{"id":959178,"date":"2024-12-27T03:38:25","date_gmt":"2024-12-26T19:38:25","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/959178.html"},"modified":"2024-12-27T03:38:28","modified_gmt":"2024-12-26T19:38:28","slug":"python%e5%a6%82%e4%bd%95%e7%a9%ba%e6%a0%bc%e5%88%b0%e5%ba%95%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/959178.html","title":{"rendered":"python\u5982\u4f55\u7a7a\u683c\u5230\u5e95\u884c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25102050\/10d6fa72-fdea-4ab7-bc9e-a9d159b49dfd.webp\" alt=\"python\u5982\u4f55\u7a7a\u683c\u5230\u5e95\u884c\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u8981\u5c06\u6587\u672c\u5185\u5bb9\u7a7a\u683c\u5230\u5e95\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684\u5185\u7f6e\u65b9\u6cd5\u5982<code>ljust()<\/code>\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26<code>%<\/code>\u3001\u4ee5\u53caf-string\u683c\u5f0f\u5316\u65b9\u6cd5\u7b49\u3002<\/strong>\u5176\u4e2d\uff0c<code>ljust()<\/code>\u65b9\u6cd5\u6700\u4e3a\u76f4\u63a5\u548c\u5e38\u7528\uff0c\u901a\u8fc7\u6307\u5b9a\u5bbd\u5ea6\u6765\u586b\u5145\u7a7a\u683c\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63a2\u8ba8\u5982\u4f55\u5728\u4e0d\u540c\u7684\u60c5\u5883\u4e0b\u6709\u6548\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001<code>LJUST()<\/code>\u65b9\u6cd5<\/p>\n<\/p>\n<p><p><code>ljust()<\/code>\u65b9\u6cd5\u662fPython\u4e2d\u5b57\u7b26\u4e32\u5bf9\u8c61\u7684\u4e00\u4e2a\u5185\u7f6e\u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u5de6\u5bf9\u9f50\uff0c\u5e76\u5728\u53f3\u4fa7\u586b\u5145\u6307\u5b9a\u6570\u91cf\u7684\u5b57\u7b26\uff08\u9ed8\u8ba4\u4e3a\u7a7a\u683c\uff09\uff0c\u76f4\u5230\u8fbe\u5230\u6307\u5b9a\u7684\u5bbd\u5ea6\u3002<\/p>\n<\/p>\n<p><h3>1. \u4f7f\u7528<code>ljust()<\/code>\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528<code>ljust()<\/code>\u65b9\u6cd5\u662f\u975e\u5e38\u7b80\u5355\u7684\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u5e0c\u671b\u5b83\u7684\u603b\u957f\u5ea6\u4e3a20\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World!&quot;<\/p>\n<p>padded_text = text.ljust(20)<\/p>\n<p>print(repr(padded_text))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c<code>ljust(20)<\/code>\u4f1a\u5c06\u5b57\u7b26\u4e32<code>text<\/code>\u7684\u957f\u5ea6\u6269\u5c55\u523020\u4e2a\u5b57\u7b26\uff0c\u53f3\u4fa7\u7528\u7a7a\u683c\u586b\u5145\u3002<\/p>\n<\/p>\n<p><h3>2. \u81ea\u5b9a\u4e49\u586b\u5145\u5b57\u7b26<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u7a7a\u683c\u4e4b\u5916\uff0c<code>ljust()<\/code>\u65b9\u6cd5\u8fd8\u5141\u8bb8\u4f7f\u7528\u5176\u4ed6\u5b57\u7b26\u8fdb\u884c\u586b\u5145\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u4f7f\u7528\u70b9\u53f7\uff08.\uff09\u8fdb\u884c\u586b\u5145\uff0c\u53ef\u4ee5\u8fd9\u6837\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World!&quot;<\/p>\n<p>padded_text = text.ljust(20, &#39;.&#39;)<\/p>\n<p>print(repr(padded_text))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5b57\u7b26\u4e32\u4f1a\u7528\u70b9\u53f7\u586b\u5145\u523020\u4e2a\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26 <code>%<\/code><\/p>\n<\/p>\n<p><p>Python\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26<code>%<\/code>\u63d0\u4f9b\u4e86\u4e00\u79cd\u8f83\u4e3a\u4f20\u7edf\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5e76\u4e0d\u5982<code>ljust()<\/code>\u76f4\u89c2\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><h3>1. \u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26<\/h3>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528<code>%<\/code>\u64cd\u4f5c\u7b26\u6765\u6307\u5b9a\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u6700\u5c0f\u5bbd\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World!&quot;<\/p>\n<p>formatted_text = &quot;%-20s&quot; % text<\/p>\n<p>print(repr(formatted_text))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u91cc\uff0c<code>%-20s<\/code>\u8868\u793a\u5c06\u5b57\u7b26\u4e32<code>text<\/code>\u5de6\u5bf9\u9f50\uff0c\u5e76\u7528\u7a7a\u683c\u586b\u5145\u523020\u4e2a\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001F-STRING\u683c\u5f0f\u5316\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>F-string\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u63d0\u4f9b\u4e86\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\u548c\u66f4\u9ad8\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<p><h3>1. \u4f7f\u7528f-string\u683c\u5f0f\u5316<\/h3>\n<\/p>\n<p><p>\u540c\u6837\u53ef\u4ee5\u4f7f\u7528f-string\u6765\u5b9e\u73b0\u5b57\u7b26\u4e32\u7684\u586b\u5145\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">text = &quot;Hello, World!&quot;<\/p>\n<p>formatted_text = f&quot;{text:&lt;20}&quot;<\/p>\n<p>print(repr(formatted_text))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>{text:&lt;20}<\/code>\u8868\u793a\u5c06\u5b57\u7b26\u4e32<code>text<\/code>\u5de6\u5bf9\u9f50\uff0c\u5e76\u7528\u7a7a\u683c\u586b\u5145\u523020\u4e2a\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u5e94\u7528\u573a\u666f\u53ca\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<p><h3>1. \u6587\u672c\u5bf9\u9f50<\/h3>\n<\/p>\n<p><p>\u5728\u9700\u8981\u5bf9\u9f50\u6587\u672c\u8f93\u51fa\u7684\u573a\u5408\uff0c\u5982\u8868\u683c\u6253\u5370\uff0c\u65e5\u5fd7\u683c\u5f0f\u5316\u7b49\u573a\u5408\uff0c\u4ee5\u4e0a\u65b9\u6cd5\u90fd\u80fd\u6d3e\u4e0a\u7528\u573a\u3002\u901a\u8fc7\u6307\u5b9a\u5bbd\u5ea6\uff0c\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002<\/p>\n<\/p>\n<p><h3>2. \u5904\u7406\u591a\u884c\u6587\u672c<\/h3>\n<\/p>\n<p><p>\u5f53\u5904\u7406\u591a\u884c\u6587\u672c\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u5bf9\u6bcf\u4e00\u884c\u5206\u522b\u8fdb\u884c\u586b\u5145\u3002\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u5904\u7406\u6bcf\u4e00\u884c\u6587\u672c\u6765\u5b9e\u73b0\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">lines = [&quot;Line 1&quot;, &quot;Another line&quot;, &quot;Third line&quot;]<\/p>\n<p>max_length = max(len(line) for line in lines)<\/p>\n<p>padded_lines = [line.ljust(max_length) for line in lines]<\/p>\n<p>for padded_line in padded_lines:<\/p>\n<p>    print(repr(padded_line))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>3. \u8003\u8651\u5b57\u7b26\u7f16\u7801<\/h3>\n<\/p>\n<p><p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5b57\u7b26\u7f16\u7801\u53ef\u80fd\u4f1a\u5f71\u54cd\u5b57\u7b26\u7684\u5b9e\u9645\u663e\u793a\u5bbd\u5ea6\u3002\u5c24\u5176\u662f\u5728\u5904\u7406\u5305\u542b\u591a\u5b57\u8282\u5b57\u7b26\uff08\u5982\u4e2d\u6587\u5b57\u7b26\uff09\u7684\u6587\u672c\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u5e93\u6765\u5904\u7406\u5bbd\u5ea6\u8ba1\u7b97\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u901a\u8fc7<code>ljust()<\/code>\u65b9\u6cd5\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26<code>%<\/code>\u3001\u4ee5\u53caf-string\u683c\u5f0f\u5316\u65b9\u6cd5\u7b49\uff0c\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u6587\u672c\u7684\u7a7a\u683c\u586b\u5145\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u52a3\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u53ef\u4ee5\u5728\u6587\u672c\u5904\u7406\u548c\u8f93\u51fa\u683c\u5f0f\u5316\u65b9\u9762\u66f4\u52a0\u6e38\u5203\u6709\u4f59\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7ed3\u5408\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u5c06\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u89e3\u51b3\u6587\u672c\u5bf9\u9f50\u548c\u683c\u5f0f\u5316\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u6dfb\u52a0\u7a7a\u683c\u4ee5\u586b\u5145\u5230\u884c\u7684\u672b\u5c3e\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684<code>ljust()<\/code>\u65b9\u6cd5\u6765\u4e3a\u5b57\u7b26\u4e32\u6dfb\u52a0\u7a7a\u683c\uff0c\u76f4\u5230\u8fbe\u5230\u6307\u5b9a\u7684\u5bbd\u5ea6\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u8ba9\u5b57\u7b26\u4e32\u7684\u603b\u957f\u5ea6\u4e3a20\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a<code>my_string.ljust(20)<\/code>\u3002\u8fd9\u4f1a\u5728\u5b57\u7b26\u4e32\u53f3\u4fa7\u586b\u5145\u7a7a\u683c\uff0c\u76f4\u5230\u5b57\u7b26\u4e32\u957f\u5ea6\u8fbe\u523020\u4e2a\u5b57\u7b26\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u5904\u7406\u7a7a\u683c\u4ee5\u5bf9\u9f50\u6587\u672c\uff1f<\/strong><br \/>\u5bf9\u4e8e\u6587\u672c\u5bf9\u9f50\uff0c\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u6216<code>str.format()<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>&quot;{:&lt;20}&quot;.format(my_string)<\/code>\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u5de6\u5bf9\u9f50\uff0c\u5e76\u5728\u53f3\u4fa7\u586b\u5145\u7a7a\u683c\uff0c\u76f4\u5230\u8fbe\u523020\u4e2a\u5b57\u7b26\u7684\u5bbd\u5ea6\u3002\u8fd9\u79cd\u65b9\u5f0f\u975e\u5e38\u9002\u5408\u751f\u6210\u6574\u9f50\u7684\u8868\u683c\u6216\u62a5\u544a\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u5b9e\u73b0\u6587\u672c\u6362\u884c\uff1f<\/strong><br \/>\u5982\u679c\u60f3\u5728Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u8fdb\u884c\u6587\u672c\u6362\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684<code>replace()<\/code>\u65b9\u6cd5\u5c06\u6307\u5b9a\u7684\u5b57\u7b26\u66ff\u6362\u4e3a\u7a7a\u683c\uff0c\u6216\u8005\u5728\u9700\u8981\u6362\u884c\u7684\u4f4d\u7f6e\u6dfb\u52a0\u6362\u884c\u7b26<code>\\n<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u6587\u672c\u5728\u6253\u5370\u65f6\u6309\u9884\u671f\u6362\u884c\uff0c\u540c\u65f6\u4fdd\u6301\u7a7a\u683c\u683c\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u8981\u5c06\u6587\u672c\u5185\u5bb9\u7a7a\u683c\u5230\u5e95\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684\u5185\u7f6e\u65b9\u6cd5\u5982ljust()\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u64cd\u4f5c\u7b26%\u3001\u4ee5\u53caf [&hellip;]","protected":false},"author":3,"featured_media":959189,"comment_status":"closed","ping_status":"","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\/959178"}],"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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=959178"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/959178\/revisions"}],"predecessor-version":[{"id":959190,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/959178\/revisions\/959190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/959189"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=959178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=959178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=959178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}