{"id":1108436,"date":"2025-01-08T17:00:18","date_gmt":"2025-01-08T09:00:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1108436.html"},"modified":"2025-01-08T17:00:20","modified_gmt":"2025-01-08T09:00:20","slug":"%e7%94%a8python%e5%a6%82%e4%bd%95%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e6%ad%a3%e6%95%b4%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1108436.html","title":{"rendered":"\u7528python\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570"},"content":{"rendered":"

\"\u7528python\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\"<\/p>\n

\u5f00\u5934\u6bb5\u843d:<\/p>\n

\u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u3001\u4f7f\u7528\u5185\u7f6e\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\u3001\u901a\u8fc7\u63a7\u5236\u8f93\u5165\u3001\u5229\u7528\u6761\u4ef6\u5224\u65ad\u8fc7\u6ee4\u8d1f\u6570<\/strong>\u3002\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u76f4\u63a5\u8d4b\u503c\uff0c\u4f8b\u5982n = 5<\/code>\u3002\u66f4\u7075\u6d3b\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u5982int()<\/code>\u6765\u786e\u4fdd\u8f93\u5165\u4e3a\u6574\u6570\uff0c\u5e76\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\u6765\u8fc7\u6ee4\u6389\u975e\u6b63\u6570\uff0c\u4ee5\u786e\u4fdd\u8f93\u5165\u7684\u6570\u5b57\u662f\u6b63\u6574\u6570\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u548c\u76f8\u5173\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u76f4\u63a5\u8d4b\u503c<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u5c31\u662f\u76f4\u63a5\u5c06\u4e00\u4e2a\u6b63\u6574\u6570\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5f53\u4f60\u5df2\u7ecf\u77e5\u9053\u5177\u4f53\u7684\u6b63\u6574\u6570\u503c\u65f6\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

n = 10<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u53d8\u91cfn<\/code>\u88ab\u8d4b\u503c\u4e3a10\uff0c\u8fd9\u662f\u4e00\u4e2a\u5178\u578b\u7684\u6b63\u6574\u6570\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5feb\u901f\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u8f6c\u6362<\/p>\n<\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u83b7\u53d6\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528input()<\/code>\u51fd\u6570\u7ed3\u5408int()<\/code>\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cinput()<\/code>\u51fd\u6570\u83b7\u53d6\u7684\u503c\u9ed8\u8ba4\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u6240\u4ee5\u9700\u8981\u7528int()<\/code>\u51fd\u6570\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
n = int(user_input)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u4e86\u7528\u6237\u8f93\u5165\u7684\u503c\u88ab\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u4f46\u5e76\u6ca1\u6709\u68c0\u67e5\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u63a7\u5236\u8f93\u5165<\/p>\n<\/p>\n
\u4e3a\u4e86\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u662f\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u53ef\u4ee5\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\u6765\u8fc7\u6ee4\u975e\u6b63\u6570\u3002\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u5faa\u73af\u6765\u53cd\u590d\u63d0\u793a\u7528\u6237\uff0c\u76f4\u5230\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6b63\u6574\u6570\u4e3a\u6b62\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
while True:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
    try:<\/p>\n
        n = int(user_input)<\/p>\n
        if n > 0:<\/p>\n
            break<\/p>\n
        else:<\/p>\n
            print("\u8bf7\u8f93\u5165\u4e00\u4e2a\u5927\u4e8e0\u7684\u6574\u6570\u3002")<\/p>\n
    except ValueError:<\/p>\n
        print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u4e0d\u65ad\u63d0\u793a\u7528\u6237\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e00\u4e2a\u5927\u4e8e0\u7684\u6b63\u6574\u6570\u3002try<\/code>\u548cexcept<\/code>\u8bed\u53e5\u7528\u4e8e\u6355\u83b7\u8f93\u5165\u975e\u6574\u6570\u65f6\u53ef\u80fd\u5f15\u53d1\u7684\u9519\u8bef\uff0c\u5e76\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u51fd\u6570\u5c01\u88c5<\/p>\n<\/p>\n
\u4e3a\u4e86\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u590d\u7528\u6027\uff0c\u53ef\u4ee5\u5c06\u4e0a\u8ff0\u903b\u8f91\u5c01\u88c5\u5230\u4e00\u4e2a\u51fd\u6570\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def get_positive_integer(prompt="\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: "):<\/p>\n
    while True:<\/p>\n
        user_input = input(prompt)<\/p>\n
        try:<\/p>\n
            n = int(user_input)<\/p>\n
            if n > 0:<\/p>\n
                return n<\/p>\n
            else:<\/p>\n
                print("\u8bf7\u8f93\u5165\u4e00\u4e2a\u5927\u4e8e0\u7684\u6574\u6570\u3002")<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570\u3002")<\/p>\n
n = get_positive_integer()<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {n}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u83b7\u53d6\u6b63\u6574\u6570\u7684\u903b\u8f91\u88ab\u5c01\u88c5\u5728\u51fd\u6570get_positive_integer<\/code>\u4e2d\uff0c\u8c03\u7528\u65f6\u53ea\u9700\u8981\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u5373\u53ef\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u9ad8\u7ea7\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u9a8c\u8bc1\u8f93\u5165\u662f\u5426\u7b26\u5408\u6b63\u6574\u6570\u7684\u683c\u5f0f\u3002\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5b57\u7b26\u4e32\u5339\u914d\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u8fdb\u884c\u590d\u6742\u7684\u6a21\u5f0f\u5339\u914d\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
def is_positive_integer(s):<\/p>\n
    return re.match(r'^[1-9]\\d*$', s) is not None<\/p>\n
while True:<\/p>\n
    user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
    if is_positive_integer(user_input):<\/p>\n
        n = int(user_input)<\/p>\n
        break<\/p>\n
    else:<\/p>\n
        print("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6709\u6548\u7684\u6b63\u6574\u6570\u3002")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cis_positive_integer<\/code>\u51fd\u6570\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u8868\u793a\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u6b63\u5219\u8868\u8fbe\u5f0f^[1-9]\\d*$<\/code>\u5339\u914d\u4ee5\u975e\u96f6\u6570\u5b57\u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff0c\u5e76\u4e14\u540e\u9762\u53ef\u4ee5\u8ddf\u4efb\u610f\u6570\u91cf\u7684\u6570\u5b57\uff0c\u4ece\u800c\u786e\u4fdd\u8f93\u5165\u662f\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5904\u7406\u7279\u6b8a\u60c5\u51b5<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd8\u53ef\u80fd\u9700\u8981\u5904\u7406\u4e00\u4e9b\u7279\u6b8a\u60c5\u51b5\u3002\u4f8b\u5982\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u8f93\u5165\u975e\u5e38\u5927\u7684\u6570\u503c\uff0c\u5bfc\u81f4\u6574\u6570\u6ea2\u51fa\u3002\u4e3a\u4e86\u5e94\u5bf9\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528sys<\/code>\u6a21\u5757\u6765\u68c0\u67e5\u548c\u5904\u7406\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import sys<\/p>\n
def get_positive_integer(prompt="\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: "):<\/p>\n
    while True:<\/p>\n
        user_input = input(prompt)<\/p>\n
        try:<\/p>\n
            n = int(user_input)<\/p>\n
            if n > 0 and n < sys.maxsize:<\/p>\n
                return n<\/p>\n
            else:<\/p>\n
                print(f"\u8bf7\u8f93\u5165\u4e00\u4e2a\u4ecb\u4e8e1\u548c{sys.maxsize}\u4e4b\u95f4\u7684\u6574\u6570\u3002")<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570\u3002")<\/p>\n
n = get_positive_integer()<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {n}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u68c0\u67e5\u8f93\u5165\u7684\u6574\u6570\u662f\u5426\u5728\u6709\u6548\u8303\u56f4\u5185\uff081\u5230sys.maxsize<\/code>\u4e4b\u95f4\uff09\uff0c\u4ece\u800c\u907f\u514d\u6ea2\u51fa\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u5b9a\u4e49\u548c\u83b7\u53d6\u6b63\u6574\u6570\u3002\u76f4\u63a5\u8d4b\u503c\u9002\u7528\u4e8e\u5df2\u77e5\u6570\u503c\u7684\u60c5\u51b5\uff0c\u4f7f\u7528input()<\/code>\u548cint()<\/code>\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\u53ef\u4ee5\u5904\u7406\u7528\u6237\u8f93\u5165\uff0c\u5c01\u88c5\u6210\u51fd\u6570\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u7528\u6027\uff0c\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u4f9b\u4e86\u9ad8\u7ea7\u7684\u8f93\u5165\u9a8c\u8bc1\uff0c\u800c\u5904\u7406\u7279\u6b8a\u60c5\u51b5\u5219\u589e\u52a0\u4e86\u4ee3\u7801\u7684\u5065\u58ee\u6027\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u5730\u5728\u4e0d\u540c\u573a\u666f\u4e2d\u5b9a\u4e49\u548c\u5904\u7406\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u9a8c\u8bc1\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u6b63\u6574\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u6761\u4ef6\u5224\u65ad\u6765\u9a8c\u8bc1\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u6b63\u6574\u6570\u3002\u53ef\u4ee5\u4f7f\u7528isinstance()<\/code>\u51fd\u6570\u68c0\u67e5\u7c7b\u578b\uff0c\u518d\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\uff0c\u4f8b\u5982\uff1a<\/p>\n
def is_positive_integer(n):\n    return isinstance(n, int) and n > 0\n<\/code><\/pre>\n
\u8fd9\u4e2a\u51fd\u6570\u4f1a\u8fd4\u56deTrue<\/code>\u6216False<\/code>\uff0c\u5e2e\u52a9\u4f60\u5feb\u901f\u5224\u65ad\u8f93\u5165\u7684\u6570\u662f\u5426\u4e3a\u6b63\u6574\u6570\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\u53d8\u91cf\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u6765\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n
positive_integer = 5\n<\/code><\/pre>\n
\u6b64\u65f6\uff0cpositive_integer<\/code>\u5c31\u88ab\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u503c\u4e3a5\u7684\u6b63\u6574\u6570\u3002\u786e\u4fdd\u8d4b\u503c\u7684\u6570\u503c\u5927\u4e8e\u96f6\u5373\u53ef\u3002<\/p>\n
\u5982\u4f55\u5904\u7406\u7528\u6237\u8f93\u5165\u5e76\u786e\u4fdd\u5176\u4e3a\u6b63\u6574\u6570\uff1f<\/strong>
\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528input()<\/code>\u51fd\u6570\u7ed3\u5408\u6761\u4ef6\u5224\u65ad\u6765\u786e\u4fdd\u8f93\u5165\u7684\u662f\u6b63\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")\ntry:\n    number = int(user_input)\n    if number > 0:\n        print("\u60a8\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f:", number)\n    else:\n        print("\u8f93\u5165\u7684\u6570\u4e0d\u662f\u6b63\u6574\u6570\u3002")\nexcept ValueError:\n    print("\u8bf7\u8f93\u5165\u6709\u6548\u7684\u6574\u6570\u3002")\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u7528\u6237\u8f93\u5165\uff0c\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u53cd\u9988\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5f00\u5934\u6bb5\u843d: \u5728Python\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u3001\u4f7f\u7528\u5185\u7f6e\u7c7b\u578b\u8f6c\u6362\u51fd\u6570\u3001\u901a\u8fc7\u63a7\u5236\u8f93\u5165\u3001\u5229\u7528\u6761\u4ef6\u5224\u65ad […]","protected":false},"author":3,"featured_media":1108439,"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\/1108436"}],"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=1108436"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1108436\/revisions"}],"predecessor-version":[{"id":1108442,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1108436\/revisions\/1108442"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1108439"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1108436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1108436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1108436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}