{"id":1878,"date":"2026-03-25T03:22:26","date_gmt":"2026-03-25T03:22:26","guid":{"rendered":"https:\/\/www.tech-posts.com\/tw\/refactoring-designs-better-structure-ooad\/"},"modified":"2026-03-25T03:22:26","modified_gmt":"2026-03-25T03:22:26","slug":"refactoring-designs-better-structure-ooad","status":"publish","type":"post","link":"https:\/\/www.tech-posts.com\/tw\/refactoring-designs-better-structure-ooad\/","title":{"rendered":"OOAD\u6307\u5357\uff1a\u91cd\u69cb\u8a2d\u8a08\u4ee5\u7372\u5f97\u66f4\u4f73\u7d50\u69cb"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Kawaii-style infographic summarizing software refactoring principles: SOLID principles, code smells identification, refactoring techniques, testing strategies, and technical debt management for better object-oriented design structure\" decoding=\"async\" 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\u63d0\u53d6\u8207\u63d0\u53d6\u65b9\u6cd5<\/h3>\n<p>\u6700\u57fa\u790e\u7684\u6280\u8853\u662f\u63d0\u53d6\u3002\u9019\u5305\u62ec\u5c07\u4e00\u6bb5\u7a0b\u5f0f\u78bc\u53d6\u51fa\u4e26\u79fb\u52d5\u5230\u65b0\u7684\u65b9\u6cd5\u6216\u985e\u5225\u4e2d\u3002\u4e3b\u8981\u597d\u8655\u662f\u964d\u4f4e\u539f\u59cb\u4f4d\u7f6e\u7684\u8907\u96dc\u5ea6\u3002<\/p>\n<ul>\n<li><strong>\u63d0\u53d6\u65b9\u6cd5\uff1a<\/strong>\u9078\u64c7\u4e00\u6bb5\u57f7\u884c\u55ae\u4e00\u64cd\u4f5c\u7684\u7a0b\u5f0f\u78bc\u3002\u5c07\u5176\u79fb\u81f3\u4e00\u500b\u5177\u6709\u63cf\u8ff0\u6027\u540d\u7a31\u7684\u65b0\u65b9\u6cd5\u4e2d\u3002\u9019\u4f7f\u539f\u59cb\u65b9\u6cd5\u66f4\u6613\u95b1\u8b80\uff0c\u4e14\u65b0\u65b9\u6cd5\u53ef\u91cd\u8907\u4f7f\u7528\u3002<\/li>\n<li><strong>\u63d0\u53d6\u985e\u5225\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u985e\u5225\u5177\u6709\u5f7c\u6b64\u4e0d\u76f8\u95dc\u7684\u8cac\u4efb\uff0c\u5247\u5efa\u7acb\u4e00\u500b\u65b0\u985e\u5225\u3002\u5c07\u76f8\u95dc\u7684\u6b04\u4f4d\u8207\u65b9\u6cd5\u79fb\u81f3\u65b0\u985e\u5225\u4e2d\u3002\u900f\u904e\u53c3\u8003\u9023\u7d50\u9019\u5169\u500b\u985e\u5225\u3002<\/li>\n<\/ul>\n<h3>2. \u91cd\u65b0\u547d\u540d\u8207\u6574\u7406<\/h3>\n<p>\u6e05\u6670\u5ea6\u662f\u4e00\u7a2e\u7d50\u69cb\u5c6c\u6027\u3002\u5982\u679c\u540d\u7a31\u4ee4\u4eba\u56f0\u60d1\uff0c\u8868\u793a\u7d50\u69cb\u6709\u554f\u984c\u3002\u91cd\u65b0\u547d\u540d\u4e0d\u50c5\u662f\u7f8e\u5b78\u4e0a\u7684\u8abf\u6574\uff0c\u66f4\u662f\u4e00\u7a2e\u5e6b\u52a9\u7406\u89e3\u7684\u8a8d\u77e5\u5de5\u5177\u3002<\/p>\n<ul>\n<li><strong>\u91cd\u65b0\u547d\u540d\u8b8a\u6578\uff1a<\/strong> \u66f4\u6539\u540d\u7a31\u4ee5\u53cd\u6620\u5176\u771f\u6b63\u7528\u9014\u3002\u5982\u679c\u4e00\u500b\u540d\u70ba<code>\u65d7\u6a19<\/code>\u7684\u8b8a\u6578\u7528\u4f86\u8ffd\u8e64\u7279\u5b9a\u72c0\u614b\uff0c\u5247\u61c9\u5c07\u5176\u91cd\u65b0\u547d\u540d\u70ba<code>isActive<\/code>.<\/li>\n<li><strong>\u91cd\u547d\u540d\u65b9\u6cd5\uff1a<\/strong> \u78ba\u4fdd\u65b9\u6cd5\u540d\u7a31\u6e96\u78ba\u63cf\u8ff0\u5176\u529f\u80fd\u3002\u907f\u514d\u4f7f\u7528\u50cf\u9019\u6a23\u7684\u901a\u7528\u540d\u7a31<code>processData<\/code>\uff0c\u6539\u7528<code>validateUserInput<\/code>.<\/li>\n<li><strong>\u91cd\u547d\u540d\u985e\u5225\uff1a<\/strong> \u985e\u5225\u540d\u7a31\u61c9\u4ee3\u8868\u5176\u6240\u5efa\u6a21\u7684\u5be6\u9ad4\u3002\u5982\u679c\u4e00\u500b\u985e\u5225\u7528\u65bc\u8a08\u7b97\u4f46\u547d\u540d\u70ba<code>Service<\/code>\uff0c\u8acb\u6539\u70ba<code>Calculator<\/code>.<\/li>\n<\/ul>\n<h3>3. \u79fb\u52d5\u8077\u8cac<\/h3>\n<p>\u901a\u5e38\uff0c\u529f\u80fd\u88ab\u653e\u7f6e\u5728\u932f\u8aa4\u7684\u4f4d\u7f6e\u3002\u5c07\u7a0b\u5f0f\u78bc\u79fb\u52d5\u5230\u9069\u7576\u7684\u985e\u5225\u4e2d\uff0c\u53ef\u63d0\u5347\u5167\u805a\u6027\u3002<\/p>\n<ul>\n<li><strong>\u79fb\u52d5\u65b9\u6cd5\uff1a<\/strong> \u5982\u679c\u4e00\u500b\u65b9\u6cd5\u4f7f\u7528\u53e6\u4e00\u500b\u985e\u5225\u7684\u8cc7\u6599\u591a\u65bc\u81ea\u8eab\u8cc7\u6599\uff0c\u5247\u61c9\u5c07\u5176\u79fb\u52d5\u3002\u9019\u53ef\u964d\u4f4e\u8026\u5408\u5ea6\u4e26\u63d0\u5347\u5167\u805a\u6027\u3002<\/li>\n<li><strong>\u79fb\u52d5\u6b04\u4f4d\uff1a<\/strong> \u8207\u79fb\u52d5\u65b9\u6cd5\u985e\u4f3c\uff0c\u5c07\u5c6c\u6027\u79fb\u52d5\u5230\u6700\u76f8\u95dc\u7684\u985e\u5225\u4e2d\u3002<\/li>\n<li><strong>\u5f15\u5165\u53c3\u6578\u7269\u4ef6\uff1a<\/strong> \u5982\u679c\u4e00\u500b\u65b9\u6cd5\u9700\u8981\u8a31\u591a\u53c3\u6578\uff0c\u53ef\u5c07\u5b83\u5011\u5408\u4f75\u70ba\u55ae\u4e00\u7269\u4ef6\u3002\u9019\u53ef\u7e2e\u77ed\u7c3d\u540d\u9577\u5ea6\u4e26\u63d0\u5347\u6e05\u6670\u5ea6\u3002<\/li>\n<\/ul>\n<h3>4. \u964d\u4f4e\u8907\u96dc\u5ea6<\/h3>\n<p>\u8907\u96dc\u7684\u908f\u8f2f\u6703\u63a9\u84cb\u610f\u5716\u3002\u91cd\u69cb\u61c9\u81f4\u529b\u65bc\u7c21\u5316\u689d\u4ef6\u7d50\u69cb\u8207\u8ff4\u5708\u3002<\/p>\n<ul>\n<li><strong>\u4ee5\u591a\u578b\u53d6\u4ee3\u689d\u4ef6\u5224\u65b7\uff1a<\/strong> \u4e0d\u61c9\u4f7f\u7528\u5927\u578b<code>if-else<\/code>\u6216<code>switch<\/code>\u8a9e\u53e5\u4f86\u6c7a\u5b9a\u884c\u70ba\uff0c\u61c9\u5efa\u7acb\u5b50\u985e\u5225\u4ee5\u4e0d\u540c\u65b9\u5f0f\u5be6\u4f5c\u884c\u70ba\u3002<\/li>\n<li><strong>\u4ee5\u5e38\u6578\u53d6\u4ee3\u9b54\u8853\u6578\u5b57\uff1a<\/strong>\u786c\u7de8\u78bc\u7684\u503c\u6703\u4f7f\u7a0b\u5f0f\u78bc\u8b8a\u5f97\u8106\u5f31\u3002\u5b9a\u7fa9\u5177\u6709\u610f\u7fa9\u7684\u540d\u7a31\u7684\u5e38\u6578\uff0c\u4ee5\u63d0\u5347\u53ef\u8b80\u6027\u3002<\/li>\n<li><strong>\u5167\u806f\u65b9\u6cd5\uff1a<\/strong> \u5982\u679c\u4e00\u500b\u65b9\u6cd5\u975e\u5e38\u7c21\u55ae\u4e14\u50c5\u88ab\u8abf\u7528\u4e00\u6b21\uff0c\u5247\u5c07\u5176\u4ee3\u78bc\u5167\u806f\u5230\u8abf\u7528\u8005\u4e2d\uff0c\u4ee5\u6d88\u9664\u4e0d\u5fc5\u8981\u7684\u9593\u63a5\u8abf\u7528\u3002<\/li>\n<\/ul>\n<h2>\ud83e\uddea \u5728\u91cd\u69cb\u904e\u7a0b\u4e2d\u78ba\u4fdd\u5b89\u5168<\/h2>\n<p>\u66f4\u6539\u4ee3\u78bc\u7d50\u69cb\u6703\u5e36\u4f86\u98a8\u96aa\u3002\u76ee\u6a19\u662f\u5728\u4e0d\u6539\u8b8a\u884c\u70ba\u7684\u60c5\u6cc1\u4e0b\u6539\u8b8a\u7d50\u69cb\u3002\u9019\u9700\u8981\u4e00\u500b\u5f37\u5927\u7684\u6e2c\u8a66\u7b56\u7565\u3002\u6c92\u6709\u6e2c\u8a66\uff0c\u91cd\u69cb\u5c31\u53ea\u662f\u4e00\u7a2e\u731c\u6e2c\u3002<\/p>\n<ul>\n<li><strong>\u56de\u6b78\u6e2c\u8a66\uff1a<\/strong> \u5728\u9032\u884c\u7d50\u69cb\u6027\u66f4\u6539\u4e4b\u524d\uff0c\u904b\u884c\u73fe\u6709\u7684\u6e2c\u8a66\u5957\u4ef6\u4ee5\u5efa\u7acb\u57fa\u7dda\u3002\u5982\u679c\u66f4\u6539\u524d\u5f8c\u6e2c\u8a66\u90fd\u901a\u904e\uff0c\u5247\u884c\u70ba\u4fdd\u6301\u4e0d\u8b8a\u3002<\/li>\n<li><strong>\u55ae\u5143\u6e2c\u8a66\uff1a<\/strong> \u5c08\u6ce8\u65bc\u6e2c\u8a66\u884c\u70ba\u7684\u5c0f\u55ae\u5143\u3002\u9019\u8b93\u4f60\u53ef\u4ee5\u9a57\u8b49\u63d0\u53d6\u7684\u65b9\u6cd5\u662f\u5426\u80fd\u7368\u7acb\u6b63\u78ba\u904b\u884c\u3002<\/li>\n<li><strong>\u6574\u5408\u6e2c\u8a66\uff1a<\/strong> \u78ba\u4fdd\u5728\u985e\u4e4b\u9593\u79fb\u52d5\u7d44\u4ef6\u4e0d\u6703\u7834\u58de\u7cfb\u7d71\u4e2d\u6578\u64da\u6d41\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<li><strong>\u81ea\u52d5\u5316\u6aa2\u67e5\uff1a<\/strong> \u4f7f\u7528\u975c\u614b\u5206\u6790\u5de5\u5177\u4f86\u6aa2\u6e2c\u8a2d\u8a08\u539f\u5247\u7684\u9055\u80cc\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5728\u554f\u984c\u767c\u751f\u524d\u6307\u51fa\u6f5b\u5728\u98a8\u96aa\u3002<\/li>\n<\/ul>\n<p> \u6e2c\u8a66\u5982\u540c\u5b89\u5168\u7db2\u3002\u5b83\u8b93\u958b\u767c\u8005\u6709\u4fe1\u5fc3\u9032\u884c\u5927\u81bd\u7684\u7d50\u69cb\u6027\u66f4\u6539\u3002\u9019\u5c07\u601d\u7dad\u5f9e\u300c\u5bb3\u6015\u7834\u58de\u300d\u8f49\u8b8a\u70ba\u300c\u5c0d\u6539\u9032\u5145\u6eff\u4fe1\u5fc3\u300d\u3002<\/p>\n<h2>\ud83d\udcb0 \u7ba1\u7406\u6280\u8853\u50b5\u52d9<\/h2>\n<p>\u91cd\u69cb\u65e2\u662f\u6280\u8853\u6c7a\u7b56\uff0c\u4e5f\u662f\u8ca1\u52d9\u6c7a\u7b56\u3002\u6bcf\u82b1\u4e00\u500b\u5c0f\u6642\u9032\u884c\u91cd\u69cb\uff0c\u5c31\u610f\u5473\u8457\u5c11\u4e86\u4e00\u500b\u5c0f\u6642\u7528\u65bc\u958b\u767c\u65b0\u529f\u80fd\u3002\u56e0\u6b64\uff0c\u6280\u8853\u50b5\u52d9\u5fc5\u9808\u6230\u7565\u6027\u5730\u7ba1\u7406\u3002<\/p>\n<ul>\n<li><strong>\u8b58\u5225\u9ad8\u5f71\u97ff\u5340\u57df\uff1a<\/strong> \u5c07\u91cd\u69cb\u91cd\u9ede\u653e\u5728\u7d93\u5e38\u8b8a\u66f4\u6216\u5305\u542b\u95dc\u9375\u908f\u8f2f\u7684\u6a21\u7d44\u4e0a\u3002\u4e0d\u8981\u5728\u7a69\u5b9a\u4e14\u4f4e\u98a8\u96aa\u7684\u4ee3\u78bc\u4e0a\u6d6a\u8cbb\u6642\u9593\u3002<\/li>\n<li><strong>\u7ae5\u5b50\u8ecd\u6cd5\u5247\uff1a<\/strong> \u8b93\u4ee3\u78bc\u6bd4\u4f60\u767c\u73fe\u6642\u66f4\u4e7e\u6de8\u3002\u7121\u8ad6\u4f55\u7a2e\u539f\u56e0\u63a5\u89f8\u5230\u6a94\u6848\u6642\uff0c\u90fd\u9032\u884c\u5fae\u5c0f\u7684\u91cd\u69cb\u4ee5\u6539\u5584\u5176\u7d50\u69cb\u3002<\/li>\n<li><strong>\u9810\u7b97\u91cd\u69cb\u6642\u9593\uff1a<\/strong> \u5728\u958b\u767c\u9031\u671f\u4e2d\u5206\u914d\u7279\u5b9a\u6642\u9593\u7528\u65bc\u7d50\u69cb\u6027\u6539\u9032\u3002\u5c07\u5176\u8996\u70ba\u5fc5\u505a\u4efb\u52d9\uff0c\u800c\u975e\u53ef\u6709\u53ef\u7121\u7684\u5962\u4f88\u3002<\/li>\n<li><strong>\u6e9d\u901a\u50f9\u503c\uff1a<\/strong> \u5411\u5229\u76ca\u76f8\u95dc\u8005\u89e3\u91cb\u70ba\u4f55\u91cd\u69cb\u662f\u5fc5\u8981\u7684\u3002\u5c07\u5176\u5b9a\u4f4d\u70ba\u98a8\u96aa\u964d\u4f4e\u548c\u672a\u4f86\u6548\u7387\u63d0\u5347\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u4ee3\u78bc\u6e05\u7406\u3002<\/li>\n<\/ul>\n<p> 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