{"id":944836,"date":"2024-12-26T23:14:35","date_gmt":"2024-12-26T15:14:35","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/944836.html"},"modified":"2024-12-26T23:14:37","modified_gmt":"2024-12-26T15:14:37","slug":"python%e5%a6%82%e4%bd%95%e7%bc%96%e7%a9%ba%e6%a0%bc","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/944836.html","title":{"rendered":"Python\u5982\u4f55\u7f16\u7a7a\u683c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25081658\/278e25b7-ade4-498d-ab36-3670bfa02d1e.webp\" alt=\"Python\u5982\u4f55\u7f16\u7a7a\u683c\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u7f16\u7a7a\u683c\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u5faa\u73af\u751f\u6210\u7b49\u3002\u5b57\u7b26\u4e32\u8fde\u63a5\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u52a0\u53f7\u64cd\u4f5c\u6765\u5b9e\u73b0\u7a7a\u683c\u7684\u63d2\u5165\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u6dfb\u52a0\u7a7a\u683c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u5b57\u7b26\u4e32\u8fde\u63a5<\/strong>\uff1a\u8fd9\u662f\u6700\u76f4\u89c2\u7684\u65b9\u5f0f\uff0c\u76f4\u63a5\u4f7f\u7528\u52a0\u53f7 <code>+<\/code> \u5c06\u7a7a\u683c <code>&#39; &#39;<\/code> \u4e0e\u5176\u4ed6\u5b57\u7b26\u4e32\u8fde\u63a5\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u5904\u7406\u8f83\u5c11\u7684\u7a7a\u683c\u63d2\u5165\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/strong>\uff1a\u4f7f\u7528Python\u7684\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u529f\u80fd\uff0c\u5982<code>f-string<\/code>\u3001<code>str.format()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u7a7a\u683c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u5faa\u73af\u751f\u6210<\/strong>\uff1a\u5728\u9700\u8981\u751f\u6210\u5927\u91cf\u7a7a\u683c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\u6216\u5b57\u7b26\u4e32\u4e58\u6cd5\u6765\u751f\u6210\u6307\u5b9a\u6570\u91cf\u7684\u7a7a\u683c\uff0c\u4f8b\u5982<code>&#39; &#39; * n<\/code>\uff0c\u5176\u4e2d<code>n<\/code>\u662f\u7a7a\u683c\u7684\u6570\u91cf\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u7406\u89e3\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u5b57\u7b26\u4e32\u8fde\u63a5<\/p>\n<\/p>\n<p><p>\u5b57\u7b26\u4e32\u8fde\u63a5\u662f\u6700\u7b80\u5355\u7684\u5728Python\u4e2d\u6dfb\u52a0\u7a7a\u683c\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u52a0\u53f7 <code>+<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5728\u4e24\u4e2a\u5b57\u7b26\u4e32\u4e4b\u95f4\u63d2\u5165\u7a7a\u683c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">str1 = &quot;Hello&quot;<\/p>\n<p>str2 = &quot;World&quot;<\/p>\n<p>result = str1 + &#39; &#39; + str2<\/p>\n<p>print(result)  # \u8f93\u51fa: Hello World<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u5408\u7528\u4e8e\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\uff0c\u5c24\u5176\u662f\u5f53\u6211\u4eec\u53ea\u9700\u8981\u5728\u4e24\u4e2a\u5b57\u7b26\u4e32\u4e4b\u95f4\u63d2\u5165\u4e00\u4e2a\u7a7a\u683c\u65f6\u3002\u7136\u800c\uff0c\u5f53\u9700\u8981\u5904\u7406\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u8003\u8651\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/p>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u591a\u79cd\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\uff0c\u5305\u62ec<code>f-string<\/code>\u3001<code>str.format()<\/code>\u7b49\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u548c\u7a7a\u683c\uff0c\u5e76\u63d0\u4f9b\u4e86\u66f4\u5f3a\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>f-string<\/strong>\uff1a\u4ecePython 3.6\u5f00\u59cb\uff0cf-string\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u6613\u7528\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">name = &quot;Alice&quot;<\/p>\n<p>greeting = f&quot;Hello, {name}!&quot;<\/p>\n<p>print(greeting)  # \u8f93\u51fa: Hello, Alice!<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728f-string\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u5927\u62ec\u53f7 <code>{}<\/code> \u4e2d\u63d2\u5165\u8868\u8fbe\u5f0f\u6765\u52a8\u6001\u751f\u6210\u5b57\u7b26\u4e32\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7\u5728\u8868\u8fbe\u5f0f\u7684\u4e24\u8fb9\u6dfb\u52a0\u7a7a\u683c\u6765\u63d2\u5165\u7a7a\u683c\u3002<\/p>\n<\/p>\n<ol start=\"2\">\n<li><strong>str.format()<\/strong>\uff1a\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8ePython 3.0\u53ca\u4ee5\u4e0a\u7248\u672c\uff0c\u53ef\u4ee5\u5728\u5b57\u7b26\u4e32\u4e2d\u901a\u8fc7\u82b1\u62ec\u53f7 <code>{}<\/code> \u63d2\u5165\u53d8\u91cf\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">age = 25<\/p>\n<p>info = &quot;Age: {} years&quot;.format(age)<\/p>\n<p>print(info)  # \u8f93\u51fa: Age: 25 years<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><code>str.format()<\/code>\u63d0\u4f9b\u4e86\u66f4\u590d\u6742\u7684\u683c\u5f0f\u5316\u9009\u9879\uff0c\u4f8b\u5982\u53ef\u4ee5\u6307\u5b9a\u5360\u4f4d\u7b26\u7684\u5bbd\u5ea6\uff0c\u4ece\u800c\u81ea\u52a8\u586b\u5145\u7a7a\u683c\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u5faa\u73af\u751f\u6210<\/p>\n<\/p>\n<p><p>\u5728\u9700\u8981\u751f\u6210\u5927\u91cf\u7a7a\u683c\u65f6\uff0c\u4f7f\u7528\u5faa\u73af\u6216\u8005\u5b57\u7b26\u4e32\u4e58\u6cd5\u662f\u4e00\u4e2a\u6709\u6548\u7684\u65b9\u6cd5\u3002\u7279\u522b\u662f\u5728\u9700\u8981\u751f\u6210\u56fa\u5b9a\u6570\u91cf\u7684\u7a7a\u683c\u65f6\uff0c\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">n = 5<\/p>\n<p>spaces = &#39; &#39; * n<\/p>\n<p>print(f&quot;|{spaces}|&quot;)  # \u8f93\u51fa: |     |<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u751f\u6210\u4e865\u4e2a\u7a7a\u683c\uff0c\u5e76\u5c06\u5176\u653e\u5728\u4e24\u4e2a\u7ad6\u7ebf\u4e4b\u95f4\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u9002\u7528\u4e8e\u751f\u6210\u7a7a\u683c\uff0c\u8fd8\u9002\u7528\u4e8e\u751f\u6210\u4efb\u610f\u91cd\u590d\u7684\u5b57\u7b26\u5e8f\u5217\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u5e94\u7528\u573a\u666f<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5904\u7406\u7a7a\u683c\u63d2\u5165\uff0c\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u9700\u6c42\u548c\u573a\u666f\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>\u6587\u672c\u5bf9\u9f50<\/strong>\uff1a\u5728\u683c\u5f0f\u5316\u8f93\u51fa\u65f6\uff0c\u7a7a\u683c\u5e38\u7528\u4e8e\u5bf9\u9f50\u6587\u672c\u3002\u53ef\u4ee5\u901a\u8fc7\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u7684\u5bbd\u5ea6\u9009\u9879\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ol>\n<p><pre><code class=\"language-python\">for i in range(5):<\/p>\n<p>    print(f&quot;{i:2}: {&#39;*&#39; * i}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li>\n<p><strong>\u751f\u6210\u7a7a\u767d\u5b57\u7b26<\/strong>\uff1a\u5728\u9700\u8981\u751f\u6210\u5927\u91cf\u7a7a\u767d\u5b57\u7b26\u7684\u60c5\u51b5\u4e0b\uff0c\u5b57\u7b26\u4e32\u4e58\u6cd5\u662f\u4e00\u4e2a\u9ad8\u6548\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u52a8\u6001\u751f\u6210\u5b57\u7b26\u4e32<\/strong>\uff1a\u5f53\u9700\u8981\u5728\u5b57\u7b26\u4e32\u4e2d\u52a8\u6001\u63d2\u5165\u53d8\u91cf\u548c\u7a7a\u683c\u65f6\uff0cf-string\u548c<code>str.format()<\/code>\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u4e94\u3001\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n<p><p>\u5728\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u65f6\uff0c\u4e5f\u6709\u4e00\u4e9b\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9879\uff1a<\/p>\n<\/p>\n<ol>\n<li>\n<p><strong>\u7f16\u7801\u95ee\u9898<\/strong>\uff1a\u5982\u679c\u5b57\u7b26\u4e32\u5305\u542b\u975eASCII\u5b57\u7b26\uff0c\u786e\u4fdd\u4f7f\u7528\u5408\u9002\u7684\u7f16\u7801\u4ee5\u907f\u514d\u4e71\u7801\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u6027\u80fd\u8003\u8651<\/strong>\uff1a\u5728\u9700\u8981\u5904\u7406\u5927\u91cf\u5b57\u7b26\u4e32\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u65b9\u6cd5\uff0c\u4ee5\u907f\u514d\u6027\u80fd\u74f6\u9888\u3002<\/p>\n<\/p>\n<\/li>\n<li>\n<p><strong>\u517c\u5bb9\u6027<\/strong>\uff1a\u786e\u4fdd\u4f7f\u7528\u7684Python\u7248\u672c\u652f\u6301\u76f8\u5e94\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n<p><p>\u603b\u7ed3\u6765\u8bf4\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u7a7a\u683c\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u7a7a\u683c\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684\u7a7a\u683c\u5b57\u7b26 <code>&#39; &#39;<\/code> \u6765\u521b\u5efa\u7a7a\u683c\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u5c06\u5b57\u7b26\u4e32\u8fde\u63a5\u6765\u521b\u5efa\u591a\u4e2a\u7a7a\u683c\uff1a<code>&#39; &#39; * n<\/code>\uff0c\u5176\u4e2d <code>n<\/code> \u662f\u7a7a\u683c\u7684\u6570\u91cf\u3002\u5982\u679c\u5e0c\u671b\u5728\u8f93\u51fa\u4e2d\u5305\u542b\u7a7a\u683c\uff0c\u53ef\u4ee5\u76f4\u63a5\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u7a7a\u683c\uff0c\u6216\u8005\u4f7f\u7528\u683c\u5f0f\u5316\u65b9\u6cd5\u6765\u751f\u6210\u6240\u9700\u7684\u683c\u5f0f\u3002<\/p>\n<p><strong>Python\u4e2d\u5982\u4f55\u5904\u7406\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\uff1f<\/strong><br \/>\u5728\u5904\u7406\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>strip()<\/code>\u3001<code>lstrip()<\/code> \u548c <code>rstrip()<\/code> \u65b9\u6cd5\u6765\u5220\u9664\u5b57\u7b26\u4e32\u4e24\u7aef\u7684\u7a7a\u683c\u3002<code>strip()<\/code> \u5220\u9664\u4e24\u7aef\u7684\u7a7a\u683c\uff0c<code>lstrip()<\/code> \u4ec5\u5220\u9664\u5de6\u4fa7\u7a7a\u683c\uff0c<code>rstrip()<\/code> \u5219\u5220\u9664\u53f3\u4fa7\u7a7a\u683c\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5728\u6e05\u7406\u7528\u6237\u8f93\u5165\u6216\u683c\u5f0f\u5316\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u7a7a\u683c\u8fdb\u884c\u683c\u5f0f\u5316\u8f93\u51fa\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff08\u5982 f-string \u6216 <code>str.format()<\/code>\uff09\u6765\u5728\u8f93\u51fa\u4e2d\u6dfb\u52a0\u7a7a\u683c\u3002\u4f8b\u5982\uff0c\u5728 f-string \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5728\u82b1\u62ec\u53f7\u4e2d\u6dfb\u52a0\u7a7a\u683c\u6765\u8c03\u6574\u8f93\u51fa\u683c\u5f0f\u3002\u8fd8\u53ef\u4ee5\u4f7f\u7528 <code>print()<\/code> \u51fd\u6570\u4e2d\u7684 <code>sep<\/code> \u53c2\u6570\u6765\u5b9a\u4e49\u8f93\u51fa\u9879\u4e4b\u95f4\u7684\u5206\u9694\u7b26\uff0c\u8fd9\u6837\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u4e2d\u7684\u7a7a\u683c\u6570\u91cf\u548c\u4f4d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u7f16\u7a7a\u683c\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u5b9e\u73b0\uff0c\u4e3b\u8981\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u5faa\u73af\u751f\u6210\u7b49\u3002\u5b57\u7b26\u4e32\u8fde\u63a5\u662f\u6700 [&hellip;]","protected":false},"author":3,"featured_media":944837,"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\/944836"}],"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=944836"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/944836\/revisions"}],"predecessor-version":[{"id":944838,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/944836\/revisions\/944838"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/944837"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=944836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=944836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=944836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}