{"id":24919,"date":"2023-04-17T15:21:49","date_gmt":"2023-04-17T07:21:49","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=24919"},"modified":"2023-07-30T23:21:18","modified_gmt":"2023-07-30T15:21:18","slug":"%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%e6%9e%84%e9%80%a0%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/24919.html","title":{"rendered":"\u6570\u636e\u7ed3\u6784\u6784\u9020\u6709\u54ea\u4e9b"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>\u6570\u636e\u7ed3\u6784\u6784\u9020\u6709\uff1a1\u3001\u6570\u7ec4\u7c7b\u578b\uff1b2\u3001\u7ed3\u6784\u4f53\u7c7b\u578b\uff1b3\u3001\u5171\u7528\u4f53\u7c7b\u578b\u3002\u5176\u4e2d\uff0c\u6570\u7ec4\u7c7b\u578b\u662f\u6709\u4e00\u5b9a\u987a\u5e8f\u5173\u7cfb\u7684\u82e5\u5e72\u53d8\u91cf\u7684\u4e00\u4e2a\u96c6\u5408\uff0c\u5176\u4e2d\u6bcf\u4e00\u4e2a\u53d8\u91cf\u6211\u4eec\u79f0\u4e3a\u6570\u7ec4\u7684\u5143\u7d20\uff0c\u5206\u4e3a\u4e00\u7ef4\u6570\u7ec4\u3001\u591a\u7ef4\u6570\u7ec4\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-24920\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/\u6dfb\u52a0\u6807\u9898-13-9.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/\u6dfb\u52a0\u6807\u9898-13-9.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/04\/\u6dfb\u52a0\u6807\u9898-13-9-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001\u6570\u636e\u7ed3\u6784\u6784\u9020<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"><strong>1<\/strong><strong>\u3001\u6570\u7ec4\u7c7b\u578b<\/strong><\/h3>\n<p>\u6570\u7ec4\u662f\u6709\u4e00\u5b9a\u987a\u5e8f\u5173\u7cfb\u7684\u82e5\u5e72\u53d8\u91cf\u7684\u4e00\u4e2a\u96c6\u5408\uff0c\u5176\u4e2d\u6bcf\u4e00\u4e2a\u53d8\u91cf\u6211\u4eec\u79f0\u4e3a\u6570\u7ec4\u7684\u5143\u7d20\uff0c\u5206\u4e3a\u4e00\u7ef4\u6570\u7ec4\u3001\u591a\u7ef4\u6570\u7ec4\u3002\u4e00\u7ef4\u6570\u7ec4\u6709\u4e00\u4e2a\u4e0b\u6807\u5c31\u80fd\u786e\u5b9a\u4f4d\u7f6e\u3002\u591a\u7ef4\u6570\u7ec4\u5143\u7d20\u6709\u591a\u4e2a\u4e0b\u6807\uff0c\u4ee5\u6807\u8bc6\u5b83\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e\u3002<\/p>\n<p>\u4e00\u7ef4\u6570\u7ec4<\/p>\n<p>\u5b9a\u4e49\uff1a&lt;\u6570\u636e\u7c7b\u578b&gt; &lt;\u6570\u7ec4\u540d&gt; &lt; [ ] &gt;\u00a0 \u4f8b\uff1aint\u00a0 i [10]\u3002\u521d\u59cb\u5316\u65b9\u6cd5\uff1a<\/p>\n<p>\u666e\u901a\u5c40\u90e8\u6570\u7ec4\u6ca1\u6709\u521d\u59cb\u5316\uff0c\u5219\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u503c\uff0c\u662f\u4e0d\u786e\u5b9a\u7684\u3002\u5168\u5c40\u6570\u7ec4\u6ca1\u6709\u521d\u59cb\u5316\u9ed8\u8ba4\u4e3a0\u3002<\/p>\n<p>\u5168\u90e8\u521d\u59cb\u5316\uff0c\u7ed9\u6bcf\u4e00\u4f4d\u5143\u7d20\u5199\u503c\uff0c\u4f8b\uff1aint\u00a0 i [5]={1,2,3,4,5};\u8fd8\u53ef\u4ee5\u5199\u6210 int\u00a0 i []={1,2,3,4,5};\u4e24\u79cd\u5199\u6cd5\u90fd\u662f5\u4e2a\u5143\u7d20\u3002<\/p>\n<p>\u5c40\u90e8\u521d\u59cb\u5316\uff0c\u53ea\u7ed9\u6570\u7ec4\u91cc\u524d\u51e0\u4f4d\u521d\u59cb\u5316\uff0c\u4e0d\u5b8c\u5168\u521d\u59cb\u5316\uff0c\u4f59\u4e0b\u7684\u5c31\u4f1a\u9ed8\u8ba4\u4e3a0\u3002\u4f8b\uff1aint\u00a0 i [5]={0};\u5269\u4e0b\u76844\u4f4d\u9ed8\u8ba4\u4e3a0\u3002int\u00a0 i [5]={1,2}; \u5269\u4e0b\u76843\u4f4d\u90fd\u4e3a0\u3002<\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4<\/p>\n<p>\u591a\u7ef4\u6570\u7ec4\u8981\u591a\u4e2a\u4e0b\u6807\uff0c\u4e8c\u7ef4\u6570\u7ec4\u6709\u4e24\u4e2a\u4e0b\u6807\uff0c\u624d\u80fd\u786e\u5b9a\u4f4d\u7f6e\u3002\u5b9a\u4e49: &lt;\u6570\u636e\u7c7b\u578b&gt; &lt;\u6570\u7ec4\u540d&gt; &lt; [ ] &gt;&lt; [ ] &gt;\u00a0 \u4f8b\uff1aint\u00a0 i [5][10]; \u53ef\u4ee5\u770b\u6210\u662f5\u4e2a\u4e00\u7ef4\u6570\u7ec4\uff0c\u6bcf\u4e2a\u4e00\u7ef4\u6570\u7ec410\u4e2a\u5143\u7d20\u3002\u521d\u59cb\u5316\u65b9\u5f0f\uff1a<\/p>\n<p>\u5168\u90e8\u521d\u59cb\u5316\uff0c\u4f8b\uff1aint\u00a0 i [2][3]={ {1,2,3},{1,2,3} };{}\u91cc\u6709\u4e24\u4e2a\u4e00\u7ef4\u6570\u7ec4\u3002\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\u3002\u8fd8\u53ef\u4ee5\u5199\u6210 int\u00a0 i [][3]={ {1,2,3},{1,2,3} };<\/p>\n<p>\u90e8\u5206\u521d\u59cb\u5316\uff1aint\u00a0 i [2][3]={ {1},{1} };\u7ed9\u4e2a\u6bcf\u4e2a\u7ed9\u524d\u97621\u4e2a\uff08\u6216\u591a\u4e2a\uff09\u5143\u7d20\u8d4b\u503c\uff0c\u540d\u5217\u524d\u8305\u4e2a\u4e00\u7ef4\u5269\u4e0b\u76843\u4e2a\u5143\u7d20\u9ed8\u8ba4\u4e3a0\uff0c\u7b2c\u4e8c\u4e2a\u4e5f\u662f\u3002<\/p>\n<p>\u7ebf\u6027\u8d4b\u503c\uff0c\u4f8b\uff1aint\u00a0 i [2][3]={1,2,3,1,2,3}; \u8fd9\u91cc\u6570\u7ec4\u5171\u67096\u4e2a\u5143\u7d20\uff0c\u91cc\u9762\u4e0d\u7528{}\u5206\u5f00\uff0c\u76f4\u63a5\u7ed9\u6bcf\u4f4d\u5143\u7d20\u8d4b\u503c\u3002<\/p>\n<p>\u7ebf\u6027\u90e8\u5206\u521d\u59cb\u5316\uff0c\u4f8b\uff1aint\u00a0 i [2][3]={1,2} ; \u5269\u4e0b\u76844\u4f4d\u5143\u7d20\u90fd\u9ed8\u8ba4\u4e3a0\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>2<\/strong><strong>\u3001\u7ed3\u6784\u4f53\u7c7b\u578b<\/strong><\/h3>\n<p>\u7ed3\u6784\u4f53\u662fC\u8bed\u8a00\u4e2d\u4e00\u79cd\u91cd\u8981\u7684\u6570\u636e\u7c7b\u578b\uff0c\u8be5\u6570\u636e\u7c7b\u578b\u7531\u4e00\u7ec4\u79f0\u4e3a\u6210\u5458\uff08\u6216\u79f0\u4e3a\u57df\uff0c\u6216\u79f0\u4e3a\u5143\u7d20\uff09\u7684\u4e0d\u540c\u6570\u636e\u7ec4\u6210\uff0c\u5176\u4e2d\u6bcf\u4e2a\u6210\u5458\u53ef\u4ee5\u5177\u6709\u4e0d\u540c\u7684\u7c7b\u578b\u3002\u7ed3\u6784\u4f53\u901a\u5e38\u7528\u6765\u8868\u793a\u7c7b\u578b\u4e0d\u540c\u4f46\u662f\u53c8\u76f8\u5173\u7684\u82e5\u5e72\u6570\u636e\u3002\u7ed3\u6784\u4f53\u7c7b\u578b\u4e0d\u662f\u7531\u7cfb\u7edf\u5b9a\u4e49\u597d\u7684\uff0c\u800c\u662f\u9700\u8981\u7a0b\u5e8f\u8bbe\u8ba1\u8005\u81ea\u5df1\u5b9a\u4e49\u7684\u3002C\u8bed\u8a00\u63d0\u4f9b\u4e86\u5173\u952e\u5b57struct\u6765\u6807\u8bc6\u6240\u5b9a\u4e49\u7684\u7ed3\u6784\u4f53\u7c7b\u578b\u3002<\/p>\n<p>\u5173\u952e\u5b57struct\u548c\u7ed3\u6784\u4f53\u540d\u7ec4\u5408\u6210\u4e00\u79cd\u7c7b\u578b\u6807\u8bc6\u7b26\uff0c\u5176\u5730\u4f4d\u5982\u540c\u901a\u5e38\u7684int\u3001char\u7b49\u7c7b\u578b\u6807\u8bc6\u7b26\uff0c\u5176\u7528\u9014\u5c31\u50cf int \u7c7b\u578b\u6807\u8bc6\u7b26\u6807\u8bc6\u6574\u578b\u53d8\u91cf\u4e00\u6837\u53ef\u4ee5\u7528\u6765\u5b9a\u4e49\u7ed3\u6784\u4f53\u53d8\u91cf\u3002\u5b9a\u4e49\u53d8\u91cf\u4ee5\u540e\uff0c\u8be5\u53d8\u91cf\u5c31\u53ef\u4ee5\u50cf\u5b9a\u4e49\u7684\u5176\u4ed6\u53d8\u91cf\u4e00\u6837\u4f7f\u7528\u4e86\uff1b\u6210\u5458\u53c8\u79f0\u4e3a\u6210\u5458\u53d8\u91cf\uff0c\u5b83\u662f\u7ed3\u6784\u4f53\u6240\u5305\u542b\u7684\u82e5\u5e72\u4e2a\u57fa\u672c\u7684\u7ed3\u6784\u7c7b\u578b\uff0c\u5fc5\u987b\u7528\u201c{}\u201d\u62ec\u8d77\u6765\uff0c\u5e76\u4e14\u8981\u4ee5\u5206\u53f7\u7ed3\u675f\uff0c\u6bcf\u4e2a\u6210\u5458\u5e94\u8868\u660e\u5177\u4f53\u7684\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>3<\/strong><strong>\u3001\u5171\u7528\u4f53\u7c7b\u578b<\/strong><\/h3>\n<p>\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u6570\u636e\u53ef\u4ee5\u4f7f\u7528\u5171\u540c\u7684\u5b58\u50a8\u533a\u57df\uff0c\u8fd9\u79cd\u6570\u636e\u6784\u9020\u7c7b\u578b\u79f0\u4e3a\u5171\u7528\u4f53\uff0c\u7b80\u79f0\u5171\u7528\uff0c\u53c8\u79f0\u8054\u5408\u4f53\u3002\u5171\u7528\u4f53\u5728\u5b9a\u4e49\u3001\u8bf4\u660e\u548c\u4f7f\u7528\u5f62\u5f0f\u4e0a\u4e0e\u7ed3\u6784\u4f53\u76f8\u4f3c\u3002\u4e24\u8005\u672c\u8d28\u4e0a\u7684\u4e0d\u540c\u4ec5\u5728\u4e8e\u4f7f\u7528\u5185\u5b58\u7684\u65b9\u5f0f\u4e0a\u3002<\/p>\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\uff1a<br \/><\/strong><\/p>\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001\u6570\u636e\u7ed3\u6784\u662f\u4ec0\u4e48<\/strong><\/h2>\n<p>\u6570\u636e\u7ed3\u6784\u662f\u8ba1\u7b97\u673a\u5b58\u50a8\u3001\u7ec4\u7ec7\u6570\u636e\u7684\u65b9\u5f0f\u3002\u6570\u636e\u7ed3\u6784\u662f\u6307\u76f8\u4e92\u4e4b\u95f4\u5b58\u5728\u4e00\u79cd\u6216\u591a\u79cd\u7279\u5b9a\u5173\u7cfb\u7684\u6570\u636e\u5143\u7d20\u7684\u96c6\u5408\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u7cbe\u5fc3\u9009\u62e9\u7684\u6570\u636e\u7ed3\u6784\u53ef\u4ee5\u5e26\u6765\u66f4\u9ad8\u7684\u8fd0\u884c\u6216\u8005\u5b58\u50a8\u6548\u7387\u3002 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