{"id":203836,"date":"2020-11-03T10:12:57","date_gmt":"2020-11-03T02:12:57","guid":{"rendered":"https:\/\/gulass.cn\/?p=203836"},"modified":"2020-10-26T19:13:59","modified_gmt":"2020-10-26T11:13:59","slug":"what-is-the-3","status":"publish","type":"post","link":"https:\/\/gulass.cn\/what-is-the-3.html","title":{"rendered":"\u4ec0\u4e48\u662fC++ setw() \u51fd\u6570\uff1f"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>setw() \u51fd\u6570\u53ea\u5bf9\u7d27\u63a5\u7740\u7684\u8f93\u51fa\u4ea7\u751f\u4f5c\u7528\u3002\u5f53\u540e\u9762\u7d27\u8ddf\u7740\u7684\u8f93\u51fa\u5b57\u6bb5\u957f\u5ea6\u5c0f\u4e8e n \u7684\u65f6\u5019\uff0c\u5728\u8be5\u5b57\u6bb5\u524d\u9762\u7528\u7a7a\u683c\u8865\u9f50\uff0c\u5f53\u8f93\u51fa\u5b57\u6bb5\u957f\u5ea6\u5927\u4e8e n \u65f6\uff0c\u5168\u90e8\u6574\u4f53\u8f93\u51fa\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>C++ setw() \u51fd\u6570\u7528\u4e8e\u8bbe\u7f6e\u5b57\u6bb5\u7684\u5bbd\u5ea6\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre>setw(n)<\/pre>\n<p>n \u8868\u793a\u5bbd\u5ea6\uff0c\u7528\u6570\u5b57\u8868\u793a\u3002<\/p>\n<p>setw() \u51fd\u6570\u53ea\u5bf9\u7d27\u63a5\u7740\u7684\u8f93\u51fa\u4ea7\u751f\u4f5c\u7528\u3002<br \/>\n\u5f53\u540e\u9762\u7d27\u8ddf\u7740\u7684\u8f93\u51fa\u5b57\u6bb5\u957f\u5ea6\u5c0f\u4e8e n \u7684\u65f6\u5019\uff0c\u5728\u8be5\u5b57\u6bb5\u524d\u9762\u7528\u7a7a\u683c\u8865\u9f50\uff0c\u5f53\u8f93\u51fa\u5b57\u6bb5\u957f\u5ea6\u5927\u4e8e n \u65f6\uff0c\u5168\u90e8\u6574\u4f53\u8f93\u51fa\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gulass.cn\/wp-content\/uploads\/2020\/10\/QQ\u56fe\u724720201024193131.png\" alt=\"\" width=\"600\" height=\"467\" class=\"alignnone size-full wp-image-203837\" srcset=\"https:\/\/gulass.cn\/wp-content\/uploads\/2020\/10\/QQ\u56fe\u724720201024193131.png 600w, https:\/\/gulass.cn\/wp-content\/uploads\/2020\/10\/QQ\u56fe\u724720201024193131-300x234.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>\u4ee5\u4e0b\u5b9e\u4f8b\u6f14\u793a\u4e86 setw() \u51fd\u6570\u7684\u4f7f\u7528\uff1a<\/p>\n<p><strong>\u5b9e\u4f8b<\/strong><\/p>\n<pre>#include <iostream>\r\n#include <iomanip>\r\n\r\nusing namespace std;\r\n\r\nint main()\r\n{\r\n    \/\/ \u5f00\u5934\u8bbe\u7f6e\u5bbd\u5ea6\u4e3a 4\uff0c\u540e\u9762\u7684 runoob \u5b57\u7b26\u957f\u5ea6\u5927\u4e8e 4\uff0c\u6240\u4ee5\u4e0d\u8d77\u4f5c\u7528\r\n    cout << setw(4) << \"runoob\" << endl;\r\n    \/\/ \u4e2d\u95f4\u4f4d\u7f6e\u8bbe\u7f6e\u5bbd\u5ea6\u4e3a 4\uff0c\u540e\u9762\u7684 runoob \u5b57\u7b26\u957f\u5ea6\u5927\u4e8e 4\uff0c\u6240\u4ee5\u4e0d\u8d77\u4f5c\u7528\r\n    cout << \"runoob\" << setw(4) << \"runoob\" << endl;\r\n    \/\/ \u5f00\u5934\u8bbe\u7f6e\u95f4\u8ddd\u4e3a 14\uff0c\u540e\u9762 runoob \u5b57\u7b26\u6570\u4e3a6\uff0c\u524d\u9762\u8865\u5145 8 \u4e2a\u7a7a\u683c\r\n    cout << setw(14) << \"runoob\" << endl;\r\n    \/\/ \u4e2d\u95f4\u4f4d\u7f6e\u8bbe\u7f6e\u95f4\u8ddd\u4e3a 14 \uff0c\u540e\u9762 runoob \u5b57\u7b26\u6570\u4e3a6\uff0c\u524d\u9762\u8865\u5145 8 \u4e2a\u7a7a\u683c\r\n    cout << \"runoob\" << setw(14) << \"runoob\" << endl;\r\n    return 0;\r\n}<\/iomanip><\/iostream><\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre>runoob\r\nrunoobrunoob\r\n        runoob\r\nrunoob        runoob<\/pre>\n<p>setw() \u9ed8\u8ba4\u586b\u5145\u7684\u5185\u5bb9\u4e3a\u7a7a\u683c\uff0c\u53ef\u4ee5 setfill() \u914d\u5408\u4f7f\u7528\u8bbe\u7f6e\u5176\u4ed6\u5b57\u7b26\u586b\u5145\u3002<\/p>\n<p><strong>\u5b9e\u4f8b<\/strong><\/p>\n<pre>#include <iostream>\r\n#include <iomanip>\r\n\r\nusing namespace std;\r\n\r\nint main()\r\n{\r\n    cout << setfill('*')  << setw(14) << \"runoob\" << endl;\r\n    return 0;\r\n}<\/iomanip><\/iostream><\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u8f93\u51fa\u7ed3\u679c\u4e3a\uff1a<\/p>\n<pre>********runoob<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>C++ setw() \u51fd\u6570\u7528\u4e8e\u8bbe\u7f6e\u5b57\u6bb5\u7684\u5bbd\u5ea6\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a setw(n) n \u8868\u793a\u5bbd\u5ea6\uff0c\u7528\u6570\u5b57\u8868\u793a\u3002 se [&hellip;]<\/p>\n","protected":false},"author":1470,"featured_media":203838,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-203836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/203836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/1470"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=203836"}],"version-history":[{"count":3,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/203836\/revisions"}],"predecessor-version":[{"id":203841,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/203836\/revisions\/203841"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/203838"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=203836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=203836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=203836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}