{"id":1126,"date":"2026-03-28T19:58:44","date_gmt":"2026-03-28T19:58:44","guid":{"rendered":"https:\/\/www.method-post.com\/cn\/component-breakdown-aggregation-composition-association-class-diagram\/"},"modified":"2026-03-28T19:58:44","modified_gmt":"2026-03-28T19:58:44","slug":"component-breakdown-aggregation-composition-association-class-diagram","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/cn\/component-breakdown-aggregation-composition-association-class-diagram\/","title":{"rendered":"\u7ec4\u4ef6\u5206\u89e3\uff1a\u6e05\u6670\u7406\u89e3\u805a\u5408\u3001\u7ec4\u5408\u4e0e\u5173\u8054"},"content":{"rendered":"<p>\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u4f9d\u8d56\u4e8e\u7c7b\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u5f53\u67b6\u6784\u5e08\u7ed8\u5236\u7cfb\u7edf\u65f6\uff0c\u901a\u5e38\u4f1a\u4ece\u7c7b\u56fe\u5f00\u59cb\u3002\u8fd9\u79cd\u89c6\u89c9\u84dd\u56fe\u5b9a\u4e49\u4e86\u8f6f\u4ef6\u5185\u90e8\u7684\u7ed3\u6784\u3001\u5c5e\u6027\u4ee5\u53ca\u5173\u7cfb\u3002\u5728\u8be5\u84dd\u56fe\u4e2d\uff0c\u6700\u5173\u952e\u7684\u90e8\u5206\u5c31\u662f\u5173\u7cfb\u672c\u8eab\u3002\u5177\u4f53\u800c\u8a00\uff0c\u5173\u8054\u3001\u805a\u5408\u4e0e\u7ec4\u5408\u4e4b\u95f4\u7684\u533a\u522b\u51b3\u5b9a\u4e86\u5bf9\u8c61\u5982\u4f55\u7ba1\u7406\u5176\u751f\u547d\u5468\u671f\u548c\u4f9d\u8d56\u5173\u7cfb\u3002\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u7684\u8bef\u89e3\u53ef\u80fd\u5bfc\u81f4\u4ee3\u7801\u53d8\u5f97\u8106\u5f31\uff0c\u5f53\u7cfb\u7edf\u4e2d\u67d0\u4e00\u90e8\u5206\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u5bf9\u8c61\u4f1a\u610f\u5916\u5730\u5d29\u6e83\u3002<\/p>\n<p>\u8fd9\u4e09\u79cd\u5173\u7cfb\u7c7b\u578b\u5e38\u5e38\u88ab\u6df7\u6dc6\u3002\u5b83\u4eec\u90fd\u8868\u793a\u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u201c\u8fde\u63a5\u201d\uff0c\u4f46\u8fd9\u79cd\u8fde\u63a5\u7684\u672c\u8d28\u5374\u5927\u4e0d\u76f8\u540c\u3002\u5728\u672c\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u9010\u4e00\u5256\u6790\u6bcf\u79cd\u5173\u7cfb\u7c7b\u578b\u3002\u6211\u4eec\u5c06\u8003\u5bdf\u5b83\u4eec\u7684\u89c6\u89c9\u8868\u793a\u3001\u8bed\u4e49\u542b\u4e49\uff0c\u4ee5\u53ca\u5b83\u4eec\u5982\u4f55\u8f6c\u5316\u4e3a\u5b9e\u9645\u7684\u4ee3\u7801\u7ed3\u6784\u3002\u6700\u7ec8\uff0c\u60a8\u5c06\u5efa\u7acb\u8d77\u4e00\u4e2a\u6e05\u6670\u7684\u601d\u7ef4\u6a21\u578b\uff0c\u80fd\u591f\u5c06\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u573a\u666f\u51c6\u786e\u6620\u5c04\u5230\u60a8\u7684\u7c7b\u56fe\u4e2d\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Line art infographic explaining UML class diagram relationships: Association (straight line, independent lifecycle, Student-Course example), Aggregation (hollow diamond, weak ownership, Department-Professor example), and Composition (filled diamond, strong ownership, House-Room example). Includes visual symbols, lifecycle dependencies, code implementation hints, multiplicity notation, and a comparison table for object-oriented design clarity.\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/uml-class-relationships-infographic-association-aggregation-composition-line-art.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u5173\u8054\uff1a\u57fa\u672c\u8fde\u63a5 \ud83d\udd17<\/h2>\n<p>\u5173\u8054\u662f\u7c7b\u56fe\u4e2d\u6700\u666e\u904d\u7684\u5173\u7cfb\u5f62\u5f0f\u3002\u5b83\u8868\u793a\u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u6027\u8fde\u63a5\u3002\u5982\u679c\u7c7bA\u4e0e\u7c7bB\u76f8\u5173\u8054\uff0c\u610f\u5473\u7740\u7c7bA\u7684\u5bf9\u8c61\u6301\u6709\u5bf9\u7c7bB\u5bf9\u8c61\u7684\u5f15\u7528\u3002\u8fd9\u662f\u6784\u5efa\u5176\u4ed6\u4e24\u79cd\u5173\u7cfb\u7684\u57fa\u7840\u3002<\/p>\n<h3>\u5173\u8054\u7684\u5173\u952e\u7279\u5f81<\/h3>\n<ul>\n<li><strong>\u65b9\u5411\u6027\uff1a<\/strong>\u5173\u8054\u53ef\u4ee5\u662f\u5355\u5411\u7684\uff08\u4e00\u4e2a\u7bad\u5934\uff09\u6216\u53cc\u5411\u7684\uff08\u65e0\u7bad\u5934\u6216\u4e24\u4e2a\u7bad\u5934\uff09\u3002\u5355\u5411\u8868\u793a\u7c7bA\u77e5\u9053\u7c7bB\uff0c\u4f46\u7c7bB\u53ef\u80fd\u4e0d\u77e5\u9053\u7c7bA\u3002<\/li>\n<li><strong>\u591a\u91cd\u6027\uff1a<\/strong>\u5b83\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e4b\u95f4\u7684\u6570\u91cf\u5173\u7cfb\u3002\u5e38\u89c1\u7684\u7b26\u53f7\u5305\u62ec\u201c1\u201d\u3001\u201c1..*\u201d\uff08\u4e00\u5bf9\u591a\uff09\u548c\u201c0..1\u201d\uff08\u96f6\u4e2a\u6216\u4e00\u4e2a\uff09\u3002<\/li>\n<li><strong>\u53ef\u5bfc\u822a\u6027\uff1a<\/strong>\u5728\u4ee3\u7801\u4e2d\uff0c\u8fd9\u901a\u5e38\u8f6c\u5316\u4e3a\u5f15\u7528\u6216\u6307\u9488\u3002\u5b83\u51b3\u5b9a\u4e86\u54ea\u4e2a\u5bf9\u8c61\u6301\u6709\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u5185\u5b58\u5730\u5740\u3002<\/li>\n<li><strong>\u89d2\u8272\u540d\u79f0\uff1a<\/strong>\u5173\u8054\u901a\u5e38\u5728\u8fde\u7ebf\u7684\u4e24\u7aef\u5e26\u6709\u540d\u79f0\uff0c\u8868\u793a\u5bf9\u8c61\u6240\u626e\u6f14\u7684\u89d2\u8272\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u201c\u5ba2\u6237\u201d\u62e5\u6709\u4e00\u4e2a\u201c\u8d26\u5355\u5730\u5740\u201d\u3002<\/li>\n<\/ul>\n<h3>\u793a\u4f8b\u573a\u666f\uff1a\u5b66\u751f\u4e0e\u8bfe\u7a0b \ud83c\udf93<\/h3>\n<p>\u8003\u8651\u4e00\u4e2a\u7ba1\u7406\u5b66\u672f\u8bb0\u5f55\u7684\u7cfb\u7edf\u3002\u4e00\u4e2a<strong>\u5b66\u751f<\/strong>\u7c7b\u4e0e\u4e00\u4e2a<strong>\u8bfe\u7a0b<\/strong>\u7c7b\u76f8\u5173\u8054\u3002\u8fd9\u79cd\u5173\u8054\u4f7f\u5f97\u5b66\u751f\u53ef\u4ee5\u6ce8\u518c\u8bfe\u7a0b\u3002\u7136\u800c\uff0c\u8bfe\u7a0b\u53ef\u4ee5\u72ec\u7acb\u4e8e\u7279\u5b9a\u5b66\u751f\u5b58\u5728\u3002\u5982\u679c\u5b66\u751f\u9000\u5b66\uff0c\u8bfe\u7a0b\u8bb0\u5f55\u4ecd\u4fdd\u7559\u5728\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<ul>\n<li><strong>\u89c6\u89c9\u8868\u793a\uff1a<\/strong> \u4e00\u6761\u8fde\u63a5\u4e24\u4e2a\u7c7b\u7684\u76f4\u7ebf\u3002<\/li>\n<li><strong> \u542b\u4e49\uff1a<\/strong> \u8bfe\u7a0b\u7684\u751f\u547d\u5468\u671f\u72ec\u7acb\u4e8e\u5b66\u751f\u3002<\/li>\n<li><strong> \u4ee3\u7801\u7b49\u4ef7\u5f62\u5f0f\uff1a<\/strong> \u7c7b\u4e2d\u7684\u5f15\u7528\u53d8\u91cf\u6216\u6570\u636e\u5e93\u8868\u4e2d\u7684\u5916\u952e\u3002<\/li>\n<\/ul>\n<h3>\u4f55\u65f6\u4f7f\u7528\u5173\u8054<\/h3>\n<p>\u5f53\u60a8\u9700\u8981\u5728\u4e24\u4e2a\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u7684\u5b9e\u4f53\u4e4b\u95f4\u5efa\u7acb\u8fde\u63a5\u65f6\uff0c\u5e94\u4f7f\u7528\u5173\u8054\u3002\u8fd9\u662f\u9ed8\u8ba4\u7684\u5173\u7cfb\u7c7b\u578b\u3002\u5982\u679c\u60a8\u4e0d\u786e\u5b9a\uff0c\u53ef\u4ee5\u5148\u4ece\u5173\u8054\u5f00\u59cb\uff0c\u4e4b\u540e\u5728\u53d1\u73b0\u751f\u547d\u5468\u671f\u4f9d\u8d56\u5173\u7cfb\u65f6\u518d\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<h2>2. \u805a\u5408\uff1a\u2018\u62e5\u6709\u2019\u5173\u7cfb \ud83e\uddfa<\/h2>\n<p>\u805a\u5408\u662f\u5173\u8054\u7684\u4e00\u79cd\u7279\u6b8a\u5f62\u5f0f\u3002\u5b83\u8868\u793a\u4e00\u79cd\u2018\u6574\u4f53-\u90e8\u5206\u2019\u5173\u7cfb\u3002\u5728\u6b64\u4e0a\u4e0b\u6587\u4e2d\uff0c\u6574\u4f53\u7c7b\u5305\u542b\u6216\u62e5\u6709\u90e8\u5206\u7c7b\u3002\u7136\u800c\uff0c\u805a\u5408\u7684\u5b9a\u4e49\u6027\u7279\u5f81\u5728\u4e8e\uff0c\u90e8\u5206\u53ef\u4ee5\u72ec\u7acb\u4e8e\u6574\u4f53\u800c\u5b58\u5728\u3002<\/p>\n<h3>\u805a\u5408\u7684\u5173\u952e\u7279\u5f81<\/h3>\n<ul>\n<li><strong>\u5f31\u6240\u6709\u6743\uff1a<\/strong> \u201c\u6574\u4f53\u201d \u5bf9 \u201c\u90e8\u5206\u201d \u7684\u751f\u547d\u5468\u671f\u6ca1\u6709\u72ec\u5360\u63a7\u5236\u6743\u3002<\/li>\n<li><strong>\u72ec\u7acb\u6027\uff1a<\/strong> \u5982\u679c\u6574\u4f53\u5bf9\u8c61\u88ab\u9500\u6bc1\uff0c\u90e8\u5206\u5bf9\u8c61\u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<li><strong>\u89c6\u89c9\u8868\u793a\uff1a<\/strong> \u4e00\u6761\u76f4\u7ebf\uff0c\u5728\u201c\u6574\u4f53\u201d\u4e00\u7aef\u6709\u4e00\u4e2a\u7a7a\u5fc3\uff08\u767d\u8272\uff09\u83f1\u5f62\u3002<\/li>\n<li><strong>\u5171\u4eab\u8d44\u6e90\uff1a<\/strong> \u8fd9\u901a\u5e38\u7528\u4e8e\u5efa\u6a21\u5171\u4eab\u8d44\u6e90\uff0c\u5176\u4e2d\u591a\u4e2a\u6574\u4f53\u53ef\u80fd\u5f15\u7528\u540c\u4e00\u4e2a\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h3>\u793a\u4f8b\u573a\u666f\uff1a\u7cfb\u548c\u6559\u6388 \ud83d\udc68\u200d\ud83c\udfeb<\/h3>\n<p>\u60f3\u8c61\u4e00\u4e2a\u5927\u5b66\u7684\u7ed3\u6784\u3002\u4e00\u4e2a<strong>\u7cfb<\/strong>\u805a\u5408<strong>\u6559\u6388<\/strong>\u5bf9\u8c61\u3002\u7cfb\u662f\u6574\u4f53\uff0c\u6559\u6388\u662f\u90e8\u5206\u3002<\/p>\n<ul>\n<li><strong>\u573a\u666f\uff1a<\/strong> \u5982\u679c\u7cfb\u88ab\u89e3\u6563\u6216\u5408\u5e76\uff0c\u6559\u6388\u5e76\u4e0d\u4f1a\u6d88\u5931\u3002\u4ed6\u4eec\u53ef\u80fd\u53ea\u662f\u88ab\u91cd\u65b0\u5206\u914d\u5230\u53e6\u4e00\u4e2a\u7cfb\u3002<\/li>\n<li><strong>\u4ee3\u7801\u7b49\u4ef7\uff1a<\/strong> \u4e00\u4e2a\u5f15\u7528\u5217\u8868\u6216\u96c6\u5408\u3002\u7cfb\u6301\u6709\u6559\u6388\u5bf9\u8c61\u7684\u5217\u8868\uff0c\u4f46\u5e76\u4e0d\u72ec\u5360\u5730\u521b\u5efa\u6216\u9500\u6bc1\u5b83\u4eec\u3002<\/li>\n<\/ul>\n<h3>\u5e38\u89c1\u8bef\u89e3<\/h3>\n<p>\u4eba\u4eec\u5e38\u5e38\u5c06\u805a\u5408\u4e0e\u7b80\u5355\u7684\u5173\u8054\u6df7\u6dc6\u3002\u533a\u522b\u5728\u4e8e\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\u7684\u8bed\u4e49\u5f3a\u5ea6\u3002\u5728\u5173\u8054\u4e2d\uff0c\u94fe\u63a5\u53ea\u662f\u4e00\u4e2a\u8fde\u63a5\u3002\u5728\u805a\u5408\u4e2d\uff0c\u94fe\u63a5\u6697\u793a\u4e86\u4e00\u79cd\u5c42\u6b21\u7ed3\u6784\uff0c\u4f46\u6ca1\u6709\u4e25\u683c\u7684\u751f\u547d\u5468\u671f\u4f9d\u8d56\u3002\u7a7a\u5fc3\u83f1\u5f62\u662f\u5173\u952e\u7684\u89c6\u89c9\u63d0\u793a\u3002<\/p>\n<h2>3. \u7ec4\u5408\uff1a\u5f3a\u6240\u6709\u6743 \ud83d\udd28<\/h2>\n<p>\u7ec4\u5408\u662f\u5173\u8054\u7684\u6700\u5f3a\u5f62\u5f0f\u3002\u4e0e\u805a\u5408\u7c7b\u4f3c\uff0c\u5b83\u8868\u793a\u4e00\u79cd\u201c\u6574\u4f53-\u90e8\u5206\u201d\u5173\u7cfb\u3002\u7136\u800c\uff0c\u90e8\u5206\u4e0d\u80fd\u72ec\u7acb\u4e8e\u6574\u4f53\u800c\u5b58\u5728\u3002\u5982\u679c\u6574\u4f53\u5bf9\u8c61\u88ab\u9500\u6bc1\uff0c\u90e8\u5206\u5bf9\u8c61\u4e5f\u4f1a\u968f\u4e4b\u88ab\u9500\u6bc1\u3002\u8fd9\u6697\u793a\u4e86\u72ec\u5360\u6240\u6709\u6743\u3002<\/p>\n<h3>\u7ec4\u5408\u7684\u5173\u952e\u7279\u5f81<\/h3>\n<ul>\n<li><strong>\u5f3a\u6240\u6709\u6743\uff1a<\/strong> \u6574\u4f53\u8d1f\u8d23\u90e8\u5206\u7684\u521b\u5efa\u548c\u9500\u6bc1\u3002<\/li>\n<li><strong>\u4f9d\u8d56\u751f\u547d\u5468\u671f\uff1a<\/strong> \u90e8\u5206\u5982\u679c\u6ca1\u6709\u6574\u4f53\uff0c\u5c31\u6ca1\u6709\u610f\u4e49\u6216\u5b58\u5728\u3002<\/li>\n<li><strong>\u89c6\u89c9\u8868\u793a\uff1a<\/strong> \u4e00\u6761\u76f4\u7ebf\uff0c\u5728\u201c\u6574\u4f53\u201d\u4e00\u7aef\u6709\u4e00\u4e2a\u5b9e\u5fc3\uff08\u9ed1\u8272\uff09\u83f1\u5f62\u3002<\/li>\n<li><strong>\u4e13\u5c5e\u8bbf\u95ee\uff1a<\/strong> \u96f6\u4ef6\u901a\u5e38\u4e00\u6b21\u53ea\u5c5e\u4e8e\u4e00\u4e2a\u6574\u4f53\u3002<\/li>\n<\/ul>\n<h3> \u793a\u4f8b\u573a\u666f\uff1a\u623f\u5c4b\u4e0e\u623f\u95f4 \ud83c\udfe0<\/h3>\n<p>\u8003\u8651\u4e00\u4e2a\u623f\u5730\u4ea7\u6a21\u578b\u3002\u4e00\u4e2a<strong>\u623f\u5c4b<\/strong> \u7531 <strong> \u623f\u95f4<\/strong> \u5bf9\u8c61\u7ec4\u6210\u3002<\/p>\n<ul>\n<li><strong>\u573a\u666f\uff1a<\/strong> \u6ca1\u6709\u201c\u623f\u5c4b\u201d\u6765\u5b9a\u4e49\u5176\u4e0a\u4e0b\u6587\uff0c\u5c31\u4e0d\u53ef\u80fd\u5b58\u5728\u4e00\u4e2a\u201c\u623f\u95f4\u201d\u3002\u5982\u679c\u623f\u5c4b\u88ab\u62c6\u9664\uff0c\u623f\u95f4\u5b9e\u9645\u4e0a\u4e5f\u5c31\u88ab\u6467\u6bc1\u4e86\u3002\u5b83\u4eec\u4e0d\u4f1a\u8f6c\u79fb\u5230\u53e6\u4e00\u680b\u623f\u5c4b\u4e2d\u3002<\/li>\n<li><strong> \u4ee3\u7801\u7b49\u4ef7\u5f62\u5f0f\uff1a<\/strong> \u623f\u5c4b\u7c7b\u5728\u5185\u90e8\u5b9e\u4f8b\u5316\u623f\u95f4\u5bf9\u8c61\u3002\u623f\u95f4\u5bf9\u8c61\u4e0d\u662f\u4ece\u5916\u90e8\u4f20\u5165\u7684\uff1b\u5b83\u4eec\u4f5c\u4e3a\u623f\u5c4b\u6784\u9020\u51fd\u6570\u7684\u4e00\u90e8\u5206\u88ab\u521b\u5efa\u3002<\/li>\n<\/ul>\n<h3> \u4e0e\u805a\u5408\u7684\u5bf9\u6bd4<\/h3>\n<p> \u4e3a\u4ec0\u4e48\u6c7d\u8f66\u548c\u53d1\u52a8\u673a\u662f\u805a\u5408\u5173\u7cfb\uff0c\u800c\u623f\u5c4b\u548c\u623f\u95f4\u662f\u7ec4\u5408\u5173\u7cfb\uff1f<\/p>\n<ul>\n<li><strong> \u6c7d\u8f66\u4e0e\u53d1\u52a8\u673a\uff1a<\/strong> \u5982\u679c\u4e00\u8f86\u6c7d\u8f66\u88ab\u62a5\u5e9f\uff0c\u53d1\u52a8\u673a\u53ef\u80fd\u88ab\u56de\u6536\u5e76\u5b89\u88c5\u5230\u53e6\u4e00\u8f86\u6c7d\u8f66\u4e0a\u3002\u53d1\u52a8\u673a\u7684\u4ef7\u503c\u8d85\u8d8a\u4e86\u7279\u5b9a\u7684\u6c7d\u8f66\u5b9e\u4f8b\u3002\u8fd9\u662f\u805a\u5408\u5173\u7cfb\u3002<\/li>\n<li><strong> \u623f\u5c4b\u4e0e\u623f\u95f4\uff1a<\/strong> \u623f\u95f4\u7531\u5176\u5899\u58c1\u548c\u5728\u7279\u5b9a\u623f\u5c4b\u5185\u7684\u4f4d\u7f6e\u6240\u5b9a\u4e49\u3002\u5982\u679c\u4e0d\u91cd\u65b0\u5efa\u9020\uff0c\u5c06\u623f\u95f4\u62c6\u4e0b\u5e76\u653e\u7f6e\u5230\u5176\u4ed6\u5730\u65b9\u662f\u6ca1\u6709\u610f\u4e49\u7684\u3002\u8fd9\u662f\u7ec4\u5408\u5173\u7cfb\u3002<\/li>\n<\/ul>\n<h2>4. \u5e76\u5217\u5bf9\u6bd4 \ud83d\udcca<\/h2>\n<p>\u4e3a\u4e86\u786e\u4fdd\u6e05\u6670\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u6bd4\u8f83\u4e09\u79cd\u5173\u7cfb\u7c7b\u578b\u3002\u6b64\u8868\u683c\u7a81\u51fa\u4e86\u751f\u547d\u5468\u671f\u3001\u89c6\u89c9\u8868\u793a\u548c\u4f7f\u7528\u573a\u666f\u4e2d\u7684\u5173\u952e\u5dee\u5f02\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u5173\u8054<\/th>\n<th>\u805a\u5408<\/th>\n<th>\u7ec4\u5408<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u5173\u7cfb\u7c7b\u578b<\/strong><\/td>\n<td>\u901a\u7528\u94fe\u63a5<\/td>\n<td>\u6574\u4f53-\u90e8\u5206\uff08\u5f31\uff09<\/td>\n<td>\u6574\u4f53-\u90e8\u5206\uff08\u5f3a\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u751f\u547d\u5468\u671f<\/strong><\/td>\n<td>\u72ec\u7acb<\/td>\n<td>\u72ec\u7acb<\/td>\n<td>\u4f9d\u8d56<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6240\u6709\u6743<\/strong><\/td>\n<td>\u65e0 \/ \u5171\u4eab<\/td>\n<td>\u5171\u4eab<\/td>\n<td>\u72ec\u5360<\/td>\n<\/tr>\n<tr>\n<td><strong>\u89c6\u89c9\u7b26\u53f7<\/strong><\/td>\n<td>\u76f4\u7ebf<\/td>\n<td>\u7a7a\u5fc3\u83f1\u5f62 (\u25ca)<\/td>\n<td>\u5b9e\u5fc3\u83f1\u5f62 (\u25c6)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u793a\u4f8b<\/strong><\/td>\n<td>\u5b66\u751f \u2013 \u8bfe\u7a0b<\/td>\n<td>\u7cfb \u2013 \u6559\u6388<\/td>\n<td>\u623f\u5c4b \u2013 \u623f\u95f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>5. \u5b9e\u73b0\u4e0e\u4ee3\u7801\u6620\u5c04 \ud83d\udcbb<\/h2>\n<p>\u867d\u7136\u56fe\u8868\u63d0\u4f9b\u4e86\u84dd\u56fe\uff0c\u4f46\u5b9e\u9645\u7684\u5b9e\u73b0\u53d1\u751f\u5728\u4ee3\u7801\u4e2d\u3002\u7406\u89e3\u8fd9\u4e9b\u5173\u7cfb\u5982\u4f55\u8f6c\u6362\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u4fdd\u6301\u5185\u5b58\u5b8c\u6574\u6027\u5e76\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n<h3>\u4ee3\u7801\u4e2d\u7684\u5173\u8054<\/h3>\n<p>\u5728\u5927\u591a\u6570\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u5173\u8054\u901a\u8fc7\u5f15\u7528\u53d8\u91cf\u5b9e\u73b0\u3002\u7236\u5bf9\u8c61\u6301\u6709\u6307\u5411\u5b50\u5bf9\u8c61\u7684\u6307\u9488\u3002<\/p>\n<ul>\n<li><strong>\u5b58\u50a8\uff1a<\/strong> \u5b50\u5bf9\u8c61\u7684\u5185\u5b58\u662f\u5355\u72ec\u5206\u914d\u7684\u3002<\/li>\n<li><strong>\u521d\u59cb\u5316\uff1a<\/strong> \u5b50\u5bf9\u8c61\u901a\u5e38\u901a\u8fc7\u6784\u9020\u51fd\u6570\u6216\u8bbe\u7f6e\u65b9\u6cd5\u4f20\u5165\u3002<\/li>\n<li><strong>\u9500\u6bc1\uff1a<\/strong> \u5220\u9664\u7236\u5bf9\u8c61\u4e0d\u4f1a\u81ea\u52a8\u5220\u9664\u5b50\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<h3>\u4ee3\u7801\u4e2d\u7684\u805a\u5408<\/h3>\n<p>\u805a\u5408\u901a\u5e38\u8868\u73b0\u4e3a\u4e00\u7ec4\u5f15\u7528\u7684\u96c6\u5408\u3002\u7236\u5bf9\u8c61\u7ba1\u7406\u5bb9\u5668\uff0c\u4f46\u4e0d\u7ba1\u7406\u5185\u5bb9\u3002<\/p>\n<ul>\n<li><strong>\u5b58\u50a8\uff1a<\/strong> \u7236\u5bf9\u8c61\u6301\u6709\u5b50\u5bf9\u8c61\u5f15\u7528\u7684\u5217\u8868\u6216\u6570\u7ec4\u3002<\/li>\n<li><strong>\u521d\u59cb\u5316\uff1a<\/strong> \u5b50\u5bf9\u8c61\u5728\u5176\u4ed6\u5730\u65b9\u521b\u5efa\uff0c\u5e76\u6dfb\u52a0\u5230\u7236\u5bf9\u8c61\u7684\u96c6\u5408\u4e2d\u3002<\/li>\n<li><strong>\u9500\u6bc1\uff1a<\/strong> \u7236\u5bf9\u8c61\u505c\u6b62\u5f15\u7528\u5b50\u5bf9\u8c61\uff0c\u4f46\u5b50\u5bf9\u8c61\u4f1a\u4fdd\u7559\u5728\u5185\u5b58\u4e2d\uff0c\u76f4\u5230\u5783\u573e\u56de\u6536\u6216\u88ab\u53e6\u4e00\u4e2a\u6240\u6709\u8005\u663e\u5f0f\u5220\u9664\u3002<\/li>\n<\/ul>\n<h3>\u4ee3\u7801\u4e2d\u7684\u7ec4\u5408<\/h3>\n<p>\u7ec4\u5408\u610f\u5473\u7740\u7236\u5bf9\u8c61\u521b\u5efa\u5e76\u9500\u6bc1\u5b50\u5bf9\u8c61\u3002\u8fd9\u5728\u5d4c\u5957\u5bf9\u8c61\u521b\u5efa\u4e2d\u5f88\u5e38\u89c1\u3002<\/p>\n<ul>\n<li><strong>\u5b58\u50a8\uff1a<\/strong> \u5b50\u5bf9\u8c61\u662f\u7236\u7c7b\u7684\u6210\u5458\u53d8\u91cf\u3002<\/li>\n<li><strong>\u521d\u59cb\u5316\uff1a<\/strong> \u5b50\u5bf9\u8c61\u5728\u7236\u5bf9\u8c61\u7684\u6784\u9020\u51fd\u6570\u5185\u90e8\u88ab\u5b9e\u4f8b\u5316\u3002<\/li>\n<li><strong>\u9500\u6bc1\uff1a<\/strong> \u5f53\u7236\u5bf9\u8c61\u8d85\u51fa\u4f5c\u7528\u57df\u65f6\uff0c\u5b50\u5bf9\u8c61\u88ab\u9500\u6bc1\u3002<\/li>\n<\/ul>\n<h2>6. \u5e38\u89c1\u9677\u9631\u4e0e\u8bef\u89e3 \u274c<\/h2>\n<p>\u5373\u4f7f\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u8bbe\u8ba1\u5e08\u5728\u5efa\u6a21\u8fd9\u4e9b\u5173\u7cfb\u65f6\u4e5f\u4f1a\u72af\u9519\u3002\u4ee5\u4e0b\u662f\u6700\u5e38\u89c1\u7684\u9519\u8bef\uff0c\u5e94\u907f\u514d\u3002<\/p>\n<h3>\u9677\u96311\uff1a\u8fc7\u5ea6\u4f7f\u7528\u7ec4\u5408<\/h3>\n<p>\u4eba\u4eec\u5f88\u5bb9\u6613\u4e3a\u4e86\u5f3a\u5236\u4e25\u683c\u7684\u8fb9\u754c\u800c\u5bf9\u6240\u6709\u4e8b\u7269\u90fd\u4f7f\u7528\u7ec4\u5408\u3002\u7136\u800c\uff0c\u8fd9\u4f1a\u4f7f\u7cfb\u7edf\u53d8\u5f97\u50f5\u5316\u3002\u5982\u679c\u4e00\u4e2a\u201c\u623f\u95f4\u201d\u7531\u4e00\u4e2a\u201c\u623f\u5c4b\u201d\u7ec4\u6210\uff0c\u90a3\u4e48\u5728\u4e0d\u8fdb\u884c\u590d\u6742\u91cd\u6784\u7684\u60c5\u51b5\u4e0b\uff0c\u4f60\u65e0\u6cd5\u8f7b\u6613\u5c06\u8be5\u623f\u95f4\u79fb\u5230\u53e6\u4e00\u680b\u623f\u5c4b\u4e2d\u3002\u53ea\u6709\u5728\u751f\u547d\u5468\u671f\u4f9d\u8d56\u662f\u7edd\u5bf9\u7684\u60c5\u51b5\u4e0b\u624d\u4f7f\u7528\u7ec4\u5408\u3002<\/p>\n<h3>\u9677\u96312\uff1a\u5ffd\u7565\u53ef\u5bfc\u822a\u6027<\/h3>\n<p>\u4e24\u4e2a\u7c7b\u76f8\u5173\uff0c\u5e76\u4e0d\u610f\u5473\u7740\u5b83\u4eec\u90fd\u9700\u8981\u77e5\u9053\u5bf9\u65b9\u3002\u5728\u5173\u8054\u5173\u7cfb\u4e2d\uff0c\u5e94\u8003\u8651\u7c7bB\u662f\u5426\u9700\u8981\u5f15\u7528\u7c7bA\u3002\u5982\u679c\u4e0d\u9700\u8981\uff0c\u5219\u7ed8\u5236\u5355\u5411\u7bad\u5934\u3002\u8fd9\u53ef\u4ee5\u964d\u4f4e\u8026\u5408\u5ea6\uff0c\u4f7f\u6d4b\u8bd5\u66f4\u7b80\u5355\u3002<\/p>\n<h3>\u9677\u96313\uff1a\u6df7\u6dc6\u805a\u5408\u4e0e\u7ec4\u5408<\/h3>\n<p>\u8fd9\u662f\u6700\u5e38\u89c1\u7684\u6df7\u6dc6\u6765\u6e90\u3002\u95ee\u95ee\u81ea\u5df1\uff1a\u201c\u5982\u679c\u7236\u5bf9\u8c61\u6b7b\u4ea1\uff0c\u5b50\u5bf9\u8c61\u662f\u5426\u4e5f\u6b7b\u4ea1\uff1f\u201d\u5982\u679c\u7b54\u6848\u662f\u201c\u5426\u201d\uff0c\u5219\u662f\u805a\u5408\uff1b\u5982\u679c\u7b54\u6848\u662f\u201c\u662f\u201d\uff0c\u5219\u662f\u7ec4\u5408\u3002\u4e0d\u8981\u4ec5\u4f9d\u8d56\u56fe\u5f62\u5f62\u72b6\uff0c\u800c\u5e94\u4f9d\u8d56\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n<h3>\u9677\u96314\uff1a\u5faa\u73af\u4f9d\u8d56<\/h3>\n<p>\u5728\u5b9a\u4e49\u5173\u8054\u5173\u7cfb\u65f6\uff0c\u786e\u4fdd\u4e0d\u4f1a\u521b\u5efa\u5bfc\u81f4\u7f16\u8bd1\u5931\u8d25\u6216\u6808\u6ea2\u51fa\u7684\u5faa\u73af\u4f9d\u8d56\u3002\u4f8b\u5982\uff0c\u7c7bA\u5f15\u7528\u7c7bB\uff0c\u800c\u7c7bB\u53c8\u5f15\u7528\u7c7bA\u3002\u867d\u7136\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u662f\u5408\u6cd5\u7684\uff0c\u4f46\u8fd9\u4f1a\u4f7f\u5e8f\u5217\u5316\u548c\u6570\u636e\u5e93\u5916\u952e\u53d8\u5f97\u590d\u6742\u3002<\/p>\n<h2>7. \u73b0\u5b9e\u573a\u666f\u4e0e\u91cd\u6784 \ud83c\udfe2<\/h2>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u8fd9\u4e9b\u6982\u5ff5\u5982\u4f55\u5e94\u7528\u4e8e\u590d\u6742\u7cfb\u7edf\u3002\u6211\u4eec\u5c06\u5206\u6790\u4e00\u4e2a\u94f6\u884c\u7cfb\u7edf\u548c\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u5e73\u53f0\u3002<\/p>\n<h3>\u94f6\u884c\u7cfb\u7edf \ud83c\udfe6<\/h3>\n<p>\u8003\u8651\u4e00\u4e2a\u94f6\u884c\u8d26\u6237\u7cfb\u7edf\u3002<\/p>\n<ul>\n<li><strong>\u5ba2\u6237\u4e0e\u8d26\u6237\uff08\u805a\u5408\uff09\uff1a<\/strong> \u5ba2\u6237\u62e5\u6709\u8d26\u6237\u3002\u5982\u679c\u5ba2\u6237\u5173\u95ed\u5176\u8d26\u6237\uff0c\u8d26\u6237\u53ef\u80fd\u88ab\u5f52\u6863\u6216\u8f6c\u79fb\uff0c\u4f46\u8d26\u6237\u8bb0\u5f55\u672c\u8eab\u53ef\u80fd\u4ecd\u4f1a\u4fdd\u7559\u4ee5\u4f9b\u5ba1\u8ba1\u3002\u8fd9\u901a\u5e38\u662f\u805a\u5408\u5173\u7cfb\u3002<\/li>\n<li><strong>\u4ea4\u6613\u4e0e\u8d26\u6237\uff08\u7ec4\u5408\uff09\uff1a<\/strong> 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\u5982\u679c\u4f60\u5728\u201c\u623f\u95f4-\u623f\u5c4b\u201d\u4e2d\u4f7f\u7528\u7ec4\u5408\uff0c\u5c31\u4e0d\u8981\u5728\u540c\u4e00\u5f20\u56fe\u4e2d\u5bf9\u201c\u7a97\u6237-\u5899\u201d\u4f7f\u7528\u5173\u8054\uff0c\u9664\u975e\u6709\u660e\u786e\u7684\u7406\u7531\u3002\u4fdd\u6301\u4e00\u81f4\u6709\u52a9\u4e8e\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002<\/li>\n<li><strong>\u8bb0\u5f55\u591a\u91cd\u6027\uff1a<\/strong> \u59cb\u7ec8\u660e\u786e\u6307\u5b9a\u57fa\u6570\uff081\uff0c0..1\uff0c1..*\uff09\u3002\u6ca1\u6709\u591a\u91cd\u6027\u7684\u5173\u7cfb\u662f\u6a21\u7cca\u7684\u3002<\/li>\n<li><strong>\u547d\u540d\u4e24\u7aef\uff1a<\/strong> \u6807\u6ce8\u5173\u7cfb\u7ebf\u7684\u4e24\u7aef\u3002\u201c\u8ba2\u5355\u201d\u62e5\u6709\u201c\u9879\u76ee\u201d\u6bd4\u4ec5\u5c06\u201c\u8ba2\u5355\u201d\u8fde\u63a5\u5230\u201c\u9879\u76ee\u201d\u66f4\u6e05\u6670\u3002<\/li>\n<li><strong>\u5ba1\u67e5\u751f\u547d\u5468\u671f\uff1a<\/strong> \u5b9a\u671f\u5ba1\u67e5\u4f60\u7684\u56fe\u8868\u3002\u968f\u7740\u9700\u6c42\u53d8\u5316\uff0c\u7ec4\u5408\u53ef\u80fd\u53d8\u4e3a\u805a\u5408\u3002\u8bf7\u66f4\u65b0\u6a21\u578b\u4ee5\u53cd\u6620\u5b9e\u9645\u60c5\u51b5\u3002<\/li>\n<\/ul>\n<h2>9. \u6570\u636e\u5e93\u5f71\u54cd \ud83d\uddc4\ufe0f<\/h2>\n<p>\u7c7b\u56fe\u901a\u5e38\u9a71\u52a8\u6570\u636e\u5e93\u6a21\u5f0f\u8bbe\u8ba1\u3002\u7406\u89e3\u8fd9\u4e9b\u5173\u7cfb\u6709\u52a9\u4e8e\u51b3\u5b9a\u5916\u952e\u548c\u89c4\u8303\u5316\u7b56\u7565\u3002<\/p>\n<ul>\n<li><strong>\u5173\u8054\uff1a<\/strong> \u901a\u5e38\u4f1a\u5728\u6570\u636e\u5e93\u8868\u4e2d\u751f\u6210\u5916\u952e\uff0c\u5982\u679c\u5173\u7cfb\u662f\u591a\u5bf9\u591a\uff0c\u5219\u4f1a\u751f\u6210\u4e00\u4e2a\u8fde\u63a5\u8868\u3002<\/li>\n<li><strong>\u805a\u5408\uff1a<\/strong> \u7c7b\u4f3c\u4e8e\u5173\u8054\u3002\u5916\u952e\u5b58\u5728\u4e8e\u201c\u90e8\u5206\u201d\u8868\u4e2d\uff0c\u6307\u5411\u201c\u6574\u4f53\u201d\u8868\u3002<\/li>\n<li><strong>\u7ec4\u5408\uff1a<\/strong> \u901a\u5e38\u4f1a\u4ea7\u751f\u4e00\u4e2a\u5916\u952e\uff0c\u4f46\u5e26\u6709\u7279\u5b9a\u7ea6\u675f\u3002\u4f8b\u5982\uff0c\u201cON DELETE CASCADE\u201d\u89c4\u5219\u3002\u5982\u679c\u7236\u884c\u88ab\u5220\u9664\uff0c\u6570\u636e\u5e93\u4f1a\u81ea\u52a8\u5220\u9664\u5b50\u884c\u3002<\/li>\n<\/ul>\n<p> \u7406\u89e3\u8fd9\u4e9b\u533a\u522b\u53ef\u4ee5\u9632\u6b62\u6570\u636e\u5b8c\u6574\u6027\u95ee\u9898\u3002\u5982\u679c\u4f60\u5728\u4ee3\u7801\u4e2d\u5c06\u5173\u7cfb\u5efa\u6a21\u4e3a\u7ec4\u5408\uff0c\u4f46\u5728\u6570\u636e\u5e93\u4e2d\u5b9e\u73b0\u4e3a\u7b80\u5355\u7684\u5173\u8054\uff0c\u5c31\u53ef\u80fd\u5bfc\u81f4\u5b64\u7acb\u8bb0\u5f55\u3002<\/p>\n<h2>10. \u6d4b\u8bd5\u4e0e\u9a8c\u8bc1 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