{"id":40581,"date":"2023-07-30T23:00:04","date_gmt":"2023-07-30T15:00:04","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=40581"},"modified":"2023-07-30T23:00:05","modified_gmt":"2023-07-30T15:00:05","slug":"%e6%9c%89%e4%ba%86-for-%e5%be%aa%e7%8e%af%ef%bc%8c%e4%b8%ba%e4%bb%80%e4%b9%88%e8%bf%98%e8%a6%81-while1","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/40581.html","title":{"rendered":"\u6709\u4e86 for \u5faa\u73af\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u8981 while(1)"},"content":{"rendered":"\n
\n

\u6709\u4e86 for \u5faa\u73af\uff0c\u8fd8\u8981 while(1)\u7684\u539f\u56e0\uff1a\u5c3d\u7ba1for\u5faa\u73af\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u80fd\u591f\u6ee1\u8db3\u5faa\u73af\u7684\u9700\u6c42\uff0c\u4f46\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528while(1)\u4ecd\u7136\u5177\u6709\u4e00\u4e9b\u4f18\u52bf\u3002\u9002\u7528\u4e8ewhile(1)\u7684\u573a\u666f\uff1a1\u3001\u65e0\u9650\u5faa\u73af\uff1b2\u3001\u52a8\u6001\u7ec8\u6b62\u6761\u4ef6\u7b49\u3002\u65e0\u9650\u5faa\u73af\u662f\u6307\uff0cwhile(1)\u662f\u65e0\u9650\u5faa\u73af\u7ed3\u6784\uff0c\u53ef\u4ee5\u7528\u4e8e\u9700\u8981\u6301\u7eed\u6267\u884c\u67d0\u6bb5\u4ee3\u7801\u800c\u65e0\u9700\u6307\u5b9a\u5faa\u73af\u6b21\u6570\u7684\u573a\u666f\u3002<\/p>\n<\/blockquote>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

\u4e00\u3001\u6709\u4e86 for \u5faa\u73af\uff0c\u8fd8\u8981 while(1)\u7684\u539f\u56e0<\/h2>\n\n\n\n

\u5c3d\u7ba1for\u5faa\u73af\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u80fd\u591f\u6ee1\u8db3\u5faa\u73af\u7684\u9700\u6c42\uff0c\u4f46\u5728\u7279\u5b9a\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528while(1)\uff08\u6216while(true)\uff09\u4ecd\u7136\u5177\u6709\u4e00\u4e9b\u4f18\u52bf\u548c\u9002\u7528\u573a\u666f\uff1a<\/p>\n\n\n\n

1\u3001\u65e0\u9650\u5faa\u73af<\/strong><\/p>\n\n\n\n

while(1)\u662f\u4e00\u79cd\u65e0\u9650\u5faa\u73af\u7ed3\u6784\uff0c\u5faa\u73af\u6761\u4ef6\u6052\u4e3a\u771f\uff0c\u53ef\u4ee5\u7528\u4e8e\u9700\u8981\u6301\u7eed\u6267\u884c\u67d0\u6bb5\u4ee3\u7801\u800c\u65e0\u9700\u6307\u5b9a\u5faa\u73af\u6b21\u6570\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u5b9e\u73b0\u670d\u52a1\u5668\u76d1\u542c\u5ba2\u6237\u7aef\u8fde\u63a5\u7684\u529f\u80fd\u65f6\uff0c\u901a\u5e38\u4f1a\u7528while(1)\u6301\u7eed\u76d1\u542c\uff0c\u76f4\u5230\u624b\u52a8\u7ec8\u6b62\u5faa\u73af\u6216\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u624d\u9000\u51fa\u3002<\/p>\n\n\n\n

2\u3001\u52a8\u6001\u7ec8\u6b62\u6761\u4ef6<\/strong><\/p>\n\n\n\n

while(1)\u5141\u8bb8\u5728\u5faa\u73af\u4f53\u5185\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u52a8\u6001\u51b3\u5b9a\u662f\u5426\u7ec8\u6b62\u5faa\u73af\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u5728\u591a\u7ebf\u7a0b\u7f16\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u67d0\u4e2a\u7ebf\u7a0b\u7684\u72b6\u6001\u6765\u51b3\u5b9a\u662f\u5426\u7ec8\u6b62\u6240\u6709\u7ebf\u7a0b\u7684\u5faa\u73af\u3002<\/p>\n\n\n\n

3\u3001\u7279\u5b9a\u5e94\u7528\u573a\u666f<\/strong><\/p>\n\n\n\n

\u67d0\u4e9b\u7b97\u6cd5\u6216\u903b\u8f91\u53ef\u80fd\u66f4\u9002\u5408\u4f7f\u7528while(1)\u5faa\u73af\u7ed3\u6784\uff0c\u7279\u522b\u662f\u5f53\u5faa\u73af\u7ec8\u6b62\u6761\u4ef6\u4e0d\u662f\u7b80\u5355\u7684\u8ba1\u6570\u6216\u96c6\u5408\u904d\u5386\u65f6\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0cwhile(1)\u63d0\u4f9b\u4e86\u66f4\u5927\u7684\u7075\u6d3b\u6027\u548c\u63a7\u5236\u6743\u3002<\/p>\n\n\n\n

4\u3001\u4e0ebreak\u548ccontinue\u914d\u5408\u4f7f\u7528<\/strong><\/p>\n\n\n\n

while(1)\u5faa\u73af\u901a\u5e38\u4e0ebreak\u548ccontinue\u8bed\u53e5\u914d\u5408\u4f7f\u7528\uff0c\u901a\u8fc7\u5728\u5faa\u73af\u4f53\u5185\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u6765\u624b\u52a8\u63a7\u5236\u5faa\u73af\u7684\u6d41\u7a0b\u3002\u8fd9\u79cd\u7528\u6cd5\u53ef\u4ee5\u4f7f\u4ee3\u7801\u903b\u8f91\u66f4\u52a0\u6e05\u6670\uff0c\u5e76\u4e14\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u6bd4for\u5faa\u73af\u66f4\u52a0\u76f4\u89c2\u3002<\/p>\n\n\n\n

\u4e8c\u3001\u7a0b\u5e8f\u4e2d\u4f7f\u7528for\u5faa\u73af\u548cwhile(1)\u4e0d\u540c\u7684\u7528\u9014\u548c\u573a\u666f<\/h2>\n\n\n\n

1\u3001for\u5faa\u73af\u7528\u4e8e\u5df2\u77e5\u5faa\u73af\u6b21\u6570\u7684\u60c5\u51b5 <\/strong><\/p>\n\n\n\n

for\u5faa\u73af\u9002\u7528\u4e8e\u5728\u5df2\u77e5\u5faa\u73af\u6b21\u6570\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u5faa\u73af\u3002\u4f8b\u5982\uff0c\u9700\u8981\u904d\u5386\u4e00\u4e2a\u6570\u7ec4\u6216\u6267\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u56fa\u5b9a\u6b21\u6570\u65f6\uff0cfor\u5faa\u73af\u662f\u66f4\u5408\u9002\u7684\u9009\u62e9\u3002\u5176\u8bed\u6cd5\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n

for (\u521d\u59cb\u5316\u8868\u8fbe\u5f0f; \u5faa\u73af\u6761\u4ef6; \u5faa\u73af\u540e\u64cd\u4f5c\u8868\u8fbe\u5f0f)\r\n{\r\n    \/\/ \u5faa\u73af\u4f53\r\n}\r<\/pre>\n\n\n\n
2\u3001while(1)\u901a\u5e38\u7528\u4e8e\u65e0\u9650\u5faa\u73af\u6216\u9700\u8981\u624b\u52a8\u7ec8\u6b62\u7684\u60c5\u51b5  <\/strong><\/p>\n\n\n\n
while(1)\uff08\u6216while(true)\uff09\u7528\u4e8e\u5b9e\u73b0\u65e0\u9650\u5faa\u73af\uff0c\u5373\u5faa\u73af\u6761\u4ef6\u6052\u4e3a\u771f\uff0c\u5faa\u73af\u5c06\u4e00\u76f4\u6267\u884c\u4e0b\u53bb\uff0c\u76f4\u5230\u9047\u5230break\u8bed\u53e5\u6216\u5176\u4ed6\u7ec8\u6b62\u5faa\u73af\u7684\u6761\u4ef6\u3002\u8fd9\u79cd\u65b9\u5f0f\u901a\u5e38\u7528\u4e8e\u9700\u8981\u4e0d\u95f4\u65ad\u5730\u6267\u884c\u67d0\u6bb5\u4ee3\u7801\u6216\u7b49\u5f85\u7279\u5b9a\u6761\u4ef6\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5b9e\u73b0\u670d\u52a1\u5668\u7684\u4e3b\u5faa\u73af\u3001\u63a5\u6536\u5ba2\u6237\u7aef\u8bf7\u6c42\u7b49\u3002<\/p>\n\n\n\n
while (1) \/\/ \u6216 while (true)\r\n{\r\n    \/\/ \u5faa\u73af\u4f53\r\n    if (\u67d0\u4e2a\u6761\u4ef6\u6ee1\u8db3)\r\n    {\r\n        break; \/\/ \u624b\u52a8\u8df3\u51fa\u5faa\u73af\r\n    }\r\n}\r<\/code><\/pre>\n\n\n\n
3\u3001for\u5faa\u73af\u7684\u6761\u4ef6\u901a\u5e38\u4e0e\u5faa\u73af\u53d8\u91cf\u6709\u5173\uff0c\u800cwhile(1)\u7684\u6761\u4ef6\u901a\u5e38\u662f\u4e00\u4e2a\u6052\u4e3a\u771f\u7684\u6761\u4ef6 <\/strong><\/p>\n\n\n\n
for\u5faa\u73af\u7684\u6761\u4ef6\u901a\u5e38\u4e0e\u5faa\u73af\u53d8\u91cf\u7684\u589e\u51cf\u6216\u8303\u56f4\u6709\u5173\uff0c\u4f8b\u5982\u6307\u5b9a\u5faa\u73af\u6b21\u6570\u3001\u904d\u5386\u6570\u7ec4\u7b49\u3002\u800cwhile(1)\u7684\u6761\u4ef6\u901a\u5e38\u662f\u4e00\u4e2a\u6c38\u8fdc\u4e3a\u771f\u7684\u6761\u4ef6\uff0c\u901a\u8fc7\u5728\u5faa\u73af\u4f53\u5185\u90e8\u624b\u52a8\u6dfb\u52a0\u5224\u65ad\u6765\u63a7\u5236\u5faa\u73af\u7684\u7ec8\u6b62\u3002<\/p>\n\n\n\n
\u4f7f\u7528for\u5faa\u73af\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n
for (int i = 0; i < 10; i++)\r\n{\r\n    \/\/ \u5faa\u73af\u4f53\uff0c\u6267\u884c10\u6b21\r\n}\r<\/pre>\n\n\n\n
\u4f7f\u7528while(1)\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n
int count = 0;\r\nwhile (1)\r\n{\r\n    \/\/ \u5faa\u73af\u4f53\r\n    count++;\r\n    if (count >= 10)\r\n    {\r\n        break; \/\/ \u624b\u52a8\u8df3\u51fa\u5faa\u73af\uff0c\u6267\u884c10\u6b21\r\n    }\r\n}\r<\/pre>\n\n\n\n
4\u3001\u4f7f\u7528for\u5faa\u73af\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u8868\u8fbe\u5faa\u73af\u7684\u76ee\u7684\u548c\u8303\u56f4\uff0c\u800cwhile(1)\u9700\u8981\u5728\u5faa\u73af\u4f53\u5185\u8fdb\u884c\u66f4\u591a\u7684\u903b\u8f91\u5904\u7406<\/strong><\/p>\n\n\n\n
for\u5faa\u73af\u5728\u521d\u59cb\u5316\u3001\u5faa\u73af\u6761\u4ef6\u548c\u5faa\u73af\u540e\u64cd\u4f5c\u8868\u8fbe\u5f0f\u4e2d\u660e\u786e\u5730\u8868\u8fbe\u4e86\u5faa\u73af\u7684\u76ee\u7684\u548c\u8303\u56f4\uff0c\u4ee3\u7801\u7ed3\u6784\u66f4\u52a0\u6e05\u6670\u3002\u800cwhile(1)\u7684\u5faa\u73af\u6761\u4ef6\u6052\u4e3a\u771f\uff0c\u9700\u8981\u5728\u5faa\u73af\u4f53\u5185\u90e8\u8fdb\u884c\u66f4\u591a\u7684\u903b\u8f91\u5904\u7406\uff0c\u5305\u62ec\u624b\u52a8\u6dfb\u52a0\u7ec8\u6b62\u6761\u4ef6\u6216\u5176\u4ed6\u63a7\u5236\u8bed\u53e5\u3002<\/p>\n\n\n\n
\u5ef6\u4f38\u9605\u8bfb<\/strong><\/h2>\n\n\n\n
while(1)\u542b\u4e49<\/strong><\/p>\n\n\n\n
while(1)\u662f\u4e00\u4e2a\u5faa\u73af\u7ed3\u6784\uff0c\u5b83\u662f\u4e00\u79cd\u65e0\u9650\u5faa\u73af\uff0c\u610f\u5473\u7740\u5faa\u73af\u4f1a\u6c38\u8fdc\u6267\u884c\uff0c\u6ca1\u6709\u7ec8\u6b62\u6761\u4ef6\u3002\u5728C\u548cC++\u7b49\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u975e\u96f6\u7684\u8868\u8fbe\u5f0f\u90fd\u88ab\u89c6\u4e3a\u771f\uff08true\uff09\uff0c\u6240\u4ee5while(1)\u7684\u610f\u601d\u662f\u6761\u4ef6\u8868\u8fbe\u5f0f\u6c38\u8fdc\u4e3a\u771f\uff0c\u5faa\u73af\u4f1a\u65e0\u9650\u6267\u884c\u3002<\/p>\n\n\n\n
\u5728\u4f7f\u7528while(1)\u65f6\uff0c\u9700\u8981\u8c28\u614e\uff0c\u786e\u4fdd\u5728\u5faa\u73af\u4f53\u5185\u6709\u9002\u5f53\u7684\u9000\u51fa\u673a\u5236\uff0c\u5426\u5219\u7a0b\u5e8f\u5c06\u9677\u5165\u6b7b\u5faa\u73af\uff0c\u65e0\u6cd5\u6b63\u5e38\u7ed3\u675f\u3002\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\uff0c\u5e38\u7528\u4e8e\u9700\u8981\u4fdd\u6301\u7a0b\u5e8f\u6301\u7eed\u8fd0\u884c\u7684\u573a\u666f\uff0c\u6bd4\u5982\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u7684\u4e3b\u5faa\u73af\u6216\u591a\u7ebf\u7a0b\u7684\u6d88\u606f\u5904\u7406\u5faa\u73af\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u670d\u52a1\u5668\u7a0b\u5e8f\u9700\u8981\u4e0d\u65ad\u76d1\u542c\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u6216\u5904\u7406\u6d88\u606f\uff0c\u90a3\u4e48\u53ef\u4ee5\u4f7f\u7528while(1)\u6765\u5b9e\u73b0\u4e3b\u5faa\u73af\uff0c\u4fdd\u6301\u670d\u52a1\u5668\u4e00\u76f4\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u6709\u4e86 for \u5faa\u73af\uff0c\u8fd8\u8981 while(1)\u7684\u539f\u56e0\uff1a\u5c3d\u7ba1for\u5faa\u73af\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u80fd\u591f\u6ee1\u8db3\u5faa\u73af\u7684\u9700\u6c42\uff0c\u4f46\u5728\u7279\u5b9a\u60c5\u51b5 […]","protected":false},"author":1,"featured_media":40583,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[119],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/40581"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=40581"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/40581\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/40583"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=40581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=40581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=40581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}