{"id":268668,"date":"2024-05-15T18:11:53","date_gmt":"2024-05-15T10:11:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/268668.html"},"modified":"2024-05-15T18:12:00","modified_gmt":"2024-05-15T10:12:00","slug":"c%e8%af%ad%e8%a8%80if-else-%e4%b8%8d%e6%89%a7%e8%a1%8c%e7%9a%84%e9%82%a3%e9%83%a8%e5%88%86%e4%bb%a3%e7%a0%81%e5%9c%a8%e5%86%85%e5%ad%98%e4%b8%ad%e5%ad%98%e5%9c%a8%e5%90%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/268668.html","title":{"rendered":"C\u8bed\u8a00if else \u4e0d\u6267\u884c\u7684\u90a3\u90e8\u5206\u4ee3\u7801\u5728\u5185\u5b58\u4e2d\u5b58\u5728\u5417"},"content":{"rendered":"

\"C\u8bed\u8a00if<\/p>\n

C\u8bed\u8a00\u4e2d\u7684if-else\u7ed3\u6784\u63a7\u5236\u7740\u6267\u884c\u6d41\u7a0b\uff0c\u4f46\u4e0d\u6267\u884c\u7684\u4ee3\u7801\u4ecd\u7136\u5b58\u5728\u4e8e\u7a0b\u5e8f\u7684\u5185\u5b58\u7a7a\u95f4\u4e2d\u3002\u5f53\u7a0b\u5e8f\u88ab\u7f16\u8bd1\u65f6\uff0c\u6240\u6709\u7684\u4ee3\u7801\uff0c\u5305\u62ecif\u548celse\u8bed\u53e5\u4e2d\u7684\u6240\u6709\u5206\u652f\uff0c\u90fd\u4f1a\u88ab\u8f6c\u6362\u6210\u673a\u5668\u8bed\u8a00\u5e76\u5b58\u50a8\u5728\u53ef\u6267\u884c\u6587\u4ef6\u4e2d\u3002\u4e0d\u8fc7\uff0c\u8fd0\u884c\u65f6\u90a3\u4e9b\u672a\u88ab\u9009\u4e2d\u6267\u884c\u7684\u5206\u652f\u4e0d\u4f1a\u88ab\u52a0\u8f7d\u5230CPU\u6267\u884c\u3001\u4e5f\u4e0d\u4f1a\u5360\u7528\u8fd0\u884c\u65f6\u5806\u6808\u6216\u5bc4\u5b58\u5668\u8d44\u6e90\uff0c\u4f46\u5b83\u4eec\u4ecd\u65e7\u5360\u636e\u7740\u7a0b\u5e8f\u5728\u78c1\u76d8\u4e0a\u7684\u5b58\u50a8\u7a7a\u95f4\u4ee5\u53ca\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u7684\u4ee3\u7801\u6bb5\u3002<\/p>\n<\/p>\n

\u5728\u6267\u884c\u65f6\uff0c\u6839\u636eif\u6761\u4ef6\u5224\u65ad\u7684\u7ed3\u679c\uff0cCPU\u4f1a\u8df3\u8f6c\u5230\u5bf9\u5e94\u7684\u4ee3\u7801\u5730\u5740\u6267\u884c\u76f8\u5e94\u7684\u6307\u4ee4\u3002\u672a\u88ab\u6267\u884c\u7684\u4ee3\u7801\u90e8\u5206\uff0c\u5c3d\u7ba1\u52a0\u8f7d\u5230\u4e86\u5185\u5b58\u4e2d\uff0c\u4f46\u4e0d\u4f1a\u5f71\u54cd\u7a0b\u5e8f\u5f53\u524d\u7684\u63a7\u5236\u6d41\u548c\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n<\/p>\n

\u4e00\u3001IF-ELSE \u7ed3\u6784\u7684\u7f16\u8bd1\u539f\u7406<\/h3>\n<\/p>\n

\u8981\u8be6\u7ec6\u4e86\u89e3\u672a\u6267\u884c\u4ee3\u7801\u662f\u5426\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u7406\u89e3C\u8bed\u8a00\u7684\u7f16\u8bd1\u8fc7\u7a0b\u548cif-else\u63a7\u5236\u7ed3\u6784\u3002<\/p>\n<\/p>\n

\u7f16\u8bd1\u8fc7\u7a0b\uff1a<\/strong><\/p>\n

C\u8bed\u8a00\u7f16\u8bd1\u5668\u5c06\u6e90\u4ee3\u7801\u8f6c\u5316\u4e3a\u673a\u5668\u7801\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u5c06\u6240\u6709\u6e90\u4ee3\u7801\uff0c\u5305\u62ec\u6240\u6709\u7684\u6761\u4ef6\u5224\u65ad\u548c\u76f8\u5e94\u5206\u652f\u4e2d\u7684\u4ee3\u7801\uff0c\u7f16\u8bd1\u4e3a\u4e00\u7cfb\u5217\u7684\u6307\u4ee4\u3002\u8fd9\u4e9b\u6307\u4ee4\u968f\u540e\u88ab\u6253\u5305\u6210\u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u3002\u5f53\u7a0b\u5e8f\u8fd0\u884c\u65f6\uff0c\u6574\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u6216\u5176\u5fc5\u8981\u90e8\u5206\u4f1a\u88ab\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5373\u4f7f\u67d0\u4e9b\u4ee3\u7801\u53ef\u80fd\u5728\u4efb\u4f55\u7ed9\u5b9a\u7684\u6267\u884c\u6d41\u7a0b\u4e2d\u90fd\u4e0d\u4f1a\u88ab\u5b9e\u9645\u6267\u884c\u3002<\/p>\n<\/p>\n

IF-ELSE \u63a7\u5236\u6d41\u7a0b\uff1a<\/strong><\/p>\n

\u5728if-else\u63a7\u5236\u7ed3\u6784\u4e2d\uff0c\u5f53\u6761\u4ef6\u5224\u65ad\u88ab\u6267\u884c\u540e\uff0c\u5982\u679c\u7ed3\u679c\u4e3atrue\uff0c\u5219\u6267\u884cif\u540e\u7684\u4ee3\u7801\u5757\uff1b\u5982\u679c\u7ed3\u679c\u4e3afalse\uff0c\u5219\u8df3\u8fc7if\u4ee3\u7801\u5757\uff0c\u5e76\u6267\u884celse\u540e\u7684\u4ee3\u7801\u5757\u3002\u7f16\u8bd1\u5668\u901a\u5e38\u4f1a\u4ea7\u751f\u8df3\u8f6c\u6307\u4ee4\u6765\u5b9e\u73b0\u8fd9\u4e00\u63a7\u5236\u6d41\u7a0b\u3002\u7a0b\u5e8f\u65e5\u5e38\u8fd0\u884c\u65f6\uff0c\u53ea\u6709\u7b26\u5408\u6761\u4ef6\u7684\u5206\u652f\u624d\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u7a0b\u5e8f\u7684\u5b58\u50a8\u7ed3\u6784<\/h3>\n<\/p>\n

\u6df1\u5165\u7406\u89e3\u4ee3\u7801\u5728\u5185\u5b58\u4e2d\u7684\u5b58\u5728\uff0c\u9700\u660e\u767d\u7a0b\u5e8f\u5178\u578b\u7684\u5185\u5b58\u5206\u914d\u3002<\/p>\n<\/p>\n

\u4ee3\u7801\u6bb5\uff08TEXT\u6bb5\uff09\uff1a<\/strong><\/p>\n

\u8fd9\u662f\u7a0b\u5e8f\u5185\u5b58\u4e2d\u5b58\u653e\u5df2\u7f16\u8bd1\u7a0b\u5e8f\u673a\u5668\u8bed\u8a00\u6307\u4ee4\u7684\u5730\u65b9\u3002\u65e0\u8bbaif\u8fd8\u662felse\u7684\u4ee3\u7801\uff0c\u53ea\u8981\u5b83\u4eec\u5b9a\u4e49\u5728\u7a0b\u5e8f\u4e2d\uff0c\u5c31\u4f1a\u5b58\u5728\u4e8e\u8fd9\u4e00\u6bb5\u5185\u5b58\u533a\u57df\u5185\u3002<\/p>\n<\/p>\n

\u6570\u636e\u6bb5\uff1a<\/strong><\/p>\n

\u7a0b\u5e8f\u4e2d\u5b9a\u4e49\u7684\u5168\u5c40\u53d8\u91cf\u548c\u9759\u6001\u53d8\u91cf\u5b58\u50a8\u5728\u6570\u636e\u6bb5\u3002\u8fd9\u4e9b\u6570\u636e\u5728\u7a0b\u5e8f\u6574\u4e2a\u751f\u547d\u5468\u671f\u5185\u90fd\u5b58\u5728\u3002<\/p>\n<\/p>\n

\u5806\uff08HEAP\uff09\uff1a<\/strong><\/p>\n

\u7528\u4e8e\u52a8\u6001\u5185\u5b58\u5206\u914d\uff0c\u5728\u7a0b\u5e8f\u8fd0\u884c\u65f6\u53ef\u4ee5\u4ece\u5806\u4e2d\u52a8\u6001\u5206\u914d\u6216\u91ca\u653e\u5185\u5b58\u3002<\/p>\n<\/p>\n

\u6808\uff08STACK\uff09\uff1a<\/strong><\/p>\n

\u7528\u4e8e\u5b58\u50a8\u5c40\u90e8\u53d8\u91cf\u548c\u51fd\u6570\u8c03\u7528\u65f6\u7684\u76f8\u5173\u4fe1\u606f\u3002\u6bcf\u5f53\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0c\u4e00\u4e2a\u65b0\u7684\u6808\u6862\u5c31\u4f1a\u88ab\u538b\u5165\u6808\u4e2d\u3002<\/p>\n<\/p>\n

\u4e09\u3001CPU\u6267\u884c\u6d41\u7a0b\u4e0e\u6307\u4ee4\u8df3\u8f6c<\/h3>\n<\/p>\n

\u4e86\u89e3CPU\u5982\u4f55\u5904\u7406if-else\u7ed3\u6784\u4ee5\u53ca\u672a\u6267\u884c\u4ee3\u7801\u5206\u652f\u7684\u5904\u7406\u65b9\u5f0f\u662f\u91cd\u8981\u7684\u3002<\/p>\n<\/p>\n

\u6307\u4ee4\u6267\u884c\uff1a<\/strong><\/p>\n

CPU\u6309\u7167\u7a0b\u5e8f\u8ba1\u6570\u5668\uff08PC\uff09\u4e2d\u6307\u5b9a\u7684\u5730\u5740\uff0c\u4ece\u4ee3\u7801\u6bb5\u9010\u6761\u6267\u884c\u6307\u4ee4\u3002\u7a0b\u5e8f\u8ba1\u6570\u5668\u7684\u503c\u4f1a\u5728\u6bcf\u6761\u6307\u4ee4\u6267\u884c\u540e\u66f4\u65b0\uff0c\u4ee5\u6307\u5411\u4e0b\u4e00\u6761\u5c06\u8981\u6267\u884c\u7684\u6307\u4ee4\u7684\u5730\u5740\u3002<\/p>\n<\/p>\n

\u5206\u652f\u8df3\u8f6c\uff1a<\/strong><\/p>\n

\u5f53CPU\u9047\u5230\u4e00\u4e2a\u6761\u4ef6\u8df3\u8f6c\u6307\u4ee4\u65f6\uff0c\u5b83\u4f1a\u6839\u636e\u6761\u4ef6\u5224\u65ad\u7684\u7ed3\u679c\u51b3\u5b9a\u662f\u7ee7\u7eed\u987a\u5e8f\u6267\u884c\u4e0b\u4e00\u6761\u6307\u4ee4\uff0c\u8fd8\u662f\u8df3\u8f6c\u5230if-else\u7ed3\u6784\u4e2delse\u90e8\u5206\u7684\u8d77\u59cb\u70b9\u6267\u884c\u3002\u8df3\u8fc7\u7684\u90a3\u90e8\u5206\u4ee3\u7801\u867d\u7136\u52a0\u8f7d\u5230\u4e86\u5185\u5b58\uff0c\u4f46\u662f\u4e0d\u53c2\u4e0e\u6267\u884c\uff0c\u4e0d\u6d88\u8017CPU\u8d44\u6e90\u3002<\/p>\n<\/p>\n

\u56db\u3001\u7a0b\u5e8f\u7684\u5185\u5b58\u5360\u7528\u4e0e\u4f18\u5316<\/h3>\n<\/p>\n

\u867d\u7136\u4e0d\u6267\u884c\u7684\u4ee3\u7801\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\uff0c\u4f46\u5b9e\u9645\u4e0a\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u4f18\u5316\u624b\u6bb5\u6765\u51cf\u5c11\u8fd9\u90e8\u5206\u4ee3\u7801\u7684\u5f71\u54cd\u3002<\/p>\n<\/p>\n

\u7a0b\u5e8f\u4f18\u5316\uff1a<\/strong><\/p>\n

\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u4f1a\u8fdb\u884c\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4f18\u5316\uff0c\u5982\u5220\u9664\u672a\u4f7f\u7528\u7684\u4ee3\u7801\uff08\u6b7b\u4ee3\u7801\uff09\u548c\u5185\u8054\u51fd\u6570\u8c03\u7528\u3002\u6b64\u5916\uff0c\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528\u5b8f\u548c\u51fd\u6570\u6307\u9488\u6765\u66ff\u4ee3\u5927\u91cf\u7684if-else\u7ed3\u6784\uff0c\u4ee5\u51cf\u5c11\u4ee3\u7801\u91cf\u548c\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u6761\u4ef6\u7f16\u8bd1\uff1a<\/strong><\/p>\n

\u5229\u7528\u9884\u5904\u7406\u6307\u4ee4\uff0c\u53ef\u4ee5\u5728\u7f16\u8bd1\u524d\u51b3\u5b9a\u662f\u5426\u5305\u542b\u7279\u5b9a\u7684\u4ee3\u7801\u5757\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u5904\u7406\u5e73\u53f0\u7279\u5b9a\u7684\u4ee3\u7801\u6216\u4ec5\u5728\u8c03\u8bd5\u6a21\u5f0f\u4e0b\u9700\u8981\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u7ed3\u8bba\u4e0e\u5b9e\u8df5<\/h3>\n<\/p>\n

\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u7f16\u7a0b\u4eba\u5458\u65f6\u5e38\u9700\u8981\u6743\u8861\u4ee3\u7801\u7684\u6e05\u6670\u6027\u4e0e\u6027\u80fd\u3002\u867d\u7136if-else\u7ed3\u6784\u7b80\u5355\u6613\u61c2\uff0c\u5374\u53ef\u80fd\u5bfc\u81f4\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5360\u7528\u548c\u6027\u80fd\u635f\u5931\u3002\u56e0\u6b64\uff0c\u5728\u8bbe\u8ba1\u7a0b\u5e8f\u7ed3\u6784\u65f6\uff0c\u5e94\u8003\u8651\u5230\u4ee3\u7801\u6267\u884c\u7684\u903b\u8f91\u8def\u5f84\uff0c\u907f\u514d\u590d\u6742\u548c\u6df1\u5c42\u7684\u5d4c\u5957\u6761\u4ef6\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u7684\u6548\u7387\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u5728\u603b\u7ed3\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u5b9a\uff0cC\u8bed\u8a00if-else\u7ed3\u6784\u4e2d\u4e0d\u6267\u884c\u7684\u4ee3\u7801\u786e\u5b9e\u5b58\u5728\u4e8e\u5185\u5b58\u4e2d\uff0c\u4f46\u5b83\u4e0d\u4f1a\u88abCPU\u5904\u7406\u5668\u6267\u884c\u6216\u5360\u7528\u9664\u4ee3\u7801\u6bb5\u4ee5\u5916\u7684\u5176\u4ed6\u8fd0\u884c\u65f6\u8d44\u6e90\u3002\u6df1\u5165\u7406\u89e3\u7f16\u8bd1\u548c\u6267\u884c\u8fc7\u7a0b\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u7684\u4ee3\u7801\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

FAQ 1: C\u8bed\u8a00\u4e2d\u7684if-else\u8bed\u53e5\u4e0d\u6267\u884c\u7684\u90a3\u90e8\u5206\u4ee3\u7801\u5728\u5185\u5b58\u4e2d\u5b58\u5728\u5417\uff1f<\/strong><\/p>\n

\u5f53if-else\u8bed\u53e5\u4e2d\u7684\u6761\u4ef6\u5224\u65ad\u4e3afalse\u65f6\uff0cif\u5185\u7684\u4ee3\u7801\u5757\u5c06\u4e0d\u4f1a\u88ab\u6267\u884c\uff0c\u800c\u662f\u76f4\u63a5\u6267\u884celse\u5185\u7684\u4ee3\u7801\u5757\u3002\u6267\u884cif-else\u8bed\u53e5\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u6761\u4ef6\u5224\u65ad\u6765\u786e\u5b9a\u6267\u884c\u54ea\u4e2a\u4ee3\u7801\u5757\u3002\u90a3\u4e48\uff0cif\u6761\u4ef6\u5224\u65ad\u4e3afalse\u65f6\uff0c\u539f\u672c\u5728if\u5185\u90e8\u7684\u4ee3\u7801\u5757\u662f\u5426\u5728\u5185\u5b58\u4e2d\u5b58\u5728\u5462\uff1f<\/p>\n

\u7b54\u6848\u662f\uff1a\u4e0d\u5b8c\u5168\u5b58\u5728\u3002\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\uff0c\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u6761\u4ef6\u5224\u65ad\u5bf9\u4ee3\u7801\u8fdb\u884c\u4f18\u5316\u3002\u5982\u679cif\u6761\u4ef6\u5224\u65ad\u4e3afalse\uff0c\u5e76\u4e14\u4e0d\u6d89\u53ca\u5230\u4efb\u4f55\u53d8\u91cf\u7684\u64cd\u4f5c\u6216\u5176\u4ed6\u526f\u4f5c\u7528\uff0c\u90a3\u4e48\u7f16\u8bd1\u5668\u901a\u5e38\u4f1a\u8ba4\u4e3aif\u5185\u7684\u4ee3\u7801\u5757\u662f\u591a\u4f59\u7684\uff0c\u76f4\u63a5\u4f18\u5316\u6389\u3002\u56e0\u6b64\uff0c\u5728\u5185\u5b58\u4e2d\u53ef\u80fd\u4e0d\u4f1a\u5206\u914dif\u5185\u7684\u4ee3\u7801\u5757\u6240\u9700\u8981\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679cif\u5185\u7684\u4ee3\u7801\u5757\u6d89\u53ca\u5230\u4e86\u53d8\u91cf\u64cd\u4f5c\u6216\u5176\u4ed6\u526f\u4f5c\u7528\uff08\u6bd4\u5982\u51fd\u6570\u8c03\u7528\u3001IO\u64cd\u4f5c\u7b49\uff09\uff0c\u5373\u4f7fif\u6761\u4ef6\u5224\u65ad\u4e3afalse\uff0c\u8be5\u90e8\u5206\u4ee3\u7801\u4ecd\u7136\u9700\u8981\u5728\u5185\u5b58\u4e2d\u5b58\u5728\u3002\u8fd9\u662f\u56e0\u4e3a\u8fd9\u4e9b\u4ee3\u7801\u53ef\u80fd\u5bf9\u7a0b\u5e8f\u7684\u8fd0\u884c\u7ed3\u679c\u4ea7\u751f\u5f71\u54cd\uff0c\u65e0\u6cd5\u88ab\u7f16\u8bd1\u5668\u4f18\u5316\u6389\u3002<\/p>\n

FAQ 2: C\u8bed\u8a00\u4e2d\u7684if-else\u8bed\u53e5\u6267\u884c\u65f6\u662f\u5426\u4f1a\u5360\u7528\u7a7a\u95f4\uff1f<\/strong><\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0cif-else\u8bed\u53e5\u662f\u63a7\u5236\u6d41\u8bed\u53e5\uff0c\u5b83\u7528\u4e8e\u6839\u636e\u6761\u4ef6\u5224\u65ad\u6765\u9009\u62e9\u4e0d\u540c\u7684\u6267\u884c\u8def\u5f84\u3002\u6267\u884cif-else\u8bed\u53e5\u65f6\uff0c\u4f1a\u6839\u636e\u6761\u4ef6\u5224\u65ad\u7684\u7ed3\u679c\u9009\u62e9\u6267\u884cif\u5185\u7684\u4ee3\u7801\u5757\u6216else\u5185\u7684\u4ee3\u7801\u5757\u3002<\/p>\n

\u4ece\u5185\u5b58\u89d2\u5ea6\u6765\u770b\uff0cif-else\u8bed\u53e5\u5e76\u4e0d\u4f1a\u5360\u7528\u8fc7\u591a\u7684\u7a7a\u95f4\u3002\u5728\u7f16\u8bd1\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u5bf9if-else\u8bed\u53e5\u8fdb\u884c\u4f18\u5316\uff0c\u53ea\u4fdd\u7559\u7b26\u5408\u6761\u4ef6\u5224\u65ad\u7684\u4ee3\u7801\u5757\uff0c\u4ece\u800c\u51cf\u5c11\u7a0b\u5e8f\u6240\u9700\u7684\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cif-else\u8bed\u53e5\u4e2d\u7684\u6761\u4ef6\u5224\u65ad\u548c\u4ee3\u7801\u5757\u672c\u8eab\u4f1a\u5360\u7528\u4e00\u5b9a\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u6761\u4ef6\u5224\u65ad\u901a\u5e38\u4f1a\u5360\u7528\u51e0\u4e2a\u5b57\u8282\u7684\u7a7a\u95f4\uff0c\u800c\u4ee3\u7801\u5757\u5219\u4f1a\u5360\u7528\u76f8\u5e94\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u4f46\u662f\uff0c\u8fd9\u4e9b\u5360\u7528\u7684\u7a7a\u95f4\u76f8\u8f83\u4e8e\u6574\u4e2a\u7a0b\u5e8f\u7684\u7a7a\u95f4\u6765\u8bf4\u901a\u5e38\u662f\u5fae\u4e0d\u8db3\u9053\u7684\u3002<\/p>\n

FAQ 3: C\u8bed\u8a00\u4e2d\u7684if-else\u8bed\u53e5\u4e0d\u6267\u884c\u7684\u90e8\u5206\u662f\u5426\u4f1a\u5bf9\u7a0b\u5e8f\u4ea7\u751f\u5f71\u54cd\uff1f<\/strong><\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0cif-else\u8bed\u53e5\u7528\u4e8e\u6839\u636e\u6761\u4ef6\u5224\u65ad\u6765\u9009\u62e9\u6267\u884c\u4e0d\u540c\u7684\u4ee3\u7801\u8def\u5f84\u3002\u5f53\u6761\u4ef6\u5224\u65ad\u4e3afalse\u65f6\uff0cif\u5185\u7684\u4ee3\u7801\u5757\u5c06\u4e0d\u4f1a\u88ab\u6267\u884c\uff0c\u800c\u662f\u76f4\u63a5\u6267\u884celse\u5185\u7684\u4ee3\u7801\u5757\u3002\u90a3\u4e48\uff0cif-else\u8bed\u53e5\u4e0d\u6267\u884c\u7684\u90e8\u5206\u662f\u5426\u4f1a\u5bf9\u7a0b\u5e8f\u4ea7\u751f\u5f71\u54cd\u5462\uff1f<\/p>\n

\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cif-else\u8bed\u53e5\u4e0d\u6267\u884c\u7684\u90e8\u5206\u4e0d\u4f1a\u5bf9\u7a0b\u5e8f\u4ea7\u751f\u5b9e\u8d28\u6027\u7684\u5f71\u54cd\u3002\u5728\u7f16\u8bd1\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u6839\u636e\u6761\u4ef6\u5224\u65ad\u5bf9\u4ee3\u7801\u8fdb\u884c\u4f18\u5316\uff0c\u53ea\u4fdd\u7559\u7b26\u5408\u6761\u4ef6\u5224\u65ad\u7684\u4ee3\u7801\u5757\uff0c\u4ece\u800c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6267\u884c\u6548\u7387\u3002\u56e0\u6b64\uff0c\u5982\u679cif-else\u8bed\u53e5\u4e2d\u4e0d\u6267\u884c\u7684\u90e8\u5206\u6ca1\u6709\u5bf9\u7a0b\u5e8f\u7684\u8fd0\u884c\u7ed3\u679c\u4ea7\u751f\u5f71\u54cd\u7684\u8bdd\uff0c\u7f16\u8bd1\u5668\u901a\u5e38\u4f1a\u5c06\u5176\u4f18\u5316\u6389\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679cif-else\u8bed\u53e5\u4e2d\u4e0d\u6267\u884c\u7684\u90e8\u5206\u6d89\u53ca\u5230\u4e86\u53d8\u91cf\u64cd\u4f5c\u6216\u5176\u4ed6\u526f\u4f5c\u7528\uff0c\u90a3\u4e48\u8fd9\u90e8\u5206\u4ee3\u7801\u53ef\u80fd\u4f1a\u5bf9\u7a0b\u5e8f\u4ea7\u751f\u5f71\u54cd\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5728if\u5185\u7684\u4ee3\u7801\u5757\u4e2d\u8fdb\u884c\u4e86\u67d0\u4e2a\u53d8\u91cf\u7684\u8d4b\u503c\u6216\u8ba1\u7b97\uff0c\u800c\u8fd9\u4e2a\u53d8\u91cf\u5728\u540e\u7eed\u7684\u4ee3\u7801\u4e2d\u88ab\u4f7f\u7528\u4e86\uff0c\u90a3\u4e48\u5373\u4f7fif\u6761\u4ef6\u5224\u65ad\u4e3afalse\uff0c\u8fd9\u90e8\u5206\u4ee3\u7801\u4ecd\u7136\u4f1a\u5bf9\u7a0b\u5e8f\u7684\u8fd0\u884c\u7ed3\u679c\u4ea7\u751f\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u5728\u7f16\u5199\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u6ce8\u610fif-else\u8bed\u53e5\u4e2d\u4e0d\u6267\u884c\u7684\u90e8\u5206\u662f\u5426\u4f1a\u5bf9\u540e\u7eed\u7684\u4ee3\u7801\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"C\u8bed\u8a00\u4e2d\u7684if-else\u7ed3\u6784\u63a7\u5236\u7740\u6267\u884c\u6d41\u7a0b\uff0c\u4f46\u4e0d\u6267\u884c\u7684\u4ee3\u7801\u4ecd\u7136\u5b58\u5728\u4e8e\u7a0b\u5e8f\u7684\u5185\u5b58\u7a7a\u95f4\u4e2d\u3002\u5f53\u7a0b\u5e8f\u88ab\u7f16\u8bd1\u65f6\uff0c\u6240\u6709\u7684\u4ee3 […]","protected":false},"author":3,"featured_media":268674,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/268668"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=268668"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/268668\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/268674"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=268668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=268668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=268668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}