{"id":210592,"date":"2023-12-22T06:23:17","date_gmt":"2023-12-21T22:23:17","guid":{"rendered":"https:\/\/www.idc.net\/help\/210592\/"},"modified":"2023-12-22T06:23:17","modified_gmt":"2023-12-21T22:23:17","slug":"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aprintf-%e6%a0%bc%e5%bc%8f%e5%8c%96%e5%92%8c%e6%89%93%e5%8d%b0%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/210592\/","title":{"rendered":"Linux \u547d\u4ee4\uff1aprintf &#8211; \u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e"},"content":{"rendered":"<p><title id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aprintf-%e6%a0%bc%e5%bc%8f%e5%8c%96%e5%92%8c%e6%89%93%e5%8d%b0%e6%95%b0%e6%8d%ae-VvyCiBooon\">Linux \u547d\u4ee4\uff1aprintf - \u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e<\/title><\/p>\n<h1 id=\"linux-%e5%91%bd%e4%bb%a4%ef%bc%9aprintf-%e6%a0%bc%e5%bc%8f%e5%8c%96%e5%92%8c%e6%89%93%e5%8d%b0%e6%95%b0%e6%8d%ae-VvyCiBooon\">Linux \u547d\u4ee4\uff1aprintf - \u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e<\/h1>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0cprintf\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4\uff0c\u7528\u4e8e\u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u683c\u5f0f\u5c06\u6570\u636e\u8f93\u51fa\u5230\u7ec8\u7aef\u6216\u6587\u4ef6\u4e2d\u3002printf\u547d\u4ee4\u53ef\u4ee5\u7528\u4e8e\u5404\u79cd\u76ee\u7684\uff0c\u5982\u663e\u793a\u6587\u672c\u3001\u683c\u5f0f\u5316\u6570\u5b57\u3001\u521b\u5efa\u8868\u683c\u7b49\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e8%af%ad%e6%b3%95-VvyCiBooon\">\u57fa\u672c\u8bed\u6cd5<\/h2>\n<p>printf\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>printf format-string [arguments...]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0cformat-string\u662f\u4e00\u4e2a\u5305\u542b\u683c\u5f0f\u63a7\u5236\u7b26\u7684\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u6307\u5b9a\u8f93\u51fa\u7684\u683c\u5f0f\u3002arguments\u662f\u8981\u8f93\u51fa\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u6216\u591a\u4e2a\u53c2\u6570\u3002<\/p>\n<h2 id=\"%e6%a0%bc%e5%bc%8f%e6%8e%a7%e5%88%b6%e7%ac%a6-VvyCiBooon\">\u683c\u5f0f\u63a7\u5236\u7b26<\/h2>\n<p>printf\u547d\u4ee4\u652f\u6301\u591a\u79cd\u683c\u5f0f\u63a7\u5236\u7b26\uff0c\u7528\u4e8e\u6307\u5b9a\u8f93\u51fa\u7684\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u683c\u5f0f\u63a7\u5236\u7b26\uff1a<\/p>\n<ul>\n<li>%s\uff1a\u8f93\u51fa\u5b57\u7b26\u4e32<\/li>\n<li>%d\uff1a\u8f93\u51fa\u5341\u8fdb\u5236\u6574\u6570<\/li>\n<li>%f\uff1a\u8f93\u51fa\u6d6e\u70b9\u6570<\/li>\n<li>%c\uff1a\u8f93\u51fa\u5b57\u7b26<\/li>\n<li>%x\uff1a\u8f93\u51fa\u5341\u516d\u8fdb\u5236\u6570<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u5728format-string\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u683c\u5f0f\u63a7\u5236\u7b26\uff0c\u5e76\u901a\u8fc7arguments\u6307\u5b9a\u8981\u8f93\u51fa\u7684\u6570\u636e\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>printf \"Hello, %s!n\" \"World\"<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\"Hello, World!\"\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-VvyCiBooon\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528printf\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e6%98%be%e7%a4%ba%e6%96%87%e6%9c%ac-VvyCiBooon\">\u663e\u793a\u6587\u672c<\/h3>\n<pre><code>printf \"Welcome to the Linux world!n\"<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\"Welcome to the Linux world!\"\u3002<\/p>\n<h3 id=\"%e6%a0%bc%e5%bc%8f%e5%8c%96%e6%95%b0%e5%ad%97-VvyCiBooon\">\u683c\u5f0f\u5316\u6570\u5b57<\/h3>\n<pre><code>printf \"The value of pi is approximately %.2fn\" 3.14159<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\"The value of pi is approximately 3.14\"\u3002<\/p>\n<h3 id=\"%e5%88%9b%e5%bb%ba%e8%a1%a8%e6%a0%bc-VvyCiBooon\">\u521b\u5efa\u8868\u683c<\/h3>\n<pre><code>printf \"%-10s %-10s %-10sn\" \"Name\" \"Age\" \"City\"\nprintf \"%-10s %-10d %-10sn\" \"John\" 25 \"New York\"\nprintf \"%-10s %-10d %-10sn\" \"Alice\" 30 \"London\"<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u4ee5\u4e0b\u8868\u683c\uff1a<\/p>\n<pre><code>Name       Age        City      \nJohn       25         New York  \nAlice      30         London<\/code><\/pre>\n<h2 id=\"%e6%80%bb%e7%bb%93-VvyCiBooon\">\u603b\u7ed3<\/h2>\n<p>printf\u547d\u4ee4\u662fLinux\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u547d\u4ee4\uff0c\u7528\u4e8e\u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u683c\u5f0f\u5c06\u6570\u636e\u8f93\u51fa\u5230\u7ec8\u7aef\u6216\u6587\u4ef6\u4e2d\u3002\u901a\u8fc7\u4f7f\u7528\u4e0d\u540c\u7684\u683c\u5f0f\u63a7\u5236\u7b26\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u8f93\u51fa\u683c\u5f0f\u7684\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684\u670d\u52a1\u5668\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u591a\u79cd\u4ea7\u54c1\uff0c\u4ee5\u6ee1\u8db3\u60a8\u7684\u4e0d\u540c\u9700\u6c42\u3002\u60a8\u53ef\u4ee5\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff1a<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u547d\u4ee4\uff1aprintf - \u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e Linux \u547d\u4ee4\uff1aprintf - \u683c\u5f0f\u5316\u548c\u6253\u5370\u6570\u636e \u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-210592","post","type-post","status-publish","format-standard","hentry","category-centos"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=210592"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/210592\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=210592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=210592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=210592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}