{"id":1159940,"date":"2025-01-13T18:58:55","date_gmt":"2025-01-13T10:58:55","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1159940.html"},"modified":"2025-01-13T18:58:58","modified_gmt":"2025-01-13T10:58:58","slug":"python%e5%a6%82%e4%bd%95%e6%a3%80%e6%b5%8b%e8%be%93%e5%85%a5%e7%9a%84%e6%95%b0%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1159940.html","title":{"rendered":"python\u5982\u4f55\u68c0\u6d4b\u8f93\u5165\u7684\u6570\u5b57"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25201532\/cf5da0be-663c-4756-8ad6-f758a99b6552.webp\" alt=\"python\u5982\u4f55\u68c0\u6d4b\u8f93\u5165\u7684\u6570\u5b57\" \/><\/p>\n<p><p> <strong>\u4f7f\u7528Python\u68c0\u6d4b\u8f93\u5165\u7684\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u4ee5\u53ca\u7c7b\u578b\u68c0\u67e5\u7b49\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528<code>input()<\/code>\u51fd\u6570\u83b7\u53d6\u8f93\u5165\u3001\u4f7f\u7528<code>isdigit()<\/code>\u65b9\u6cd5\u68c0\u6d4b\u662f\u5426\u4e3a\u6570\u5b57\u3001\u4f7f\u7528<code>try-except<\/code>\u6355\u83b7\u5f02\u5e38\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002<\/strong> \u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528<code>try-except<\/code>\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u662f\u6700\u4e3a\u5e38\u89c1\u548c\u53ef\u9760\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u4e0d\u4ec5\u80fd\u68c0\u6d4b\u6574\u6570\uff0c\u8fd8\u80fd\u68c0\u6d4b\u6d6e\u70b9\u6570\u548c\u8d1f\u6570\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528<code>input()<\/code>\u51fd\u6570\u83b7\u53d6\u8f93\u5165<\/h3>\n<\/p>\n<p><p>Python\u4e2d\uff0c<code>input()<\/code>\u51fd\u6570\u7528\u4e8e\u4ece\u63a7\u5236\u53f0\u8f93\u5165\u6570\u636e\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<code>input()<\/code>\u51fd\u6570\u5c06\u8f93\u5165\u7684\u6570\u636e\u4f5c\u4e3a\u5b57\u7b26\u4e32\u5904\u7406\u3002\u5982\u679c\u9700\u8981\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u6570\u5b57\uff0c\u9700\u8981\u5bf9\u83b7\u53d6\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>\u4e8c\u3001\u4f7f\u7528<code>isdigit()<\/code>\u65b9\u6cd5\u68c0\u6d4b<\/h3>\n<\/p>\n<p><p><code>isdigit()<\/code>\u65b9\u6cd5\u7528\u4e8e\u68c0\u6d4b\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u7531\u6570\u5b57\u7ec4\u6210\u3002\u5b83\u53ea\u80fd\u7528\u4e8e\u68c0\u6d4b\u975e\u8d1f\u6574\u6570\uff0c\u4e0d\u80fd\u68c0\u6d4b\u8d1f\u6570\u548c\u5c0f\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>if user_input.isdigit():<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a<code>isdigit()<\/code>\u65b9\u6cd5\u53ea\u80fd\u68c0\u6d4b\u975e\u8d1f\u6574\u6570\uff0c\u4f8b\u5982\u8f93\u5165<code>123<\/code>\u4f1a\u8fd4\u56de<code>True<\/code>\uff0c\u4f46\u8f93\u5165<code>-123<\/code>\u6216<code>12.34<\/code>\u4f1a\u8fd4\u56de<code>False<\/code>\u3002\u56e0\u6b64\uff0c<code>isdigit()<\/code>\u65b9\u6cd5\u7684\u9002\u7528\u8303\u56f4\u6709\u9650\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528<code>try-except<\/code>\u6355\u83b7\u5f02\u5e38\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362<\/h3>\n<\/p>\n<p><p>\u8fd9\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u68c0\u6d4b\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u8d1f\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>try:<\/p>\n<p>    val = float(user_input)<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u9996\u5148\u5c06\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u5c1d\u8bd5\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u5219\u8f93\u5165\u7684\u662f\u4e00\u4e2a\u6570\u5b57\uff1b\u5982\u679c\u629b\u51fa<code>ValueError<\/code>\u5f02\u5e38\uff0c\u5219\u8f93\u5165\u7684\u4e0d\u662f\u4e00\u4e2a\u6570\u5b57\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5904\u7406\u5404\u79cd\u7c7b\u578b\u7684\u6570\u5b57\u8f93\u5165\uff0c\u5305\u62ec\u6574\u6570\u3001\u8d1f\u6570\u548c\u6d6e\u70b9\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u68c0\u6d4b<\/h3>\n<\/p>\n<p><p>\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5904\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u6d4b\u590d\u6742\u7684\u8f93\u5165\u6a21\u5f0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>if re.match(r&#39;^-?\\d+(\\.\\d+)?$&#39;, user_input):<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u8be6\u7ec6\u63cf\u8ff0<\/strong>\uff1a\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5339\u914d\u6570\u5b57\u6a21\u5f0f\u3002<code>^-?<\/code>\u8868\u793a\u53ef\u9009\u7684\u8d1f\u53f7\uff0c<code>\\d+<\/code>\u8868\u793a\u4e00\u4e2a\u6216\u591a\u4e2a\u6570\u5b57\uff0c<code>(\\.\\d+)?<\/code>\u8868\u793a\u53ef\u9009\u7684\u5c0f\u6570\u90e8\u5206\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u68c0\u6d4b\u5404\u79cd\u7c7b\u578b\u7684\u6570\u5b57\u8f93\u5165\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u51e0\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u68c0\u6d4b\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6570\u5b57\u3002<strong>\u4f7f\u7528<code>try-except<\/code>\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u662f\u6700\u4e3a\u901a\u7528\u548c\u53ef\u9760\u7684\u65b9\u6cd5<\/strong>\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u5904\u7406\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u8d1f\u6570\u3002\u800c<code>isdigit()<\/code>\u65b9\u6cd5\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u5219\u9002\u7528\u4e8e\u7279\u5b9a\u7684\u573a\u666f\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8fdb\u884c\u8f93\u5165\u68c0\u6d4b\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u8be6\u7ec6\u5b9e\u4f8b\u5206\u6790<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u8fd9\u4e9b\u65b9\u6cd5\u7684\u4f7f\u7528\uff0c\u4e0b\u9762\u5c06\u901a\u8fc7\u8be6\u7ec6\u5b9e\u4f8b\u8fdb\u884c\u5206\u6790\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u68c0\u6d4b\u6574\u6570\u8f93\u5165<\/h4>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u68c0\u6d4b\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6574\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: &quot;)<\/p>\n<p>try:<\/p>\n<p>    val = int(user_input)<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6574\u6570&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6574\u6570&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d\uff0c<code>int()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u5982\u679c\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u4e0d\u80fd\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5219\u4f1a\u629b\u51fa<code>ValueError<\/code>\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u68c0\u6d4b\u6d6e\u70b9\u6570\u8f93\u5165<\/h4>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u68c0\u6d4b\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6d6e\u70b9\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6d6e\u70b9\u6570: &quot;)<\/p>\n<p>try:<\/p>\n<p>    val = float(user_input)<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6d6e\u70b9\u6570&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6d6e\u70b9\u6570&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d\uff0c<code>float()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u4e0d\u80fd\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\uff0c\u5219\u4f1a\u629b\u51fa<code>ValueError<\/code>\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><h4>3\u3001\u7efc\u5408\u68c0\u6d4b<\/h4>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u540c\u65f6\u68c0\u6d4b\u6574\u6570\u548c\u6d6e\u70b9\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>try:<\/p>\n<p>    val = float(user_input)<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d\uff0c<code>float()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u7531\u4e8e\u6d6e\u70b9\u6570\u5305\u542b\u6574\u6570\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u540c\u65f6\u68c0\u6d4b\u6574\u6570\u548c\u6d6e\u70b9\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u8fdb\u9636\u5e94\u7528<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u66f4\u590d\u6742\u7684\u8f93\u5165\u68c0\u6d4b\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u9700\u8981\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u7279\u5b9a\u8303\u56f4\u5185\u7684\u6570\u5b57\uff0c\u6216\u8005\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u68c0\u6d4b\u8303\u56f4\u5185\u7684\u6570\u5b57<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u5728\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u540e\uff0c\u8fdb\u4e00\u6b65\u5224\u65ad\u6570\u5b57\u662f\u5426\u5728\u7279\u5b9a\u8303\u56f4\u5185\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a0\u5230100\u4e4b\u95f4\u7684\u6570\u5b57: &quot;)<\/p>\n<p>try:<\/p>\n<p>    val = float(user_input)<\/p>\n<p>    if 0 &lt;= val &lt;= 100:<\/p>\n<p>        print(f&quot;{user_input} \u662f\u4e00\u4e2a0\u5230100\u4e4b\u95f4\u7684\u6570\u5b57&quot;)<\/p>\n<p>    else:<\/p>\n<p>        print(f&quot;{user_input} \u4e0d\u57280\u5230100\u4e4b\u95f4&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u9996\u5148\u901a\u8fc7<code>float()<\/code>\u51fd\u6570\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\uff0c\u7136\u540e\u5224\u65ad\u6570\u5b57\u662f\u5426\u57280\u5230100\u4e4b\u95f4\u3002<\/p>\n<\/p>\n<p><h4>2\u3001\u68c0\u6d4b\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u5b57<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u68c0\u6d4b\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u5b57\u3002\u4f8b\u5982\uff0c\u9700\u8981\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6570\u5b57: &quot;)<\/p>\n<p>if re.match(r&#39;^-?\\d+(\\.\\d+)?[eE][-+]?\\d+$&#39;, user_input):<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6570\u5b57&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6570\u5b57&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f<code>^-?\\d+(\\.\\d+)?[eE][-+]?\\d+$<\/code>\u7528\u4e8e\u5339\u914d\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><h3>\u516b\u3001\u5b9e\u6218\u6848\u4f8b<\/h3>\n<\/p>\n<p><p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7efc\u5408\u5b9e\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u68c0\u6d4b\u7528\u6237\u8f93\u5165\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def is_number(s):<\/p>\n<p>    try:<\/p>\n<p>        float(s)<\/p>\n<p>        return True<\/p>\n<p>    except ValueError:<\/p>\n<p>        return False<\/p>\n<p>def m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n():<\/p>\n<p>    user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>    if is_number(user_input):<\/p>\n<p>        val = float(user_input)<\/p>\n<p>        if re.match(r&#39;^-?\\d+(\\.\\d+)?$&#39;, user_input):<\/p>\n<p>            print(f&quot;{user_input} \u662f\u4e00\u4e2a\u666e\u901a\u6570\u5b57&quot;)<\/p>\n<p>        elif re.match(r&#39;^-?\\d+(\\.\\d+)?[eE][-+]?\\d+$&#39;, user_input):<\/p>\n<p>            print(f&quot;{user_input} \u662f\u4e00\u4e2a\u79d1\u5b66\u8ba1\u6570\u6cd5\u8868\u793a\u7684\u6570\u5b57&quot;)<\/p>\n<p>        else:<\/p>\n<p>            print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6d6e\u70b9\u6570&quot;)<\/p>\n<p>    else:<\/p>\n<p>        print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6570\u5b57&quot;)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u5b9e\u4f8b\u4e2d\uff0c\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a<code>is_number()<\/code>\u51fd\u6570\uff0c\u7528\u4e8e\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u6570\u5b57\u3002\u7136\u540e\u5728<code>main()<\/code>\u51fd\u6570\u4e2d\uff0c\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u4e00\u6b65\u68c0\u6d4b\u8f93\u5165\u7684\u5177\u4f53\u683c\u5f0f\u3002<\/p>\n<\/p>\n<p><h3>\u4e5d\u3001\u603b\u7ed3\u4e0e\u601d\u8003<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9\uff0c\u53ef\u4ee5\u770b\u51fa\uff0c<strong>\u4f7f\u7528<code>try-except<\/code>\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u662f\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u6570\u5b57\u7684\u6700\u5e38\u7528\u548c\u53ef\u9760\u7684\u65b9\u6cd5<\/strong>\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u8fdb\u884c\u8f93\u5165\u68c0\u6d4b\u3002\u540c\u65f6\uff0c\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u68c0\u6d4b\u66f4\u4e3a\u590d\u6742\u7684\u8f93\u5165\u683c\u5f0f\u3002<\/p>\n<\/p>\n<p><p>\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u5efa\u8bae\u5c3d\u91cf\u8003\u8651\u5230\u5404\u79cd\u53ef\u80fd\u7684\u8f93\u5165\u60c5\u51b5\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5e94\u5c3d\u91cf\u786e\u4fdd\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u5bb9\u9519\u6027\u3002\u901a\u8fc7\u5408\u7406\u7684\u8f93\u5165\u68c0\u6d4b\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u3001\u8fdb\u4e00\u6b65\u6269\u5c55<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u66f4\u590d\u6742\u7684\u8f93\u5165\u68c0\u6d4b\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u9700\u8981\u68c0\u6d4b\u8f93\u5165\u662f\u5426\u4e3a\u65e5\u671f\u3001\u65f6\u95f4\u3001IP\u5730\u5740\u7b49\u7279\u5b9a\u683c\u5f0f\u7684\u6570\u636e\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u5176\u4ed6\u65b9\u6cd5\u8fdb\u884c\u7efc\u5408\u68c0\u6d4b\u3002<\/p>\n<\/p>\n<p><h4>1\u3001\u68c0\u6d4b\u65e5\u671f\u8f93\u5165<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u548c<code>datetime<\/code>\u6a21\u5757\u6765\u68c0\u6d4b\u65e5\u671f\u8f93\u5165\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>from datetime import datetime<\/p>\n<p>def is_date(date_str):<\/p>\n<p>    try:<\/p>\n<p>        datetime.strptime(date_str, &#39;%Y-%m-%d&#39;)<\/p>\n<p>        return True<\/p>\n<p>    except ValueError:<\/p>\n<p>        return False<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u65e5\u671f (YYYY-MM-DD): &quot;)<\/p>\n<p>if is_date(user_input):<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6709\u6548\u7684\u65e5\u671f&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684\u65e5\u671f&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>2\u3001\u68c0\u6d4b\u65f6\u95f4\u8f93\u5165<\/h4>\n<\/p>\n<p><p>\u540c\u6837\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u548c<code>datetime<\/code>\u6a21\u5757\u6765\u68c0\u6d4b\u65f6\u95f4\u8f93\u5165\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>from datetime import datetime<\/p>\n<p>def is_time(time_str):<\/p>\n<p>    try:<\/p>\n<p>        datetime.strptime(time_str, &#39;%H:%M:%S&#39;)<\/p>\n<p>        return True<\/p>\n<p>    except ValueError:<\/p>\n<p>        return False<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u65f6\u95f4 (HH:MM:SS): &quot;)<\/p>\n<p>if is_time(user_input):<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6709\u6548\u7684\u65f6\u95f4&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684\u65f6\u95f4&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3\u3001\u68c0\u6d4bIP\u5730\u5740\u8f93\u5165<\/h4>\n<\/p>\n<p><p>\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u68c0\u6d4bIP\u5730\u5740\u8f93\u5165\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>def is_ip(ip_str):<\/p>\n<p>    pattern = re.compile(r&#39;^(\\d{1,3}\\.){3}\\d{1,3}$&#39;)<\/p>\n<p>    if pattern.match(ip_str):<\/p>\n<p>        parts = ip_str.split(&#39;.&#39;)<\/p>\n<p>        if all(0 &lt;= int(part) &lt;= 255 for part in parts):<\/p>\n<p>            return True<\/p>\n<p>    return False<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2aIP\u5730\u5740: &quot;)<\/p>\n<p>if is_ip(user_input):<\/p>\n<p>    print(f&quot;{user_input} \u662f\u4e00\u4e2a\u6709\u6548\u7684IP\u5730\u5740&quot;)<\/p>\n<p>else:<\/p>\n<p>    print(f&quot;{user_input} \u4e0d\u662f\u4e00\u4e2a\u6709\u6548\u7684IP\u5730\u5740&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u4e9b\u5b9e\u4f8b\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u548c<code>try-except<\/code>\u7ed3\u6784\u5728\u8f93\u5165\u68c0\u6d4b\u4e2d\u5177\u6709\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u53ef\u4ee5\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u786e\u4fdd\u8f93\u5165\u6570\u636e\u7684\u6b63\u786e\u6027\u548c\u6709\u6548\u6027\u3002<\/p>\n<\/p>\n<p><h3>\u5341\u4e00\u3001\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u8f93\u5165\u68c0\u6d4b\u7684\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>\u660e\u786e\u9700\u6c42<\/strong>\uff1a\u5728\u7f16\u5199\u8f93\u5165\u68c0\u6d4b\u4ee3\u7801\u4e4b\u524d\uff0c\u660e\u786e\u9700\u8981\u68c0\u6d4b\u7684\u8f93\u5165\u7c7b\u578b\u548c\u683c\u5f0f\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u68c0\u6d4b\u65b9\u6cd5\u3002<\/li>\n<li><strong>\u4f7f\u7528<code>try-except<\/code>\u7ed3\u6784<\/strong>\uff1a\u5bf9\u4e8e\u6570\u5b57\u8f93\u5165\uff0c\u4f7f\u7528<code>try-except<\/code>\u7ed3\u6784\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u662f\u6700\u4e3a\u901a\u7528\u548c\u53ef\u9760\u7684\u65b9\u6cd5\u3002\u53ef\u4ee5\u5904\u7406\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u8d1f\u6570\u3002<\/li>\n<li><strong>\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f<\/strong>\uff1a\u5bf9\u4e8e\u7279\u5b9a\u683c\u5f0f\u7684\u8f93\u5165\uff0c\u53ef\u4ee5\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u68c0\u6d4b\u3002\u4f8b\u5982\uff0c\u65e5\u671f\u3001\u65f6\u95f4\u3001IP\u5730\u5740\u7b49\u3002<\/li>\n<li><strong>\u8003\u8651\u8fb9\u754c\u60c5\u51b5<\/strong>\uff1a\u5728\u7f16\u5199\u8f93\u5165\u68c0\u6d4b\u4ee3\u7801\u65f6\uff0c\u8003\u8651\u5404\u79cd\u53ef\u80fd\u7684\u8fb9\u754c\u60c5\u51b5\u548c\u5f02\u5e38\u8f93\u5165\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u5bb9\u9519\u6027\u3002<\/li>\n<li><strong>\u63d0\u4f9b\u53cb\u597d\u7684\u9519\u8bef\u63d0\u793a<\/strong>\uff1a\u5f53\u8f93\u5165\u4e0d\u7b26\u5408\u8981\u6c42\u65f6\uff0c\u63d0\u4f9b\u53cb\u597d\u7684\u9519\u8bef\u63d0\u793a\uff0c\u5e2e\u52a9\u7528\u6237\u7ea0\u6b63\u8f93\u5165\u9519\u8bef\u3002<\/li>\n<\/ol>\n<p><h3>\u5341\u4e8c\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u53ef\u4ee5\u4e86\u89e3\u5230Python\u4e2d\u68c0\u6d4b\u8f93\u5165\u6570\u5b57\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u4ee5\u53ca\u7c7b\u578b\u68c0\u67e5\u7b49\u3002<strong>\u4f7f\u7528<code>try-except<\/code>\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u662f\u6700\u4e3a\u901a\u7528\u548c\u53ef\u9760\u7684\u65b9\u6cd5<\/strong>\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u6570\u5b57\u8f93\u5165\u3002\u540c\u65f6\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u5728\u68c0\u6d4b\u7279\u5b9a\u683c\u5f0f\u7684\u8f93\u5165\u65f6\u5177\u6709\u5f3a\u5927\u7684\u529f\u80fd\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u8fdb\u884c\u8f93\u5165\u68c0\u6d4b\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u5065\u58ee\u6027\u548c\u5bb9\u9519\u6027\uff0c\u662f\u786e\u4fdd\u8f93\u5165\u6570\u636e\u6b63\u786e\u6027\u548c\u6709\u6548\u6027\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u7684\u6570\u5b57\u7c7b\u578b\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>input()<\/code>\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\uff0c\u5e76\u7ed3\u5408<code>str.isdigit()<\/code>\u65b9\u6cd5\u6765\u68c0\u67e5\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u662f\u5426\u8868\u793a\u4e00\u4e2a\u975e\u8d1f\u6574\u6570\u3002\u5982\u679c\u9700\u8981\u5904\u7406\u8d1f\u6570\u6216\u6d6e\u70b9\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528<code>try<\/code>\u548c<code>except<\/code>\u8bed\u53e5\u6765\u6355\u6349\u5f02\u5e38\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a<code>int<\/code>\u6216<code>float<\/code>\u7c7b\u578b\uff0c\u5982\u679c\u8f6c\u6362\u5931\u8d25\uff0c\u5219\u8bf4\u660e\u8f93\u5165\u4e0d\u662f\u6709\u6548\u7684\u6570\u5b57\u3002<\/p>\n<p><strong>\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57\uff0c\u5982\u4f55\u7ed9\u51fa\u63d0\u793a\u4fe1\u606f\uff1f<\/strong><br \/>\u53ef\u4ee5\u5728\u6355\u83b7\u8f93\u5165\u65f6\uff0c\u7ed3\u5408\u6761\u4ef6\u8bed\u53e5\u63d0\u4f9b\u7528\u6237\u53cb\u597d\u7684\u63d0\u793a\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u5728\u8f93\u5165\u540e\u68c0\u67e5\u8f93\u5165\u662f\u5426\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u5982\u679c\u4e0d\u80fd\uff0c\u5219\u6253\u5370\u51fa\u76f8\u5173\u63d0\u793a\uff0c\u544a\u77e5\u7528\u6237\u9700\u8981\u8f93\u5165\u6709\u6548\u7684\u6570\u5b57\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7<code>print()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u7406\u89e3\u9519\u8bef\u5e76\u91cd\u65b0\u8f93\u5165\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406\u8f93\u5165\u4e2d\u7684\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\uff1f<\/strong><br \/>\u5728\u7528\u6237\u8f93\u5165\u65f6\uff0c\u6709\u65f6\u4f1a\u5305\u542b\u7a7a\u683c\u6216\u7279\u6b8a\u5b57\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528<code>strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u8f93\u5165\u5b57\u7b26\u4e32\u7684\u524d\u540e\u7a7a\u683c\u3002\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u8f93\u5165\u9a8c\u8bc1\uff0c\u5efa\u8bae\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5339\u914d\u6570\u5b57\u683c\u5f0f\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5373\u4f7f\u7528\u6237\u8f93\u5165\u4e86\u4e0d\u89c4\u8303\u7684\u683c\u5f0f\u4e5f\u80fd\u8fdb\u884c\u6709\u6548\u7684\u68c0\u6d4b\u548c\u5904\u7406\u3002\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u5b9a\u4e49\u6709\u6548\u6570\u5b57\u7684\u89c4\u5219\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Python\u68c0\u6d4b\u8f93\u5165\u7684\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u4ee5\u53ca\u7c7b\u578b\u68c0\u67e5\u7b49\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u6709 [&hellip;]","protected":false},"author":3,"featured_media":1159951,"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\/1159940"}],"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=1159940"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1159940\/revisions"}],"predecessor-version":[{"id":1159954,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1159940\/revisions\/1159954"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1159951"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1159940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1159940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1159940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}