{"id":1095642,"date":"2025-01-08T14:53:06","date_gmt":"2025-01-08T06:53:06","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1095642.html"},"modified":"2025-01-08T14:53:10","modified_gmt":"2025-01-08T06:53:10","slug":"python%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e8%be%93%e5%85%a5%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%ba%e6%95%b0%e5%ad%97-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1095642.html","title":{"rendered":"Python\u5982\u4f55\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u4e3a\u6570\u5b57"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24211215\/cdf40528-6888-436f-9b27-64b0412ec961.webp\" alt=\"Python\u5982\u4f55\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u4e3a\u6570\u5b57\" \/><\/p>\n<p><p> <strong>Python\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5 <code>isdigit()<\/code>\u3001<code>isnumeric()<\/code>\u3001<code>isdecimal()<\/code>\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u3001\u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6570\u5b57\u7b49\u65b9\u5f0f\u3002\u5176\u4e2d\uff0c\u4f7f\u7528 <code>isdigit()<\/code> \u65b9\u6cd5\u662f\u6700\u5e38\u7528\u7684\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u5176\u9002\u7528\u8303\u56f4\u548c\u7279\u70b9\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u5b9a\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u5176\u4e2d\uff0c<code>isdigit()<\/code> \u65b9\u6cd5\u662f\u5b57\u7b26\u4e32\u65b9\u6cd5\u4e4b\u4e00\uff0c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002\u901a\u8fc7 <code>isdigit()<\/code> \u65b9\u6cd5\uff0c\u80fd\u591f\u6709\u6548\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>if input_str.isdigit():<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c<code>isdigit()<\/code> \u65b9\u6cd5\u68c0\u67e5 <code>input_str<\/code> \u662f\u5426\u4e3a\u6570\u5b57\u5b57\u7b26\uff0c\u5982\u679c\u662f\uff0c\u5219\u8f93\u51fa&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;\uff0c\u5426\u5219\u8f93\u51fa&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4ed6\u51e0\u79cd\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528 <code>isnumeric()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><code>isnumeric()<\/code> \u65b9\u6cd5\u4e0e <code>isdigit()<\/code> \u65b9\u6cd5\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002\u4e0d\u540c\u7684\u662f\uff0c<code>isnumeric()<\/code> \u65b9\u6cd5\u8fd8\u53ef\u4ee5\u8bc6\u522b\u4e00\u4e9b\u7279\u6b8a\u7684\u6570\u5b57\u5b57\u7b26\uff0c\u5982\u7f57\u9a6c\u6570\u5b57\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>if input_str.isnumeric():<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u867d\u7136 <code>isnumeric()<\/code> \u65b9\u6cd5\u7684\u9002\u7528\u8303\u56f4\u66f4\u5e7f\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c<code>isdigit()<\/code> \u65b9\u6cd5\u5df2\u7ecf\u8db3\u591f\u5927\u591a\u6570\u573a\u666f\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528 <code>isdecimal()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n<p><p><code>isdecimal()<\/code> \u65b9\u6cd5\u4e5f\u662f\u5b57\u7b26\u4e32\u65b9\u6cd5\u4e4b\u4e00\uff0c\u7528\u6765\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u5341\u8fdb\u5236\u6570\u5b57\u5b57\u7b26\u3002\u4e0e <code>isdigit()<\/code> \u548c <code>isnumeric()<\/code> \u65b9\u6cd5\u76f8\u6bd4\uff0c<code>isdecimal()<\/code> \u65b9\u6cd5\u7684\u68c0\u67e5\u8303\u56f4\u66f4\u7a84\uff0c\u901a\u5e38\u7528\u4e8e\u66f4\u4e25\u683c\u7684\u6570\u5b57\u5224\u65ad\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>if input_str.isdecimal():<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u5341\u8fdb\u5236\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u5341\u8fdb\u5236\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5339\u914d\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002Python \u4e2d\u53ef\u4ee5\u4f7f\u7528 <code>re<\/code> \u6a21\u5757\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>if re.match(r&#39;^\\d+$&#39;, input_str):<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c<code>re.match()<\/code> \u65b9\u6cd5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f <code>^\\d+$<\/code> \u68c0\u67e5 <code>input_str<\/code> \u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002\u5982\u679c\u5339\u914d\u6210\u529f\uff0c\u5219\u8f93\u51fa&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;\uff0c\u5426\u5219\u8f93\u51fa&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6570\u5b57<\/h3>\n<\/p>\n<p><p>\u53e6\u4e00\u79cd\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u662f\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8bf4\u660e\u8f93\u5165\u7684\u5b57\u7b26\u662f\u6570\u5b57\uff1b\u5426\u5219\uff0c\u8f93\u5165\u7684\u5b57\u7b26\u4e0d\u662f\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>try:<\/p>\n<p>    float(input_str)<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528 <code>float()<\/code> \u51fd\u6570\u5c1d\u8bd5\u5c06 <code>input_str<\/code> \u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8f93\u51fa&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;\uff0c\u5426\u5219\u6355\u83b7 <code>ValueError<\/code> \u5f02\u5e38\uff0c\u5e76\u8f93\u51fa&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u7efc\u5408\u6bd4\u8f83\u4e0e\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u975e\u5e38\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5bf9\u51e0\u79cd\u65b9\u6cd5\u7684\u7efc\u5408\u6bd4\u8f83\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong><code>isdigit()<\/code> \u65b9\u6cd5<\/strong>\uff1a\u6700\u5e38\u7528\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u573a\u666f\uff0c\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002<\/li>\n<li><strong><code>isnumeric()<\/code> \u65b9\u6cd5<\/strong>\uff1a\u9002\u7528\u8303\u56f4\u66f4\u5e7f\uff0c\u53ef\u4ee5\u8bc6\u522b\u4e00\u4e9b\u7279\u6b8a\u7684\u6570\u5b57\u5b57\u7b26\uff0c\u5982\u7f57\u9a6c\u6570\u5b57\u7b49\u3002<\/li>\n<li><strong><code>isdecimal()<\/code> \u65b9\u6cd5<\/strong>\uff1a\u68c0\u67e5\u8303\u56f4\u66f4\u7a84\uff0c\u901a\u5e38\u7528\u4e8e\u66f4\u4e25\u683c\u7684\u6570\u5b57\u5224\u65ad\u3002<\/li>\n<li><strong>\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\uff1a\u529f\u80fd\u5f3a\u5927\uff0c\u53ef\u4ee5\u7528\u6765\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\u3002<\/li>\n<li><strong>\u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6570\u5b57<\/strong>\uff1a\u9002\u7528\u4e8e\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u9002\u7528\u8303\u56f4\u5e7f\u3002<\/li>\n<\/ol>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8e\u7b80\u5355\u7684\u6570\u5b57\u5224\u65ad\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>isdigit()<\/code> \u65b9\u6cd5\uff1b\u5bf9\u4e8e\u9700\u8981\u8bc6\u522b\u7279\u6b8a\u6570\u5b57\u5b57\u7b26\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>isnumeric()<\/code> \u65b9\u6cd5\uff1b\u5bf9\u4e8e\u4e25\u683c\u7684\u5341\u8fdb\u5236\u6570\u5b57\u5224\u65ad\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>isdecimal()<\/code> \u65b9\u6cd5\uff1b\u5bf9\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff1b\u5bf9\u4e8e\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528\u5c1d\u8bd5\u8f6c\u6362\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u6269\u5c55\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u9700\u6c42\uff0c\u9664\u4e86\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u8fd8\u53ef\u4ee5\u7ed3\u5408\u5177\u4f53\u573a\u666f\u8fdb\u884c\u6269\u5c55\u5e94\u7528\u3002\u4f8b\u5982\uff0c\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6\u5b57\u7b26\u4e32\u65b9\u6cd5\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h4>1. \u53bb\u9664\u7a7a\u767d\u5b57\u7b26<\/h4>\n<\/p>\n<p><p>\u5728\u5224\u65ad\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u53bb\u9664\u8f93\u5165\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u4ee5\u63d0\u9ad8\u5224\u65ad\u7684\u51c6\u786e\u6027\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;).strip()<\/p>\n<p>if input_str.isdigit():<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2. \u5224\u65ad\u8d1f\u6570\u548c\u6d6e\u70b9\u6570<\/h4>\n<\/p>\n<p><p>\u5982\u679c\u9700\u8981\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u8d1f\u6570\u6216\u6d6e\u70b9\u6570\uff0c\u53ef\u4ee5\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u6216\u5c1d\u8bd5\u8f6c\u6362\u7684\u65b9\u6cd5\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>try:<\/p>\n<p>    float(input_str)<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u662f\u6570\u5b57&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c<code>float()<\/code> \u51fd\u6570\u53ef\u4ee5\u8bc6\u522b\u8d1f\u6570\u548c\u6d6e\u70b9\u6570\uff0c\u56e0\u6b64\u53ef\u4ee5\u6709\u6548\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><h4>3. \u5224\u65ad\u7279\u5b9a\u8303\u56f4\u7684\u6570\u5b57<\/h4>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u573a\u666f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u7279\u5b9a\u8303\u56f4\u5185\u7684\u6570\u5b57\u3002\u53ef\u4ee5\u7ed3\u5408\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">input_str = input(&quot;\u8bf7\u8f93\u5165\u5b57\u7b26: &quot;)<\/p>\n<p>try:<\/p>\n<p>    num = float(input_str)<\/p>\n<p>    if 0 &lt;= num &lt;= 100:<\/p>\n<p>        print(&quot;\u8f93\u5165\u7684\u662f 0 \u5230 100 \u4e4b\u95f4\u7684\u6570\u5b57&quot;)<\/p>\n<p>    else:<\/p>\n<p>        print(&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e0d\u5728 0 \u5230 100 \u4e4b\u95f4&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e0a\u8ff0\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a 0 \u5230 100 \u4e4b\u95f4\u7684\u6570\u5b57\uff0c\u5e76\u6839\u636e\u5224\u65ad\u7ed3\u679c\u8fdb\u884c\u76f8\u5e94\u7684\u8f93\u51fa\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3\u4e0e\u5efa\u8bae<\/h3>\n<\/p>\n<p><p>\u5728 Python \u4e2d\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u8303\u56f4\u548c\u7279\u70b9\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u5b9a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u603b\u7ed3\u4e0e\u5efa\u8bae\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5<\/strong>\uff1a\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982 <code>isdigit()<\/code> \u65b9\u6cd5\u9002\u7528\u4e8e\u5927\u591a\u6570\u573a\u666f\uff0c<code>isnumeric()<\/code> \u65b9\u6cd5\u9002\u7528\u4e8e\u8bc6\u522b\u7279\u6b8a\u6570\u5b57\u5b57\u7b26\uff0c<code>isdecimal()<\/code> \u65b9\u6cd5\u9002\u7528\u4e8e\u4e25\u683c\u7684\u5341\u8fdb\u5236\u6570\u5b57\u5224\u65ad\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u9002\u7528\u4e8e\u590d\u6742\u7684\u5b57\u7b26\u4e32\u5339\u914d\uff0c\u5c1d\u8bd5\u8f6c\u6362\u65b9\u6cd5\u9002\u7528\u4e8e\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6570\u5b57\u3002<\/li>\n<li><strong>\u7ed3\u5408\u5177\u4f53\u573a\u666f\u8fdb\u884c\u6269\u5c55\u5e94\u7528<\/strong>\uff1a\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6\u5b57\u7b26\u4e32\u65b9\u6cd5\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\uff0c\u4f8b\u5982\u53bb\u9664\u7a7a\u767d\u5b57\u7b26\u3001\u5224\u65ad\u8d1f\u6570\u548c\u6d6e\u70b9\u6570\u3001\u5224\u65ad\u7279\u5b9a\u8303\u56f4\u7684\u6570\u5b57\u7b49\u3002<\/li>\n<li><strong>\u8003\u8651\u8f93\u5165\u7684\u591a\u6837\u6027<\/strong>\uff1a\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7528\u6237\u8f93\u5165\u53ef\u80fd\u5b58\u5728\u591a\u79cd\u5f62\u5f0f\uff0c\u4f8b\u5982\u7a7a\u767d\u5b57\u7b26\u3001\u8d1f\u6570\u3001\u6d6e\u70b9\u6570\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u5e76\u8fdb\u884c\u5408\u7406\u5904\u7406\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5224\u65ad\u7684\u51c6\u786e\u6027\u548c\u9c81\u68d2\u6027\u3002<\/li>\n<\/ol>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\u548c\u5efa\u8bae\uff0c\u53ef\u4ee5\u6709\u6548\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u662f\u5426\u4e3a\u6570\u5b57\uff0c\u5e76\u6839\u636e\u5177\u4f53\u9700\u6c42\u8fdb\u884c\u76f8\u5e94\u5904\u7406\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u68c0\u67e5\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u662f\u6570\u5b57\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>str.isdigit()<\/code>\u65b9\u6cd5\u6765\u68c0\u67e5\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002\u5982\u679c\u5b57\u7b26\u4e32\u53ea\u5305\u542b\u6570\u5b57\uff0c\u8fd4\u56de\u503c\u4e3a<code>True<\/code>\uff0c\u5426\u5219\u8fd4\u56de<code>False<\/code>\u3002\u4f8b\u5982\uff0c<code>&quot;123&quot;.isdigit()<\/code>\u8fd4\u56de<code>True<\/code>\uff0c\u800c<code>&quot;123a&quot;.isdigit()<\/code>\u8fd4\u56de<code>False<\/code>\u3002<\/p>\n<p><strong>Python\u4e2d\u6709\u6ca1\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u9a8c\u8bc1\u6570\u5b57\u8f93\u5165\uff1f<\/strong><br \/>\u9664\u4e86<code>isdigit()<\/code>\u65b9\u6cd5\uff0cPython\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u6765\u9a8c\u8bc1\u8f93\u5165\u662f\u5426\u4e3a\u6570\u5b57\u3002\u901a\u8fc7\u5c1d\u8bd5\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a<code>int<\/code>\u6216<code>float<\/code>\uff0c\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8868\u793a\u8f93\u5165\u662f\u6570\u5b57\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528<code>try<\/code>\u548c<code>except<\/code>\u5757\u6765\u6355\u83b7\u8f6c\u6362\u9519\u8bef\uff0c\u4ece\u800c\u5224\u65ad\u8f93\u5165\u662f\u5426\u4e3a\u6709\u6548\u6570\u5b57\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u5e26\u5c0f\u6570\u70b9\u6216\u8d1f\u53f7\u7684\u6570\u5b57\u8f93\u5165\uff1f<\/strong><br \/>\u5728\u5904\u7406\u5e26\u6709\u5c0f\u6570\u70b9\u6216\u8d1f\u53f7\u7684\u6570\u5b57\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>try<\/code>\u548c<code>except<\/code>\u7ed3\u5408<code>float()<\/code>\u51fd\u6570\u8fdb\u884c\u9a8c\u8bc1\u3002<code>float()<\/code>\u51fd\u6570\u53ef\u4ee5\u5c06\u5e26\u5c0f\u6570\u70b9\u6216\u8d1f\u53f7\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8be5\u8f93\u5165\u53ef\u4ee5\u88ab\u8ba4\u4e3a\u662f\u6709\u6548\u7684\u6570\u5b57\u8f93\u5165\u3002\u6bd4\u5982\uff0c<code>&quot;12.34&quot;<\/code>\u548c<code>&quot;-5&quot;<\/code>\u90fd\u4f1a\u88ab\u6210\u529f\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5224\u65ad\u8f93\u5165\u7684\u5b57\u7b26\u4e3a\u6570\u5b57\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u65b9\u6cd5 isdigit()\u3001isnumeric()\u3001isde [&hellip;]","protected":false},"author":3,"featured_media":1095651,"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\/1095642"}],"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=1095642"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1095642\/revisions"}],"predecessor-version":[{"id":1095656,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1095642\/revisions\/1095656"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1095651"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1095642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1095642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1095642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}