{"id":1161,"date":"2026-03-27T10:05:21","date_gmt":"2026-03-27T10:05:21","guid":{"rendered":"https:\/\/www.method-post.com\/tw\/proper-class-design-prevents-technical-debt\/"},"modified":"2026-03-27T10:05:21","modified_gmt":"2026-03-27T10:05:21","slug":"proper-class-design-prevents-technical-debt","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/tw\/proper-class-design-prevents-technical-debt\/","title":{"rendered":"\u96b1\u85cf\u7684\u908f\u8f2f\uff1a\u5982\u4f55\u900f\u904e\u6b63\u78ba\u7684\u985e\u5225\u8a2d\u8a08\uff0c\u5728\u9577\u671f\u5c08\u6848\u4e2d\u9810\u9632\u6280\u8853\u50b5\u52d9"},"content":{"rendered":"<p>\u8edf\u9ad4\u7cfb\u7d71\u5f88\u5c11\u662f\u975c\u614b\u7684\u3002\u5b83\u5011\u6703\u96a8\u8457\u6578\u6708\u751a\u81f3\u6578\u5e74\u7684\u6642\u9593\u4e0d\u65b7\u6f14\u9032\u3001\u64f4\u5c55\u4e26\u9069\u61c9\u8b8a\u5316\u7684\u5546\u696d\u9700\u6c42\u3002\u7136\u800c\uff0c\u9019\u7a2e\u6f14\u9032\u5f80\u5f80\u4f34\u96a8\u8457\u4e00\u9805\u96b1\u85cf\u6210\u672c\uff0c\u7a31\u70ba\u6280\u8853\u50b5\u52d9\u3002\u96d6\u7136\u6280\u8853\u50b5\u52d9\u5e38\u8207\u5feb\u901f\u4fee\u5fa9\u6216\u932f\u904e\u671f\u9650\u6709\u95dc\uff0c\u4f46\u5b83\u901a\u5e38\u6e90\u81ea\u7a0b\u5f0f\u78bc\u57fa\u790e\u67b6\u69cb\u672c\u8eab\u3002\u5728\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c\u985e\u5225\u662f\u4e3b\u8981\u7684\u69cb\u5efa\u55ae\u5143\u3002\u56e0\u6b64\uff0c\u985e\u5225\u8a2d\u8a08\u4e2d\u6240\u5d4c\u5165\u7684\u908f\u8f2f\uff0c\u76f4\u63a5\u5f71\u97ff\u6574\u500b\u7cfb\u7d71\u7684\u9577\u671f\u7a69\u5b9a\u6027\u8207\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<p>\u7576\u958b\u767c\u4eba\u54e1\u5ffd\u7565\u5176\u985e\u5225\u7684\u7d50\u69cb\u5b8c\u6574\u6027\u6642\uff0c\u4ed6\u5011\u4fbf\u6703\u7d2f\u7a4d\u9019\u7b46\u50b5\u52d9\u7684\u5229\u606f\u3002\u6bcf\u4e00\u500b\u5f8c\u7e8c\u529f\u80fd\u90fd\u8b8a\u5f97\u66f4\u96e3\u52a0\u5165\uff0c\u6bcf\u4e00\u6b21\u932f\u8aa4\u4fee\u5fa9\u90fd\u4f34\u96a8\u8457\u66f4\u9ad8\u7684\u56de\u6b78\u98a8\u96aa\uff0c\u5718\u968a\u7684\u958b\u767c\u901f\u5ea6\u4e5f\u5c07\u6162\u5982\u722c\u884c\u3002\u672c\u6307\u5357\u63a2\u8a0e\u6b63\u78ba\u985e\u5225\u8a2d\u8a08\u7684\u6a5f\u5236\uff0c\u4ee5\u53ca\u5982\u4f55\u9075\u5faa\u7279\u5b9a\u7684\u67b6\u69cb\u539f\u5247\uff0c\u5728\u50b5\u52d9\u5931\u63a7\u4e4b\u524d\u52a0\u4ee5\u6e1b\u8f15\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic illustrating how proper class design prevents technical debt in software projects. Features four key sections: Foundation showing high cohesion (focused single-task class) versus low coupling (loosely connected modules); SOLID Principles depicted as five architectural pillars (Single Responsibility, Open\/Closed, Liskov Substitution, Interface Segregation, Dependency Inversion); Warning Zone highlighting anti-patterns like God Class, Spaghetti Code, and Feature Envy with cartoon trap illustrations; and Solution Path displaying a cost-of-change graph comparing poor design (steep red curve) versus good design (stable green curve), with refactoring strategies including Boy Scout Rule, Strangler Fig Pattern, and Interface Implementation. Hand-sketched aesthetic with thick outline strokes, warm ink color palette, and clear English labels throughout. 16:9 aspect ratio.\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/proper-class-design-prevents-technical-debt-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83c\udfd7\ufe0f \u7406\u89e3\u57fa\u790e\uff1a\u5167\u805a\u6027\u8207\u8026\u5408\u5ea6<\/h2>\n<p>\u8a55\u4f30\u985e\u5225\u5065\u5eb7\u72c0\u6cc1\u7684\u5169\u500b\u6700\u91cd\u8981\u6307\u6a19\u662f\u5167\u805a\u6027\u8207\u8026\u5408\u5ea6\u3002\u9019\u4e9b\u6982\u5ff5\u69cb\u6210\u4e86\u7a69\u5b9a\u8edf\u9ad4\u67b6\u69cb\u7684\u9aa8\u5e79\u3002\u5ffd\u7565\u5b83\u5011\uff0c\u7b49\u540c\u65bc\u5728\u6c92\u6709\u5730\u57fa\u7684\u60c5\u6cc1\u4e0b\u5efa\u9020\u6469\u5929\u5927\u6a13\uff1b\u7d50\u69cb\u6216\u8a31\u80fd\u6490\u4e00\u9663\u5b50\uff0c\u4f46\u98a8\uff08\u8b8a\u5316\u7684\u9700\u6c42\uff09\u5e36\u4f86\u7684\u58d3\u529b\u6700\u7d42\u5c07\u5c0e\u81f4\u5d29\u584c\u3002<\/p>\n<h3>\u9ad8\u5167\u805a\u6027\uff1a\u55ae\u4e00\u8cac\u4efb\u539f\u5247<\/h3>\n<p>\u5167\u805a\u6027\u6307\u7684\u662f\u55ae\u4e00\u985e\u5225\u4e2d\u5404\u9805\u8cac\u4efb\u4e4b\u9593\u7684\u76f8\u95dc\u7a0b\u5ea6\u3002\u5177\u6709\u9ad8\u5167\u805a\u6027\u7684\u985e\u5225\u5c08\u6ce8\u65bc\u57f7\u884c\u55ae\u4e00\u7279\u5b9a\u4efb\u52d9\uff0c\u4e26\u4e14\u57f7\u884c\u5f97\u51fa\u8272\u3002\u9019\u901a\u5e38\u8207\u55ae\u4e00\u8cac\u4efb\u539f\u5247\u540c\u7fa9\u3002\u7576\u4e00\u500b\u985e\u5225\u8655\u7406\u591a\u500b\u7121\u95dc\u7684\u8cac\u4efb\u6642\uff0c\u5b83\u5c07\u8b8a\u5f97\u8106\u5f31\u3002<\/p>\n<ul>\n<li><strong>\u9ad8\u5167\u805a\u6027\uff1a<\/strong> \u4e00\u500b\u5c08\u9580\u6839\u64da\u5730\u7406\u4f4d\u7f6e\u8207\u8ca8\u5e63\u8a08\u7b97\u7a05\u7387\u7684\u985e\u5225\u3002<\/li>\n<li><strong> \u4f4e\u5167\u805a\u6027\uff1a<\/strong> \u4e00\u500b\u8ca0\u8cac\u8a08\u7b97\u7a05\u984d\u3001\u8655\u7406\u4ed8\u6b3e\u3001\u767c\u9001\u96fb\u5b50\u90f5\u4ef6\u6536\u64da\uff0c\u4e26\u8a18\u9304\u8cc7\u6599\u5eab\u4ea4\u6613\u7684\u985e\u5225\u3002<\/li>\n<\/ul>\n<p>\u7576\u4e00\u500b\u985e\u5225\u904e\u65bc\u5ee3\u6cdb\u6642\uff0c\u67d0\u500b\u9700\u6c42\u7684\u8b8a\u66f4\u6703\u8feb\u4f7f\u6574\u500b\u985e\u5225\u9032\u884c\u4fee\u6539\u3002\u9019\u6703\u589e\u52a0\u932f\u8aa4\u7684\u6f5b\u5728\u7bc4\u570d\u3002\u900f\u904e\u5c07\u9019\u4e9b\u8cac\u4efb\u5206\u96e2\u5230\u4e0d\u540c\u7684\u985e\u5225\u4e2d\uff0c\u8b8a\u66f4\u7684\u5f71\u97ff\u7bc4\u570d\u5c07\u88ab\u9650\u5236\u3002\u82e5\u96fb\u5b50\u90f5\u4ef6\u670d\u52d9\u767c\u751f\u8b8a\u66f4\uff0c\u7a05\u984d\u8a08\u7b97\u5668\u4ecd\u4e0d\u53d7\u5f71\u97ff\u3002<\/p>\n<h3>\u4f4e\u8026\u5408\uff1a\u6e1b\u5c11\u4f9d\u8cf4<\/h3>\n<p>\u8026\u5408\u5ea6\u8861\u91cf\u8edf\u9ad4\u6a21\u7d44\u4e4b\u9593\u76f8\u4e92\u4f9d\u8cf4\u7684\u7a0b\u5ea6\u3002\u4f4e\u8026\u5408\u8868\u793a\u4e00\u500b\u6a21\u7d44\u7684\u8b8a\u66f4\u5c0d\u53e6\u4e00\u500b\u6a21\u7d44\u7684\u5f71\u97ff\u6975\u5c0f\u6216\u7121\u9700\u8b8a\u66f4\u3002\u9ad8\u8026\u5408\u6703\u5f62\u6210\u4e00\u500b\u4f9d\u8cf4\u7db2\uff0c\u4fee\u5fa9\u4e00\u500b\u554f\u984c\u6642\u53cd\u800c\u6703\u7834\u58de\u53e6\u4e00\u500b\u554f\u984c\u3002<\/p>\n<p>\u8003\u616e\u985e\u5225\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u5982\u679c\u985e\u5225 A \u5728\u65b9\u6cd5\u5167\u90e8\u76f4\u63a5\u5be6\u4f8b\u5316\u985e\u5225 B\uff0c\u90a3\u9ebc\u985e\u5225 A \u5c31\u8207\u985e\u5225 B \u7dca\u5bc6\u8026\u5408\u3002\u82e5\u985e\u5225 B \u66f4\u6539\u5176\u5efa\u69cb\u51fd\u6578\u7684\u7c3d\u540d\uff0c\u985e\u5225 A \u4e5f\u5fc5\u9808\u8ddf\u8457\u66f4\u65b0\u3002\u9019\u6703\u7522\u751f\u9023\u9396\u53cd\u61c9\u3002<\/p>\n<ul>\n<li><strong>\u7dca\u5bc6\u8026\u5408\uff1a<\/strong> \u76f4\u63a5\u5be6\u4f8b\u5316\u3001\u4f9d\u8cf4\u5177\u9ad4\u5be6\u4f5c\u3001\u5171\u4eab\u53ef\u8b8a\u72c0\u614b\u3002<\/li>\n<li><strong>\u9b06\u6563\u8026\u5408\uff1a<\/strong> \u4f9d\u8cf4\u6ce8\u5165\u3001\u4f9d\u8cf4\u4ecb\u9762\u3001\u4e0d\u53ef\u8b8a\u7684\u8cc7\u6599\u50b3\u8f38\u3002<\/li>\n<\/ul>\n<p>\u6e1b\u5c11\u8026\u5408\u4e0d\u50c5\u50c5\u662f\u70ba\u4e86\u7a0b\u5f0f\u78bc\u7684\u6574\u6f54\uff1b\u5b83\u66f4\u95dc\u4fc2\u5230\u7d44\u7e54\u7684\u654f\u6377\u6027\u3002\u9019\u8b93\u4e0d\u540c\u5718\u968a\u80fd\u5728\u4e0d\u4e92\u76f8\u5e72\u64fe\u7684\u60c5\u6cc1\u4e0b\uff0c\u5404\u81ea\u958b\u767c\u4e0d\u540c\u7684\u6a21\u7d44\u3002<\/p>\n<h2>\ud83d\udcd0 SOLID \u539f\u5247\u4f5c\u70ba\u50b5\u52d9\u9810\u9632<\/h2>\n<p>SOLID \u539f\u5247\u70ba\u985e\u5225\u8a2d\u8a08\u63d0\u4f9b\u4e86\u4e00\u689d\u81ea\u7136\u62b5\u6297\u6280\u8853\u50b5\u52d9\u7684\u8def\u5f91\u3002\u9019\u4e9b\u4e0d\u50c5\u662f\u7406\u8ad6\u4e0a\u7684\u6307\u5c0e\u539f\u5247\uff0c\u66f4\u662f\u5be6\u969b\u898f\u5247\uff0c\u898f\u7bc4\u4e86\u985e\u5225\u61c9\u5982\u4f55\u4e92\u52d5\u8207\u904b\u4f5c\u3002<\/p>\n<h3>1. \u55ae\u4e00\u8cac\u4efb\u539f\u5247\uff08SRP\uff09<\/h3>\n<p>\u4e00\u500b\u985e\u5225\u61c9\u50c5\u6709\u4e00\u500b\u8b8a\u66f4\u7684\u7406\u7531\u3002\u5982\u679c\u4f60\u80fd\u60f3\u5230\u5169\u500b\u4e0d\u540c\u7684\u539f\u56e0\uff0c\u8b93\u4e00\u500b\u985e\u5225\u9700\u8981\u88ab\u4fee\u6539\uff0c\u90a3\u9ebc\u5b83\u5f88\u53ef\u80fd\u9055\u53cd\u4e86 SRP\u3002\u6b64\u539f\u5247\u8feb\u4f7f\u958b\u767c\u4eba\u54e1\u5c07\u8907\u96dc\u554f\u984c\u62c6\u89e3\u70ba\u66f4\u5c0f\u3001\u53ef\u7ba1\u7406\u7684\u55ae\u5143\u3002<\/p>\n<h3>2. \u958b\u653e\/\u5c01\u9589\u539f\u5247\uff08OCP\uff09<\/h3>\n<p>\u8edf\u9ad4\u5be6\u9ad4\u61c9\u5c0d\u64f4\u5c55\u958b\u653e\uff0c\u5c0d\u4fee\u6539\u5c01\u9589\u3002\u9019\u5141\u8a31\u5728\u4e0d\u4fee\u6539\u73fe\u6709\u7a0b\u5f0f\u78bc\u7684\u60c5\u6cc1\u4e0b\u65b0\u589e\u529f\u80fd\u3002\u9019\u5c0d\u65bc\u9577\u671f\u5c08\u6848\u81f3\u95dc\u91cd\u8981\uff0c\u5373\u4f7f\u529f\u80fd\u4e0d\u65b7\u589e\u52a0\uff0c\u6838\u5fc3\u908f\u8f2f\u4e5f\u61c9\u4fdd\u6301\u7a69\u5b9a\u3002<\/p>\n<ul>\n<li><strong>\u9055\u53cd\uff1a<\/strong> \u6bcf\u7576\u652f\u63f4\u65b0\u7684\u4ed8\u6b3e\u65b9\u5f0f\u6642\uff0c\u5c31\u65b0\u589e\u4e00\u500b<code>if\/else<\/code>\u5340\u584a\u3002<\/li>\n<li><strong>\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u4f7f\u7528\u4ecb\u9762\u4f86\u8655\u7406\u4ed8\u6b3e\u65b9\u5f0f\uff0c\u7576\u65b0\u589e\u5be6\u4f5c\u6642\uff0c\u4ee5\u65b0\u589e\u985e\u5225\u7684\u65b9\u5f0f\u52a0\u5165\u3002<\/li>\n<\/ul>\n<h3>3. \u9069\u7528\u6027\u66ff\u4ee3\u539f\u5247\uff08LSP\uff09<\/h3>\n<p>\u7236\u985e\u5225\u7684\u7269\u4ef6\u61c9\u80fd\u88ab\u5176\u5b50\u985e\u5225\u7684\u7269\u4ef6\u53d6\u4ee3\uff0c\u800c\u4e0d\u6703\u7834\u58de\u61c9\u7528\u7a0b\u5f0f\u3002\u9019\u78ba\u4fdd\u4e86\u7e7c\u627f\u88ab\u6b63\u78ba\u4f7f\u7528\u3002\u82e5\u5b50\u985e\u5225\u4ee5\u51fa\u4e4e\u610f\u6599\u7684\u65b9\u5f0f\u6539\u8b8a\u7236\u985e\u5225\u7684\u884c\u70ba\uff0c\u5c07\u6703\u5f15\u5165\u96e3\u4ee5\u8ffd\u8e64\u7684\u96b1\u6027\u932f\u8aa4\u3002<\/p>\n<h3>4. \u4ecb\u9762\u9694\u96e2\u539f\u5247\uff08ISP\uff09<\/h3>\n<p>\u5ba2\u6236\u7aef\u4e0d\u61c9\u88ab\u8feb\u4f9d\u8cf4\u5b83\u5011\u4e0d\u9700\u8981\u7684\u4ecb\u9762\u3002\u5927\u578b\u3001\u55ae\u4e00\u7684\u4ecb\u9762\u662f\u6280\u8853\u50b5\u52d9\u7684\u4f86\u6e90\u3002\u5b83\u8feb\u4f7f\u5be6\u4f5c\u5fc5\u9808\u651c\u5e36\u7121\u6cd5\u4f7f\u7528\u7684\u65b9\u6cd5\uff0c\u9032\u800c\u5c0e\u81f4<code>\u62cb\u51fa new NotImplementedException()<\/code>\u6216\u7a7a\u65b9\u6cd5\u3002<\/p>\n<h3>5. \u4f9d\u8cf4\u53cd\u8f49\u539f\u5247\uff08DIP\uff09<\/h3>\n<p>\u9ad8\u968e\u6a21\u7d44\u4e0d\u61c9\u4f9d\u8cf4\u4f4e\u968e\u6a21\u7d44\u3002\u5169\u8005\u90fd\u61c9\u4f9d\u8cf4\u62bd\u8c61\u3002\u9019\u4f7f\u696d\u52d9\u908f\u8f2f\u8207\u57fa\u790e\u8a2d\u65bd\u7d30\u7bc0\u89e3\u8026\u3002\u5373\u4f7f\u57fa\u790e\u8a2d\u65bd\u8b8a\u66f4\uff08\u4f8b\u5982\u5207\u63db\u8cc7\u6599\u5eab\u6216 API\uff09\uff0c\u4e5f\u4e0d\u9700\u91cd\u5beb\u696d\u52d9\u898f\u5247\u3002<\/p>\n<h2>\ud83d\udcca \u7d50\u69cb\u53ef\u8996\u5316\uff1a\u985e\u5225\u5716\u7684\u529f\u7528<\/h2>\n<p>\u985e\u5225\u5716\u4e0d\u50c5\u50c5\u662f\u6587\u4ef6\u5316\u7522\u7269\uff1b\u5b83\u66f4\u662f\u7cfb\u7d71\u908f\u8f2f\u7684\u85cd\u5716\u3002\u5728\u9577\u671f\u5c08\u6848\u4e2d\uff0c\u7a0b\u5f0f\u78bc\u7d93\u5e38\u8207\u8a2d\u8a08\u812b\u7bc0\u3002\u9019\u7a2e\u812b\u7bc0\u662f\u6280\u8853\u50b5\u52d9\u7684\u4e3b\u8981\u6307\u6a19\u3002<\/p>\n<p>\u7dad\u6301\u7cbe\u78ba\u7684\u985e\u5225\u5716\u6709\u52a9\u65bc\u5718\u968a\u7406\u89e3\u7cfb\u7d71\u7684\u8907\u96dc\u6027\u3002\u5b83\u80fd\u7a81\u986f\u51fa\u5bb9\u6613\u51fa\u932f\u7684\u5faa\u74b0\u4f9d\u8cf4\u8207\u6df1\u5c64\u7e7c\u627f\u6a39\u3002<\/p>\n<h3>\u5716\u4e2d\u9700\u76e3\u63a7\u7684\u95dc\u9375\u5143\u7d20<\/h3>\n<table border=\"1\" cellpadding=\"10\" style=\"border-collapse: collapse; width: 100%;\">\n<tr style=\"background-color: #f2f2f2;\">\n<th><strong>\u8996\u89ba\u5143\u7d20<\/strong><\/th>\n<th><strong>\u5176\u6240\u4ee3\u8868\u7684\u610f\u7fa9<\/strong><\/th>\n<th><strong>\u50b5\u52d9\u98a8\u96aa<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>\u5faa\u74b0\u4f9d\u8cf4<\/strong><\/td>\n<td>\u985e\u5225 A \u4f9d\u8cf4\u985e\u5225 B\uff0c\u800c\u985e\u5225 B \u53c8\u4f9d\u8cf4\u985e\u5225 A\u3002<\/td>\n<td>\u9ad8\u3002\u6703\u5c0e\u81f4\u7de8\u8b6f\u554f\u984c\u8207\u908f\u8f2f\u8ff4\u5708\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6df1\u5c64\u7e7c\u627f\u6a39<\/strong><\/td>\n<td>\u985e\u5225\u5d4c\u5957\u6df1\u5ea6\u9054 5 \u5c64\u6216\u66f4\u591a\u3002<\/td>\n<td>\u4e2d\u7b49\u3002\u96e3\u4ee5\u9810\u6e2c\u5b50\u985e\u5225\u7684\u884c\u70ba\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u4e0a\u5e1d\u985e\u5225<\/strong><\/td>\n<td>\u4e00\u500b\u5305\u542b\u904e\u591a\u7a0b\u5f0f\u78bc\u884c\u6578\u8207\u65b9\u6cd5\u7684\u985e\u5225\u3002<\/td>\n<td>\u9ad8\u3002\u55ae\u4e00\u5931\u6557\u9ede\u8207\u8b8a\u66f4\u74f6\u9838\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7fa9\u5927\u5229\u9eb5\u5f0f\u9023\u7d50<\/strong><\/td>\n<td>\u96dc\u4e82\u7121\u7ae0\u7684\u8de8\u6a21\u7d44\u9023\u7d50\u3002<\/td>\n<td>\u9ad8\u3002\u96e3\u4ee5\u7dad\u8b77\u4e14\u7d50\u69cb\u6df7\u4e82\u3002<\/td>\n<\/tr>\n<\/table>\n<p>\u5b9a\u671f\u5c07\u9019\u4e9b\u5716\u8868\u8207\u5be6\u969b\u7a0b\u5f0f\u78bc\u9032\u884c\u6bd4\u5c0d\uff0c\u53ef\u78ba\u4fdd\u8a2d\u8a08\u610f\u5716\u8207\u73fe\u5be6\u76f8\u7b26\u3002\u82e5\u5716\u8868\u986f\u793a\u6e05\u6670\u7684\u5c64\u6b21\u7d50\u69cb\uff0c\u4f46\u7a0b\u5f0f\u78bc\u537b\u6df7\u4e82\u4e0d\u582a\uff0c\u5718\u968a\u5fc5\u9808\u7acb\u5373\u8655\u7406\u6b64\u5dee\u7570\u3002<\/p>\n<h2>\ud83d\udeab \u65e9\u671f\u8b58\u5225\u53cd\u6a21\u5f0f<\/h2>\n<p>\u67d0\u4e9b\u8a2d\u8a08\u6a21\u5f0f\u5728\u88ab\u8aa4\u7528\u6642\u6703\u8b8a\u6210\u9677\u9631\u3002\u65e9\u671f\u8b58\u5225\u9019\u4e9b\u53cd\u6a21\u5f0f\uff0c\u53ef\u4ee5\u907f\u514d\u65e5\u5f8c\u6578\u5343\u5c0f\u6642\u7684\u91cd\u69cb\u5de5\u4f5c\u3002<\/p>\n<h3>1. \u795e\u985e<\/h3>\n<p>\u9019\u662f\u4e00\u500b\u77e5\u9053\u592a\u591a\u3001\u505a\u592a\u591a\u7684\u4e8b\u7684\u985e\u5225\u3002\u5b83\u4f5c\u70ba\u7cfb\u7d71\u7684\u5168\u5c40\u63a7\u5236\u5668\u3002\u96d6\u7136\u4e00\u958b\u59cb\u770b\u4f3c\u65b9\u4fbf\uff0c\u4f46\u6700\u7d42\u6703\u6210\u70ba\u74f6\u9838\u3002\u6c92\u6709\u4eba\u6562\u78b0\u5b83\uff0c\u56e0\u70ba\u7834\u58de\u67d0\u90e8\u5206\u7684\u98a8\u96aa\u592a\u9ad8\u3002\u89e3\u6c7a\u65b9\u6848\u662f\u5c07\u5b83\u62c6\u5206\u6210\u66f4\u5c0f\u3001\u66f4\u5c08\u6ce8\u7684\u985e\u5225\u3002<\/p>\n<h3>2. \u7121\u8840 Domain \u6a21\u578b<\/h3>\n<p>\u7576\u985e\u5225\u50c5\u5305\u542b getter \u548c setter\uff0c\u800c\u6c92\u6709\u696d\u52d9\u908f\u8f2f\u6642\uff0c\u5c31\u6703\u767c\u751f\u9019\u7a2e\u60c5\u6cc1\u3002\u6240\u6709\u908f\u8f2f\u90fd\u88ab\u63a8\u5230\u670d\u52d9\u985e\u5225\u4e2d\u3002\u9019\u9055\u53cd\u4e86\u5c01\u88dd\u539f\u5247\uff0c\u4f7f\u9818\u57df\u6a21\u578b\u7121\u6cd5\u7528\u4f86\u7406\u89e3\u696d\u52d9\u898f\u5247\u3002\u908f\u8f2f\u61c9\u4f4d\u65bc\u8cc7\u6599\u6240\u5728\u7684\u4f4d\u7f6e\u3002<\/p>\n<h3>3. \u6fd5\u9eb5\u5f0f\u7a0b\u5f0f\u78bc<\/h3>\n<p>\u9019\u6307\u7684\u662f\u63a7\u5236\u6d41\u7a0b\u6df7\u4e82\u7684\u7a0b\u5f0f\u78bc\uff0c\u901a\u5e38\u662f\u7531\u65bc\u904e\u5ea6\u4f7f\u7528<code>goto<\/code>\uff08\u5728\u820a\u8a9e\u8a00\u4e2d\uff09\u6216\u904e\u5ea6\u5d4c\u5957\u7684<code>if\/else<\/code>\u8a9e\u53e5\u3002\u9019\u4f7f\u5f97\u57f7\u884c\u6d41\u7a0b\u96e3\u4ee5\u8ffd\u8e64\u3002\u6b63\u78ba\u7684\u985e\u5225\u8a2d\u8a08\u898f\u5b9a\uff0c\u908f\u8f2f\u61c9\u5c01\u88dd\u5728\u5177\u6709\u660e\u78ba\u8f38\u5165\u8207\u8f38\u51fa\u7684\u65b9\u6cd5\u4e2d\u3002<\/p>\n<h3>4. \u529f\u80fd\u5ac9\u5992<\/h3>\n<p>\u7576 Class A \u4e2d\u7684\u65b9\u6cd5\u904e\u5ea6\u5b58\u53d6 Class B \u7684\u5c6c\u6027\u6642\uff0c\u5c31\u6703\u767c\u751f\u9019\u7a2e\u60c5\u6cc1\u3002\u9019\u8868\u793a\u8a72\u65b9\u6cd5\u61c9\u5c6c\u65bc Class B\u3002\u9019\u80fd\u4fc3\u9032\u66f4\u597d\u7684\u5167\u805a\u6027\uff0c\u4e26\u6e1b\u5c11 Class A \u6240\u9700\u638c\u63e1\u7684\u77e5\u8b58\u3002<\/p>\n<h2>\ud83d\udcc9 \u96a8\u6642\u9593\u63a8\u79fb\u7684\u8b8a\u66f4\u6210\u672c<\/h2>\n<p>\u826f\u597d\u985e\u5225\u8a2d\u8a08\u6700\u5177\u8aaa\u670d\u529b\u7684\u8ad6\u9ede\u4e4b\u4e00\uff0c\u5c31\u662f\u8b8a\u66f4\u7684\u7d93\u6fdf\u6210\u672c\u3002\u5728\u5c08\u6848\u521d\u671f\uff0c\u8b8a\u66f4\u6210\u672c\u5f88\u4f4e\u3002\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u6613\u5730\u5c07\u65b9\u6cd5\u5f9e\u4e00\u500b\u985e\u5225\u79fb\u52d5\u5230\u53e6\u4e00\u500b\u985e\u5225\u3002<\/p>\n<p>\u7136\u800c\uff0c\u96a8\u8457\u7cfb\u7d71\u6210\u719f\uff0c\u9019\u7a2e\u6210\u672c\u6703\u5448\u6307\u6578\u589e\u9577\u3002\u4e0d\u826f\u8a2d\u8a08\u6703\u5c0e\u81f4\u8b8a\u66f4\u6210\u672c\u8b8a\u5f97\u96e3\u4ee5\u627f\u53d7\u3002\u9019\u6703\u5c0e\u81f4\u300c\u529f\u80fd\u505c\u6eef\u300d\uff0c\u5373\u7121\u6cd5\u6eff\u8db3\u65b0\u7684\u696d\u52d9\u9700\u6c42\uff0c\u56e0\u70ba\u7a0b\u5f0f\u78bc\u5eab\u904e\u65bc\u50f5\u5316\u3002<\/p>\n<h3>\u5f71\u97ff\u8b8a\u66f4\u6210\u672c\u7684\u56e0\u7d20<\/h3>\n<ul>\n<li><strong>\u53ef\u6e2c\u8a66\u6027\uff1a<\/strong>\u8a2d\u8a08\u826f\u597d\u7684\u985e\u5225\u66f4\u5bb9\u6613\u9032\u884c\u55ae\u5143\u6e2c\u8a66\u3002\u8a2d\u8a08\u4e0d\u826f\u7684\u985e\u5225\u96e3\u4ee5\u9694\u96e2\uff0c\u5c0e\u81f4\u5c0d\u91cd\u69cb\u7f3a\u4e4f\u4fe1\u5fc3\u3002<\/li>\n<li><strong>\u53ef\u8b80\u6027\uff1a<\/strong>\u6e05\u6670\u7684\u985e\u5225\u908a\u754c\u8b93\u65b0\u958b\u767c\u8005\u66f4\u5bb9\u6613\u4e0a\u624b\u3002\u7d50\u69cb\u6a21\u7cca\u7684\u7a0b\u5f0f\u78bc\u9700\u8981\u66f4\u591a\u6642\u9593\u624d\u80fd\u7406\u89e3\u3002<\/li>\n<li><strong>\u53ef\u9664\u932f\u6027\uff1a<\/strong>\u7576\u51fa\u73fe\u932f\u8aa4\u6642\uff0c\u7d50\u69cb\u826f\u597d\u7684\u7cfb\u7d71\u80fd\u66f4\u5feb\u5730\u9032\u884c\u6839\u672c\u539f\u56e0\u5206\u6790\u3002\u6df7\u4e82\u7684\u7cfb\u7d71\u5247\u9700\u8981\u8ffd\u8e64\u591a\u5c64\u4f9d\u8cf4\u95dc\u4fc2\u3002<\/li>\n<\/ul>\n<p>\u6295\u5165\u6642\u9593\u9032\u884c\u985e\u5225\u8a2d\u8a08\uff0c\u662f\u5c0d\u672a\u4f86\u6548\u7387\u7684\u6295\u8cc7\u3002\u9019\u6b63\u662f\u80fd\u9069\u61c9\u5e02\u5834\u7684\u7cfb\u7d71\u8207\u9010\u6f38\u904e\u6642\u7684\u7cfb\u7d71\u4e4b\u9593\u7684\u5dee\u5225\u3002<\/p>\n<h2>\ud83d\udee0\ufe0f \u91dd\u5c0d\u907a\u7559\u7a0b\u5f0f\u78bc\u7684\u91cd\u69cb\u7b56\u7565<\/h2>\n<p>\u7576\u5c08\u6848\u5df2\u7d93\u80cc\u8ca0\u6280\u8853\u50b5\u6642\uff0c\u6703\u767c\u751f\u4ec0\u9ebc\u60c5\u6cc1\uff1f\u7b54\u6848\u4e0d\u662f\u91cd\u5beb\u6574\u500b\u7cfb\u7d71\uff0c\u800c\u662f\u7b56\u7565\u6027\u5730\u9032\u884c\u91cd\u69cb\u3002<\/p>\n<h3>1. \u7537\u5b69 scout \u6cd5\u5247<\/h3>\n<p>\u8b93\u7a0b\u5f0f\u78bc\u6bd4\u4f60\u767c\u73fe\u6642\u66f4\u4e7e\u6de8\u3002\u6bcf\u6b21\u4f60\u70ba\u4e86\u65b0\u589e\u529f\u80fd\u6216\u4fee\u5fa9\u932f\u8aa4\u800c\u89f8\u78b0\u6a94\u6848\u6642\uff0c\u90fd\u7a0d\u5fae\u6539\u5584\u4e00\u4e0b\u7d50\u69cb\u3002\u63d0\u53d6\u4e00\u500b\u65b9\u6cd5\u3001\u91cd\u65b0\u547d\u540d\u8b8a\u6578\uff0c\u6216\u5c07\u985e\u5225\u79fb\u52d5\u5230\u66f4\u5408\u9069\u7684\u4f4d\u7f6e\u3002\u5fae\u5c0f\u800c\u6301\u7e8c\u7684\u6539\u9032\uff0c\u80fd\u9632\u6b62\u5927\u898f\u6a21\u6280\u8853\u50b5\u7684\u7d2f\u7a4d\u3002<\/p>\n<h3>2. 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