{"id":822,"date":"2020-05-11T12:25:50","date_gmt":"2020-05-11T04:25:50","guid":{"rendered":"http:\/\/www.dongchangbin.net.cn\/?p=822"},"modified":"2020-05-11T12:25:53","modified_gmt":"2020-05-11T04:25:53","slug":"%e8%bd%af%e4%bb%b6%e8%ae%be%e8%ae%a1%e5%85%ad%e5%a4%a7%e5%8e%9f%e5%88%99","status":"publish","type":"post","link":"https:\/\/www.dongchangbin.net.cn\/?p=822","title":{"rendered":"\u8f6f\u4ef6\u8bbe\u8ba1\u516d\u5927\u539f\u5219"},"content":{"rendered":"\n<p>\u8f6f\u4ef6\u8bbe\u8ba1\u516d\u5927\u539f\u5219<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5355\u4e00\u804c\u8d23\u539f\u5219\uff08Single Responsibility Principle &#8211; SRP\uff09<\/h3>\n\n\n\n<p>\u539f\u6587\uff1aThere should never be more than one reason for a class to change.<\/p>\n\n\n\n<p>\u8bd1\u6587\uff1a\u6c38\u8fdc\u4e0d\u5e94\u8be5\u6709\u591a\u4e8e\u4e00\u4e2a\u539f\u56e0\u6765\u6539\u53d8\u67d0\u4e2a\u7c7b\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\uff1a\u5bf9\u4e8e\u4e00\u4e2a\u7c7b\u800c\u8a00\uff0c\u5e94\u8be5\u4ec5\u6709\u4e00\u4e2a\u5f15\u8d77\u5b83\u53d8\u5316\u7684\u539f\u56e0\u3002\u8bf4\u767d\u4e86\u5c31\u662f\uff0c\u4e0d\u540c\u7684\u7c7b\u5177\u5907\u4e0d\u540c\u7684\u804c\u8d23\uff0c\u5404\u65bd\u5176\u8d23\u3002\u8fd9\u5c31\u597d\u6bd4\u4e00\u4e2a\u56e2\u961f\uff0c\u5927\u5bb6\u5206\u5de5\u534f\u4f5c\uff0c\u4e92\u4e0d\u5f71\u54cd\uff0c\u5404\u505a\u5404\u7684\u4e8b\u60c5\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\uff1a\u5f53\u6211\u4eec\u505a\u7cfb\u7edf\u8bbe\u8ba1\u65f6\uff0c\u5982\u679c\u53d1\u73b0\u6709\u4e00\u4e2a\u7c7b\u62e5\u6709\u4e86\u4e24\u79cd\u7684\u804c\u8d23\uff0c\u90a3\u5c31\u95ee\u81ea\u5df1\u4e00\u4e2a\u95ee\u9898\uff1a\u53ef\u4ee5\u5c06\u8fd9\u4e2a\u7c7b\u5206\u6210\u4e24\u4e2a\u7c7b\u5417\uff1f\u5982\u679c\u771f\u7684\u6709\u5fc5\u8981\uff0c\u90a3\u5c31\u5206\u5427\u3002\u5343\u4e07\u4e0d\u8981\u8ba9\u4e00\u4e2a\u7c7b\u5e72\u7684\u4e8b\u60c5\u592a\u591a\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5f00\u653e\u5c01\u95ed\u539f\u5219\uff08Open Closed Principle &#8211; OCP\uff09<\/h3>\n\n\n\n<p>\u539f\u6587\uff1aSoftware entities like classes, modules and functions should be open for extension but closed for modifications.<\/p>\n\n\n\n<p>\u8bd1\u6587\uff1a\u8f6f\u4ef6\u5b9e\u4f53\uff0c\u5982\uff1a\u7c7b\u3001\u6a21\u5757\u4e0e\u51fd\u6570\uff0c\u5bf9\u4e8e\u6269\u5c55\u5e94\u8be5\u662f\u5f00\u653e\u7684\uff0c\u4f46\u5bf9\u4e8e\u4fee\u6539\u5e94\u8be5\u662f\u5c01\u95ed\u7684\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\uff1a\u7b80\u8a00\u4e4b\uff0c\u5bf9\u6269\u5c55\u5f00\u653e\uff0c\u5bf9\u4fee\u6539\u5c01\u95ed\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u53ef\u4ee5\u53bb\u6269\u5c55\u7c7b\uff0c\u4f46\u4e0d\u8981\u53bb\u4fee\u6539\u7c7b\u3002\u5f00\u653e\u5c01\u95ed\u539f\u5219\uff0c\u662f\u6700\u4e3a\u91cd\u8981\u7684\u8bbe\u8ba1\u539f\u5219\uff0cLiskov\u66ff\u6362\u539f\u5219\u548c\u5408\u6210\/\u805a\u5408\u590d\u7528\u539f\u5219\u4e3a\u5f00\u653e\u5c01\u95ed\u539f\u5219\u7684\u5b9e\u73b0\u63d0\u4f9b\u4fdd\u8bc1\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\uff1a\u5f53\u9700\u6c42\u6709\u6539\u52a8\uff0c\u8981\u4fee\u6539\u4ee3\u7801\u4e86\uff0c\u6b64\u65f6\u60a8\u8981\u505a\u7684\u662f\uff0c\u5c3d\u91cf\u7528\u7ee7\u627f\u6216\u7ec4\u5408\u7684\u65b9\u5f0f\u6765\u6269\u5c55\u7c7b\u7684\u529f\u80fd\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u4fee\u6539\u7c7b\u7684\u4ee3\u7801\u3002\u5f53\u7136\uff0c\u5982\u679c\u80fd\u591f\u786e\u4fdd\u5bf9\u6574\u4f53\u67b6\u6784\u4e0d\u4f1a\u4ea7\u751f\u4efb\u4f55\u5f71\u54cd\uff0c\u90a3\u4e48\u4e5f\u6ca1\u5fc5\u8981\u641e\u5f97\u90a3\u4e48\u590d\u6742\u4e86\uff0c\u76f4\u63a5\u6539\u8fd9\u4e2a\u7c7b\u5427\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u91cc\u6c0f\u66ff\u6362\u539f\u5219\uff08Liskov Substitution Principle &#8211; LSP\uff09<\/h3>\n\n\n\n<p>\u539f\u6587\uff1aFunctions that use pointers or references to base classes must be able to use objects of derived classes without knowing it.<\/p>\n\n\n\n<p>\u8bd1\u6587\uff1a\u4f7f\u7528\u57fa\u7c7b\u7684\u6307\u9488\u6216\u5f15\u7528\u7684\u51fd\u6570\uff0c\u5fc5\u987b\u662f\u5728\u4e0d\u77e5\u60c5\u7684\u60c5\u51b5\u4e0b\uff0c\u80fd\u591f\u4f7f\u7528\u6d3e\u751f\u7c7b\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\uff1a\u7236\u7c7b\u80fd\u591f\u66ff\u6362\u5b50\u7c7b\uff0c\u4f46\u5b50\u7c7b\u4e0d\u4e00\u5b9a\u80fd\u66ff\u6362\u7236\u7c7b\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u4ee3\u7801\u4e2d\u53ef\u4ee5\u5c06\u7236\u7c7b\u5168\u90e8\u66ff\u6362\u4e3a\u5b50\u7c7b\uff0c\u7a0b\u5e8f\u4e0d\u4f1a\u62a5\u9519\uff0c\u4e5f\u4e0d\u4f1a\u5728\u8fd0\u884c\u65f6\u51fa\u73b0\u4efb\u4f55\u5f02\u5e38\uff0c\u4f46\u53cd\u8fc7\u6765\u5374\u4e0d\u4e00\u5b9a\u6210\u7acb\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\uff1a\u5728\u7ee7\u627f\u7c7b\u65f6\uff0c\u52a1\u5fc5\u91cd\u5199\uff08Override\uff09\u7236\u7c7b\u4e2d\u6240\u6709\u7684\u65b9\u6cd5\uff0c\u5c24\u5176\u9700\u8981\u6ce8\u610f\u7236\u7c7b\u7684 protected \u65b9\u6cd5\uff08\u5b83\u4eec\u5f80\u5f80\u662f\u8ba9\u60a8\u91cd\u5199\u7684\uff09\uff0c\u5b50\u7c7b\u5c3d\u91cf\u4e0d\u8981\u66b4\u9732\u81ea\u5df1\u7684 public \u65b9\u6cd5\u4f9b\u5916\u754c\u8c03\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u6700\u5c11\u77e5\u8bc6\u539f\u5219\uff08Least Knowledge Principle &#8211; LKP\uff09<\/h3>\n\n\n\n<p>\u539f\u6587\uff1aOnly talk to you immediate friends.<\/p>\n\n\n\n<p>\u8bd1\u6587\uff1a\u53ea\u4e0e\u4f60\u6700\u76f4\u63a5\u7684\u670b\u53cb\u4ea4\u6d41\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\uff1a\u5c3d\u91cf\u51cf\u5c11\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u4ece\u800c\u51cf\u5c0f\u7c7b\u4e4b\u95f4\u7684\u8026\u5408\u3002\u7b80\u8a00\u4e4b\uff0c\u4e00\u5b9a\u8981\u505a\u5230\uff1a\u4f4e\u8026\u5408\uff0c\u9ad8\u5185\u805a\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\uff1a\u5728\u505a\u7cfb\u7edf\u8bbe\u8ba1\u65f6\uff0c\u4e0d\u8981\u8ba9\u4e00\u4e2a\u7c7b\u4f9d\u8d56\u4e8e\u592a\u591a\u7684\u5176\u4ed6\u7c7b\uff0c\u9700\u5c3d\u91cf\u51cf\u5c0f\u4f9d\u8d56\u5173\u7cfb\uff0c\u5426\u5219\uff0c\u60a8\u6b7b\u90fd\u4e0d\u77e5\u9053\u81ea\u5df1\u600e\u4e48\u6b7b\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u63a5\u53e3\u9694\u79bb\u539f\u5219\uff08Interface Segregation Principle &#8211; ISP\uff09<\/h3>\n\n\n\n<p>\u539f\u6587\uff1aThe dependency of one class to another one should depend on the smallest possible interface.<\/p>\n\n\n\n<p>\u8bd1\u6587\uff1a\u4e00\u4e2a\u7c7b\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u4e4b\u95f4\u7684\u4f9d\u8d56\u6027\uff0c\u5e94\u8be5\u4f9d\u8d56\u4e8e\u5c3d\u53ef\u80fd\u5c0f\u7684\u63a5\u53e3\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\uff1a\u4e0d\u8981\u5bf9\u5916\u66b4\u9732\u6ca1\u6709\u5b9e\u9645\u610f\u4e49\u7684\u63a5\u53e3\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u63a5\u53e3\u662f\u7ed9\u522b\u4eba\u8c03\u7528\u7684\uff0c\u90a3\u5c31\u4e0d\u8981\u53bb\u4e3a\u96be\u522b\u4eba\u4e86\uff0c\u5c3d\u53ef\u80fd\u4fdd\u8bc1\u63a5\u53e3\u7684\u5b9e\u7528\u6027\u5427\u3002\u5979\u597d\uff0c\u6211\u4e5f\u597d\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\uff1a\u5f53\u9700\u8981\u5bf9\u5916\u66b4\u9732\u63a5\u53e3\u65f6\uff0c\u9700\u8981\u518d\u4e09\u659f\u914c\uff0c\u5982\u679c\u771f\u7684\u6ca1\u6709\u5fc5\u8981\u5bf9\u5916\u63d0\u4f9b\u7684\uff0c\u5c31\u5220\u4e86\u5427\u3002\u4e00\u65e6\u60a8\u63d0\u4f9b\u4e86\uff0c\u5c31\u610f\u5473\u7740\uff0c\u60a8\u5c06\u6765\u8981\u591a\u505a\u4e00\u4ef6\u4e8b\u60c5\uff0c\u4f55\u82e6\u8981\u7ed9\u81ea\u5df1\u627e\u4e8b\u505a\u5462\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u4f9d\u8d56\u5012\u7f6e\u539f\u5219\uff08Dependence Inversion Principle &#8211; DIP\uff09<\/h3>\n\n\n\n<p>\u539f\u6587\uff1aHigh level modules should not depends upon low level modules. Both should depend upon abstractions. Abstractions should not depend upon details. Details should depend upon abstractions.<\/p>\n\n\n\n<p>\u8bd1\u6587\uff1a\u9ad8\u5c42\u6a21\u5757\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u4f4e\u5c42\u6a21\u5757\uff0c\u5b83\u4eec\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u3002\u62bd\u8c61\u4e0d\u5e94\u8be5\u4f9d\u8d56\u4e8e\u7ec6\u8282\uff0c\u7ec6\u8282\u5e94\u8be5\u4f9d\u8d56\u4e8e\u62bd\u8c61\u3002<\/p>\n\n\n\n<p>\u7406\u89e3\uff1a\u5e94\u8be5\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\uff0c\u4e0d\u5e94\u8be5\u9762\u5411\u5b9e\u73b0\u7c7b\u7f16\u7a0b\u3002\u9762\u5411\u5b9e\u73b0\u7c7b\u7f16\u7a0b\uff0c\u76f8\u5f53\u4e8e\u5c31\u662f\u8bba\u4e8b\uff0c\u90a3\u662f\u6b63\u5411\u4f9d\u8d56\uff08\u6b63\u5e38\u4eba\u601d\u7ef4\uff09\uff1b\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\uff0c\u76f8\u5f53\u4e8e\u901a\u8fc7\u4e8b\u7269\u8868\u8c61\u6765\u770b\u672c\u8d28\uff0c\u90a3\u662f\u53cd\u5411\u4f9d\u8d56\uff0c\u5373\u4f9d\u8d56\u5012\u7f6e\uff08\u7a0b\u5e8f\u5458\u601d\u7ef4\uff09\u3002<\/p>\n\n\n\n<p>\u5e94\u7528\uff1a\u5e76\u4e0d\u662f\u8bf4\uff0c\u6240\u6709\u7684\u7c7b\u90fd\u8981\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u63a5\u53e3\uff0c\u800c\u662f\u8bf4\uff0c\u5982\u679c\u6709\u63a5\u53e3\uff0c\u90a3\u5c31\u5c3d\u91cf\u4f7f\u7528\u63a5\u53e3\u6765\u7f16\u7a0b\u5427\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3<\/h3>\n\n\n\n<p>\u5c06\u4ee5\u4e0a\u516d\u5927\u539f\u5219\u7684\u82f1\u6587\u9996\u5b57\u6bcd\u62fc\u5728\u4e00\u8d77\u5c31\u662f SOLID\uff08\u7a33\u5b9a\u7684\uff09\uff0c\u6240\u4ee5\u4e5f\u79f0\u4e4b\u4e3a SOLID \u539f\u5219\u3002\u53ea\u6709\u6ee1\u8db3\u4e86\u8fd9\u516d\u5927\u539f\u5219\uff0c\u624d\u80fd\u8bbe\u8ba1\u51fa\u7a33\u5b9a\u7684\u8f6f\u4ef6\u67b6\u6784\uff01\u4f46\u5b83\u4eec\u6bd5\u7adf\u53ea\u662f\u539f\u5219\uff0c\u53ea\u662f\u7ed9\u6211\u4eec\u7684\u5efa\u8bae\uff0c\u6709\u4e9b\u65f6\u5019\u6211\u4eec\u8fd8\u662f\u8981\u5b66\u4f1a\u7075\u6d3b\u5e94\u53d8\uff0c\u5343\u4e07\u4e0d\u8981\u751f\u642c\u786c\u5957\uff0c\u5426\u5219\u53ea\u4f1a\u628a\u7b80\u5355\u95ee\u9898\u590d\u6742\u5316<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8865\u5145\u8bbe\u8ba1\u539f\u5219<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u7ec4\u5408\/\u805a\u5408\u590d\u7528\u539f\u5219\uff08Composition\/Aggregation Reuse Principle &#8211; CARP\uff09<\/h3>\n\n\n\n<p>&nbsp;\u5f53\u8981\u6269\u5c55\u7c7b\u7684\u529f\u80fd\u65f6\uff0c\u4f18\u5148\u8003\u8651\u4f7f\u7528\u7ec4\u5408\uff0c\u800c\u4e0d\u662f\u7ee7\u627f\u3002\u8fd9\u6761\u539f\u5219\u5728 23 \u79cd\u7ecf\u5178\u8bbe\u8ba1\u6a21\u5f0f\u4e2d\u9891\u7e41\u4f7f\u7528\uff0c\u5982\uff1a\u4ee3\u7406\u6a21\u5f0f\u3001\u88c5\u9970\u6a21\u5f0f\u3001\u9002\u914d\u5668\u6a21\u5f0f\u7b49\u3002\u53ef\u89c1\u6c5f\u6e56\u5730\u4f4d\u975e\u5e38\u4e4b\u9ad8\uff01<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u65e0\u73af\u4f9d\u8d56\u539f\u5219\uff08Acyclic Dependencies Principle &#8211; ADP\uff09<\/h3>\n\n\n\n<p>\u5f53 A \u6a21\u5757\u4f9d\u8d56\u4e8e B \u6a21\u5757\uff0cB \u6a21\u5757\u4f9d\u8d56\u4e8e C \u6a21\u5757\uff0cC \u4f9d\u8d56\u4e8e A \u6a21\u5757\uff0c\u6b64\u65f6\u5c06\u51fa\u73b0\u5faa\u73af\u4f9d\u8d56\u3002\u5728\u8bbe\u8ba1\u4e2d\u5e94\u8be5\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u901a\u8fc7\u5f15\u5165\u201c\u4e2d\u4ecb\u8005\u6a21\u5f0f\u201d\u89e3\u51b3\u8be5\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u5171\u540c\u5c01\u88c5\u539f\u5219\uff08Common Closure Principle &#8211; CCP\uff09<\/h3>\n\n\n\n<p>\u5e94\u8be5\u5c06\u6613\u53d8\u7684\u7c7b\u653e\u5728\u540c\u4e00\u4e2a\u5305\u91cc\uff0c\u5c06\u53d8\u5316\u9694\u79bb\u51fa\u6765\u3002\u8be5\u539f\u5219\u662f\u201c\u5f00\u653e-\u5c01\u95ed\u539f\u5219\u201d\u7684\u5ef6\u751f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u5171\u540c\u91cd\u7528\u539f\u5219\uff08Common Reuse Principle &#8211; CRP\uff09<\/h3>\n\n\n\n<p>\u5982\u679c\u91cd\u7528\u4e86\u5305\u4e2d\u7684\u4e00\u4e2a\u7c7b\uff0c\u90a3\u4e48\u4e5f\u5c31\u76f8\u5f53\u4e8e\u91cd\u7528\u4e86\u5305\u4e2d\u7684\u6240\u6709\u7c7b\uff0c\u6211\u4eec\u8981\u5c3d\u53ef\u80fd\u51cf\u5c0f\u5305\u7684\u5927\u5c0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u597d\u83b1\u575e\u539f\u5219\uff08Hollywood Principle &#8211; HP\uff09<\/h3>\n\n\n\n<p>\u597d\u83b1\u575e\u660e\u661f\u7684\u7ecf\u7eaa\u4eba\u4e00\u822c\u90fd\u5f88\u5fd9\uff0c\u4ed6\u4eec\u4e0d\u60f3\u88ab\u6253\u6270\uff0c\u5f80\u5f80\u4f1a\u8bf4\uff1aDon&#8217;t call me, I&#8217;ll call you. \u7ffb\u8bd1\u4e3a\uff1a\u4e0d\u8981\u8054\u7cfb\u6211\uff0c\u6211\u4f1a\u8054\u7cfb\u4f60\u3002\u5bf9\u5e94\u4e8e\u8f6f\u4ef6\u8bbe\u8ba1\u800c\u8a00\uff0c\u6700\u8457\u540d\u7684\u5c31\u662f\u201c\u63a7\u5236\u53cd\u8f6c\u201d\uff08\u6216\u79f0\u4e3a\u201c\u4f9d\u8d56\u6ce8\u5165\u201d\uff09\uff0c\u6211\u4eec\u4e0d\u9700\u8981\u5728\u4ee3\u7801\u4e2d\u4e3b\u52a8\u7684\u521b\u5efa\u5bf9\u8c61\uff0c\u800c\u662f\u7531\u5bb9\u5668\u5e2e\u6211\u4eec\u6765\u521b\u5efa\u5e76\u7ba1\u7406\u8fd9\u4e9b\u5bf9\u8c61\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5176\u5b83\u8bbe\u8ba1\u539f\u5219<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4e0d\u8981\u91cd\u590d\u4f60\u81ea\u5df1\uff08Don&#8217;t repeat yourself &#8211; DRY\uff09<\/h3>\n\n\n\n<p>\u4e0d\u8981\u8ba9\u91cd\u590d\u7684\u4ee3\u7801\u5230\u5904\u90fd\u662f\uff0c\u8981\u8ba9\u5b83\u4eec\u8db3\u591f\u7684\u91cd\u7528\uff0c\u6240\u4ee5\u8981\u5c3d\u53ef\u80fd\u5730\u5c01\u88c5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4fdd\u6301\u5b83\u7b80\u5355\u4e0e\u50bb\u74dc\uff08Keep it simple and stupid &#8211; KISS\uff09<\/h3>\n\n\n\n<p>\u4e0d\u8981\u8ba9\u7cfb\u7edf\u53d8\u5f97\u590d\u6742\uff0c\u754c\u9762\u7b80\u6d01\uff0c\u529f\u80fd\u5b9e\u7528\uff0c\u64cd\u4f5c\u65b9\u4fbf\uff0c\u8981\u8ba9\u5b83\u8db3\u591f\u7684\u7b80\u5355\uff0c\u8db3\u591f\u7684\u50bb\u74dc\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u9ad8\u5185\u805a\u4e0e\u4f4e\u8026\u5408\uff08High Cohesion and Low Coupling &#8211; HCLC\uff09<\/h3>\n\n\n\n<p>\u6a21\u5757\u5185\u90e8\u9700\u8981\u505a\u5230\u5185\u805a\u5ea6\u9ad8\uff0c\u6a21\u5757\u4e4b\u95f4\u9700\u8981\u505a\u5230\u8026\u5408\u5ea6\u4f4e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u60ef\u4f8b\u4f18\u4e8e\u914d\u7f6e\uff08Convention over Configuration &#8211; COC\uff09<\/h3>\n\n\n\n<p>\u5c3d\u91cf\u8ba9\u60ef\u4f8b\u6765\u51cf\u5c11\u914d\u7f6e\uff0c\u8fd9\u6837\u624d\u80fd\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u5c3d\u91cf\u505a\u5230\u201c\u96f6\u914d\u7f6e\u201d\u3002\u5f88\u591a\u5f00\u53d1\u6846\u67b6\u90fd\u662f\u8fd9\u6837\u505a\u7684\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u547d\u4ee4\u67e5\u8be2\u5206\u79bb\uff08Command Query Separation &#8211; CQS\uff09<\/h3>\n\n\n\n<p>\u5728\u5b9a\u4e49\u63a5\u53e3\u65f6\uff0c\u8981\u505a\u5230\u54ea\u4e9b\u662f\u547d\u4ee4\uff0c\u54ea\u4e9b\u662f\u67e5\u8be2\uff0c\u8981\u5c06\u5b83\u4eec\u5206\u79bb\uff0c\u800c\u4e0d\u8981\u63c9\u5230\u4e00\u8d77\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">6. \u5173\u6ce8\u70b9\u5206\u79bb\uff08Separation of Concerns &#8211; SOC\uff09<\/h3>\n\n\n\n<p>\u5c06\u4e00\u4e2a\u590d\u6742\u7684\u95ee\u9898\u5206\u79bb\u4e3a\u591a\u4e2a\u7b80\u5355\u7684\u95ee\u9898\uff0c\u7136\u540e\u9010\u4e2a\u89e3\u51b3\u8fd9\u4e9b\u7b80\u5355\u7684\u95ee\u9898\uff0c\u90a3\u4e48\u8fd9\u4e2a\u590d\u6742\u7684\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002\u96be\u5c31\u96be\u5728\u5982\u4f55\u8fdb\u884c\u5206\u79bb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7. \u5951\u7ea6\u5f0f\u8bbe\u8ba1\uff08Design by Contract &#8211; DBC\uff09<\/h3>\n\n\n\n<p>\u6a21\u5757\u6216\u7cfb\u7edf\u4e4b\u95f4\u7684\u4ea4\u4e92\uff0c\u90fd\u662f\u57fa\u4e8e\u5951\u7ea6\uff08\u63a5\u53e3\u6216\u62bd\u8c61\uff09\u7684\uff0c\u800c\u4e0d\u8981\u4f9d\u8d56\u4e8e\u5177\u4f53\u5b9e\u73b0\u3002\u8be5\u539f\u5219\u5efa\u8bae\u6211\u4eec\u8981\u9762\u5411\u5951\u7ea6\u7f16\u7a0b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8. \u4f60\u4e0d\u9700\u8981\u5b83\uff08You aren&#8217;t gonna need it &#8211; YAGNI\uff09<\/h3>\n\n\n\n<p>\u4e0d\u8981\u4e00\u5f00\u59cb\u5c31\u628a\u7cfb\u7edf\u8bbe\u8ba1\u5f97\u975e\u5e38\u590d\u6742\uff0c\u4e0d\u8981\u9677\u5165\u201c\u8fc7\u5ea6\u8bbe\u8ba1\u201d\u7684\u6df1\u6e0a\u3002\u5e94\u8be5\u8ba9\u7cfb\u7edf\u8db3\u591f\u7684\u7b80\u5355\uff0c\u800c\u5374\u53c8\u4e0d\u5931\u6269\u5c55\u6027\uff0c\u8fd9\u662f\u5176\u4e2d\u7684\u96be\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f6f\u4ef6\u8bbe\u8ba1\u516d\u5927\u539f\u5219 1. \u5355\u4e00\u804c\u8d23\u539f\u5219\uff08Single Responsibility Principle &#038;#82 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[124,120,114,115,121,116,122,118,119,113,117,123],"class_list":["post-822","post","type-post","status-publish","format-standard","hentry","category-89","tag-124","tag-120","tag-114","tag-115","tag-121","tag-116","tag-122","tag-118","tag-119","tag-113","tag-117","tag-123"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8f6f\u4ef6\u8bbe\u8ba1\u516d\u5927\u539f\u5219 - Dong&#039;s Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dongchangbin.net.cn\/?p=822\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" 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