{"id":1164868,"date":"2025-01-15T15:13:21","date_gmt":"2025-01-15T07:13:21","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1164868.html"},"modified":"2025-01-15T15:13:23","modified_gmt":"2025-01-15T07:13:23","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e8%a1%a8%e7%a4%ba%e6%ad%a3%e6%95%b4%e6%95%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1164868.html","title":{"rendered":"\u5982\u4f55\u7528python\u8868\u793a\u6b63\u6574\u6570"},"content":{"rendered":"

\"\u5982\u4f55\u7528python\u8868\u793a\u6b63\u6574\u6570\"<\/p>\n

\u7528Python\u8868\u793a\u6b63\u6574\u6570\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6574\u6570\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u6216\u901a\u8fc7\u8f93\u5165\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\u3002<\/strong>\u5176\u4e2d\uff0c\u76f4\u63a5\u8d4b\u503c\u6574\u6570\u662f\u6700\u5e38\u89c1\u4e14\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u3002\u5728Python\u4e2d\uff0c\u6574\u6570\u5b57\u9762\u91cf\u76f4\u63a5\u8868\u793a\u6b63\u6574\u6570\u3002\u4f8b\u5982\uff0c\u8d4b\u503c\u8bed\u53e5 a = 5<\/code> \u5373\u8868\u793a a<\/code> \u662f\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba\u8fd9\u4e09\u79cd\u65b9\u5f0f\u4e2d\u7684\u4e00\u79cd\uff0c\u5373\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u6765\u8868\u793a\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u5185\u7f6e\u51fd\u6570\u5982 int()<\/code> \u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u6570\u5b57\u7c7b\u578b\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5b57\u7b26\u4e32\u8868\u793a\u7684\u6570\u5b57 "123"<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 int()<\/code> \u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\uff1a<\/p>\n<\/p>\n

num_str = "123"<\/p>\n
num = int(num_str)<\/p>\n
print(num)  # \u8f93\u51fa: 123<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u5904\u7406\u7528\u6237\u8f93\u5165\u6216\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u60c5\u5883\uff0c\u56e0\u4e3a\u8bfb\u53d6\u7684\u5185\u5bb9\u901a\u5e38\u4e3a\u5b57\u7b26\u4e32\u5f62\u5f0f\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001\u76f4\u63a5\u8d4b\u503c\u6574\u6570<\/h2>\n<\/p>\n
\u76f4\u63a5\u8d4b\u503c\u6574\u6570\u662f\u6700\u5e38\u89c1\u4e14\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u3002\u5728Python\u4e2d\uff0c\u6574\u6570\u5b57\u9762\u91cf\u76f4\u63a5\u8868\u793a\u6b63\u6574\u6570\u3002\u4f8b\u5982\uff0c\u8d4b\u503c\u8bed\u53e5 a = 5<\/code> \u5373\u8868\u793a a<\/code> \u662f\u4e00\u4e2a\u6b63\u6574\u6570\u3002\u6211\u4eec\u901a\u8fc7\u51e0\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u6765\u8fdb\u4e00\u6b65\u7406\u89e3\u8fd9\u4e00\u70b9\u3002<\/p>\n<\/p>\n
1\u3001\u7b80\u5355\u8d4b\u503c<\/h3>\n<\/p>\n
\u8d4b\u503c\u662fPython\u4e2d\u6700\u57fa\u7840\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u5c06\u4e00\u4e2a\u6b63\u6574\u6570\u8d4b\u503c\u7ed9\u53d8\u91cf\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
a = 10<\/p>\n
b = 123<\/p>\n
c = 456789<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e9b\u53d8\u91cf a<\/code>\u3001b<\/code> \u548c c<\/code> \u5206\u522b\u8868\u793a\u6b63\u6574\u6570 10\u3001123 \u548c 456789\u3002Python\u5bf9\u53d8\u91cf\u7c7b\u578b\u6ca1\u6709\u4e25\u683c\u7684\u8981\u6c42\uff0c\u53d8\u91cf\u53ef\u4ee5\u968f\u65f6\u66f4\u6539\u5176\u503c\u548c\u7c7b\u578b\u3002<\/p>\n<\/p>\n
2\u3001\u901a\u8fc7\u8fd0\u7b97\u7ed3\u679c\u8d4b\u503c<\/h3>\n<\/p>\n
\u9664\u4e86\u76f4\u63a5\u8d4b\u503c\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8fd0\u7b97\u7ed3\u679c\u6765\u8d4b\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
a = 5 + 3<\/p>\n
b = 2 * 6<\/p>\n
c = 12 \/\/ 2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e9b\u4f8b\u5b50\u4e2d\uff0c\u53d8\u91cf a<\/code>\u3001b<\/code> \u548c c<\/code> \u5206\u522b\u88ab\u8d4b\u503c\u4e3a\u6b63\u6574\u6570 8\u300112 \u548c 6\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u52a0\u7075\u6d3b\u5730\u5904\u7406\u548c\u8868\u793a\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/h2>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5185\u7f6e\u51fd\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u65b9\u4fbf\u5730\u5904\u7406\u548c\u8868\u793a\u6b63\u6574\u6570\u3002\u6700\u5e38\u7528\u7684\u5185\u7f6e\u51fd\u6570\u662f int()<\/code>\uff0c\u5b83\u53ef\u4ee5\u5c06\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<\/p>\n
1\u3001\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570<\/h3>\n<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5b57\u7b26\u4e32\u8868\u793a\u7684\u6570\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 int()<\/code> \u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
num_str = "123"<\/p>\n
num = int(num_str)<\/p>\n
print(num)  # \u8f93\u51fa: 123<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u5904\u7406\u7528\u6237\u8f93\u5165\u6216\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u7684\u60c5\u5883\uff0c\u56e0\u4e3a\u8bfb\u53d6\u7684\u5185\u5bb9\u901a\u5e38\u4e3a\u5b57\u7b26\u4e32\u5f62\u5f0f\u3002<\/p>\n<\/p>\n
2\u3001\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570<\/h3>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528 int()<\/code> \u51fd\u6570\u5c06\u6d6e\u70b9\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
float_num = 123.45<\/p>\n
int_num = int(float_num)<\/p>\n
print(int_num)  # \u8f93\u51fa: 123<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cint()<\/code> \u51fd\u6570\u4f1a\u622a\u65ad\u5c0f\u6570\u90e8\u5206\uff0c\u800c\u4e0d\u662f\u8fdb\u884c\u56db\u820d\u4e94\u5165\u64cd\u4f5c\u3002\u8fd9\u610f\u5473\u7740 123.45<\/code> \u4f1a\u88ab\u8f6c\u6362\u4e3a 123<\/code>\uff0c\u800c\u4e0d\u662f 124<\/code>\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u901a\u8fc7\u8f93\u5165\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165<\/h2>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6b63\u6574\u6570\u3002Python\u63d0\u4f9b\u4e86 input()<\/code> \u51fd\u6570\uff0c\u53ef\u4ee5\u4ece\u7528\u6237\u90a3\u91cc\u83b7\u53d6\u8f93\u5165\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
1\u3001\u7b80\u5355\u7684\u7528\u6237\u8f93\u5165<\/h3>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 input()<\/code> \u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\uff0c\u7136\u540e\u4f7f\u7528 int()<\/code> \u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
num = int(user_input)<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {num}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0cinput()<\/code> \u51fd\u6570\u4f1a\u6682\u505c\u7a0b\u5e8f\u6267\u884c\uff0c\u7b49\u5f85\u7528\u6237\u8f93\u5165\u5185\u5bb9\u3002\u7528\u6237\u8f93\u5165\u7684\u5185\u5bb9\u4f1a\u88ab\u4f5c\u4e3a\u5b57\u7b26\u4e32\u8fd4\u56de\uff0c\u7136\u540e\u901a\u8fc7 int()<\/code> \u51fd\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<\/p>\n
2\u3001\u6dfb\u52a0\u8f93\u5165\u9a8c\u8bc1<\/h3>\n<\/p>\n
\u4e3a\u4e86\u786e\u4fdd\u7528\u6237\u8f93\u5165\u7684\u786e\u5b9e\u662f\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u8f93\u5165\u9a8c\u8bc1\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
        num = int(user_input)<\/p>\n
        if num > 0:<\/p>\n
            break<\/p>\n
        else:<\/p>\n
            print("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
    except ValueError:<\/p>\n
        print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {num}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a while<\/code> \u5faa\u73af\u548c try-except<\/code> \u8bed\u53e5\u6765\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6b63\u6574\u6570\u3002\u5982\u679c\u8f93\u5165\u65e0\u6548\uff0c\u7a0b\u5e8f\u4f1a\u63d0\u793a\u7528\u6237\u91cd\u65b0\u8f93\u5165\uff0c\u76f4\u5230\u83b7\u5f97\u6709\u6548\u7684\u6b63\u6574\u6570\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570<\/h2>\n<\/p>\n
\u9664\u4e86\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u7f16\u5199\u81ea\u5b9a\u4e49\u51fd\u6570\u6765\u8868\u793a\u548c\u5904\u7406\u6b63\u6574\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u6211\u4eec\u7684\u4ee3\u7801\u66f4\u52a0\u6a21\u5757\u5316\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<\/p>\n
1\u3001\u5b9a\u4e49\u7b80\u5355\u7684\u6b63\u6574\u6570\u51fd\u6570<\/h3>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684\u51fd\u6570\u6765\u8868\u793a\u6b63\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
def get_positive_integer():<\/p>\n
    while True:<\/p>\n
        user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
        try:<\/p>\n
            num = int(user_input)<\/p>\n
            if num > 0:<\/p>\n
                return num<\/p>\n
            else:<\/p>\n
                print("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
num = get_positive_integer()<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {num}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a get_positive_integer()<\/code> \u7684\u51fd\u6570\uff0c\u7528\u4e8e\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6b63\u6574\u6570\u3002\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u4e86 while<\/code> \u5faa\u73af\u548c try-except<\/code> \u8bed\u53e5\u6765\u9a8c\u8bc1\u8f93\u5165\uff0c\u5e76\u5728\u83b7\u5f97\u6709\u6548\u7684\u6b63\u6574\u6570\u540e\u8fd4\u56de\u3002<\/p>\n<\/p>\n
2\u3001\u6269\u5c55\u81ea\u5b9a\u4e49\u51fd\u6570<\/h3>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u6269\u5c55\u81ea\u5b9a\u4e49\u51fd\u6570\uff0c\u4f7f\u5176\u5177\u5907\u66f4\u591a\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u53c2\u6570\u6765\u6307\u5b9a\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\uff1a<\/p>\n<\/p>\n
def get_positive_integer(min_value=1, max_value=100):<\/p>\n
    while True:<\/p>\n
        user_input = input(f"\u8bf7\u8f93\u5165\u4e00\u4e2a\u4ecb\u4e8e {min_value} \u548c {max_value} \u4e4b\u95f4\u7684\u6b63\u6574\u6570: ")<\/p>\n
        try:<\/p>\n
            num = int(user_input)<\/p>\n
            if min_value <= num <= max_value:<\/p>\n
                return num<\/p>\n
            else:<\/p>\n
                print(f"\u8bf7\u8f93\u5165\u4e00\u4e2a\u4ecb\u4e8e {min_value} \u548c {max_value} \u4e4b\u95f4\u7684\u6b63\u6574\u6570!")<\/p>\n
        except ValueError:<\/p>\n
            print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
num = get_positive_integer(10, 50)<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {num}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6269\u5c55\u4e86 get_positive_integer()<\/code> \u51fd\u6570\uff0c\u4f7f\u5176\u53ef\u4ee5\u63a5\u53d7\u4e24\u4e2a\u53c2\u6570 min_value<\/code> \u548c max_value<\/code>\uff0c\u5e76\u5728\u7528\u6237\u8f93\u5165\u7684\u6b63\u6574\u6570\u4e0d\u5728\u6307\u5b9a\u8303\u56f4\u5185\u65f6\u63d0\u793a\u91cd\u65b0\u8f93\u5165\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165<\/h2>\n<\/p>\n
\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u7b26\u5408\u7279\u5b9a\u7684\u683c\u5f0f\u3002\u5728Python\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 re<\/code> \u6a21\u5757\u6765\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
1\u3001\u7b80\u5355\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1<\/h3>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6b63\u6574\u6570\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*$", s) is not None<\/p>\n
user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
if is_positive_integer(user_input):<\/p>\n
    num = int(user_input)<\/p>\n
    print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {num}")<\/p>\n
else:<\/p>\n
    print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a is_positive_integer()<\/code> \u7684\u51fd\u6570\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f r"^[1-9]\\d*$"<\/code> \u6765\u9a8c\u8bc1\u8f93\u5165\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u6b63\u6574\u6570\u3002\u5982\u679c\u9a8c\u8bc1\u901a\u8fc7\uff0c\u5b57\u7b26\u4e32\u4f1a\u88ab\u8f6c\u6362\u4e3a\u6574\u6570\u5e76\u8f93\u51fa\u3002<\/p>\n<\/p>\n
2\u3001\u7ed3\u5408\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u81ea\u5b9a\u4e49\u51fd\u6570<\/h3>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u5c06\u6b63\u5219\u8868\u8fbe\u5f0f\u4e0e\u81ea\u5b9a\u4e49\u51fd\u6570\u7ed3\u5408\u8d77\u6765\uff0c\u7f16\u5199\u4e00\u4e2a\u66f4\u52a0\u5065\u58ee\u7684\u8f93\u5165\u9a8c\u8bc1\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
def get_positive_integer():<\/p>\n
    while True:<\/p>\n
        user_input = input("\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570: ")<\/p>\n
        if re.match(r"^[1-9]\\d*$", user_input):<\/p>\n
            return int(user_input)<\/p>\n
        else:<\/p>\n
            print("\u8f93\u5165\u65e0\u6548\uff0c\u8bf7\u8f93\u5165\u4e00\u4e2a\u6b63\u6574\u6570!")<\/p>\n
num = get_positive_integer()<\/p>\n
print(f"\u4f60\u8f93\u5165\u7684\u6b63\u6574\u6570\u662f: {num}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u662f\u5426\u4e3a\u6b63\u6574\u6570\uff0c\u5e76\u5728\u83b7\u5f97\u6709\u6548\u7684\u6b63\u6574\u6570\u540e\u8fd4\u56de\u3002\u8fd9\u79cd\u65b9\u6cd5\u7ed3\u5408\u4e86\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5f3a\u5927\u9a8c\u8bc1\u80fd\u529b\u548c\u81ea\u5b9a\u4e49\u51fd\u6570\u7684\u7075\u6d3b\u6027\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u5065\u58ee\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5904\u7406\u5927\u6574\u6570<\/h2>\n<\/p>\n
\u5728Python\u4e2d\uff0c\u6574\u6570\u7c7b\u578b\u6ca1\u6709\u56fa\u5b9a\u7684\u5927\u5c0f\u9650\u5236\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u53ef\u4ee5\u5904\u7406\u975e\u5e38\u5927\u7684\u6b63\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
1\u3001\u76f4\u63a5\u8d4b\u503c\u5927\u6574\u6570<\/h3>\n<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u4e00\u4e2a\u975e\u5e38\u5927\u7684\u6b63\u6574\u6570\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
large_num = 123456789012345678901234567890<\/p>\n
print(large_num)  # \u8f93\u51fa: 123456789012345678901234567890<\/p>\n
<\/code><\/pre>\n<\/p>\n
Python\u4f1a\u81ea\u52a8\u5904\u7406\u5927\u6574\u6570\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u6211\u4eec\u8fdb\u884c\u989d\u5916\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u5904\u7406\u5927\u6574\u6570<\/h3>\n<\/p>\n
\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570 int()<\/code> \u5904\u7406\u5927\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
large_num_str = "123456789012345678901234567890"<\/p>\n
large_num = int(large_num_str)<\/p>\n
print(large_num)  # \u8f93\u51fa: 123456789012345678901234567890<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u7528\u4e8e\u5904\u7406\u6765\u81ea\u5916\u90e8\u6570\u636e\u6e90\u7684\u5927\u6574\u6570\uff0c\u4f8b\u5982\u4ece\u6587\u4ef6\u6216\u7f51\u7edc\u8bfb\u53d6\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5904\u7406\u7279\u6b8a\u6574\u6570<\/h2>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u6765\u5904\u7406\u7279\u6b8a\u7684\u6574\u6570\u7c7b\u578b\u3002\u4f8b\u5982\uff0cnumpy<\/code> \u5e93\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\uff0cdecimal<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528 numpy<\/code> \u5904\u7406\u5927\u6574\u6570\u6570\u7ec4<\/h3>\n<\/p>\n
numpy<\/code> \u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import numpy as np<\/p>\n
large_nums = np.array([1234567890123456789, 9876543210987654321], dtype=np.int64)<\/p>\n
print(large_nums)  # \u8f93\u51fa: [1234567890123456789 9876543210987654321]<\/p>\n
<\/code><\/pre>\n<\/p>\n
numpy<\/code> \u5141\u8bb8\u6211\u4eec\u5904\u7406\u5927\u6574\u6570\u6570\u7ec4\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u6570\u7ec4\u64cd\u4f5c\u51fd\u6570\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528 decimal<\/code> \u6a21\u5757\u5904\u7406\u9ad8\u7cbe\u5ea6\u6574\u6570<\/h3>\n<\/p>\n
decimal<\/code> \u6a21\u5757\u63d0\u4f9b\u4e86\u9ad8\u7cbe\u5ea6\u7684\u6d6e\u70b9\u6570\u8fd0\u7b97\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
from decimal import Decimal<\/p>\n
large_num = Decimal("123456789012345678901234567890")<\/p>\n
print(large_num)  # \u8f93\u51fa: 123456789012345678901234567890<\/p>\n
<\/code><\/pre>\n<\/p>\n
decimal<\/code> \u6a21\u5757\u7279\u522b\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u7cbe\u5ea6\u8ba1\u7b97\u7684\u573a\u666f\uff0c\u4f8b\u5982\u91d1\u878d\u8ba1\u7b97\u548c\u79d1\u5b66\u8ba1\u7b97\u3002<\/p>\n<\/p>\n
\u516b\u3001\u603b\u7ed3<\/h2>\n<\/p>\n
\u7528Python\u8868\u793a\u6b63\u6574\u6570\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u5305\u62ec\u76f4\u63a5\u8d4b\u503c\u6574\u6570\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u901a\u8fc7\u8f93\u5165\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\u3001\u4f7f\u7528\u81ea\u5b9a\u4e49\u51fd\u6570\u3001\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165\u3001\u5904\u7406\u5927\u6574\u6570\u548c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5904\u7406\u7279\u6b8a\u6574\u6570\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u52bf\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u6548\u3001\u53ef\u9760\u7684\u6b63\u6574\u6570\u8868\u793a\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u76f8\u4fe1\u8bfb\u8005\u5df2\u7ecf\u5bf9\u5982\u4f55\u7528Python\u8868\u793a\u6b63\u6574\u6570\u6709\u4e86\u5168\u9762\u7684\u4e86\u89e3\u548c\u638c\u63e1\u3002\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\uff0c\u7075\u6d3b\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u6211\u4eec\u7684\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u5065\u58ee\u548c\u9ad8\u6548\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b9a\u4e49\u6b63\u6574\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u6b63\u6574\u6570\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u8d4b\u503c\u6765\u5b9a\u4e49\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u6765\u5b9a\u4e49\u4e00\u4e2a\u6b63\u6574\u6570\uff1a  <\/p>\n
number = 5  # \u8fd9\u662f\u4e00\u4e2a\u6b63\u6574\u6570\n<\/code><\/pre>\n
Python\u5141\u8bb8\u4f60\u76f4\u63a5\u8d4b\u503c\u4efb\u4f55\u6b63\u6574\u6570\u5230\u53d8\u91cf\u4e2d\uff0c\u65e0\u9700\u989d\u5916\u7684\u58f0\u660e\u3002<\/p>\n
Python\u4e2d\u5982\u4f55\u68c0\u67e5\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u6b63\u6574\u6570\uff1f<\/strong>
\u8981\u68c0\u67e5\u4e00\u4e2a\u6570\u662f\u5426\u4e3a\u6b63\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u7ed3\u5408\u5185\u7f6e\u7684isinstance()<\/code>\u51fd\u6570\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
def is_positive_integer(num):\n    return isinstance(num, int) and num > 0\n\nprint(is_positive_integer(10))  # \u8f93\u51fa\uff1aTrue\nprint(is_positive_integer(-5))  # \u8f93\u51fa\uff1aFalse\n<\/code><\/pre>\n
\u8fd9\u79cd\u65b9\u6cd5\u786e\u4fdd\u4f60\u4e0d\u4ec5\u68c0\u67e5\u6570\u503c\u7684\u6b63\u6027\uff0c\u8fd8\u786e\u8ba4\u5176\u6570\u636e\u7c7b\u578b\u4e3a\u6574\u6570\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u5927\u578b\u6b63\u6574\u6570\uff1f<\/strong>
Python\u7684int<\/code>\u7c7b\u578b\u80fd\u591f\u5904\u7406\u4efb\u610f\u5927\u5c0f\u7684\u6574\u6570\uff0c\u5305\u62ec\u975e\u5e38\u5927\u7684\u6b63\u6574\u6570\u3002\u53ef\u4ee5\u76f4\u63a5\u5c06\u5927\u6570\u5b57\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u6bd4\u5982\uff1a  <\/p>\n
large_number = 123456789012345678901234567890\nprint(large_number)\n<\/code><\/pre>\n
\u4e0d\u9700\u8981\u62c5\u5fc3\u6ea2\u51fa\u6216\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u7684\u95ee\u9898\uff0c\u56e0\u4e3aPython\u4f1a\u81ea\u52a8\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u7528Python\u8868\u793a\u6b63\u6574\u6570\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u8d4b\u503c\u6574\u6570\u3001\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u6216\u901a\u8fc7\u8f93\u5165\u51fd\u6570\u83b7\u53d6\u7528\u6237\u8f93\u5165\u3002\u5176\u4e2d\uff0c\u76f4\u63a5\u8d4b\u503c\u6574\u6570\u662f\u6700 […]","protected":false},"author":3,"featured_media":1164877,"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\/1164868"}],"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=1164868"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1164868\/revisions"}],"predecessor-version":[{"id":1164878,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1164868\/revisions\/1164878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1164877"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1164868"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1164868"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1164868"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}