{"id":18102,"date":"2023-02-22T17:28:47","date_gmt":"2023-02-22T09:28:47","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=18102"},"modified":"2023-07-30T22:58:03","modified_gmt":"2023-07-30T14:58:03","slug":"static-%e5%8f%98%e9%87%8f%e6%94%be%e5%9c%a8%e5%87%bd%e6%95%b0%e5%86%85%e5%a4%96%ef%bc%8c%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/18102.html","title":{"rendered":"Static \u53d8\u91cf\u653e\u5728\u51fd\u6570\u5185\u5916\uff0c\u6709\u4ec0\u4e48\u533a\u522b"},"content":{"rendered":"<blockquote class=\"wp-block-quote\">\n<p>Static \u53d8\u91cf\u653e\u5728\u51fd\u6570\u5185\u5916\u7684\u533a\u522b\u662f\uff1a\u9759\u6001\u53d8\u91cf\u53ea\u6709\u540d\u5217\u524d\u8305\u6b21\u8fd0\u884c\u51fd\u6570\u7684\u65f6\u5019\u88ab\u521b\u5efa\uff0c\u5e76\u4e14\u5728\u51fd\u6570\u7ed3\u675f\u7684\u65f6\u5019\u4e0d\u4f1a\u6d88\u4ea1\uff1b\u800c\u666e\u901a\u7684\u6210\u5458\u5728\u51fd\u6570\u7ed3\u675f\u7684\u65f6\u5019\u5c31\u4f1a\u5728\u5185\u5b58\u4e2d\u9000\u6808\u6d88\u4ea1\u3002<\/p>\n<\/blockquote>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" alt=\"\" class=\"wp-image-18103\" decoding=\"async\" height=\"421\" sizes=\"(max-width: 680px) 100vw, 680px\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/\u6dfb\u52a0\u6807\u9898-19-12.png?x-oss-process=image\/auto-orient,1\/format,webp\" srcset=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/\u6dfb\u52a0\u6807\u9898-19-12.png?x-oss-process=image\/auto-orient,1\/format,webp 680w, https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2023\/02\/\u6dfb\u52a0\u6807\u9898-19-12-300x186.png 300w\" width=\"680\"\/><\/figure>\n<\/div>\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u3001Static \u53d8\u91cf\u653e\u5728\u51fd\u6570\u5185\u5916\u7684\u533a\u522b<\/strong><\/h2>\n<p>\u533a\u522b\u5c31\u662f\u9759\u6001\u53d8\u91cf\u53ea\u6709\u540d\u5217\u524d\u8305\u6b21\u8fd0\u884c\u51fd\u6570\u7684\u65f6\u5019\u88ab\u521b\u5efa\uff0c\u5e76\u4e14\u5728\u51fd\u6570\u7ed3\u675f\u7684\u65f6\u5019\u4e0d\u4f1a\u6d88\u4ea1\uff1b\u800c\u666e\u901a\u7684\u6210\u5458\u5728\u51fd\u6570\u7ed3\u675f\u7684\u65f6\u5019\u5c31\u4f1a\u5728\u5185\u5b58\u4e2d\u9000\u6808\u6d88\u4ea1\u3002<br \/>\u8bf4\u4e86\u90a3\u4e48\u591a\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff1a<br \/>\/\/Ex_1.c<br \/>void fun_1 ()<br \/>{<br \/>static int a = 0;<br \/>a ++;<br \/>printf (\u201c%d\u201d, a);<br \/>}<br \/>void fun_2 (int times)<br \/>{<br \/>int i = 0;<br \/>for (;i &lt; times; i++)<br \/>{<br \/>fun_1 ();<br \/>}<br \/>}<br \/>\u4e4b\u540e\u518d\u6267\u884cfun_2\u7684\u8bdd\uff0c\u5c31\u4f1a\u4f9d\u6b21\u6253\u5370\uff1a12345\u2026.\u76f4\u5230times\uff1b<br \/>\u5982\u679c\u53bb\u6389static\u5173\u952e\u5b57\uff0c\u6267\u884cfun_2\uff0c\u5c4f\u5e55\u5c31\u4f1a\u6253\u5370111111\u2026\u6b21\u6570\u4e3atimes\u6b21\uff1b<br \/>\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\u4e00\u4e0b\u51fd\u6570\u5916\u7684\uff1a<br \/>\/\/H.h<br \/>#ifndef _H_H_<br \/>#define _H_H_<br \/>static int a = 0;<br \/>#endif<\/p>\n<p>\/\/Ex_2.c<br \/>#include \u201cH.h\u201d<br \/>void fun_ex2 ()<br \/>{<br \/>a++;<br \/>printf (\u201c%d\u201d, a);\/\/\u8fd9\u65f6\u4f1a\u6253\u53701<br \/>}<br \/>\/\/Ex_3<br \/>#include \u201cH.h\u201d<br \/>void fun_ex3 ()<br \/>{<br \/>printf (\u201c%d\u201d, a);\/\/\u8fd9\u65f6\u6253\u5370\u7684\u4f9d\u7136\u662f0\uff0c\u5373\u4fbf\u5148\u88abEx_2\u4e2d\u7684fun_ex2\uff08\uff09\u51fd\u6570\u4fee\u6539\u8fc7\uff0c\u56e0\u4e3a\u4ed6\u4eec<br \/>\/\/\u662f\u4e24\u4e2a\u72ec\u7acb\u7684\u526f\u672c<br \/>}<\/p>\n<p><strong>\u5ef6\u4f38\u9605\u8bfb\uff1a<\/strong><\/p>\n<h2 class=\"wp-block-heading\"><strong>\u4e8c\u3001static \u51fd\u6570 \u4e0e \u666e\u901a\u51fd\u6570\u7684\u533a\u522b<\/strong><\/h2>\n<p>\u7528static\u4fee\u9970\u7684\u51fd\u6570 \u672c\u9650\u5b9a\u5728 \u672c\u6e90\u6587\u4ef6\u4e2d \u4e0d\u80fd\u88ab\u672c\u6e90\u7801\u6587\u4ef6\u4ee5\u5916\u7684\u4ee3\u7801\u6587\u4ef6\u8c03\u7528<\/p>\n<p>\u800c\u666e\u901a\u51fd\u6570\uff0c\u9ed8\u8ba4\u662fextern \u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ef\u4ee5\u88ab\u5176\u4ed6\u4ee3\u7801\u6587\u4ef6\u8c03\u7528\u8be5\u51fd\u6570<\/p>\n<p>\u5728\u51fd\u6570\u7684\u8fd4\u56de\u7c7b\u578b\u524d \u52a0\u4e0astatic \uff0c\u51fd\u6570\u5c31\u88ab\u5b9a\u4e49\u6210\u4e3a\u9759\u6001\u51fd\u6570\u3002<\/p>\n<p>\u666e\u901a\u51fd\u6570\u7684\u5b9a\u4e49\u548c\u58f0\u660e\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f extern\u7684\uff0c\u4f46\u9759\u6001\u51fd\u6570\u53ea\u662f\u5728\u58f0\u660e\u5b83\u7684\u6587\u4ef6\u4e2d\u53ef\u89c1\uff0c\u56e0\u6b64\u53ef\u4ee5\u907f\u514d\u5728\u5176\u4ed6\u6e90\u6587\u4ef6\u4e2d\u5f15\u8d77\u9519\u8bef\uff0c<\/p>\n<p>\u4ece\u4ee5\u4e0a\u5206\u6790\u53ef\u4ee5\u770b\u51fa\uff0c\u628a\u5c40\u90e8\u53d8\u91cf\u6539\u53d8\u4e3a\u9759\u6001\u53d8\u91cf\u540e\u662f\u6539\u53d8\u4e86\u4ed6\u7684\u5b58\u50a8\u65b9\u5f0f\u5373\u6539\u53d8\u4e86\u4ed6\u7684\u751f\u5b58\u671f\u3002<\/p>\n<p>\u53ea\u5728\u5f53\u524d\u6e90\u6587\u4ef6\u4e2d\u4f7f\u7528\u7684\u51fd\u6570\u5e94\u8be5\u8bf4\u660e\u4e3a\u5185\u90e8\u51fd\u6570\uff0c\u5185\u90e8\u51fd\u6570\u5e94\u8be5\u5728\u5f53\u524d\u6e90\u6587\u4ef6\u4e2d\u8bf4\u660e\u548c\u5b9a\u4e49\u3002<\/p>\n<p>\u5bf9\u4e8e\u5728\u5f53\u524d\u6e90\u6587\u4ef6\u4ee5\u5916\u4f7f\u7528\u7684\u51fd\u6570\uff0c\u5e94\u8be5\u5728\u4e00\u4e2a\u5934\u6587\u4ef6\u4e2d\u8bf4\u660e\uff0c\u8981\u4f7f\u7528\u8fd9\u4e9b\u51fd\u6570\u7684\u6e90\u6587\u4ef6\u8981\u5305\u542b\u8fd9\u4e2a\u5934\u6587\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Static \u53d8\u91cf\u653e\u5728\u51fd\u6570\u5185\u5916\u7684\u533a\u522b\u662f\uff1a\u9759\u6001\u53d8\u91cf\u53ea\u6709\u540d\u5217\u524d\u8305\u6b21\u8fd0\u884c\u51fd\u6570\u7684\u65f6\u5019\u88ab\u521b\u5efa\uff0c\u5e76\u4e14\u5728\u51fd\u6570\u7ed3\u675f\u7684\u65f6\u5019\u4e0d\u4f1a\u6d88 [&hellip;]","protected":false},"author":1,"featured_media":18103,"comment_status":"closed","ping_status":"open","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\/18102"}],"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=18102"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/18102\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/18103"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=18102"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=18102"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=18102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}