{"id":1134406,"date":"2025-01-08T21:15:21","date_gmt":"2025-01-08T13:15:21","guid":{"rendered":""},"modified":"2025-01-08T21:15:24","modified_gmt":"2025-01-08T13:15:24","slug":"python3%e7%9a%84input%e5%a6%82%e4%bd%95%e8%be%93%e5%85%a5%e6%95%b0%e5%ad%97%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1134406.html","title":{"rendered":"python3\u7684input\u5982\u4f55\u8f93\u5165\u6570\u5b57\u578b"},"content":{"rendered":"

\"python3\u7684input\u5982\u4f55\u8f93\u5165\u6570\u5b57\u578b\"<\/p>\n

\u5728Python3\u4e2d\u4f7f\u7528input<\/code>\u51fd\u6570\u8f93\u5165\u6570\u5b57\u578b\u6570\u636e\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684\u6570\u5b57\u7c7b\u578b\u3002<\/strong>\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528int<\/code>\u51fd\u6570\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u6216\u4f7f\u7528float<\/code>\u51fd\u6570\u5c06\u8f93\u5165\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u3002\u5173\u952e\u6b65\u9aa4\u5305\u62ec\u8bfb\u53d6\u8f93\u5165\u3001\u8f6c\u6362\u7c7b\u578b\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3002<\/strong><\/p>\n<\/p>\n

\u4e3a\u4e86\u786e\u4fdd\u8f93\u5165\u7684\u6570\u636e\u662f\u6709\u6548\u7684\u6570\u5b57\uff0c\u5e38\u5e38\u9700\u8981\u8fdb\u884c\u989d\u5916\u7684\u9a8c\u8bc1\u3002\u4f8b\u5982\uff0c\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u5757\u6765\u6355\u6349\u53ef\u80fd\u7684\u8f6c\u6362\u9519\u8bef\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8be6\u7ec6\u7684\u505a\u6cd5\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u8bfb\u53d6\u6574\u6570\u8f93\u5165<\/h3>\n<\/p>\n

\u5728Python3\u4e2d\uff0cinput()<\/code>\u51fd\u6570\u9ed8\u8ba4\u8bfb\u53d6\u7684\u6570\u636e\u7c7b\u578b\u662f\u5b57\u7b26\u4e32\u3002\u5982\u679c\u9700\u8981\u8bfb\u53d6\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528int()<\/code>\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\uff1a<\/p>\n<\/p>\n

try:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: ")<\/p>\n
    user_number = int(user_input)<\/p>\n
    print(f"\u4f60\u8f93\u5165\u7684\u6574\u6570\u662f {user_number}")<\/p>\n
except ValueError:<\/p>\n
    print("\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u6574\u6570\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u8bfb\u53d6\u6d6e\u70b9\u6570\u8f93\u5165<\/h3>\n<\/p>\n
\u7c7b\u4f3c\u5730\uff0c\u53ef\u4ee5\u4f7f\u7528float()<\/code>\u51fd\u6570\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\uff1a<\/p>\n<\/p>\n
try:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6d6e\u70b9\u6570: ")<\/p>\n
    user_number = float(user_input)<\/p>\n
    print(f"\u4f60\u8f93\u5165\u7684\u6d6e\u70b9\u6570\u662f {user_number}")<\/p>\n
except ValueError:<\/p>\n
    print("\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u6d6e\u70b9\u6570\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5<\/h3>\n<\/p>\n
\u4e3a\u4e86\u589e\u5f3a\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\uff0c\u901a\u5e38\u4f1a\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u5757\u6765\u6355\u6349\u548c\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u8f93\u5165\u975e\u6570\u5b57\u5b57\u7b26\u4e32\uff0c\u5bfc\u81f4\u8f6c\u6362\u5931\u8d25\uff1a<\/p>\n<\/p>\n
def get_integer_input(prompt):<\/p>\n
    while True:<\/p>\n
        try:<\/p>\n
            user_input = input(prompt)<\/p>\n
            user_number = int(user_input)<\/p>\n
            return user_number<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u6574\u6570\uff0c\u8bf7\u518d\u8bd5\u4e00\u6b21\u3002")<\/p>\n
user_number = get_integer_input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: ")<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6574\u6570\u662f {user_number}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u7ed3\u5408\u7c7b\u578b\u8f6c\u6362\u4e0e\u9a8c\u8bc1<\/h3>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8f93\u5165\u9a8c\u8bc1\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7279\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u65f6\u3002\u4f8b\u5982\uff0c\u8981\u6c42\u7528\u6237\u8f93\u5165\u4e00\u4e2a\u8303\u56f4\u5185\u7684\u6574\u6570\uff1a<\/p>\n<\/p>\n
def get_integer_in_range(prompt, min_value, max_value):<\/p>\n
    while True:<\/p>\n
        try:<\/p>\n
            user_input = input(prompt)<\/p>\n
            user_number = int(user_input)<\/p>\n
            if min_value <= user_number <= max_value:<\/p>\n
                return user_number<\/p>\n
            else:<\/p>\n
                print(f"\u8f93\u5165\u7684\u6574\u6570\u5fc5\u987b\u5728{min_value}\u548c{max_value}\u4e4b\u95f4\u3002")<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u6574\u6570\uff0c\u8bf7\u518d\u8bd5\u4e00\u6b21\u3002")<\/p>\n
user_number = get_integer_in_range("\u8bf7\u8f93\u5165\u4e00\u4e2a\u8303\u56f4\u5185\u7684\u6574\u6570 (1-100): ", 1, 100)<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6574\u6570\u662f {user_number}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u591a\u79cd\u8f93\u5165\u7c7b\u578b<\/h3>\n<\/p>\n
\u6709\u65f6\u9700\u8981\u6839\u636e\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u8fdb\u884c\u4e0d\u540c\u7684\u5904\u7406\u3002\u4f8b\u5982\uff0c\u7528\u6237\u53ef\u4ee5\u8f93\u5165\u6574\u6570\u3001\u6d6e\u70b9\u6570\u6216\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
def get_number_input(prompt):<\/p>\n
    while True:<\/p>\n
        user_input = input(prompt)<\/p>\n
        try:<\/p>\n
            user_number = int(user_input)<\/p>\n
            return user_number<\/p>\n
        except ValueError:<\/p>\n
            try:<\/p>\n
                user_number = float(user_input)<\/p>\n
                return user_number<\/p>\n
            except ValueError:<\/p>\n
                print("\u8f93\u5165\u7684\u4e0d\u662f\u6709\u6548\u7684\u6570\u5b57\uff0c\u8bf7\u518d\u8bd5\u4e00\u6b21\u3002")<\/p>\n
user_number = get_number_input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6570\u5b57: ")<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6570\u5b57\u662f {user_number}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u8f93\u5165\u9a8c\u8bc1\u548c\u5f02\u5e38\u5904\u7406\u662f\u7f16\u7a0b\u4e2d\u7684\u91cd\u8981\u90e8\u5206\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7279\u5b9a\u7c7b\u578b\u7684\u6570\u636e\u65f6\u3002\u901a\u8fc7\u7ed3\u5408\u4f7f\u7528int()<\/code>\u548cfloat()<\/code>\u51fd\u6570\u4ee5\u53catry-except<\/code>\u5757\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8bfb\u53d6\u548c\u5904\u7406Python3\u4e2d\u7684\u6570\u5b57\u578b\u8f93\u5165\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\uff0c\u8fd8\u589e\u5f3a\u4e86\u7528\u6237\u4f53\u9a8c<\/strong>\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u9644\u52a0\u5185\u5bb9\uff1a\u9ad8\u7ea7\u8f93\u5165\u5904\u7406<\/h3>\n<\/p>\n
\u5728\u4e00\u4e9b\u9ad8\u7ea7\u5e94\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5904\u7406\u66f4\u590d\u6742\u7684\u8f93\u5165\uff0c\u4f8b\u5982\u5e26\u6709\u5355\u4f4d\u7684\u6570\u503c\u6216\u591a\u79cd\u683c\u5f0f\u7684\u65e5\u671f\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6216\u7279\u5b9a\u7684\u5e93\u6765\u8fdb\u884c\u8f93\u5165\u89e3\u6790\u548c\u9a8c\u8bc1\u3002\u4f8b\u5982\uff0c\u4f7f\u7528re<\/code>\u6a21\u5757\u6765\u89e3\u6790\u5e26\u5355\u4f4d\u7684\u6570\u503c\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
def get_number_with_unit(prompt):<\/p>\n
    pattern = re.compile(r"^\\s*([-+]?[0-9]*\\.?[0-9]+)\\s*([a-zA-Z]*)\\s*$")<\/p>\n
    while True:<\/p>\n
        user_input = input(prompt)<\/p>\n
        match = pattern.match(user_input)<\/p>\n
        if match:<\/p>\n
            number = float(match.group(1))<\/p>\n
            unit = match.group(2)<\/p>\n
            return number, unit<\/p>\n
        else:<\/p>\n
            print("\u8f93\u5165\u7684\u683c\u5f0f\u4e0d\u6b63\u786e\uff0c\u8bf7\u518d\u8bd5\u4e00\u6b21\u3002")<\/p>\n
number, unit = get_number_with_unit("\u8bf7\u8f93\u5165\u4e00\u4e2a\u5e26\u5355\u4f4d\u7684\u6570\u503c (\u4f8b\u5982\uff1a12kg): ")<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6570\u503c\u662f {number}\uff0c\u5355\u4f4d\u662f {unit}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u5185\u5bb9\u7684\u5b66\u4e60\u548c\u6574\u7406\uff0c\u53ef\u4ee5\u5f97\u51fa\uff0c\u5728Python3\u4e2d\u8bfb\u53d6\u548c\u5904\u7406\u6570\u5b57\u578b\u8f93\u5165\u65f6\uff0c\u7c7b\u578b\u8f6c\u6362\u3001\u5f02\u5e38\u5904\u7406\u548c\u8f93\u5165\u9a8c\u8bc1\u662f\u5173\u952e\u6b65\u9aa4<\/strong>\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4e0d\u4ec5\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u5065\u58ee\u6027\uff0c\u8fd8\u63d0\u9ad8\u4e86\u7528\u6237\u4f53\u9a8c\u548c\u7a0b\u5e8f\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python3\u4e2d\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6570\u5b57\u7c7b\u578b\uff1f<\/strong>
\u5728Python3\u4e2d\uff0c\u4f7f\u7528input()<\/code>\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u65f6\uff0c\u9ed8\u8ba4\u4f1a\u5c06\u8f93\u5165\u7684\u5185\u5bb9\u89c6\u4e3a\u5b57\u7b26\u4e32\u3002\u5982\u679c\u60f3\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u5b57\u7c7b\u578b\uff0c\u53ef\u4ee5\u4f7f\u7528int()<\/code>\u6216float()<\/code>\u51fd\u6570\u3002\u4f8b\u5982\uff0c\u82e5\u60f3\u83b7\u53d6\u4e00\u4e2a\u6574\u6570\uff0c\u53ef\u4ee5\u8fd9\u6837\u505a\uff1a  <\/p>\n
number = int(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: "))\n<\/code><\/pre>\n
\u82e5\u5e0c\u671b\u8f93\u5165\u4e00\u4e2a\u6d6e\u70b9\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a  <\/p>\n
number = float(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6d6e\u70b9\u6570: "))\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u4f1a\u786e\u4fdd\u4f60\u5f97\u5230\u7684\u662f\u6570\u5b57\u7c7b\u578b\uff0c\u800c\u975e\u5b57\u7b26\u4e32\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u4e2d\u7684\u9519\u8bef\uff1f<\/strong>
\u5728\u83b7\u53d6\u7528\u6237\u8f93\u5165\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u8f93\u5165\u9519\u8bef\uff08\u5982\u7528\u6237\u8f93\u5165\u975e\u6570\u5b57\u5b57\u7b26\uff09\u3002\u4e3a\u4e86\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528try...except<\/code>\u7ed3\u6784\u6765\u6355\u6349\u5f02\u5e38\u3002\u4f8b\u5982\uff1a  <\/p>\n
try:\n    number = int(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: "))\nexcept ValueError:\n    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6574\u6570\u3002")\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u7a0b\u5e8f\u56e0\u8f93\u5165\u9519\u8bef\u800c\u5d29\u6e83\uff0c\u5e76\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\u3002<\/p>\n
\u5728Python3\u4e2d\u5982\u4f55\u9a8c\u8bc1\u8f93\u5165\u7684\u6570\u5b57\u8303\u56f4\uff1f<\/strong>
\u9664\u4e86\u8f6c\u6362\u8f93\u5165\u7c7b\u578b\uff0c\u9a8c\u8bc1\u8f93\u5165\u7684\u8303\u56f4\u4e5f\u662f\u4e00\u4e2a\u91cd\u8981\u73af\u8282\u3002\u53ef\u4ee5\u5728\u8f93\u5165\u540e\u6dfb\u52a0\u6761\u4ef6\u5224\u65ad\uff0c\u5982\uff1a  <\/p>\n
number = int(input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570\uff081-100\u4e4b\u95f4\uff09: "))\nif 1 <= number <= 100:\n    print("\u8f93\u5165\u6709\u6548\uff0c\u611f\u8c22\u60a8\u7684\u8f93\u5165\uff01")\nelse:\n    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u786e\u4fdd\u6570\u5b57\u57281\u5230100\u4e4b\u95f4\u3002")\n<\/code><\/pre>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u6570\u5b57\u7b26\u5408\u9884\u671f\u7684\u8303\u56f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python3\u4e2d\u4f7f\u7528input\u51fd\u6570\u8f93\u5165\u6570\u5b57\u578b\u6570\u636e\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684\u6570\u5b57\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 […]","protected":false},"author":3,"featured_media":1134414,"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\/1134406"}],"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=1134406"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1134406\/revisions"}],"predecessor-version":[{"id":1134417,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1134406\/revisions\/1134417"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1134414"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1134406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1134406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1134406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}