{"id":314338,"date":"2024-05-20T23:30:35","date_gmt":"2024-05-20T15:30:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/314338.html"},"modified":"2024-05-20T23:30:45","modified_gmt":"2024-05-20T15:30:45","slug":"c-%e8%af%ad%e8%a8%80%e4%b8%ad%e5%8f%af%e7%94%a8%e7%9a%84%e5%80%bc%e7%b1%bb%e5%9e%8b%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/314338.html","title":{"rendered":"C \u8bed\u8a00\u4e2d\u53ef\u7528\u7684\u503c\u7c7b\u578b\u6709\u54ea\u4e9b"},"content":{"rendered":"

\"C<\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0c\u53ef\u7528\u7684\u503c\u7c7b\u578b\u4e3b\u8981\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u3001\u679a\u4e3e\u7c7b\u578b\u3001\u7ed3\u6784\u4f53\u7c7b\u578b\u4ee5\u53ca\u8054\u5408\u4f53\u7c7b\u578b<\/strong>\u3002\u57fa\u672c\u7c7b\u578b\u662fC\u8bed\u8a00\u7f16\u7a0b\u4e2d\u6700\u57fa\u7840\u540c\u65f6\u4e5f\u662f\u6700\u5e7f\u6cdb\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u4eec\u5305\u62ec\u6574\u578b\u3001\u6d6e\u70b9\u578b\u3001\u5b57\u7b26\u578b\u548c\u53cc\u7cbe\u5ea6\u7c7b\u578b\u3002\u6574\u578b<\/strong>\u662f\u7528\u6765\u8868\u793a\u6574\u6570\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u77ed\u6574\u578b\uff08short\uff09\u3001\u666e\u901a\u6574\u578b\uff08int\uff09\u3001\u957f\u6574\u578b\uff08long\uff09\u548c\u957f\u957f\u6574\u578b\uff08long long\uff09\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u8303\u56f4\u548c\u5b58\u50a8\u5927\u5c0f\u7684\u6574\u6570\u8868\u793a\u9700\u6c42\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u57fa\u672c\u7c7b\u578b<\/strong><\/h3>\n<\/p>\n

\u57fa\u672c\u7c7b\u578b\u662f\u6784\u6210C\u8bed\u8a00\u4e2d\u5176\u4ed6\u590d\u6742\u6570\u636e\u7c7b\u578b\u7684\u57fa\u77f3\u3002\u5b83\u4eec\u5305\u62ec\u6574\u578b\u3001\u6d6e\u70b9\u578b\u548c\u5b57\u7b26\u578b\u7b49\uff0c\u662fC\u8bed\u8a00\u4e2d\u6700\u57fa\u672c\u7684\u6570\u636e\u8868\u793a\u65b9\u5f0f\u3002\u57fa\u672c\u7c7b\u578b\u53ef\u4ee5\u5b58\u50a8\u6570\u5b57\u3001\u5b57\u7b26\u548c\u6d6e\u70b9\u6570\u7b49\u6570\u636e\uff0c\u662f\u8fdb\u884c\u7b97\u672f\u8fd0\u7b97\u548c\u903b\u8f91\u8fd0\u7b97\u7684\u57fa\u672c\u5355\u4f4d\u3002<\/p>\n<\/p>\n

\u6574\u578b\u5728C\u8bed\u8a00\u4e2d\u6709\u4e0d\u540c\u7684\u53d8\u79cd\uff0c\u5305\u62ecint<\/code>\u3001short<\/code>\u3001long<\/code>\u548clong long<\/code>\u3002\u8fd9\u4e9b\u7c7b\u578b\u7528\u4e8e\u5b58\u50a8\u6574\u6570\uff0c\u4f46\u5b83\u4eec\u7684\u5b58\u50a8\u5927\u5c0f\u548c\u8868\u793a\u7684\u6570\u503c\u8303\u56f4\u5404\u4e0d\u76f8\u540c\u3002\u4f8b\u5982\uff0cint<\/code>\u901a\u5e38\u7528\u4e8e\u5b58\u50a8\u6807\u51c6\u5927\u5c0f\u7684\u6574\u6570\uff0c\u800clong long<\/code>\u7528\u4e8e\u5b58\u50a8\u66f4\u5927\u8303\u56f4\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n

\u6d6e\u70b9\u7c7b\u578b\u5305\u62ecfloat<\/code>\u548cdouble<\/code>\uff0c\u7528\u4e8e\u8868\u793a\u5c0f\u6570\u70b9\u53ef\u4ee5\u79fb\u52a8\u7684\u6570\uff0c\u5373\u6d6e\u70b9\u6570\u3002float<\/code>\u7c7b\u578b\u5360\u7528\u5185\u5b58\u7a7a\u95f4\u8f83\u5c0f\uff0c\u7cbe\u5ea6\u4e5f\u8f83\u4f4e\uff1b\u800cdouble<\/code>\u7c7b\u578b\u5219\u5360\u7528\u66f4\u591a\u5185\u5b58\u7a7a\u95f4\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u7cbe\u5ea6\u3002<\/p>\n<\/p>\n

\u5b57\u7b26\u7c7b\u578bchar<\/code>\u7528\u4e8e\u5b58\u50a8\u5355\u4e2a\u5b57\u7b26\u3002\u5728C\u8bed\u8a00\u4e2d\uff0c\u5b57\u7b26\u5b9e\u9645\u4e0a\u662f\u901a\u8fc7\u6574\u6570\u6765\u8868\u793a\u7684\uff0c\u8fd9\u610f\u5473\u7740char<\/code>\u7c7b\u578b\u540c\u65f6\u4e5f\u53ef\u4ee5\u88ab\u5f53\u4f5c\u4e00\u79cd\u7279\u6b8a\u7684\u6574\u578b\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u679a\u4e3e\u7c7b\u578b<\/strong><\/h3>\n<\/p>\n

\u679a\u4e3e\u7c7b\u578b\u662f\u4e00\u79cd\u7528\u6237\u81ea\u5b9a\u4e49\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u5141\u8bb8\u7f16\u7a0b\u8005\u4e3a\u6574\u578b\u503c\u5206\u914d\u6613\u4e8e\u7406\u89e3\u548c\u8bb0\u5fc6\u7684\u540d\u5b57\u3002\u679a\u4e3e\u7c7b\u578b\u7684\u5b9a\u4e49\u4f7f\u7528\u5173\u952e\u5b57enum<\/code>\uff0c\u5176\u76ee\u7684\u4e3b\u8981\u662f\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6613\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n

\u679a\u4e3e\u7684\u6bcf\u4e2a\u6210\u5458\u90fd\u5bf9\u5e94\u4e00\u4e2a\u6574\u578b\u503c\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u7b2c\u4e00\u4e2a\u679a\u4e3e\u6210\u5458\u7684\u503c\u4e3a0\uff0c\u540e\u7eed\u6bcf\u4e2a\u6210\u5458\u7684\u503c\u4f9d\u6b21\u9012\u589e\u3002\u4f46\u662f\uff0c\u4e5f\u53ef\u4ee5\u5728\u5b9a\u4e49\u679a\u4e3e\u7c7b\u578b\u65f6\u663e\u5f0f\u6307\u5b9a\u6210\u5458\u7684\u503c\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u7ed3\u6784\u4f53\u7c7b\u578b<\/strong><\/h3>\n<\/p>\n

\u7ed3\u6784\u4f53\u7c7b\u578b\u662f\u4e00\u79cd\u590d\u6742\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5b83\u5141\u8bb8\u5c06\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u9879\u7ec4\u7ec7\u6210\u4e00\u4e2a\u5355\u4e00\u5b9e\u4f53\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u4e3b\u8981\u76ee\u7684\u662f\u7528\u6765\u8868\u793a\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u5bf9\u8c61\u548c\u4e8b\u7269\uff0c\u6bd4\u5982\u4e00\u4e2a\u4eba\u7684\u59d3\u540d\u3001\u5e74\u9f84\u548c\u6027\u522b\u53ef\u4ee5\u7ec4\u5408\u5728\u4e00\u4e2a\u7ed3\u6784\u4f53\u4e2d\u3002<\/p>\n<\/p>\n

\u5728\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53\u7c7b\u578b\u65f6\uff0c\u9700\u8981\u4f7f\u7528\u5173\u952e\u5b57struct<\/code>\u3002\u7ed3\u6784\u4f53\u7684\u6210\u5458\u53ef\u4ee5\u662f\u57fa\u672c\u7c7b\u578b\u3001\u6570\u7ec4\u3001\u6307\u9488\u751a\u81f3\u662f\u5176\u4ed6\u7ed3\u6784\u4f53\u3002\u7ed3\u6784\u4f53\u63d0\u4f9b\u4e86\u4e00\u79cd\u5c06\u76f8\u5173\u6570\u636e\u7ec4\u7ec7\u5728\u4e00\u8d77\u7684\u9ad8\u6548\u65b9\u5f0f\uff0c\u4fbf\u4e8e\u7ba1\u7406\u548c\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u56db\u3001\u8054\u5408\u4f53\u7c7b\u578b<\/strong><\/h3>\n<\/p>\n

\u8054\u5408\u4f53\u7c7b\u578b\u4e0e\u7ed3\u6784\u4f53\u7c7b\u4f3c\uff0c\u90fd\u662f\u7531\u591a\u4e2a\u4e0d\u540c\u7684\u6570\u636e\u9879\u7ec4\u5408\u800c\u6210\u3002\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0c\u7ed3\u6784\u4f53\u7684\u6bcf\u4e2a\u6210\u5458\u5360\u6709\u81ea\u5df1\u7684\u5185\u5b58\u7a7a\u95f4\uff0c\u800c\u8054\u5408\u4f53\u7684\u6240\u6709\u6210\u5458\u5171\u4eab\u540c\u4e00\u5757\u5185\u5b58\u7a7a\u95f4\u3002<\/p>\n<\/p>\n

\u7531\u4e8e\u8054\u5408\u4f53\u7684\u6210\u5458\u5171\u4eab\u5185\u5b58\uff0c\u56e0\u6b64\u5728\u540c\u4e00\u65f6\u95f4\u5185\u53ea\u80fd\u5b58\u50a8\u4e00\u4e2a\u6210\u5458\u7684\u503c\u3002\u8054\u5408\u4f53\u4e3b\u8981\u7528\u5728\u8282\u7701\u5185\u5b58\u7a7a\u95f4\u548c\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u6570\u636e\u5171\u7528\u5185\u5b58\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\u8054\u5408\u4f53\u7684\u4f7f\u7528\u573a\u666f\u5305\u62ec\u6570\u636e\u7ed3\u6784\u7684\u7c7b\u578b\u8f6c\u6362\u3001\u7cfb\u7edf\u5e95\u5c42\u7f16\u7a0b\u4ee5\u53ca\u786c\u4ef6\u7f16\u7a0b\u7b49\u65b9\u9762\u3002\u901a\u8fc7\u5171\u4eab\u5185\u5b58\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7075\u6d3b\u5730\u64cd\u4f5c\u548c\u8f6c\u6362\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<\/p>\n

\u603b\u7ed3<\/strong><\/h3>\n<\/p>\n

C\u8bed\u8a00\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u503c\u7c7b\u578b\uff0c\u6db5\u76d6\u4e86\u57fa\u672c\u7c7b\u578b\u3001\u679a\u4e3e\u7c7b\u578b\u3001\u7ed3\u6784\u4f53\u7c7b\u578b\u4ee5\u53ca\u8054\u5408\u4f53\u7c7b\u578b\u3002\u8fd9\u4e9b\u6570\u636e\u7c7b\u578b\u4e3a\u89e3\u51b3\u4e0d\u540c\u7684\u7f16\u7a0b\u95ee\u9898\u548c\u573a\u666f\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u652f\u6301\u3002\u7406\u89e3\u548c\u719f\u7ec3\u5e94\u7528\u8fd9\u4e9b\u6570\u636e\u7c7b\u578b\u662f\u6210\u4e3a\u4e00\u540d\u5408\u683cC\u8bed\u8a00\u7a0b\u5e8f\u5458\u7684\u5fc5\u8981\u6761\u4ef6\u3002\u901a\u8fc7\u7efc\u5408\u8fd0\u7528\u8fd9\u4e9b\u7c7b\u578b\uff0c\u53ef\u4ee5\u6784\u5efa\u51fa\u529f\u80fd\u5f3a\u5927\u4e14\u9ad8\u6548\u7684C\u8bed\u8a00\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n

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

C \u8bed\u8a00\u4e2d\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u503c\u7c7b\u578b?<\/strong>
\nC \u8bed\u8a00\u4e3b\u8981\u5305\u542b\u4e00\u4e9b\u5e38\u89c1\u7684\u503c\u7c7b\u578b\uff0c\u5305\u62ec\u6574\u578b\uff08int\u3001short\u3001long\uff09\u3001\u6d6e\u70b9\u578b\uff08float\u3001double\uff09\u3001\u5b57\u7b26\u578b\uff08char\uff09\u4ee5\u53ca\u679a\u4e3e\u7c7b\u578b\uff08enum\uff09\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u8fd8\u6709\u5e03\u5c14\u7c7b\u578b\uff08bool\uff09\u3001\u4f4d\u7c7b\u578b\uff08bit\uff09\u3001\u6307\u9488\u7c7b\u578b\uff08pointer\uff09\u7b49\u3002\u8fd9\u4e9b\u503c\u7c7b\u578b\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u4e0d\u540c\u7684\u6570\u636e\uff0c\u6ee1\u8db3\u5404\u79cd\u9700\u6c42\u3002<\/p>\n

C \u8bed\u8a00\u4e2d\u7684\u503c\u7c7b\u578b\u7684\u5177\u4f53\u7279\u70b9\u662f\u4ec0\u4e48?<\/strong>
\n\u6574\u578b\u662f\u7528\u6765\u5b58\u50a8\u6574\u6570\u503c\u7684\uff0c\u6839\u636e\u9700\u6c42\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u957f\u5ea6\u7684\u6574\u578b\u53d8\u91cf\u6765\u5b58\u50a8\u4e0d\u540c\u8303\u56f4\u7684\u6574\u6570\u503c\u3002\u6d6e\u70b9\u578b\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u5c0f\u6570\u503c\uff0c\u6d6e\u70b9\u578b\u53d8\u91cf\u5177\u6709\u66f4\u9ad8\u7684\u7cbe\u5ea6\u4f46\u5360\u7528\u66f4\u591a\u7684\u5185\u5b58\u7a7a\u95f4\u3002\u5b57\u7b26\u578b\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u5355\u4e2a\u5b57\u7b26\uff0c\u6bcf\u4e2a\u5b57\u7b26\u90fd\u5bf9\u5e94\u4e00\u4e2a ASCII \u7801\u503c\u3002\u679a\u4e3e\u7c7b\u578b\u53ef\u4ee5\u7528\u6765\u5b9a\u4e49\u4e00\u7ec4\u6709\u9650\u7684\u53d6\u503c\uff0c\u901a\u8fc7\u679a\u4e3e\u5e38\u91cf\u6765\u8868\u793a\u4e0d\u540c\u7684\u53d6\u503c\u3002<\/p>\n

\u54ea\u79cd\u503c\u7c7b\u578b\u5728 C \u8bed\u8a00\u4e2d\u66f4\u5e38\u7528?<\/strong>
\n\u5728 C \u8bed\u8a00\u4e2d\uff0c\u6574\u578b\u548c\u6d6e\u70b9\u578b\u662f\u6700\u5e38\u7528\u7684\u503c\u7c7b\u578b\u3002\u6574\u578b\u53ef\u4ee5\u8868\u793a\u6574\u6570\uff0c\u9002\u7528\u4e8e\u5f88\u591a\u8ba1\u7b97\u548c\u5b58\u50a8\u9700\u6c42\uff0c\u800c\u6d6e\u70b9\u578b\u53ef\u4ee5\u8868\u793a\u5c0f\u6570\uff0c\u6ee1\u8db3\u5904\u7406\u9700\u8981\u66f4\u7cbe\u51c6\u8ba1\u7b97\u7684\u573a\u666f\u3002\u5b57\u7b26\u578b\u5728\u5904\u7406\u6587\u672c\u6216\u8005\u5b57\u7b26\u64cd\u4f5c\u65b9\u9762\u5e38\u7528\uff0c\u800c\u679a\u4e3e\u7c7b\u578b\u5219\u9002\u7528\u4e8e\u9700\u8981\u5b9a\u4e49\u6709\u9650\u53d6\u503c\u7684\u60c5\u51b5\u3002\u4e0d\u540c\u7684\u503c\u7c7b\u578b\u6839\u636e\u9700\u6c42\u9009\u62e9\u4f7f\u7528\uff0c\u6839\u636e\u5177\u4f53\u60c5\u51b5\uff0c\u6709\u65f6\u4e5f\u9700\u8981\u4f7f\u7528\u5176\u5b83\u7684\u503c\u7c7b\u578b\u6765\u6ee1\u8db3\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728C\u8bed\u8a00\u4e2d\uff0c\u53ef\u7528\u7684\u503c\u7c7b\u578b\u4e3b\u8981\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u3001\u679a\u4e3e\u7c7b\u578b\u3001\u7ed3\u6784\u4f53\u7c7b\u578b\u4ee5\u53ca\u8054\u5408\u4f53\u7c7b\u578b\u3002\u57fa\u672c\u7c7b\u578b\u662fC\u8bed\u8a00\u7f16\u7a0b\u4e2d\u6700\u57fa\u7840\u540c\u65f6 […]","protected":false},"author":3,"featured_media":314357,"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\/314338"}],"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=314338"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/314338\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/314357"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=314338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=314338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=314338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}