{"id":345,"date":"2017-08-05T16:29:39","date_gmt":"2017-08-05T08:29:39","guid":{"rendered":"http:\/\/zouyang1230.com\/blog\/?p=345"},"modified":"2020-10-28T22:51:53","modified_gmt":"2020-10-28T14:51:53","slug":"%e3%80%8a%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e3%80%8b%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"http:\/\/www.imzouyang.com\/blog\/archives\/345.html","title":{"rendered":"\u300a\u8bbe\u8ba1\u6a21\u5f0f\u300b\u968f\u8bb0"},"content":{"rendered":"<p>1\u3001\u5f15\u8a00\uff1a<br \/>\n\u66fe\u7ecf\u591a\u5c11\u6b21\u6709\u8fc7\u8fd9\u79cd\u611f\u89c9\u2014\u5df2\u7ecf\u89e3\u51b3\u8fc7\u4e86\u4e00\u4e2a\u95ee\u9898\u4f46\u5c31\u662f\u4e0d\u80fd\u786e\u5207\u77e5\u9053\u662f\u5728\u4ec0\u4e48\u5730\u65b9\u6216\u600e\u4e48\u89e3\u51b3\u7684\uff1f\u5982\u679c\u80fd\u8bb0\u8d77\u4ee5\u524d\u95ee\u9898\u7684\u7ec6\u8282\u548c\u600e\u4e48\u89e3\u51b3\u5b83\u7684\uff0c\u5c31\u53ef\u4ee5\u590d\u7528\u4ee5\u524d\u7684\u7ecf\u9a8c\u800c\u4e0d\u9700\u8981\u91cd\u65b0\u53d1\u73b0\u5b83\u3002\u7136\u800c\uff0c\u6211\u4eec\u5e76\u6ca1\u6709\u5f88\u597d\u8bb0\u5f55\u4e0b\u53ef\u4f9b\u4ed6\u4eba\u4f7f\u7528\u7684\u8f6f\u4ef6\u8bbe\u8ba1\u7ecf\u9a8c\u3002<br \/>\n\u5c0f\u8bf4\u5bb6\u548c\u5267\u672c\u4f5c\u5bb6\u5f88\u5c11\u4ece\u5934\u5f00\u59cb\u8bbe\u8ba1\u5267\u60c5\u3002\u4ed6\u4eec\u603b\u662f\u6cbf\u88ad\u4e00\u4e9b\u4e1a\u5df2\u5b58\u5728\u7684\u6a21\u5f0f\uff0c\u50cf\u201c\u60b2\u5267\u6027\u82f1\u96c4\u201d\u6a21\u5f0f (\u300a\u9ea6\u514b\u767d\u300b\u3001\u300a\u54c8\u59c6\u96f7\u7279\u300b\u7b49 )\u6216\u201c\u6d6a\u6f2b\u5c0f\u8bf4\u201d\u6a21\u5f0f(\u5b58\u5728\u7740\u65e0\u6570\u6d6a\u6f2b\u5c0f\u8bf4 )\u3002\u540c\u6837\u5730\uff0c\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u5458\u4e5f\u6cbf\u88ad\u4e00\u4e9b\u6a21\u5f0f\uff0c\u50cf\u201c\u7528\u5bf9\u8c61\u8868\u793a\u72b6\u6001\u201d\u548c\u201c\u4fee\u9970\u5bf9\u8c61\u4ee5\u4fbf\u4e8e\u4f60\u80fd\u5bb9\u6613\u5730\u6dfb\u52a0 \/\u5220\u9664\u5c5e\u6027\u201d\u7b49\u3002\u4e00\u65e6\u61c2\u5f97\u4e86\u6a21\u5f0f\uff0c\u8bb8\u591a\u8bbe\u8ba1\u51b3\u7b56\u81ea\u7136\u800c\u7136\u5c31\u4ea7\u751f\u4e86\u3002<\/p>\n<p>2\u3001\u4ec0\u4e48\u662f\u8bbe\u8ba1\u6a21\u5f0f<\/p>\n<blockquote><p>\u201c\u6bcf\u4e00\u4e2a\u6a21\u5f0f\u63cf\u8ff0\u4e86\u4e00\u4e2a\u5728\u6211\u4eec\u5468\u56f4\u4e0d\u65ad\u91cd\u590d\u53d1\u751f\u7684\u95ee\u9898\uff0c\u4ee5\u53ca\u8be5\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u7684\u6838\u5fc3\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u80fd\u4e00\u6b21\u53c8\u4e00\u6b21\u5730\u4f7f\u7528\u8be5\u65b9\u6848\u800c\u4e0d\u5fc5\u505a\u91cd\u590d\u52b3\u52a8\u201d from Christopher Alexander<\/p><\/blockquote>\n<p><strong>wikipedia<\/strong>\u4e5f\u7ed9\u51fa\u4e86\u89e3\u91ca\uff1a<\/p>\n<blockquote><p>\u8bbe\u8ba1\u6a21\u5f0f\uff08design pattern\uff09\u662f\u5bf9\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u666e\u904d\u5b58\u5728\uff08\u53cd\u590d\u51fa\u73b0\uff09\u7684\u5404\u79cd\u95ee\u9898\uff0c\u6240\u63d0\u51fa\u7684\u89e3\u51b3\u65b9\u6848\u3002\u8bbe\u8ba1\u6a21\u5f0f\u5e76\u4e0d\u76f4\u63a5\u7528\u6765\u5b8c\u6210\u4ee3\u7801\u7684\u7f16\u5199\uff0c\u800c\u662f\u63cf\u8ff0\u5728\u5404\u79cd\u4e0d\u540c\u60c5\u51b5\u4e0b\uff0c\u8981\u600e\u4e48\u89e3\u51b3\u95ee\u9898\u7684\u4e00\u79cd\u65b9\u6848\u3002<\/p><\/blockquote>\n<p>\u603b\u7ed3\u4e00\u4e0b\uff1a\u7b80\u8a00\u4e4b\uff0c\u4e00\u79cd\u95ee\u9898\u89e3\u51b3\u65b9\u6848\u7684\u79f0\u547c\u3002\u66f4\u76f4\u63a5\u4e86\u5f53\u7684\u6838\u5fc3\u601d\u60f3\uff0c\u5c31\u662f\uff1a<strong>\u627e\u51fa\u7a0b\u5e8f\u4e2d\u53d8\u5316\u7684\u5730\u65b9\uff0c\u7136\u540e\u628a\u53d8\u5316\u5c01\u88c5\u8d77\u6765<\/strong>\u3002\uff08\u672c\u4e66\u5927\u591a\u6570\u5185\u5bb9\u90fd\u653e\u5728\u4e86\u5982\u4f55\u5c01\u88c5\u53d8\u5316\u4e0a\u9762\uff0c\u8fd9\u8ddf\u7f16\u5199\u53ef\u590d\u7528\u7684\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u662f\u76f8\u7b26\u7684\uff0c\u5f53\u6211\u4eec\u628a\u53d8\u5316\u7684\u90e8\u5206\u90fd\u5c01\u88c5\u597d\u540e\uff0c\u5269\u4e0b\u7684\u5c31\u662f\u53ef\u590d\u7528\u7684\u7a33\u5b9a\u90e8\u5206\u4e86\uff09<\/p>\n<p>3\u3001\u6a21\u5f0f\u5206\u7c7b\uff1a<\/p>\n<ul>\n<li>1\uff09\u6839\u636e\u76ee\u7684\u6765\u5212\u5206\uff0c\u5373\u6a21\u5f0f\u662f\u7528\u6765\u5b8c\u6210\u4ec0\u4e48\u5de5\u4f5c\u7684\u3002\u6a21\u5f0f\u4f9d\u636e\u5176\u76ee\u7684\u53ef\u5206\u4e3a <strong>\u521b\u5efa\u578b<\/strong>\u3001 <strong>\u7ed3\u6784\u578b<\/strong>\u3001\u6216 <strong>\u884c\u4e3a\u578b<\/strong>\u4e09\u79cd\u3002\u521b\u5efa\u578b\u6a21\u5f0f\u4e0e\u5bf9\u8c61\u7684\u521b\u5efa\u6709\u5173\uff1b\u7ed3\u6784\u578b\u6a21\u5f0f\u5904\u7406\u7c7b\u6216\u5bf9\u8c61\u7684\u7ec4\u5408\uff1b\u884c\u4e3a\u578b\u6a21\u5f0f\u5bf9\u7c7b\u6216\u5bf9\u8c61\u600e\u6837\u4ea4\u4e92\u548c\u600e\u6837\u5206\u914d\u804c\u8d23\u8fdb\u884c\u63cf\u8ff0\u3002<\/li>\n<li>2\uff09\u6839\u636e\u8303\u56f4\u6765\u5212\u5206\uff0c\u5373\u6a21\u5f0f\u662f\u7528\u4e8e<strong>\u7c7b<\/strong>\u8fd8\u662f\u7528\u4e8e<strong>\u5bf9\u8c61<\/strong>\u7684\u3002\u7c7b\u6a21\u5f0f\u5904\u7406\u7c7b\u548c\u5b50\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u8fd9\u4e9b\u5173\u7cfb\u901a\u8fc7\u7ee7\u627f\u5efa\u7acb\uff0c\u662f\u9759\u6001\u7684\uff0c\u5728\u7f16\u8bd1\u65f6\u523b\u4fbf\u786e\u5b9a\u4e0b\u6765\u4e86\u3002\u5bf9\u8c61\u6a21\u5f0f\u5904\u7406\u5bf9\u8c61\u95f4\u7684\u5173\u7cfb\uff0c\u8fd9\u4e9b\u5173\u7cfb\u5728\u8fd0\u884c\u65f6\u523b\u662f\u53ef\u4ee5\u53d8\u5316\u7684\uff0c\u66f4\u5177\u52a8\u6001\u6027\u3002<\/li>\n<\/ul>\n<p>\u672c\u4e66\u6d89\u53ca\u6a21\u5f0f\uff0c\u6309\u7167\u4e0a\u9762\u7684\u5206\u7c7b\u5206\u4e3a\u4e86\uff1a<br \/>\n<img loading=\"lazy\" class=\"alignnone size-medium wp-image-346\" src=\"http:\/\/47.108.172.62\/blog\/wp-content\/uploads\/2017\/08\/sjms-300x126.png\" alt=\"\" width=\"600\" height=\"252\" srcset=\"http:\/\/www.imzouyang.com\/blog\/wp-content\/uploads\/2017\/08\/sjms-300x126.png 300w, http:\/\/www.imzouyang.com\/blog\/wp-content\/uploads\/2017\/08\/sjms.png 604w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\n\u8bbe\u8ba1\u6a21\u5f0f\u4f7f\u4eba\u4eec\u53ef\u4ee5\u66f4\u52a0\u7b80\u5355\u65b9\u4fbf\u5730\u590d\u7528\u6210\u529f\u7684\u8bbe\u8ba1\u548c\u4f53\u7cfb\u7ed3\u6784\u3002\uff08\u5177\u4f53\u8bbe\u8ba1\u5e94\u7528\u8be6\u89c1\u5404\u7ae0\u8282\uff0c\u4f60\u5c06\u770b\u5230\u7f16\u7a0b\u4e2d\u5e38\u4f7f\u7528\u7684\u5404\u7c7b\u6a21\u5f0f\uff0c\u6bd4\u5982ADAPTER\u9002\u914d\u5668\u3001ITERATOR\u8fed\u4ee3\u5668\u7b49\u7b49\uff09<\/p>\n<p>4\u3001\u672c\u4e66\u6d89\u53ca\u6982\u5ff5\u6c47\u603b\uff1a<\/p>\n<ul>\n<li>\u9762\u5411\u5bf9\u8c61\u7a0b\u5e8f\u7ec4\u6210\uff1a\u7531\u5bf9\u8c61\u7ec4\u6210\u3002<\/li>\n<li>\u5bf9\u8c61\uff1a\u5305\u62ec\u6570\u636e\u548c\u5bf9\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u7684\u8fc7\u7a0b\uff0c\u8fc7\u7a0b\u901a\u5e38\u79f0\u4e3a\u65b9\u6cd5\u6216\u64cd\u4f5c\u3002\u4e5f\u5c31\u662f\u4e00\u4e2a\u5c01\u88c5\u4e86\u6570\u636e\u53ca\u4f5c\u7528\u4e8e\u8fd9\u4e9b\u6570\u636e\u7684\u64cd\u4f5c\u7684\u8fd0\u884c\u5b9e\u4f53\u3002<\/li>\n<li>\u578b\u6784\uff1a\u5bf9\u8c61\u58f0\u660e\u7684\u6bcf\u4e00\u4e2a\u64cd\u4f5c(\u65b9\u6cd5)\u6307\u5b9a\u540d\u79f0\u3001\u4f5c\u4e3a\u53c2\u6570\u7684\u5bf9\u8c61\u548c\u8fd4\u56de\u503c\u3002<\/li>\n<li>\u63a5\u53e3\uff1a\u5bf9\u8c61\u64cd\u4f5c\u6240\u5b9a\u4e49\u7684\u6240\u6709\u64cd\u4f5c\u578b\u6784\u7684\u96c6\u5408\u88ab\u79f0\u4e3a\u8be5\u5bf9\u8c61\u7684\u63a5\u53e3\u3002<\/li>\n<li>\u7c7b\u578b\uff1a \u662f\u7528\u6765\u6807\u8bc6\u7279\u5b9a\u63a5\u53e3\u7684\u4e00\u4e2a\u540d\u5b57\u3002\u5982\u679c\u4e00\u4e2a\u5bf9\u8c61\u63a5\u53d7\u201cWi n d o w\u201d\u63a5\u53e3\u6240\u5b9a\u4e49\u7684\u6240\u6709\u64cd\u4f5c\u8bf7\u6c42\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u8bf4\u8be5\u5bf9\u8c61\u5177\u6709\u201cWi n d o w\u201d\u7c7b\u578b\u3002<\/li>\n<li>\u5b50\u7c7b\u578b\u4e0e\u8d85\u7c7b\u578b\uff1a<br \/>\n\u63a5\u53e3\u53ef\u4ee5\u5305\u542b\u5176\u4ed6\u63a5\u53e3\u4f5c\u4e3a\u5b50\u96c6\u3002\u5f53\u4e00\u4e2a\u7c7b\u578b\u7684\u63a5\u53e3\u5305\u542b\u53e6\u4e00\u4e2a\u7c7b\u578b\u7684\u63a5\u53e3\u65f6\uff0c\u6211\u4eec\u5c31\u8bf4\u5b83\u662f\u53e6\u4e00\u4e2a\u7c7b\u578b\u7684\u5b50\u7c7b\u578b(subtype)\uff0c\u53e6\u4e00\u4e2a\u7c7b\u578b\u79f0\u4e4b\u4e3a\u5b83\u7684\u8d85\u7c7b\u578b( supertype )<\/li>\n<li>\u52a8\u6001\u7ed1\u5b9a(dynamic binding)\uff1a<br \/>\n\u5f53\u7ed9\u5bf9\u8c61\u53d1\u9001\u8bf7\u6c42\u65f6\uff0c\u6240\u5f15\u8d77\u7684\u5177\u4f53\u64cd\u4f5c\u65e2\u4e0e\u8bf7\u6c42\u672c\u8eab\u6709\u5173\u53c8\u4e0e\u63a5\u53d7\u5bf9\u8c61\u6709\u5173\u3002\u652f\u6301\u76f8\u540c\u8bf7\u6c42\u7684\u4e0d\u540c\u5bf9\u8c61\u53ef\u80fd\u5bf9\u8bf7\u6c42\u6fc0\u53d1\u7684\u64cd\u4f5c\u6709\u4e0d\u540c\u7684\u5b9e\u73b0\u3002\u53d1\u9001\u7ed9\u5bf9\u8c61\u7684\u8bf7\u6c42\u548c\u5b83\u7684\u76f8\u5e94\u64cd\u4f5c\u5728\u8fd0\u884c\u65f6\u523b\u7684\u8fde\u63a5\u5c31\u79f0\u4e4b\u4e3a\u52a8\u6001\u7ed1\u5b9a(dynamic binding)<\/li>\n<li>\u5bf9\u8c61\u7684\u5b9e\u73b0\u662f\u7531\u5b83\u7684\u7c7b\u51b3\u5b9a\u7684\uff0c\u7c7b\u6307\u5b9a\u4e86\u5bf9\u8c61\u7684\u5185\u90e8\u6570\u636e\u548c\u8868\u793a\uff0c\u4e5f\u5b9a\u4e49\u4e86\u5bf9\u8c61\u6240\u80fd\u5b8c\u6210\u7684\u64cd\u4f5c\uff1b<\/li>\n<li>\u5bf9\u8c61\u901a\u8fc7\u5b9e\u4f8b\u5316\u7c7b\u6765\u521b\u5efa\uff0c\u6b64\u5bf9\u8c61\u88ab\u79f0\u4e3a\u8be5\u7c7b\u7684\u5b9e\u4f8b\u3002\u5f53\u5b9e\u4f8b\u5316\u7c7b\u65f6\uff0c\u8981\u7ed9\u5bf9\u8c61\u7684\u5185\u90e8\u6570\u636e(\u7531\u5b9e\u4f8b\u53d8\u91cf \u7ec4\u6210)\u5206\u914d\u5b58\u50a8\u7a7a\u95f4\uff0c\u5e76\u5c06\u64cd\u4f5c\u4e0e\u8fd9\u4e9b\u6570\u636e\u8054\u7cfb\u8d77\u6765\u3002\u5bf9\u8c61\u7684\u8bb8\u591a\u7c7b\u4f3c\u5b9e\u4f8b\u662f\u7531\u5b9e\u4f8b\u5316\u540c\u4e00\u4e2a\u7c7b\u6765\u521b\u5efa\u7684\u3002<\/li>\n<li>\u62bd\u8c61\u7c7b(abstract class)\uff1a\u4e3b\u8981\u76ee\u7684\u662f\u4e3a\u5b83\u7684\u5b50\u7c7b\u5b9a\u4e49\u516c\u5171\u63a5\u53e3\u3002\u4e00\u4e2a\u62bd\u8c61\u7c7b\u5c06\u628a\u5b83\u7684\u90e8\u5206\u6216\u5168\u90e8\u64cd\u4f5c\u7684\u5b9e\u73b0\u5ef6\u8fdf\u5230\u5b50\u7c7b\u4e2d\uff0c\u56e0\u6b64\uff0c\u4e00\u4e2a\u62bd\u8c61\u7c7b\u4e0d\u80fd\u88ab\u5b9e\u4f8b\u5316\u3002\u5728\u62bd\u8c61\u7c7b\u4e2d\u5b9a\u4e49\u5374\u6ca1\u6709\u5b9e\u73b0\u7684\u64cd\u4f5c\u88ab\u79f0\u4e3a\u62bd\u8c61\u64cd\u4f5c(abstract operation)\u3002\u975e\u62bd\u8c61\u7c7b\u79f0\u4e3a\u5177\u4f53\u7c7b(concrete class)\u3002<\/li>\n<li>\u6846\u67b6\uff08framework\uff09 \uff1a\u4e00\u7ec4\u76f8\u4e92\u534f\u4f5c\u7684\u7c7b\uff0c\u5f62\u6210\u67d0\u7c7b\u8f6f\u4ef6\u7684\u4e00\u4e2a\u53ef\u590d\u7528\u8bbe\u8ba1\u3002\u6846\u67b6\u5c06\u8bbe\u8ba1\u5212\u5206\u4e3a\u4e00\u7ec4\u62bd\u8c61\u7c7b\uff0c\u5e76\u5b9a\u4e49\u5b83\u4eec\u5404\u81ea\u7684\u8d23\u4efb\u53ca\u76f8\u4e92\u4e4b\u95f4\u7684\u5408\u4f5c\uff0c\u4ee5\u6b64\u6765\u6307\u5bfc\u4f53\u7cfb\u7ed3\u6784\u7ea7\u7684\u8bbe\u8ba1\u3002\u5f00\u53d1\u8005\u901a\u8fc7\u7ee7\u627f\u6846\u67b6\u4e2d\u7684\u7c7b\u548c\u7ec4\u5408\u5176\u5b9e\u4f8b\u6765\u5b9a\u5236\u8be5\u6846\u67b6\u4ee5\u751f\u6210\u7279\u5b9a\u7684\u5e94\u7528\u3002<\/li>\n<li>\u62bd\u8c61\u8026\u5408\uff1a\u82e5\u7c7bA\u7ef4\u62a4\u4e00\u4e2a\u6307\u5411\u62bd\u8c61\u7c7b B\u7684\u5f15\u7528\uff0c\u5219\u79f0\u7c7bA\u62bd\u8c61\u8026\u5408\u4e8eB\u3002\u6211\u4eec\u4e4b\u6240\u4ee5\u79f0\u4e4b\u4e3a\u62bd\u8c61\u8026\u5408\u4e43\u662f\u56e0\u4e3a A\u6307\u5411\u7684\u662f\u4e00\u4e2a\u5bf9\u8c61\u7684\u7c7b\u578b \uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u5177\u4f53\u5bf9\u8c61\u3002<\/li>\n<li>\u9ed1\u7bb1\u590d\u7528\uff08black-box reuse\uff09 \u4e00\u79cd\u57fa\u4e8e\u5bf9\u8c61\u7ec4\u5408\u7684\u590d\u7528\u65b9\u5f0f\u3002\u8fd9\u4e9b\u88ab\u7ec4\u5408\u7684\u5bf9\u8c61\u4e4b\u95f4\u5e76\u4e0d\u5f00\u653e\u5404\u81ea\u7684\u5185\u90e8\u7ec6\u8282\uff0c\u56e0\u6b64\u88ab\u6bd4\u4f5c\u201c\u9ed1\u7bb1\u201d\u3002<\/li>\n<li>\u767d\u7bb1\u590d\u7528\uff08white-box reuse\uff09 \u4e00\u79cd\u57fa\u4e8e\u7c7b\u7ee7\u627f\u7684\u590d\u7528\u3002\u5b50\u7c7b\u590d\u7528\u7236\u7c7b\u7684\u63a5\u53e3\u548c\u5b9e\u73b0\uff0c\u4f46\u5b83\u4e5f\u53ef\u80fd\u5b58\u53d6\u5176\u7236\u7c7b\u7684\u5176\u4ed6\u79c1\u6709\u90e8\u5206\u3002<\/li>\n<li>\u59d4\u6258\uff1a\u4e00\u79cd\u5b9e\u73b0\u673a\u5236\uff0c\u5373\u4e00\u4e2a\u5bf9\u8c61\u628a\u53d1\u7ed9\u5b83\u7684\u8bf7\u6c42\u8f6c\u53d1 \/\u59d4\u6258\u7ed9\u53e6\u4e00\u4e2a\u5bf9\u8c61\u3002\u800c\u53d7\u6258\u5bf9\u8c61\u5c06\u4ee3\u8868\u539f\u5bf9\u8c61\u6267\u884c\u8bf7\u6c42\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u7ee7\u627f\uff1a\u4e24\u4e2a\u5b9e\u4f53\u95f4\u7684\u4e00\u79cd\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u5b9e\u4f53\u4e43\u662f\u57fa\u4e8e\u53e6\u4e00\u5b9e\u4f53\u800c\u5b9a\u4e49\u7684\u3002<\/li>\n<li>\u63a5\u53e3\uff1a\u4e00\u4e2a\u5bf9\u8c61\u6240\u6709\u64cd\u4f5c\u5b9a\u4e49\u7684\u578b\u6784\u7684\u96c6\u5408\u3002\u63a5\u53e3\u523b\u5212\u4e86\u4e00\u4e2a\u5bf9\u8c61\u53ef\u54cd\u5e94\u7684\u8bf7\u6c42\u7684\u96c6\u5408\u3002<\/li>\n<li>\u5bf9\u8c61\u5f15\u7528\uff1a\u7528\u4e8e\u6807\u8bc6\u53e6\u4e00\u5bf9\u8c61\u7684\u4e00\u4e2a\u503c\u3002<\/li>\n<li>\u5b50\u7c7b\uff1a\u7ee7\u627f\u4e86\u53e6\u4e00\u4e2a\u7c7b\u7684\u7c7b\u3002\u5728 C + +\u4e2d\uff0c\u5b50\u7c7b\u53c8\u79f0\u4e3a\u6d3e\u751f\u7c7b\uff08derived class\uff09\u3002<\/li>\n<li>\u7c7b\u578b\uff1a\u4e00\u4e2a\u7279\u5b9a\u63a5\u53e3\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n<p>5\u3001\u611f\u60f3\uff1a\u672c\u4e66\u5c5e\u4e8e\u629b\u7816\u5f15\u7389\u90a3\u79cd\u7c7b\u578b\uff0c\u6709\u5174\u8da3\u53ef\u4ee5\u518d\u9488\u5bf9\u611f\u5174\u8da3\u7684\u70b9\uff0c\u53bb\u6df1\u5165\u4e86\u89e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u5f15\u8a00\uff1a \u66fe\u7ecf\u591a\u5c11\u6b21\u6709\u8fc7\u8fd9\u79cd\u611f\u89c9\u2014\u5df2\u7ecf\u89e3\u51b3\u8fc7\u4e86\u4e00\u4e2a\u95ee\u9898\u4f46\u5c31\u662f\u4e0d\u80fd\u786e\u5207\u77e5\u9053\u662f\u5728\u4ec0\u4e48\u5730\u65b9\u6216\u600e\u4e48\u89e3\u51b3\u7684\uff1f\u5982\u679c\u80fd\u8bb0\u8d77 &hellip; <a href=\"http:\/\/www.imzouyang.com\/blog\/archives\/345.html\" class=\"read-more\">\u7ee7\u7eed\u9605\u8bfb <span class=\"screen-reader-text sr-only\">\u300a\u8bbe\u8ba1\u6a21\u5f0f\u300b\u968f\u8bb0<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/posts\/345"}],"collection":[{"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/comments?post=345"}],"version-history":[{"count":1,"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/posts\/345\/revisions"}],"predecessor-version":[{"id":1942,"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/posts\/345\/revisions\/1942"}],"wp:attachment":[{"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/media?parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/categories?post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.imzouyang.com\/blog\/wp-json\/wp\/v2\/tags?post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}