{"id":1138786,"date":"2025-01-08T22:03:32","date_gmt":"2025-01-08T14:03:32","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1138786.html"},"modified":"2025-01-08T22:03:35","modified_gmt":"2025-01-08T14:03:35","slug":"python%e5%a6%82%e4%bd%95%e4%bb%8e%e5%b1%8f%e5%b9%95%e4%b8%ad%e6%8e%a5%e5%8f%97%e4%b8%80%e4%b8%aa%e6%95%b0%e5%ad%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1138786.html","title":{"rendered":"python\u5982\u4f55\u4ece\u5c4f\u5e55\u4e2d\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57"},"content":{"rendered":"

\"python\u5982\u4f55\u4ece\u5c4f\u5e55\u4e2d\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\"<\/p>\n

\u5728Python\u4e2d\uff0c\u4ece\u5c4f\u5e55\u4e2d\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528input()\u51fd\u6570\u3001\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3001\u5904\u7406\u5f02\u5e38\u3002<\/strong> \u5176\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528input()<\/code>\u51fd\u6570\uff0c\u8fd9\u4e2a\u51fd\u6570\u4f1a\u4ece\u6807\u51c6\u8f93\u5165\uff08\u901a\u5e38\u662f\u952e\u76d8\uff09\u8bfb\u53d6\u4e00\u884c\u6587\u672c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4e3a\u4e86\u4ece\u5c4f\u5e55\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u5c06\u8fd9\u4e2a\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u4e00\u4e2a\u6574\u6570\u6216\u6d6e\u70b9\u6570\u7c7b\u578b\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u8be6\u7ec6\u63cf\u8ff0\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\u7684\u4e00\u79cd\uff1a\u4f7f\u7528input()<\/code>\u51fd\u6570\u548c\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<\/p>\n

\u9996\u5148\uff0c\u4f7f\u7528input()<\/code>\u51fd\u6570\u8bfb\u53d6\u7528\u6237\u8f93\u5165\uff0c\u7136\u540e\u4f7f\u7528int()<\/code>\u6216float()<\/code>\u51fd\u6570\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u76f8\u5e94\u7684\u6570\u503c\u7c7b\u578b\u3002\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u65f6\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5904\u7406\u7528\u6237\u8f93\u5165\u65e0\u6548\u6570\u636e\u7684\u60c5\u51b5\uff0c\u4ee5\u907f\u514d\u7a0b\u5e8f\u51fa\u9519\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u8fc7\u7a0b\uff1a<\/p>\n<\/p>\n

try:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
    user_number = int(user_input)  # \u6216\u8005\u4f7f\u7528 float(user_input) \u5982\u679c\u4f60\u5e0c\u671b\u63a5\u53d7\u6d6e\u70b9\u6570<\/p>\n
    print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
except ValueError:<\/p>\n
    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528input()<\/code>\u51fd\u6570\u4ece\u7528\u6237\u90a3\u91cc\u8bfb\u53d6\u8f93\u5165\uff0c\u7136\u540e\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u6211\u4eec\u6253\u5370\u51fa\u8fd9\u4e2a\u6570\u5b57\uff1b\u5982\u679c\u8f6c\u6362\u5931\u8d25\uff08\u4f8b\u5982\uff0c\u7528\u6237\u8f93\u5165\u4e86\u4e00\u4e2a\u975e\u6570\u5b57\u7684\u5b57\u7b26\u4e32\uff09\uff0c\u7a0b\u5e8f\u5c06\u6355\u6349\u5230ValueError<\/code>\u5f02\u5e38\uff0c\u5e76\u63d0\u793a\u7528\u6237\u8f93\u5165\u65e0\u6548\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528 input()<\/code> \u51fd\u6570<\/h3>\n<\/p>\n
input()<\/code> \u51fd\u6570\u662f\u4ece\u7528\u6237\u63a5\u53d7\u8f93\u5165\u7684\u6700\u57fa\u672c\u65b9\u6cd5\u3002\u5728Python\u4e2d\uff0c\u5b83\u4f1a\u4ece\u6807\u51c6\u8f93\u5165\uff08\u901a\u5e38\u662f\u952e\u76d8\uff09\u8bfb\u53d6\u4e00\u884c\u6587\u672c\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u6211\u4eec\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u9700\u8981\u7684\u6570\u503c\u7c7b\u578b\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u4f7f\u7528input()<\/code>\u51fd\u6570\u4ece\u7528\u6237\u90a3\u91cc\u83b7\u53d6\u8f93\u5165\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
print("\u4f60\u8f93\u5165\u7684\u5185\u5bb9\u662f:", user_input)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4ee3\u7801\u4f1a\u63d0\u793a\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff0c\u7136\u540e\u6253\u5370\u51fa\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u3002\u4e0d\u8fc7\uff0c\u8f93\u5165\u7684\u5185\u5bb9\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u6211\u4eec\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u3002<\/p>\n<\/p>\n
2\u3001\u7c7b\u578b\u8f6c\u6362<\/h4>\n<\/p>\n
\u4e3a\u4e86\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684int()<\/code>\u6216float()<\/code>\u51fd\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5c06\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\uff1a<\/p>\n<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
user_number = int(user_input)<\/p>\n
print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5982\u679c\u6211\u4eec\u60f3\u63a5\u53d7\u6d6e\u70b9\u6570\u8f93\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528float()<\/code>\u51fd\u6570\uff1a<\/p>\n<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
user_number = float(user_input)<\/p>\n
print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5904\u7406\u5f02\u5e38<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u6211\u4eec\u9700\u8981\u8003\u8651\u7528\u6237\u53ef\u80fd\u8f93\u5165\u65e0\u6548\u6570\u636e\u7684\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u8f93\u5165\u4e00\u4e2a\u975e\u6570\u5b57\u7684\u5b57\u7b26\u4e32\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u7c7b\u578b\u8f6c\u6362\u5931\u8d25\u5e76\u5f15\u53d1\u5f02\u5e38\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528try<\/code>–except<\/code>\u7ed3\u6784\u6765\u6355\u6349\u8fd9\u79cd\u5f02\u5e38\uff0c\u5e76\u7ed9\u7528\u6237\u63d0\u4f9b\u53cd\u9988\u3002<\/p>\n<\/p>\n
1\u3001\u6355\u6349 ValueError<\/code> \u5f02\u5e38<\/h4>\n<\/p>\n
\u5f53\u7528\u6237\u8f93\u5165\u65e0\u6548\u6570\u636e\u65f6\uff0cint()<\/code>\u6216float()<\/code>\u51fd\u6570\u4f1a\u5f15\u53d1ValueError<\/code>\u5f02\u5e38\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528try<\/code>–except<\/code>\u7ed3\u6784\u6765\u6355\u6349\u8fd9\u4e2a\u5f02\u5e38\uff0c\u5e76\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
try:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
    user_number = int(user_input)  # \u6216\u8005\u4f7f\u7528 float(user_input) \u5982\u679c\u4f60\u5e0c\u671b\u63a5\u53d7\u6d6e\u70b9\u6570<\/p>\n
    print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
except ValueError:<\/p>\n
    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u5faa\u73af\u63d0\u793a\u7528\u6237\u8f93\u5165<\/h4>\n<\/p>\n
\u4e3a\u4e86\u786e\u4fdd\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\uff0c\u4e0d\u65ad\u63d0\u793a\u7528\u6237\u8f93\u5165\uff0c\u76f4\u5230\u7528\u6237\u8f93\u5165\u6709\u6548\u7684\u6570\u636e\u4e3a\u6b62\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
while True:<\/p>\n
    try:<\/p>\n
        user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
        user_number = int(user_input)  # \u6216\u8005\u4f7f\u7528 float(user_input) \u5982\u679c\u4f60\u5e0c\u671b\u63a5\u53d7\u6d6e\u70b9\u6570<\/p>\n
        break<\/p>\n
    except ValueError:<\/p>\n
        print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/h3>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u5339\u914d\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u662f\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528re<\/code>\u6a21\u5757\u6765\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u662f\u4e00\u4e2a\u6709\u6548\u7684\u6574\u6570\u6216\u6d6e\u70b9\u6570\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
pattern = r'^-?\\d+(\\.\\d+)?$'  # \u5339\u914d\u6574\u6570\u6216\u6d6e\u70b9\u6570<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
if re.match(pattern, user_input):<\/p>\n
    user_number = float(user_input)  # \u4f7f\u7528 float() \u63a5\u53d7\u6d6e\u70b9\u6570<\/p>\n
    print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
else:<\/p>\n
    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u7ed3\u5408\u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5c06\u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u5f02\u5e38\u5904\u7406\u7ed3\u5408\u8d77\u6765\uff0c\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u662f\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
pattern = r'^-?\\d+(\\.\\d+)?$'  # \u5339\u914d\u6574\u6570\u6216\u6d6e\u70b9\u6570<\/p>\n
while True:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
    if re.match(pattern, user_input):<\/p>\n
        try:<\/p>\n
            user_number = float(user_input)  # \u4f7f\u7528 float() \u63a5\u53d7\u6d6e\u70b9\u6570<\/p>\n
            break<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
    else:<\/p>\n
        print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
print("\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f:", user_number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528 decimal<\/code> \u6a21\u5757<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5904\u7406\u66f4\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\uff0c\u8fd9\u65f6\u53ef\u4ee5\u4f7f\u7528decimal<\/code>\u6a21\u5757\u3002decimal<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2aDecimal<\/code>\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u7cbe\u786e\u8868\u793a\u5341\u8fdb\u5236\u6570\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528decimal<\/code>\u6a21\u5757\u6765\u5904\u7406\u7528\u6237\u8f93\u5165\u7684\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff1a<\/p>\n<\/p>\n
from decimal import Decimal, InvalidOperation<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570: ")<\/p>\n
try:<\/p>\n
    user_number = Decimal(user_input)<\/p>\n
    print("\u4f60\u8f93\u5165\u7684\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u662f:", user_number)<\/p>\n
except InvalidOperation:<\/p>\n
    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u7ed3\u5408\u5faa\u73af\u548c\u5f02\u5e38\u5904\u7406<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u5faa\u73af\u548c\u5f02\u5e38\u5904\u7406\uff0c\u786e\u4fdd\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
from decimal import Decimal, InvalidOperation<\/p>\n
while True:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570: ")<\/p>\n
    try:<\/p>\n
        user_number = Decimal(user_input)<\/p>\n
        break<\/p>\n
    except InvalidOperation:<\/p>\n
        print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002")<\/p>\n
print("\u4f60\u8f93\u5165\u7684\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\u662f:", user_number)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08GUI\uff09<\/h3>\n<\/p>\n
\u5982\u679c\u6211\u4eec\u5e0c\u671b\u521b\u5efa\u4e00\u4e2a\u56fe\u5f62\u7528\u6237\u754c\u9762\u6765\u63a5\u53d7\u7528\u6237\u8f93\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684Tkinter\u5e93\u3002Tkinter\u662fPython\u7684\u6807\u51c6GUI\u5e93\uff0c\u63d0\u4f9b\u4e86\u521b\u5efa\u7a97\u53e3\u3001\u6309\u94ae\u3001\u8f93\u5165\u6846\u7b49\u63a7\u4ef6\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
1\u3001\u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Tkinter\u521b\u5efa\u4e00\u4e2a\u7a97\u53e3\uff0c\u5e76\u63a5\u53d7\u7528\u6237\u8f93\u5165\uff1a<\/p>\n<\/p>\n
import tkinter as tk<\/p>\n
from tkinter import messagebox<\/p>\n
def get_input():<\/p>\n
    user_input = entry.get()<\/p>\n
    try:<\/p>\n
        user_number = int(user_input)<\/p>\n
        messagebox.showinfo("\u7ed3\u679c", f"\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f: {user_number}")<\/p>\n
    except ValueError:<\/p>\n
        messagebox.showerror("\u9519\u8bef", "\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
\u521b\u5efa\u4e3b\u7a97\u53e3<\/strong><\/h2>\n
root = tk.Tk()<\/p>\n
root.title("\u8f93\u5165\u6570\u5b57")<\/p>\n
\u521b\u5efa\u8f93\u5165\u6846<\/strong><\/h2>\n
entry = tk.Entry(root)<\/p>\n
entry.pack()<\/p>\n
\u521b\u5efa\u6309\u94ae<\/strong><\/h2>\n
button = tk.Button(root, text="\u63d0\u4ea4", command=get_input)<\/p>\n
button.pack()<\/p>\n
\u8fd0\u884c\u4e3b\u5faa\u73af<\/strong><\/h2>\n
root.mAI<\/a>nloop()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u793a\u4f8b\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u7a97\u53e3\uff0c\u5305\u542b\u4e00\u4e2a\u8f93\u5165\u6846\u548c\u4e00\u4e2a\u6309\u94ae\u3002\u5f53\u7528\u6237\u70b9\u51fb\u6309\u94ae\u65f6\uff0c\u7a0b\u5e8f\u4f1a\u8bfb\u53d6\u8f93\u5165\u6846\u4e2d\u7684\u5185\u5bb9\uff0c\u5e76\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u4f1a\u663e\u793a\u4e00\u4e2a\u4fe1\u606f\u6846\uff1b\u5982\u679c\u8f6c\u6362\u5931\u8d25\uff0c\u4f1a\u663e\u793a\u4e00\u4e2a\u9519\u8bef\u6846\u3002<\/p>\n<\/p>\n
2\u3001\u7ed3\u5408\u5f02\u5e38\u5904\u7406\u548c\u6b63\u5219\u8868\u8fbe\u5f0f<\/h4>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u5f02\u5e38\u5904\u7406\u548c\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u786e\u4fdd\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import tkinter as tk<\/p>\n
from tkinter import messagebox<\/p>\n
import re<\/p>\n
def get_input():<\/p>\n
    user_input = entry.get()<\/p>\n
    pattern = r'^-?\\d+(\\.\\d+)?$'  # \u5339\u914d\u6574\u6570\u6216\u6d6e\u70b9\u6570<\/p>\n
    if re.match(pattern, user_input):<\/p>\n
        try:<\/p>\n
            user_number = float(user_input)  # \u4f7f\u7528 float() \u63a5\u53d7\u6d6e\u70b9\u6570<\/p>\n
            messagebox.showinfo("\u7ed3\u679c", f"\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f: {user_number}")<\/p>\n
        except ValueError:<\/p>\n
            messagebox.showerror("\u9519\u8bef", "\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
    else:<\/p>\n
        messagebox.showerror("\u9519\u8bef", "\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")<\/p>\n
\u521b\u5efa\u4e3b\u7a97\u53e3<\/strong><\/h2>\n
root = tk.Tk()<\/p>\n
root.title("\u8f93\u5165\u6570\u5b57")<\/p>\n
\u521b\u5efa\u8f93\u5165\u6846<\/strong><\/h2>\n
entry = tk.Entry(root)<\/p>\n
entry.pack()<\/p>\n
\u521b\u5efa\u6309\u94ae<\/strong><\/h2>\n
button = tk.Button(root, text="\u63d0\u4ea4", command=get_input)<\/p>\n
button.pack()<\/p>\n
\u8fd0\u884c\u4e3b\u5faa\u73af<\/strong><\/h2>\n
root.mainloop()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u793a\u4f8b\u5728\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u540e\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165\u662f\u5426\u662f\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\uff0c\u7136\u540e\u5c1d\u8bd5\u5c06\u5176\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5982\u679c\u8f6c\u6362\u6210\u529f\uff0c\u4f1a\u663e\u793a\u4e00\u4e2a\u4fe1\u606f\u6846\uff1b\u5982\u679c\u8f6c\u6362\u5931\u8d25\u6216\u8f93\u5165\u65e0\u6548\uff0c\u4f1a\u663e\u793a\u4e00\u4e2a\u9519\u8bef\u6846\u3002<\/p>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u4ece\u5c4f\u5e55\u4e2d\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528input()<\/code>\u51fd\u6570\u548c\u7c7b\u578b\u8f6c\u6362\uff0c\u540c\u65f6\u7ed3\u5408\u5f02\u5e38\u5904\u7406\u786e\u4fdd\u7528\u6237\u8f93\u5165\u6709\u6548\u6570\u636e\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165\u3001\u4f7f\u7528decimal<\/code>\u6a21\u5757\u5904\u7406\u9ad8\u7cbe\u5ea6\u6d6e\u70b9\u6570\uff0c\u6216\u8005\u4f7f\u7528Tkinter\u521b\u5efa\u56fe\u5f62\u7528\u6237\u754c\u9762\u63a5\u53d7\u7528\u6237\u8f93\u5165\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u786e\u4fdd\u7528\u6237\u8f93\u5165\u6709\u6548\u6570\u636e\u90fd\u662f\u5173\u952e\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u83b7\u53d6\u6570\u5b57\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684input()<\/code>\u51fd\u6570\u6765\u63a5\u53d7\u7528\u6237\u8f93\u5165\u3002\u4e3a\u4e86\u786e\u4fdd\u8f93\u5165\u7684\u662f\u6570\u5b57\uff0c\u53ef\u4ee5\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u6216\u6d6e\u70b9\u6570\u3002\u4f8b\u5982\uff1a  <\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff1a")\nnumber = float(user_input)  # \u5982\u679c\u9700\u8981\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528int(user_input)\nprint("\u60a8\u8f93\u5165\u7684\u6570\u5b57\u662f:", number)\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u83b7\u53d6\u7528\u6237\u8f93\u5165\u5e76\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u4e0d\u662f\u6570\u5b57\uff0c\u5982\u4f55\u5904\u7406\uff1f<\/strong>
\u4e3a\u4e86\u786e\u4fdd\u7a0b\u5e8f\u7684\u7a33\u5065\u6027\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528try-except<\/code>\u7ed3\u6784\u6765\u5904\u7406\u53ef\u80fd\u53d1\u751f\u7684\u9519\u8bef\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u7528\u6237\u8f93\u5165\u975e\u6570\u5b57\u5185\u5bb9\u65f6\uff0c\u7ed9\u51fa\u53cb\u597d\u7684\u63d0\u793a\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57\uff1a")\ntry:\n    number = float(user_input)\n    print("\u60a8\u8f93\u5165\u7684\u6570\u5b57\u662f:", number)\nexcept ValueError:\n    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6570\u5b57\u3002")\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u5f0f\u63d0\u9ad8\u4e86\u7528\u6237\u4f53\u9a8c\uff0c\u5e76\u51cf\u5c11\u4e86\u7a0b\u5e8f\u5d29\u6e83\u7684\u98ce\u9669\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u63a5\u53d7\u591a\u4e2a\u6570\u5b57\u8f93\u5165\uff1f<\/strong>
\u5982\u679c\u60a8\u60f3\u8ba9\u7528\u6237\u8f93\u5165\u591a\u4e2a\u6570\u5b57\uff0c\u53ef\u4ee5\u5728\u8f93\u5165\u65f6\u7528\u7a7a\u683c\u5206\u9694\uff0c\u7136\u540e\u901a\u8fc7split()<\/code>\u65b9\u6cd5\u5c06\u5176\u5206\u5f00\u5e76\u8f6c\u6362\u4e3a\u6570\u5b57\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u591a\u4e2a\u6570\u5b57\uff0c\u7528\u7a7a\u683c\u9694\u5f00\uff1a")\nnumbers = [float(num) for num in user_input.split()]\nprint("\u60a8\u8f93\u5165\u7684\u6570\u5b57\u662f:", numbers)\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5904\u7406\u591a\u4e2a\u6570\u5b57\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u4e00\u4e2a\u5217\u8868\u4e2d\uff0c\u4fbf\u4e8e\u540e\u7eed\u64cd\u4f5c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4ece\u5c4f\u5e55\u4e2d\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u6709\u51e0\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528input()\u51fd\u6570\u3001\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3001\u5904\u7406\u5f02\u5e38\u3002 \u5176\u4e2d\uff0c\u6700\u5e38 […]","protected":false},"author":3,"featured_media":1138793,"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\/1138786"}],"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=1138786"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1138786\/revisions"}],"predecessor-version":[{"id":1138797,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1138786\/revisions\/1138797"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1138793"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1138786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1138786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1138786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}