{"id":1048116,"date":"2024-12-31T13:48:15","date_gmt":"2024-12-31T05:48:15","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1048116.html"},"modified":"2024-12-31T13:48:20","modified_gmt":"2024-12-31T05:48:20","slug":"python%e5%a6%82%e4%bd%95%e8%ae%a9%e8%be%93%e5%85%a5%e7%9a%84%e6%95%b0%e4%b8%ba%e5%b0%8f%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1048116.html","title":{"rendered":"Python\u5982\u4f55\u8ba9\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/da294f22-a737-4615-921e-b588e24d434e.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"Python\u5982\u4f55\u8ba9\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570\" \/><\/p>\n<p><p> <strong>Python\u5982\u4f55\u8ba9\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570<\/strong><\/p>\n<\/p>\n<p><p><strong>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570float()\u3001\u76f4\u63a5\u8f93\u5165\u5e26\u5c0f\u6570\u70b9\u7684\u6570\u5b57\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u8f6c\u6362\u7684\u65b9\u6cd5\u6765\u786e\u4fdd\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528float()\u51fd\u6570\u662f\u6700\u5e38\u89c1\u4e14\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u51c6\u786e\u5730\u5c06\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u51e0\u79cd\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u4f7f\u7528float()\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528float()\u51fd\u6570\u662f\u5c06\u7528\u6237\u8f93\u5165\u7684\u6570\u8f6c\u6362\u4e3a\u5c0f\u6570\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002\u65e0\u8bba\u7528\u6237\u8f93\u5165\u7684\u662f\u6574\u6570\u8fd8\u662f\u5c0f\u6570\uff0cfloat()\u51fd\u6570\u90fd\u53ef\u4ee5\u786e\u4fdd\u8f93\u5165\u88ab\u6b63\u786e\u5730\u8f6c\u6362\u4e3a\u6d6e\u70b9\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>user_float = float(user_input)<\/p>\n<p>print(f&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e3a\u5c0f\u6570: {user_float}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u65e0\u8bba\u7528\u6237\u8f93\u5165\u7684\u662f\u201c5\u201d\u8fd8\u662f\u201c5.0\u201d\uff0c\u6700\u7ec8\u90fd\u4f1a\u88ab\u8f6c\u6362\u4e3a\u6d6e\u70b9\u65705.0\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u76f4\u63a5\u8f93\u5165\u5e26\u5c0f\u6570\u70b9\u7684\u6570\u5b57<\/h3>\n<\/p>\n<p><p>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u8981\u6c42\u7528\u6237\u76f4\u63a5\u8f93\u5165\u5e26\u5c0f\u6570\u70b9\u7684\u6570\u5b57\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u4f46\u9700\u8981\u786e\u4fdd\u7528\u6237\u8f93\u5165\u683c\u5f0f\u6b63\u786e\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5e26\u5c0f\u6570\u70b9\u7684\u6570\u5b57: &quot;)<\/p>\n<p>try:<\/p>\n<p>    user_float = float(user_input)<\/p>\n<p>    print(f&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e3a\u5c0f\u6570: {user_float}&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff01&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u4f9d\u8d56\u4e8e\u7528\u6237\u7684\u6b63\u786e\u8f93\u5165\u683c\u5f0f\uff0c\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u662f\u6574\u6570\u6216\u8005\u683c\u5f0f\u9519\u8bef\u7684\u5b57\u7b26\u4e32\uff0c\u7a0b\u5e8f\u4f1a\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u8f6c\u6362\u7684\u65b9\u6cd5<\/h3>\n<\/p>\n<p><p>\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u5904\u7406\u4e00\u4e9b\u7279\u5b9a\u683c\u5f0f\u7684\u8f93\u5165\uff0c\u4f8b\u5982\u5e26\u6709\u9017\u53f7\u5206\u9694\u7b26\u7684\u6570\u5b57\u3002\u6211\u4eec\u53ef\u4ee5\u5148\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8fdb\u884c\u5904\u7406\uff0c\u7136\u540e\u518d\u8f6c\u6362\u4e3a\u5c0f\u6570\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff08\u53ef\u4ee5\u5305\u542b\u9017\u53f7\u5206\u9694\u7b26\uff09: &quot;)<\/p>\n<h2><strong>\u53bb\u6389\u9017\u53f7<\/strong><\/h2>\n<p>user_input = user_input.replace(&#39;,&#39;, &#39;&#39;)<\/p>\n<p>try:<\/p>\n<p>    user_float = float(user_input)<\/p>\n<p>    print(f&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e3a\u5c0f\u6570: {user_float}&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff01&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u5e26\u6709\u9017\u53f7\u7684\u6570\u5b57\uff0c\u4f8b\u5982\u201c1,234.56\u201d\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5904\u7406\u975e\u6cd5\u8f93\u5165<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u53ef\u80fd\u4e0d\u7b26\u5408\u9884\u671f\uff0c\u4f8b\u5982\u8f93\u5165\u5b57\u6bcd\u6216\u7b26\u53f7\u3002\u4e3a\u4e86\u63d0\u9ad8\u7a0b\u5e8f\u7684\u9c81\u68d2\u6027\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u8f93\u5165\u8fdb\u884c\u9a8c\u8bc1\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">while True:<\/p>\n<p>    user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>    try:<\/p>\n<p>        user_float = float(user_input)<\/p>\n<p>        print(f&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e3a\u5c0f\u6570: {user_float}&quot;)<\/p>\n<p>        break<\/p>\n<p>    except ValueError:<\/p>\n<p>        print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff01&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u793a\u4f8b\u4f7f\u7528\u4e86\u4e00\u4e2a\u5faa\u73af\uff0c\u76f4\u5230\u7528\u6237\u8f93\u5165\u6709\u6548\u7684\u5c0f\u6570\u4e3a\u6b62\u3002\u5982\u679c\u8f93\u5165\u65e0\u6548\uff0c\u7a0b\u5e8f\u4f1a\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u66f4\u7cbe\u786e\u5730\u63a7\u5236\u7528\u6237\u8f93\u5165\u7684\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5bf9\u8f93\u5165\u8fdb\u884c\u9a8c\u8bc1\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u4ee5\u786e\u4fdd\u8f93\u5165\u7b26\u5408\u7279\u5b9a\u7684\u6a21\u5f0f\uff0c\u4f8b\u5982\u5c0f\u6570\u70b9\u524d\u540e\u90fd\u6709\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import re<\/p>\n<p>pattern = re.compile(r&#39;^-?\\d+(\\.\\d+)?$&#39;)<\/p>\n<p>while True:<\/p>\n<p>    user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: &quot;)<\/p>\n<p>    if pattern.match(user_input):<\/p>\n<p>        user_float = float(user_input)<\/p>\n<p>        print(f&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e3a\u5c0f\u6570: {user_float}&quot;)<\/p>\n<p>        break<\/p>\n<p>    else:<\/p>\n<p>        print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff01&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u793a\u4f8b\u4f7f\u7528\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6709\u6548\u7684\u5c0f\u6570\u683c\u5f0f\u3002\u5982\u679c\u8f93\u5165\u7b26\u5408\u6a21\u5f0f\uff0c\u7a0b\u5e8f\u4f1a\u5c06\u5176\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\uff1b\u5426\u5219\uff0c\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u5904\u7406\u56fd\u9645\u5316\u8f93\u5165<\/h3>\n<\/p>\n<p><p>\u5728\u56fd\u9645\u5316\u5e94\u7528\u4e2d\uff0c\u4e0d\u540c\u56fd\u5bb6\u548c\u5730\u533a\u7684\u6570\u5b57\u8868\u793a\u65b9\u5f0f\u53ef\u80fd\u4e0d\u540c\u3002\u4f8b\u5982\uff0c\u6709\u4e9b\u56fd\u5bb6\u4f7f\u7528\u9017\u53f7\u4f5c\u4e3a\u5c0f\u6570\u70b9\uff0c\u4f7f\u7528\u70b9\u4f5c\u4e3a\u5343\u5206\u4f4d\u5206\u9694\u7b26\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528locale\u6a21\u5757\u6765\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import locale<\/p>\n<p>locale.setlocale(locale.LC_NUMERIC, &#39;de_DE&#39;)  # \u8bbe\u7f6e\u4e3a\u5fb7\u56fd\u7684\u6570\u5b57\u683c\u5f0f<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff08\u5fb7\u5f0f\u683c\u5f0f\uff09: &quot;)<\/p>\n<p>try:<\/p>\n<p>    user_float = locale.atof(user_input)<\/p>\n<p>    print(f&quot;\u8f93\u5165\u7684\u6570\u5b57\u4e3a\u5c0f\u6570: {user_float}&quot;)<\/p>\n<p>except ValueError:<\/p>\n<p>    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff0c\u8bf7\u91cd\u65b0\u8f93\u5165\uff01&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u793a\u4f8b\u4f7f\u7528\u5fb7\u56fd\u7684\u6570\u5b57\u683c\u5f0f\uff0clocale.atof()\u51fd\u6570\u4f1a\u6839\u636e\u5f53\u524d\u533a\u57df\u8bbe\u7f6e\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fdd\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528float()\u51fd\u6570\uff0c\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u3002\u5bf9\u4e8e\u9700\u8981\u5904\u7406\u7279\u5b9a\u683c\u5f0f\u7684\u8f93\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u6b64\u5916\uff0c\u5728\u56fd\u9645\u5316\u5e94\u7528\u4e2d\uff0clocale\u6a21\u5757\u63d0\u4f9b\u4e86\u65b9\u4fbf\u7684\u5de5\u5177\u6765\u5904\u7406\u4e0d\u540c\u7684\u6570\u5b57\u8868\u793a\u65b9\u5f0f\u3002\u65e0\u8bba\u91c7\u7528\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u9700\u8981\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u9a8c\u8bc1\u548c\u5904\u7406\uff0c\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u7684\u9c81\u68d2\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u6700\u5408\u9002\u7684\u65b9\u5f0f\u6765\u5904\u7406\u7528\u6237\u8f93\u5165\uff0c\u5e76\u786e\u4fdd\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570\u3002\u8fd9\u6837\u4e0d\u4ec5\u80fd\u591f\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7528\u6237\u4f53\u9a8c\uff0c\u8fd8\u80fd\u907f\u514d\u56e0\u8f93\u5165\u9519\u8bef\u5bfc\u81f4\u7684\u7a0b\u5e8f\u5d29\u6e83\u6216\u5f02\u5e38\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u5c0f\u6570\u683c\u5f0f\u6b63\u786e\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>float()<\/code>\u51fd\u6570\u6765\u5c06\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5c0f\u6570\u3002\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u65e0\u6cd5\u8f6c\u6362\uff0c\u7a0b\u5e8f\u4f1a\u629b\u51fa\u4e00\u4e2a\u9519\u8bef\u3002\u4e3a\u4e86\u786e\u4fdd\u8f93\u5165\u683c\u5f0f\u6b63\u786e\uff0c\u53ef\u4ee5\u4f7f\u7528<code>try...except<\/code>\u7ed3\u6784\u6765\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5c0f\u6570\uff1a&quot;)\ntry:\n    decimal_number = float(user_input)\n    print(f&quot;\u60a8\u8f93\u5165\u7684\u5c0f\u6570\u662f\uff1a{decimal_number}&quot;)\nexcept ValueError:\n    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff0c\u8bf7\u91cd\u8bd5\u3002&quot;)\n<\/code><\/pre>\n<p><strong>\u5982\u4f55\u9650\u5236\u7528\u6237\u8f93\u5165\u7684\u5c0f\u6570\u7684\u8303\u56f4\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u5728\u83b7\u53d6\u7528\u6237\u8f93\u5165\u540e\uff0c\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u68c0\u67e5\u8be5\u5c0f\u6570\u662f\u5426\u5728\u9884\u5b9a\u8303\u56f4\u5185\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u7528\u6237\u8f93\u5165\u7684\u6570\u503c\u57280\u523010\u4e4b\u95f4\uff0c\u53ef\u4ee5\u8fd9\u6837\u5b9e\u73b0\uff1a<\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a0\u523010\u4e4b\u95f4\u7684\u5c0f\u6570\uff1a&quot;)\ntry:\n    decimal_number = float(user_input)\n    if 0 &lt;= decimal_number &lt;= 10:\n        print(f&quot;\u60a8\u8f93\u5165\u7684\u5c0f\u6570\u662f\uff1a{decimal_number}&quot;)\n    else:\n        print(&quot;\u8f93\u5165\u7684\u5c0f\u6570\u4e0d\u5728\u8303\u56f4\u5185\uff0c\u8bf7\u91cd\u8bd5\u3002&quot;)\nexcept ValueError:\n    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff0c\u8bf7\u91cd\u8bd5\u3002&quot;)\n<\/code><\/pre>\n<p><strong>\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u5c0f\u6570\u65f6\u7684\u683c\u5f0f\u95ee\u9898\uff1f<\/strong><br \/>\u5728\u7528\u6237\u8f93\u5165\u5c0f\u6570\u65f6\uff0c\u53ef\u80fd\u4f1a\u4f7f\u7528\u4e0d\u540c\u7684\u683c\u5f0f\uff0c\u6bd4\u5982\u4f7f\u7528\u9017\u53f7\u6216\u70b9\u4f5c\u4e3a\u5c0f\u6570\u70b9\u3002\u4e3a\u4e86\u5904\u7406\u8fd9\u4e9b\u60c5\u51b5\uff0c\u53ef\u4ee5\u5728\u8f6c\u6362\u4e4b\u524d\u5bf9\u8f93\u5165\u5b57\u7b26\u4e32\u8fdb\u884c\u9884\u5904\u7406\uff0c\u66ff\u6362\u6389\u4e0d\u5408\u9002\u7684\u5b57\u7b26\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u5c0f\u6570\uff1a&quot;)\nuser_input = user_input.replace(&#39;,&#39;, &#39;.&#39;)  # \u66ff\u6362\u9017\u53f7\u4e3a\u70b9\ntry:\n    decimal_number = float(user_input)\n    print(f&quot;\u60a8\u8f93\u5165\u7684\u5c0f\u6570\u662f\uff1a{decimal_number}&quot;)\nexcept ValueError:\n    print(&quot;\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u5c0f\u6570\uff0c\u8bf7\u91cd\u8bd5\u3002&quot;)\n<\/code><\/pre>\n<p>\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c\uff0c\u786e\u4fdd\u5373\u4f7f\u4ed6\u4eec\u4f7f\u7528\u4e0d\u540c\u7684\u8f93\u5165\u683c\u5f0f\uff0c\u4e5f\u80fd\u6b63\u786e\u8bfb\u53d6\u5c0f\u6570\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u5982\u4f55\u8ba9\u8f93\u5165\u7684\u6570\u4e3a\u5c0f\u6570 \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570float()\u3001\u76f4\u63a5\u8f93\u5165\u5e26\u5c0f\u6570\u70b9\u7684\u6570\u5b57\u3001\u4f7f [&hellip;]","protected":false},"author":3,"featured_media":1048133,"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\/1048116"}],"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=1048116"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048116\/revisions"}],"predecessor-version":[{"id":1048134,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048116\/revisions\/1048134"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1048133"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1048116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1048116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1048116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}