin giao h\u00e0ng<\/strong>\u0111\u1ec3 c\u1eeda h\u00e0ng s\u00e1ch c\u00f3 th\u1ec3 thu ti\u1ec1n v\u00e0 giao cu\u1ed1n s\u00e1ch.<\/li>\n<\/ul>\n<\/div>\n<div class=\"cl-preview-section\">\n<p>Ph\u00e2n t\u00edch th\u00eam cho th\u1ea5y c\u1ea7n thi\u1ebft ph\u1ea3i c\u00f3 hai l\u1edbp sau:<\/p>\n<ul>\n<li>Nh\u01b0 \u0111\u00e3 n\u00f3i, m\u1ed9t cu\u1ed1n s\u00e1ch c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u t\u00e1c gi\u1ea3, nh\u01b0ng m\u1ed9t t\u00e1c gi\u1ea3 c\u00f3 th\u1ec3 vi\u1ebft nhi\u1ec1u h\u01a1n m\u1ed9t cu\u1ed1n s\u00e1ch. \u0110\u1ec3 tr\u00e1nh m\u1ed1i quan h\u1ec7 nhi\u1ec1u-\u0111a, ch\u00fang ta c\u1ea7n m\u1ed9t l\u1edbp<strong>BookAndAuthor<\/strong> l\u1edbp.<\/li>\n<\/ul>\n<\/div>\n<div class=\"cl-preview-section\">\n<p>C\u1eeda h\u00e0ng s\u00e1ch (C\u1eeda h\u00e0ng s\u00e1ch) s\u1eed d\u1ee5ng nhi\u1ec1u c\u00f4ng ty v\u1eadn chuy\u1ec3n (C\u00f4ng ty v\u1eadn chuy\u1ec3n), v\u00ec v\u1eady c\u1ea7n m\u1ed9t l\u1edbp<strong>Shipper<\/strong> l\u1edbp.<\/p>\n<p>Do \u0111\u00f3, t\u1eadp h\u1ee3p c\u00e1c danh t\u1eeb (danh t\u1eeb) v\u00e0 c\u1ee5m danh t\u1eeb (c\u1ee5m danh t\u1eeb) k\u1ebft qu\u1ea3 bao g\u1ed3m:<\/p>\n<ul>\n<li>T\u00e0i kho\u1ea3n<\/li>\n<li>T\u00e1c gi\u1ea3<\/li>\n<li>Th\u00f4ng tin thanh to\u00e1n<\/li>\n<li>S\u00e1ch<\/li>\n<li>BookAndAuthor<\/li>\n<li>Kh\u00e1ch h\u00e0ng<\/li>\n<li>\u0110\u00e1nh gi\u00e1 c\u1ee7a kh\u00e1ch h\u00e0ng<\/li>\n<li>\u0110\u00e1nh gi\u00e1 bi\u00ean t\u1eadp<\/li>\n<li>\u0110\u01a1n h\u00e0ng<\/li>\n<li>Nh\u00e0 xu\u1ea5t b\u1ea3n<\/li>\n<li>\u0110\u00e1nh gi\u00e1<\/li>\n<li>Ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1<\/li>\n<li>Shipper<\/li>\n<li>Th\u00f4ng tin giao h\u00e0ng<\/li>\n<\/ul>\n<\/div>\n<div class=\"cl-preview-section\">\n<h5>Ghi ch\u00fa:<\/h5>\n<p>V\u00ed d\u1ee5 n\u00e0y minh h\u1ecda m\u1ed9t nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n: t\u00ecm c\u00e0ng nhi\u1ec1u danh t\u1eeb v\u00e0 c\u1ee5m danh t\u1eeb c\u00e0ng t\u1ed1t t\u1eeb c\u00e1c y\u00eau c\u1ea7u, sau \u0111\u00f3 ph\u00e2n t\u00edch, tinh ch\u1ec9nh v\u00e0 m\u1edf r\u1ed9ng danh s\u00e1ch. D\u00f9 b\u1ea1n l\u00e0m theo c\u00e1ch n\u00e0o, vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a b\u1ea1n.<\/p>\n<\/div>\n<div class=\"cl-preview-section\">\n<h3 id=\"uml-reference\">T\u00e0i li\u1ec7u tham kh\u1ea3o Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML)<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml\/\">UML l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/why-uml-modeling\/\">T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh h\u00f3a UML?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/overview-of-the-14-uml-diagram-types\/\">T\u1ed5ng quan v\u1ec1 14 lo\u1ea1i s\u01a1 \u0111\u1ed3 UML<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-class-diagram\/\">S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-component-diagram\/\">S\u01a1 \u0111\u1ed3 th\u00e0nh ph\u1ea7n l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-deployment-diagram\/\">S\u01a1 \u0111\u1ed3 tri\u1ec3n khai l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-object-diagram\/\">S\u01a1 \u0111\u1ed3 \u0111\u1ed1i t\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-package-diagram\/\">S\u01a1 \u0111\u1ed3 g\u00f3i l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-composite-structure-diagram\/\">S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u1ed5ng h\u1ee3p l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-profile-diagram\/\">S\u01a1 \u0111\u1ed3 h\u1ed3 s\u01a1 l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-use-case-diagram\/\">S\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-activity-diagram\/\">S\u01a1 \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-state-machine-diagram\/\">S\u01a1 \u0111\u1ed3 m\u00e1y tr\u1ea1ng th\u00e1i l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-sequence-diagram\/\">S\u01a1 \u0111\u1ed3 tu\u1ea7n t\u1ef1 l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-communication-diagram\/\">S\u01a1 \u0111\u1ed3 giao ti\u1ebfp l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-interaction-overview-diagram\/\">S\u01a1 \u0111\u1ed3 t\u1ed5ng quan t\u01b0\u01a1ng t\u00e1c l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-timing-diagram\/\">S\u01a1 \u0111\u1ed3 th\u1eddi gian l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/what-is-uml-collaboration-diagram\/\">S\u01a1 \u0111\u1ed3 h\u1ee3p t\u00e1c UML l\u00e0 g\u00ec?<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-aggregation-vs-composition\/\">Quan h\u1ec7 UML so v\u1edbi T\u00edch h\u1ee3p so v\u1edbi K\u1ebft h\u1ee3p<\/a><\/li>\n<li><a href=\"https:\/\/www.visual-paradigm.com\/guide\/uml-unified-modeling-language\/uml-class-diagram-tutorial\/\">H\u01b0\u1edbng d\u1eabn s\u01a1 \u0111\u1ed3 l\u1edbp UML<\/a><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u53d1\u73b0\u7c7b\u7684\u4e00\u79cd\u7b80\u5355\u800c\u6709\u6548\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u4e00\u79cd\u88ab\u79f0\u4e3a\u540d\u8bcd\/\u52a8\u8bcd\u7684\u6280\u672f\u5206\u6790\u548c\u8bed\u6cd5\u68c0\u67e5\u3002\u8fd9\u6d89\u53ca\u5230\u6df1\u5165\u7814\u7a76\u9ad8\u5c42\u6b21\u7684\u9700\u6c42\u6587\u4ef6\u3001\u8425\u9500\u6750\u6599\u548c\u5176\u4ed6\u80fd\u6d1e\u5bdf\u95ee\u9898\u7684\u6750\u6599<br \/>\n\u57df (\u6362\u53e5\u8bdd\u8bf4\uff0c\u5c31\u662f\u7531\u65b0\u7cfb\u7edf\u5e94\u8be5\u9762\u5bf9\u7684\u95ee\u9898\u5b9a\u4e49\u7684\u9886\u57df\u89e3\u51b3)\u3002\u8bf7\u53c2\u9605\u4f7f\u7528UML\u8fdb\u884c\u7528\u4f8b\u9a71\u52a8\u5bf9\u8c61\u5efa\u6a21, \u4ee5\u83b7\u5f97\u5982\u4f55\u6267\u884c\u7684\u793a\u4f8b\u4f7f\u7528\u4e00\u5957\u6587\u672c\u8981\u6c42\u8fdb\u884c\u8bed\u6cd5\u68c0\u67e5\u3002<\/p>\n","protected":false},"author":3479,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp trong ph\u00e2n t\u00edch h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng UML","_yoast_wpseo_metadesc":"H\u1ecdc c\u00e1ch x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp trong ph\u00e2n t\u00edch h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng b\u1eb1ng k\u1ef9 thu\u1eadt danh t\u1eeb\/\u0111\u1ed9ng t\u1eeb v\u00e0 c\u00e1c 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