{"id":62913,"date":"2026-01-20T22:33:52","date_gmt":"2026-01-20T14:33:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/62913.html"},"modified":"2026-01-20T22:33:52","modified_gmt":"2026-01-20T14:33:52","slug":"c%e8%af%ad%e8%a8%80%e6%b5%81%e7%a8%8b%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/62913.html","title":{"rendered":"C\u8bed\u8a00\u6d41\u7a0b\u63a7\u5236"},"content":{"rendered":"<h2>\u5206\u652f\u63a7\u5236&#xff1a;<\/h2>\n<h6>if \u5206\u652f<\/h6>\n<p>if(\u8868\u8fbe\u5f0f)\u00a0<\/p>\n<p>{<\/p>\n<p>\u00a0\u8bed\u53e5\u5757&#xff1b;<\/p>\n<p>}<\/p>\n<\/p>\n<p>if(\u8868\u8fbe\u5f0f)\u00a0<\/p>\n<p>{<\/p>\n<p>\u00a0\u8bed\u53e5\u57571&#xff1b;<\/p>\n<p>}<\/p>\n<p>else \u00a0<\/p>\n<p>{<\/p>\n<p>\u00a0\u8bed\u53e5\u57572&#xff1b;<\/p>\n<p>}<\/p>\n<ul>\n<li>\u8868\u8fbe\u5f0f&#xff1a;\u5173\u7cfb\u8868\u8fbe\u5f0f&#xff0c;\u903b\u8f91\u8868\u8fbe\u5f0f\u3002 \u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u662f \u771f(1)\/\u5047(0), \u975e0 \u5373\u4e3a\u771f\u3002<\/li>\n<li>if &#xff0c;\u5fc5\u987b\u6709\u8868\u8fbe\u5f0f\u3002 else \u540e\u4e0d\u52a0\u6761\u4ef6<\/li>\n<li>if \u540e\u9762\u53ef\u4ee5\u6ca1\u6709else &#xff0c;if\u53ef\u4ee5\u5355\u72ec\u51fa\u73b0\u3002 else\u4e0d\u80fd\u5355\u72ec\u51fa\u73b0&#xff0c;\u9700\u8981\u548cif\u914d\u5408\u4f7f\u7528\u3002<\/li>\n<li>if,\u6216\u8005else \u540e&#xff0c;\u90fd\u4f7f\u7528\u5927\u62ec\u53f7&#xff0c;\u5305\u542b\u4ee3\u7801(\u7a7a\u8bed\u53e5&#xff0c;\u4e00\u6761\u8bed\u53e5&#xff0c;\u591a\u6761\u8bed\u53e5)\u3002<\/li>\n<li>if(\u8868\u8fbe\u5f0f) \u540e\u9762&#xff0c;\u4e5f\u5c31\u662f\u8fd9\u4e00\u884c&#xff0c;\u6700\u540e\u4e0d\u8981\u52a0\u5206\u53f7\u3002<\/li>\n<\/ul>\n<p>\u4ea4\u6362\u4e24\u4e2a\u6570<\/p>\n<p>\u00a0tmp &#061; num1;<\/p>\n<p>\u00a0num1 &#061;num2;<\/p>\n<p>\u00a0num2 &#061; tmp;<\/p>\n<h6>\u9636\u68af\u5206\u652f<\/h6>\n<p>4 \u90091\u00a0<\/p>\n<p>if(\u8868\u8fbe\u5f0f1)<\/p>\n<p>{<\/p>\n<p>\u00a0\u8bed\u53e5\u57571&#xff1b;<\/p>\n<p>}<\/p>\n<p>else if(\u8868\u8fbe\u5f0f2)<\/p>\n<p>{<\/p>\n<p>\u8bed\u53e5\u57572&#xff1b;<\/p>\n<p>}<\/p>\n<p>else if(\u8868\u8fbe\u5f0f3)<\/p>\n<p>{<\/p>\n<p>\u8bed\u53e5\u57573&#xff1b;<\/p>\n<p>}<\/p>\n<p>else\u00a0<\/p>\n<p>{<\/p>\n<p>\u8bed\u53e5\u57574&#xff1b;<\/p>\n<p>}<\/p>\n<ul>\n<li>\u5148\u5224\u65ad\u8868\u8fbe\u5f0f1 &#xff0c;\u5982\u679c\u8868\u8fbe\u5f0f1\u4e3a\u771f&#xff0c;\u5219\u6267\u884c\u8bed\u53e5\u57571 \u3002 \u8bed\u53e5\u57571 \u6267\u884c\u5b8c&#xff0c;\u6574\u4e2aif \u7ed3\u675f\u3002<\/li>\n<li>\u5982\u679c\u8868\u8fbe\u662f1 \u4e3a\u5047&#xff0c;\u5c31\u5224\u65ad\u8868\u8fbe\u5f0f2 &#xff0c;\u5982\u679c\u4e3a\u771f&#xff0c;\u6267\u884c\u8bed\u53e5\u57572. \u8bed\u53e5\u57572 \u6267\u884c\u5b8c&#xff0c;\u6574\u4e2aif \u7ed3\u675f\u3002<\/li>\n<li>\u5982\u679c\u8868\u8fbe\u662f1&#xff0c;2 \u4e3a\u5047&#xff0c;\u5c31\u5224\u65ad\u8868\u8fbe\u5f0f3 &#xff0c;\u5982\u679c\u4e3a\u771f&#xff0c;\u6267\u884c\u8bed\u53e5\u57573. \u8bed\u53e5\u57573 \u6267\u884c\u5b8c&#xff0c;\u6574\u4e2aif \u7ed3\u675f\u3002<\/li>\n<li>\u5982\u679c\u8868\u8fbe\u5f0f1 &#xff0c;2,3\u90fd\u662f\u4e3a\u5047&#xff0c;\u5219\u6267\u884c\u8bed\u53e5\u57574.\u00a0<\/li>\n<\/ul>\n<p>\u6d41\u7a0b\u56fe\u7684\u793a\u4f8b<\/p>\n<h6><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"593\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260120143351-696f924f38573.jpg\" width=\"790\" \/>switch \u591a\u5206\u652f<\/h6>\n<p>\u8bed\u6cd5<\/p>\n<p>switch(\u6574\u5f62\u8868\u8fbe\u5f0f) \/\/ char ,int, long ,short<\/p>\n<p>{<\/p>\n<p>case \u5e38\u91cf1: \u8bed\u53e51&#xff1b;break;\u00a0<\/p>\n<p>case \u5e38\u91cf2: \u8bed\u53e52&#xff1b;break;<\/p>\n<p>case \u5e38\u91cf3: \u8bed\u53e53&#xff1b;break;<\/p>\n<p>default:<\/p>\n<p>\u00a0\u8bed\u53e54&#xff1b;<\/p>\n<p>}<\/p>\n<ul>\n<li>\u00a0switch \u540e\u9762\u5fc5\u987b\u662f\u4e00\u4e2a\u6574\u5f62\u8868\u8fbe\u5f0f&#xff0c;\u53d8\u91cf&#xff0c;<\/li>\n<li>\u00a0case \u540e\u9762\u5fc5\u987b &#xff0c;\u6574\u5f62\u5e38\u91cf<\/li>\n<li>\u00a0\u8868\u8fbe\u5f0f\u7684\u503c \u4f1a\u548c\u540e\u9762\u7684case &#xff0c;\u8fdb\u884c\u7b49\u503c\u6bd4\u8f83\u3002 \u5982\u679c\u7b49\u503c\u6bd4\u8f83\u6210\u529f&#xff0c;\u5c31\u6267\u884c\u5bf9\u5e94\u7684\u8bed\u53e5&#xff0c;\u76f4\u5230break\u4e3a\u6b62\u3002\u5982\u679c\u90fd\u6ca1\u6709\u7b49\u503c\u6bd4\u8f83\u4e3a\u771f\u7684\u60c5\u51b5\u3002\u90a3\u4e48\u5c31\u6267\u884cdefault; defult \u4e00\u822c\u653e\u5728\u6700\u540e\u3002 default \u4e0d\u662f\u5fc5\u987b\u6709\u7684\u3002<\/li>\n<li>switch \u5206\u652f\u53ef\u4ee5\u4f7f\u7528if\u66ff\u6362&#xff0c;\u53cd\u4e4b\u4e0d\u884c\u3002<\/li>\n<\/ul>\n<p>\u6d41\u7a0b\u56fe<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\" height=\"441\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/01\/20260120143351-696f924f620bf.jpg\" width=\"780\" \/><\/p>\n<h2>\u5faa\u73af\u63a7\u5236<\/h2>\n<ul>\n<li>\u9700\u8981\u91cd\u590d\u6267\u884c\u67d0\u6bb5\u4ee3\u7801&#xff0c;\u4f7f\u7528\u5faa\u73af<\/li>\n<li>\u6709\u89c4\u5f8b\u7684\u4ee3\u7801<\/li>\n<li>\u5982\u679c\u77e5\u9053\u5faa\u73af\u7684\u6b21\u6570&#xff0c; for<\/li>\n<li>\u4e0d\u786e\u5b9a\u5faa\u73af\u6b21\u6570&#xff0c;while<\/li>\n<\/ul>\n<h6>while\u8bed\u6cd5<\/h6>\n<p>int i;<\/p>\n<p>while(\u8868\u8fbe\u5f0f)\u00a0 \u00a0 \u00a0 \u00a0\/\/\u8868\u8fbe\u5f0f(\u5173\u7cfb&#xff0c;\u903b\u8f91)\u7684\u503c&#xff1a;\u00a0\u771f\/\u5047 &#xff0c; \u7c7b\u578b int\u00a0<\/p>\n<p>{<\/p>\n<p>\u00a0\u8bed\u53e5&#xff1b;<\/p>\n<p>} \/\/\u5faa\u73af\u4f53<\/p>\n<ul>\n<li>while \u4f1a\u5148\u5224\u8bfb \u8868\u8fbe\u5f0f\u7684\u503c&#xff0c;\u5982\u679c\u4e3a\u771f\u3002 \u63a7\u5236\u53d8\u91cf\u9700\u8981\u5148\u521d\u59cb\u5316\u3002<\/li>\n<li>\u6267\u884c\u5faa\u73af\u4f53<\/li>\n<li>\u5728\u5faa\u73af\u4f53\u4e2d&#xff0c;\u9700\u8981\u5305\u542b \u63a7\u5236\u53d8\u91cf&#xff0c;\u53d8\u5316\u7684\u8bed\u53e5\u3002\u6700\u7ec8\u5bfc\u81f4&#xff0c;\u5faa\u73af\u6761\u4ef6\u4e0d\u6ee1\u8db3\u3002<\/li>\n<\/ul>\n<p>\u6b7b\u5faa\u73af &#xff0c; \u4e00\u76f4\u8fd0\u884c\u7684\u5faa\u73af \u3002 51\u5355\u7247\u673a\u00a0<\/p>\n<p>while(1)<\/p>\n<p>{<\/p>\n<p>}<\/p>\n<h6>for<\/h6>\n<p>for(\u8868\u8fbe\u5f0f1;\u8868\u8fbe\u5f0f2;\u8868\u8fbe\u5f0f3) \/\/ \u8868\u8fbe\u5f0f1 :\u521d\u59cb\u5316(\u63a7\u5236\u53d8\u91cf&#xff0c;\u4e5f\u53ef\u4ee5\u6709\u5176\u4ed6\u7684\u521d\u59cb\u5316) \u8868\u8fbe\u5f0f2 :\u63a7\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u5236\u5faa\u73af\u662f\u5426\u7ee7\u7eed\u8fd0\u884c \u8868\u8fbe\u5f0f3 :\u5bf9\u63a7\u5236\u53d8\u91cf\u8fdb\u884c\u589e\u91cf\u63a7\u5236<\/p>\n<p>{<\/p>\n<p>\u00a0\u8bed\u53e5&#xff1b;<\/p>\n<p>}\/\/\u5faa\u73af\u4f53<\/p>\n<li>\u6267\u884c\u8868\u8fbe\u5f0f1\u00a0<\/li>\n<li>\u8ba1\u7b97\u8868\u8fbe\u5f0f2 &#xff0c;\u662f\u5426\u4e3a\u771f&#xff0c;\u5982\u679c\u4e3a\u771f&#xff0c;\u8fd0\u884c\u5faa\u73af\u4f53\u3002 \u4e3a\u5047&#xff0c;for \u5faa\u73af\u7ed3\u675f<\/li>\n<li>\u6267\u884c\u5faa\u73af\u4f53<\/li>\n<li>\u5728\u8ba1\u7b97\u8868\u8fbe\u5f0f3 &#xff0c;i &#xff0c;&#8211;i<\/li>\n<li>\u8df3\u8f6c\u5230\u7b2c2\u6b65<\/li>\n<p>for(;;) \/\/\u6b7b\u5faa\u73af &#xff0c;\u5faa\u73af\u4e00\u76f4\u8fd0\u884c<\/p>\n<p>{<\/p>\n<p>}<\/p>\n<p>\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<p>\u5faa\u73af\u4f53\u7684 &#xff0c;\u4e09\u8981\u7d20<\/p>\n<p>1.\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u7684\u521d\u59cb\u5316<\/p>\n<p>2 \u5faa\u73af\u4f53\u63a7\u5236\u6761\u4ef6\u00a0<\/p>\n<p>3.\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u7684 &#043;&#043; &#8212;<\/p>\n<p>for()\u00a0 while() \u5728\u5706\u62ec\u53f7\u540e&#xff0c;\u4e0d\u80fd\u52a0\u5206\u53f7 &#xff1b;<\/p>\n<h6>continue<\/h6>\n<p>continue\u4f1a\u5728\u5faa\u73af\u4e2d\u3002 \u8df3\u8fc7\u672c\u6b21\u5faa\u73af\u3002 \u5faa\u73af\u8fd8\u4f1a(\u5faa\u73af\u7684\u63a7\u5236\u6761\u4ef6\u4f9d\u7136\u4e3a\u771f)\u7ee7\u7eed\u3002<\/p>\n<p>int i &#061; 0 ;<\/p>\n<p>\u00a0 \u00a0 for(i&#061;1;i&lt;&#061;10;i&#043;&#043;)<\/p>\n<p>\u00a0 \u00a0 {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 if(5&#061;&#061;i ||6&#061;&#061;i)<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 continue;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 printf(&#034;%d\\\\n&#034;,i);<\/p>\n<p>\u00a0 \u00a0 }\/\/\u7ed3\u679c&#xff1a;123478910<\/p>\n<h6>break<\/h6>\n<p>break \u4f1a\u5728\u5faa\u73af\u4e2d&#xff0c;\u6216\u8005switch \u3002\u63d0\u524d\u7ed3\u675f\u5faa\u73af\u3002<\/p>\n<p>\u00a0for(i&#061;1;i&lt;&#061;10;i&#043;&#043;)<\/p>\n<p>\u00a0 \u00a0 {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 if(5i ||6i)<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 break;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 printf(&#034;%d\\\\n&#034;,i);<\/p>\n<p>\u00a0 \u00a0 }\/\/\u7ed3\u679c&#xff1a;1234<\/p>\n<\/p>\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u652f\u63a7\u5236&#xff1a;if \u5206\u652fif(\u8868\u8fbe\u5f0f)\u00a0{\u8bed\u53e5\u5757&#xff1b;}if(\u8868\u8fbe\u5f0f)\u00a0{\u8bed\u53e5\u57571&#xff1b;}else \u00a0{\u8bed\u53e5\u57572&#xff1b;}\u8868\u8fbe\u5f0f&#xff1a;\u5173\u7cfb\u8868\u8fbe\u5f0f&#xff0c;\u903b\u8f91\u8868\u8fbe\u5f0f\u3002 \u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u662f \u771f(1)\/\u5047(0), \u975e0 \u5373\u4e3a\u771f\u3002if &#xff0c;\u5fc5\u987b\u6709\u8868\u8fbe\u5f0f\u3002 else \u540e\u4e0d\u52a0\u6761\u4ef6if \u540e\u9762\u53ef\u4ee5\u6ca1\u6709else &#xff0c;if\u53ef\u4ee5\u5355\u72ec\u51fa\u73b0\u3002 else\u4e0d\u80fd\u5355\u72ec\u51fa\u73b0&#xff0c;\u9700\u8981\u548cif\u914d\u5408\u4f7f\u7528\u3002if,\u6216\u8005else \u540e&amp;#x<\/p>\n","protected":false},"author":2,"featured_media":62911,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[174,190,305,124],"topic":[],"class_list":["post-62913","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-190","tag-305","tag-124"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u8bed\u8a00\u6d41\u7a0b\u63a7\u5236 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/62913.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u8bed\u8a00\u6d41\u7a0b\u63a7\u5236 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u5206\u652f\u63a7\u5236&#xff1a;if \u5206\u652fif(\u8868\u8fbe\u5f0f)\u00a0{\u8bed\u53e5\u5757&#xff1b;}if(\u8868\u8fbe\u5f0f)\u00a0{\u8bed\u53e5\u57571&#xff1b;}else \u00a0{\u8bed\u53e5\u57572&#xff1b;}\u8868\u8fbe\u5f0f&#xff1a;\u5173\u7cfb\u8868\u8fbe\u5f0f&#xff0c;\u903b\u8f91\u8868\u8fbe\u5f0f\u3002 \u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u662f \u771f(1)\/\u5047(0), \u975e0 \u5373\u4e3a\u771f\u3002if &#xff0c;\u5fc5\u987b\u6709\u8868\u8fbe\u5f0f\u3002 else \u540e\u4e0d\u52a0\u6761\u4ef6if \u540e\u9762\u53ef\u4ee5\u6ca1\u6709else &#xff0c;if\u53ef\u4ee5\u5355\u72ec\u51fa\u73b0\u3002 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