{"id":305139,"date":"2024-05-20T19:38:53","date_gmt":"2024-05-20T11:38:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/305139.html"},"modified":"2024-05-20T19:39:13","modified_gmt":"2024-05-20T11:39:13","slug":"effective-c-%e8%bf%99%e6%9c%ac%e4%b9%a6%e7%9a%84%e4%b8%ad%e6%96%87%e5%90%8d%e5%ba%94%e8%af%a5%e8%af%91%e4%b8%ba%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/305139.html","title":{"rendered":"Effective C \u8fd9\u672c\u4e66\u7684\u4e2d\u6587\u540d\u5e94\u8be5\u8bd1\u4e3a\u4ec0\u4e48"},"content":{"rendered":"

\"Effective<\/p>\n

\u300aEffective C\u300b\u8fd9\u672c\u4e66\u7684\u4e2d\u6587\u540d\u5e94\u8be5\u8bd1\u4e3a\u300a\u9ad8\u6548C\u8bed\u8a00\u7f16\u7a0b\u300b\u3001\u300aC\u8bed\u8a00\u7f16\u7a0b\u6548\u679c\u300b\u6216\u300aC\u8bed\u8a00\u7f16\u7a0b\u5b9e\u8df5\u300b\u3002\u8fd9\u91cc\uff0c\u201c\u9ad8\u6548\u201d\u5f3a\u8c03\u7684\u662fC\u7f16\u7a0b\u7684\u6548\u7387\u548c\u6027\u80fd\u4f18\u5316\uff0c\u201c\u6548\u679c\u201d\u5219\u5f3a\u8c03\u5b9e\u9645\u7f16\u7a0b\u4e2d\u7684\u6210\u6548\u548c\u5b9e\u8df5\uff0c\u201c\u5b9e\u8df5\u201d\u6307\u5411\u7684\u662f\u7f16\u7a0b\u7684\u5e94\u7528\u548c\u64cd\u4f5c\u65b9\u9762\u3002\u56e0\u4e3a\u672c\u4e66\u6df1\u5165\u8bb2\u89e3\u4e86\u5982\u4f55\u5728C\u8bed\u8a00\u7f16\u7a0b\u4e2d\u5199\u51fa\u7b80\u6d01\u3001\u53ef\u7ef4\u62a4\u548c\u9ad8\u6548\u7684\u4ee3\u7801\uff0c<\/strong>\u300a\u9ad8\u6548C\u8bed\u8a00\u7f16\u7a0b\u300b<\/strong> \u4f5c\u4e3a\u4e2d\u6587\u8bd1\u540d\uff0c\u66f4\u80fd\u4f53\u73b0\u4e66\u4e2d\u5185\u5bb9\u7684\u6838\u5fc3\u4ef7\u503c\uff0c\u4e5f\u66f4\u4fbf\u4e8e\u8bfb\u8005\u7406\u89e3\u672c\u4e66\u7684\u4e3b\u65e8\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u672c\u4e66\u6982\u8ff0<\/h2>\n<\/p>\n

\u300aEffective C\u300b<\/strong> \u662f\u4e00\u672c\u4e13\u6ce8\u4e8eC\u8bed\u8a00\u7f16\u7a0b\u6280\u5de7\u4e0e\u6700\u4f73\u5b9e\u8df5\u7684\u4e66\u7c4d\uff0c\u5177\u6709\u5f88\u9ad8\u7684\u5b9e\u7528\u6027\u548c\u6307\u5bfc\u6027\u3002\u5b83\u4e0d\u4ec5\u4ec5\u4ecb\u7ecd\u4e86C\u8bed\u8a00\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u66f4\u91cd\u8981\u7684\u662f\u9610\u8ff0\u4e86\u5982\u4f55\u9ad8\u6548\u5730\u4f7f\u7528C\u8bed\u8a00\u8fdb\u884c\u7f16\u7a0b\u3002\u672c\u4e66\u63a2\u8ba8\u4e86\u5982\u4f55\u901a\u8fc7\u5177\u4f53\u5b9e\u4f8b\u6765\u4f18\u5316\u4ee3\u7801\u7ed3\u6784\u548c\u6027\u80fd\uff0c\u4ee5\u53ca\u5982\u4f55\u907f\u514d\u5e38\u89c1\u7684\u7f16\u7a0b\u9677\u9631\uff0c\u8fd9\u4e9b\u5185\u5bb9\u5bf9\u4e8e\u521d\u5b66\u8005\u548c\u6709\u7ecf\u9a8c\u7684\u7a0b\u5e8f\u5458\u6765\u8bf4\u90fd\u662f\u5b9d\u8d35\u7684\u8d44\u6e90\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4e3a\u4f55\u79f0\u4e4b\u4e3a"\u9ad8\u6548"<\/h2>\n<\/p>\n

\u5728C\u8bed\u8a00\u7f16\u7a0b\u4e2d\uff0c\u201c\u9ad8\u6548\u201d\u4e0d\u4ec5\u4ec5\u6307\u4ee3\u7801\u7684\u6267\u884c\u901f\u5ea6\uff0c\u5b83\u8fd8\u5305\u62ec\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3001\u53ef\u6269\u5c55\u6027\u4ee5\u53ca\u5b89\u5168\u6027<\/strong>\u3002\u9ad8\u6548\u7684C\u4ee3\u7801\u65e8\u5728\u4e3a\u540e\u7eed\u7684\u4ee3\u7801\u4fee\u6539\u3001\u6269\u5c55\u4ee5\u53ca\u8c03\u8bd5\u63d0\u4f9b\u4fbf\u5229\u3002\u8fd9\u4e5f\u662f\u4f5c\u8005\u5f3a\u8c03\u5b9e\u7528\u7f16\u7a0b\u6280\u5de7<\/strong>\u548c\u6700\u4f73\u5b9e\u8df5<\/strong>\u7684\u7f18\u6545\u3002\u7528\u201c\u9ad8\u6548\u201d\u53bb\u4fee\u9970C\u8bed\u8a00\u7f16\u7a0b\uff0c\u6db5\u76d6\u4e86\u5176\u4e2d\u7684\u8fd9\u79cd\u5168\u9762\u8003\u91cf\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5b66\u4e60C\u8bed\u8a00\u7684\u6838\u5fc3\u8981\u70b9<\/h2>\n<\/p>\n

\u5b66\u4e60C\u8bed\u8a00\uff0c\u4e0d\u4ec5\u9700\u8981\u638c\u63e1\u8bed\u8a00\u672c\u8eab\u7684\u8bed\u6cd5\u89c4\u5219\uff0c\u66f4\u5e94\u8be5\u7406\u89e3\u5176\u8bbe\u8ba1\u54f2\u5b66\u2014\u2014\u7b80\u6d01\u548c\u9ad8\u6548\u3002\u8fd9\u672c\u4e66\u8be6\u7ec6\u4ecb\u7ecd\u4e86C\u8bed\u8a00\u7684\u5404\u79cd\u7279\u6027\u5982\u6307\u9488\u3001\u5185\u5b58\u7ba1\u7406\u3001\u6570\u636e\u7ed3\u6784\u7b49\uff0c\u5e76\u4e14\u6559\u5bfc\u8bfb\u8005\u5982\u4f55\u5408\u7406\u4f7f\u7528\u8fd9\u4e9b\u7279\u6027<\/strong>\u6765\u7f16\u5199\u6548\u7387\u9ad8\u3001\u6613\u4e8e\u7406\u89e3\u4e0e\u7ef4\u62a4\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u5185\u5b58\u7ba1\u7406<\/h3>\n<\/p>\n

C\u8bed\u8a00\u7684\u5185\u5b58\u7ba1\u7406\u662f\u5b66\u4e60\u4e2d\u7684\u4e00\u4e2a\u91cd\u70b9\u3002\u4f5c\u8005\u4e0d\u4ec5\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528malloc\u548cfree\u7b49\u51fd\u6570\u8fdb\u884c\u5185\u5b58\u5206\u914d\u4e0e\u91ca\u653e\uff0c\u8fd8\u5f3a\u8c03\u4e86\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u548c\u91ce\u6307\u9488<\/strong>\u7b49\u95ee\u9898\u7684\u91cd\u8981\u6027\u3002\u8fd9\u5bf9\u4e8e\u4fdd\u969c\u7a0b\u5e8f\u7684\u7a33\u5b9a\u548c\u9ad8\u6548\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u6307\u9488\u548c\u6570\u7ec4<\/h3>\n<\/p>\n

\u6307\u9488\u662fC\u8bed\u8a00\u4e2d\u6700\u5f3a\u5927\u4e5f\u6700\u590d\u6742\u7684\u90e8\u5206\u4e4b\u4e00\u3002\u901a\u8fc7\u672c\u4e66\uff0c\u8bfb\u8005\u5c06\u5b66\u4f1a\u6b63\u786e\u7406\u89e3\u548c\u64cd\u4f5c\u6307\u9488<\/strong>\uff0c\u5c24\u5176\u662f\u5b83\u4eec\u4e0e\u6570\u7ec4\u7684\u5173\u7cfb\u3002\u4f5c\u8005\u8be6\u7ec6\u8bb2\u8ff0\u4e86\u6307\u9488\u7684\u7b97\u672f\u8fd0\u7b97\u3001\u6307\u9488\u548c\u591a\u7ef4\u6570\u7ec4\u7684\u5173\u7cfb\u7b49\u6df1\u5165\u5185\u5bb9\uff0c\u8fd9\u4e9b\u77e5\u8bc6\u662f\u6bcf\u4e2aC\u7a0b\u5e8f\u5458\u5fc5\u987b\u638c\u63e1\u7684\u3002<\/p>\n<\/p>\n

\u56db\u3001\u4e66\u4e2d\u5b9e\u4f8b\u5206\u6790<\/h2>\n<\/p>\n

\u300aEffective C\u300b<\/strong> \u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u7f16\u7a0b\u5b9e\u4f8b\uff0c\u8fd9\u4e9b\u6848\u4f8b\u4e0d\u4ec5\u5c55\u793a\u4e86\u5982\u4f55\u7f16\u5199\u4ee3\u7801\uff0c\u66f4\u91cd\u8981\u7684\u662f\u5c55\u793a\u4e86\u5982\u4f55\u7f16\u5199\u597d\u4ee3\u7801<\/strong>\u3002\u4f5c\u8005\u901a\u8fc7\u4e00\u7cfb\u5217\u5b9e\u4f8b\u8ba9\u8bfb\u8005\u4e86\u89e3\u5230\u4e0d\u540c\u7f16\u7a0b\u7b56\u7565\u548c\u6280\u5de7\u5bf9\u4ee3\u7801\u8d28\u91cf\u7684\u5f71\u54cd\u3002<\/p>\n<\/p>\n

\u4ee3\u7801\u53ef\u8bfb\u6027<\/h3>\n<\/p>\n

\u53ef\u8bfb\u6027\u662f\u8861\u91cf\u4ee3\u7801\u8d28\u91cf\u7684\u4e00\u4e2a\u91cd\u8981\u6807\u51c6\u3002\u4e66\u4e2d\u901a\u8fc7\u5b9e\u4f8b\u8bb2\u89e3\u4e86\u5982\u4f55\u7f16\u5199\u6613\u4e8e\u4ed6\u4eba\u9605\u8bfb\u548c\u7406\u89e3\u7684\u4ee3\u7801\u3002\u8fd9\u4e0d\u4ec5\u5305\u62ec\u4ee3\u7801\u683c\u5f0f\u548c\u547d\u540d\u89c4\u8303\uff0c\u4e5f\u5305\u62ec\u5982\u4f55\u7f16\u6392\u4ee3\u7801\u7ed3\u6784\u548c\u903b\u8f91\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n<\/p>\n

\u9519\u8bef\u5904\u7406<\/h3>\n<\/p>\n

\u9519\u8bef\u5904\u7406\u662f\u7a0b\u5e8f\u8bbe\u8ba1\u4e2d\u4e00\u9879\u57fa\u7840\u4f46\u53c8\u5e38\u88ab\u5ffd\u89c6\u7684\u90e8\u5206\u3002\u672c\u4e66\u901a\u8fc7\u5b9e\u4f8b\u8bb2\u89e3\u4e86\u5982\u4f55\u9ad8\u6548\u5730\u8fdb\u884c\u9519\u8bef\u68c0\u6d4b\u548c\u5904\u7406\uff0c\u8fd9\u6709\u52a9\u4e8e\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u7ed3\u8bed<\/h2>\n<\/p>\n

\u7efc\u5408\u4ee5\u4e0a\u5404\u65b9\u9762\uff0c\u300a\u9ad8\u6548C\u8bed\u8a00\u7f16\u7a0b\u300b<\/strong> \u5207\u4e2d\u4e86C\u8bed\u8a00\u7f16\u7a0b\u7684\u8981\u5bb3\uff1a\u5982\u4f55\u5229\u7528C\u7684\u7279\u6027\u7f16\u5199\u4f18\u79c0\u7684\u7a0b\u5e8f\u3002\u9009\u62e9\u8fd9\u6837\u7684\u4e2d\u6587\u8bd1\u540d\uff0c\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u8bfb\u8005\u5feb\u901f\u628a\u63e1\u4e66\u7684\u4e3b\u65e8\uff0c\u8fd8\u80fd\u8ba9\u8bfb\u8005\u5728\u5b9e\u8df5\u4e2d\u4f53\u4f1a\u5230\u6240\u8c13\u7684\u201c\u9ad8\u6548\u201d\u662f\u5982\u4f55\u5728C\u8bed\u8a00\u7f16\u7a0b\u4e2d\u4e00\u70b9\u4e00\u6ef4\u4f53\u73b0\u51fa\u6765\u7684\u3002<\/p>\n<\/p>\n

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

Q: \u8fd9\u672c\u4e66\u300aEffective C\u300b\u7684\u4e2d\u6587\u540d\u5e94\u8be5\u5982\u4f55\u7ffb\u8bd1\uff1f<\/strong>
\nA: "Effective C"\u8fd9\u672c\u4e66\u5728\u4e2d\u6587\u4e2d\u53ef\u4ee5\u7ffb\u8bd1\u4e3a"\u9ad8\u6548C\u7f16\u7a0b"\u6216\u8005"\u63d0\u5347C\u7f16\u7a0b\u6280\u5de7"\uff0c\u4ee5\u7a81\u51fa\u5176\u5185\u5bb9\u5173\u4e8e\u5982\u4f55\u66f4\u52a0\u9ad8\u6548\u5730\u4f7f\u7528C\u7f16\u7a0b\u8bed\u8a00\u7684\u7279\u70b9\u3002<\/p>\n

Q: \u6709\u4ec0\u4e48\u539f\u56e0\u53ef\u4ee5\u9009\u62e9\u5c06\u300aEffective C\u300b\u7ffb\u8bd1\u4e3a"\u9ad8\u6548C\u7f16\u7a0b"\uff1f<\/strong>
\nA: \u5c06\u300aEffective C\u300b\u7ffb\u8bd1\u4e3a"\u9ad8\u6548C\u7f16\u7a0b"\u7684\u539f\u56e0\u662f\u5b83\u5f3a\u8c03\u4e86C\u8bed\u8a00\u4e2d\u7684\u4e00\u4e9b\u6700\u4f73\u5b9e\u8df5\u548c\u9ad8\u6548\u7f16\u7a0b\u6280\u5de7\u3002\u8fd9\u672c\u4e66\u4e3b\u8981\u8bb2\u8ff0\u4e86\u5982\u4f55\u907f\u514d\u4e00\u4e9b\u5e38\u89c1\u7684\u7f16\u7a0b\u9519\u8bef\uff0c\u63d0\u9ad8\u7f16\u7a0b\u6548\u7387\uff0c\u4f18\u5316\u4ee3\u7801\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5b9e\u7528\u7684\u6280\u5de7\u548c\u5efa\u8bae\u3002\u56e0\u6b64\uff0c"\u9ad8\u6548C\u7f16\u7a0b"\u7ffb\u8bd1\u66f4\u52a0\u7b26\u5408\u5176\u5185\u5bb9\u548c\u76ee\u7684\u3002<\/p>\n

Q: "\u63d0\u5347C\u7f16\u7a0b\u6280\u5de7"\u4e3a\u4ec0\u4e48\u4e5f\u662f\u300aEffective C\u300b\u7684\u4e00\u4e2a\u9002\u5f53\u7684\u4e2d\u6587\u7ffb\u8bd1\uff1f<\/strong>
\nA: "\u63d0\u5347C\u7f16\u7a0b\u6280\u5de7"\u4e5f\u662f\u300aEffective C\u300b\u7684\u4e00\u4e2a\u9002\u5f53\u7684\u4e2d\u6587\u7ffb\u8bd1\uff0c\u56e0\u4e3a\u8fd9\u672c\u4e66\u786e\u5b9e\u63d0\u4f9b\u4e86\u8bb8\u591a\u6709\u7528\u7684\u6280\u5de7\u548c\u7b56\u7565\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8bfb\u8005\u63d0\u9ad8\u4ed6\u4eec\u7684C\u7f16\u7a0b\u6280\u80fd\u3002\u901a\u8fc7\u5b66\u4e60\u4e66\u4e2d\u7684\u5b9e\u4f8b\u548c\u5efa\u8bae\uff0c\u8bfb\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1C\u8bed\u8a00\u7684\u5404\u79cd\u7528\u6cd5\uff0c\u4ece\u800c\u5728\u7f16\u7a0b\u8fc7\u7a0b\u4e2d\u53d8\u5f97\u66f4\u52a0\u719f\u7ec3\u548c\u9ad8\u6548\u3002\u56e0\u6b64\uff0c"\u63d0\u5347C\u7f16\u7a0b\u6280\u5de7"\u7ffb\u8bd1\u53ef\u4ee5\u51c6\u786e\u5730\u4f20\u8fbe\u51fa\u8fd9\u672c\u4e66\u7684\u4e3b\u8981\u5185\u5bb9\u548c\u76ee\u6807\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u300aEffective C\u300b\u8fd9\u672c\u4e66\u7684\u4e2d\u6587\u540d\u5e94\u8be5\u8bd1\u4e3a\u300a\u9ad8\u6548C\u8bed\u8a00\u7f16\u7a0b\u300b\u3001\u300aC\u8bed\u8a00\u7f16\u7a0b\u6548\u679c\u300b\u6216\u300aC\u8bed\u8a00\u7f16\u7a0b\u5b9e\u8df5\u300b\u3002\u8fd9 […]","protected":false},"author":3,"featured_media":305168,"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\/305139"}],"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=305139"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/305139\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/305168"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=305139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=305139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=305139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}