{"id":1069894,"date":"2025-01-08T10:53:09","date_gmt":"2025-01-08T02:53:09","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1069894.html"},"modified":"2025-01-08T10:53:11","modified_gmt":"2025-01-08T02:53:11","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8astr%e7%b1%bb%e5%9e%8b%e7%9a%84%e8%bd%ac%e6%88%90int-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1069894.html","title":{"rendered":"python\u5982\u4f55\u628astr\u7c7b\u578b\u7684\u8f6c\u6210int"},"content":{"rendered":"

\"python\u5982\u4f55\u628astr\u7c7b\u578b\u7684\u8f6c\u6210int\"<\/p>\n

\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570int()<\/code>\u5c06\u5b57\u7b26\u4e32\u7c7b\u578b\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u3002\u4f7f\u7528int()<\/code>\u51fd\u6570\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3001\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u6570\u5b57<\/strong>\u7b49\u65b9\u6cd5\u90fd\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u8f6c\u6362\u3002\u6700\u5e38\u7528\u7684\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528int()<\/code>\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e00\u4e2a\u8868\u793a\u6574\u6570\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528int()\u51fd\u6570<\/p>\n<\/p>\n

Python\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u5185\u7f6e\u51fd\u6570int()<\/code>\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u5b57\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u3002\u53ea\u9700\u5c06\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9int()<\/code>\u51fd\u6570\u5373\u53ef\u5b8c\u6210\u8f6c\u6362\u3002<\/p>\n<\/p>\n

str_num = "123"<\/p>\n
int_num = int(str_num)<\/p>\n
print(int_num)  # \u8f93\u51fa\uff1a123<\/p>\n
print(type(int_num))  # \u8f93\u51fa\uff1a<class 'int'><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32"123"<\/code>\u88ab\u6210\u529f\u8f6c\u6362\u4e3a\u6574\u6570123<\/code>\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5<\/p>\n<\/p>\n
\u5728\u4f7f\u7528int()<\/code>\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\u65f6\uff0c\u6709\u53ef\u80fd\u4f1a\u9047\u5230\u65e0\u6cd5\u8f6c\u6362\u7684\u60c5\u51b5\uff0c\u4f8b\u5982\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\u3002\u4e3a\u4e86\u907f\u514d\u7a0b\u5e8f\u5d29\u6e83\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528try...except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u5f02\u5e38\u5e76\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<\/p>\n
str_num = "123abc"<\/p>\n
try:<\/p>\n
    int_num = int(str_num)<\/p>\n
    print(int_num)<\/p>\n
except ValueError:<\/p>\n
    print(f"\u65e0\u6cd5\u5c06\u5b57\u7b26\u4e32'{str_num}'\u8f6c\u6362\u4e3a\u6574\u6570")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32"123abc"<\/code>\u65e0\u6cd5\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u7a0b\u5e8f\u4f1a\u6355\u83b7\u5230ValueError<\/code>\u5f02\u5e38\u5e76\u8f93\u51fa\u63d0\u793a\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u6570\u5b57<\/p>\n<\/p>\n
\u5728\u8fdb\u884c\u8f6c\u6362\u4e4b\u524d\uff0c\u53ef\u4ee5\u5148\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002Python\u63d0\u4f9b\u4e86str.isdigit()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u6765\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002<\/p>\n<\/p>\n
str_num = "123abc"<\/p>\n
if str_num.isdigit():<\/p>\n
    int_num = int(str_num)<\/p>\n
    print(int_num)<\/p>\n
else:<\/p>\n
    print(f"\u5b57\u7b26\u4e32'{str_num}'\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\uff0c\u65e0\u6cd5\u8f6c\u6362\u4e3a\u6574\u6570")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cstr_num<\/code>\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\uff0c\u56e0\u6b64\u7a0b\u5e8f\u4f1a\u8f93\u51fa\u63d0\u793a\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5904\u7406\u5e26\u5c0f\u6570\u70b9\u7684\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5b57\u7b26\u4e32\u53ef\u80fd\u8868\u793a\u4e00\u4e2a\u5e26\u5c0f\u6570\u70b9\u7684\u6d6e\u70b9\u6570\u3002\u4e3a\u4e86\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u53ef\u4ee5\u5148\u5c06\u5176\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\uff0c\u518d\u4f7f\u7528int()<\/code>\u51fd\u6570\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<\/p>\n
str_num = "123.45"<\/p>\n
try:<\/p>\n
    float_num = float(str_num)<\/p>\n
    int_num = int(float_num)<\/p>\n
    print(int_num)<\/p>\n
except ValueError:<\/p>\n
    print(f"\u65e0\u6cd5\u5c06\u5b57\u7b26\u4e32'{str_num}'\u8f6c\u6362\u4e3a\u6574\u6570")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32"123.45"<\/code>\u88ab\u6210\u529f\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570123.45<\/code>\uff0c\u7136\u540e\u518d\u8f6c\u6362\u4e3a\u6574\u6570123<\/code>\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u5e26\u7b26\u53f7\u7684\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
\u6709\u65f6\uff0c\u5b57\u7b26\u4e32\u8868\u793a\u7684\u6570\u5b57\u53ef\u80fd\u5e26\u6709\u6b63\u8d1f\u53f7\u3002int()<\/code>\u51fd\u6570\u53ef\u4ee5\u81ea\u52a8\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ea\u9700\u786e\u4fdd\u5b57\u7b26\u4e32\u683c\u5f0f\u6b63\u786e\u3002<\/p>\n<\/p>\n
str_num = "-123"<\/p>\n
int_num = int(str_num)<\/p>\n
print(int_num)  # \u8f93\u51fa\uff1a-123<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32"-123"<\/code>\u88ab\u6210\u529f\u8f6c\u6362\u4e3a\u6574\u6570-123<\/code>\u3002<\/p>\n<\/p>\n
\u516d\u3001\u5904\u7406\u5176\u4ed6\u8fdb\u5236\u7684\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
Python\u7684int()<\/code>\u51fd\u6570\u8fd8\u53ef\u4ee5\u5c06\u5176\u4ed6\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6574\u6570\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c06\u4e8c\u8fdb\u5236\u3001\u516b\u8fdb\u5236\u548c\u5341\u516d\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6574\u6570\u3002<\/p>\n<\/p>\n
bin_str = "1101"<\/p>\n
oct_str = "17"<\/p>\n
hex_str = "1A"<\/p>\n
int_num_bin = int(bin_str, 2)<\/p>\n
int_num_oct = int(oct_str, 8)<\/p>\n
int_num_hex = int(hex_str, 16)<\/p>\n
print(int_num_bin)  # \u8f93\u51fa\uff1a13<\/p>\n
print(int_num_oct)  # \u8f93\u51fa\uff1a15<\/p>\n
print(int_num_hex)  # \u8f93\u51fa\uff1a26<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u4e8c\u8fdb\u5236\u5b57\u7b26\u4e32"1101"<\/code>\u88ab\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6574\u657013<\/code>\uff0c\u516b\u8fdb\u5236\u5b57\u7b26\u4e32"17"<\/code>\u88ab\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6574\u657015<\/code>\uff0c\u5341\u516d\u8fdb\u5236\u5b57\u7b26\u4e32"1A"<\/code>\u88ab\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6574\u657026<\/code>\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u53d6\u6570\u5b57<\/p>\n<\/p>\n
\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\uff0c\u4f46\u4f60\u4ecd\u5e0c\u671b\u63d0\u53d6\u5176\u4e2d\u7684\u6570\u5b57\u5e76\u8f6c\u6362\u4e3a\u6574\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u63d0\u53d6\u6570\u5b57\u90e8\u5206\u3002<\/p>\n<\/p>\n
import re<\/p>\n
str_num = "abc123xyz"<\/p>\n
match = re.search(r'\\d+', str_num)<\/p>\n
if match:<\/p>\n
    int_num = int(match.group())<\/p>\n
    print(int_num)  # \u8f93\u51fa\uff1a123<\/p>\n
else:<\/p>\n
    print(f"\u5b57\u7b26\u4e32'{str_num}'\u4e2d\u6ca1\u6709\u627e\u5230\u6570\u5b57")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6b63\u5219\u8868\u8fbe\u5f0fr'\\d+'<\/code>\u5339\u914d\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u90e8\u5206\uff0c\u63d0\u53d6\u5e76\u8f6c\u6362\u4e3a\u6574\u6570123<\/code>\u3002<\/p>\n<\/p>\n
\u516b\u3001\u8f6c\u6362\u5305\u542b\u9017\u53f7\u7684\u6570\u5b57\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u5730\u533a\uff0c\u6570\u5b57\u5b57\u7b26\u4e32\u53ef\u80fd\u4f7f\u7528\u9017\u53f7\u4f5c\u4e3a\u5343\u4f4d\u5206\u9694\u7b26\u3002\u4e3a\u4e86\u6b63\u786e\u8f6c\u6362\u8fd9\u79cd\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u5148\u79fb\u9664\u5176\u4e2d\u7684\u9017\u53f7\u3002<\/p>\n<\/p>\n
str_num = "1,234,567"<\/p>\n
try:<\/p>\n
    int_num = int(str_num.replace(",", ""))<\/p>\n
    print(int_num)  # \u8f93\u51fa\uff1a1234567<\/p>\n
except ValueError:<\/p>\n
    print(f"\u65e0\u6cd5\u5c06\u5b57\u7b26\u4e32'{str_num}'\u8f6c\u6362\u4e3a\u6574\u6570")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u7b26\u4e32"1,234,567"<\/code>\u4e2d\u7684\u9017\u53f7\u88ab\u79fb\u9664\u540e\u6210\u529f\u8f6c\u6362\u4e3a\u6574\u65701234567<\/code>\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528\u51fd\u6570\u5c01\u88c5\u8f6c\u6362\u903b\u8f91<\/p>\n<\/p>\n
\u4e3a\u4e86\u7b80\u5316\u4ee3\u7801\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u7684\u903b\u8f91\u5c01\u88c5\u5728\u4e00\u4e2a\u51fd\u6570\u4e2d\uff0c\u4ee5\u4fbf\u5728\u591a\u4e2a\u5730\u65b9\u91cd\u590d\u4f7f\u7528\u3002<\/p>\n<\/p>\n
def str_to_int(str_num):<\/p>\n
    try:<\/p>\n
        return int(str_num)<\/p>\n
    except ValueError:<\/p>\n
        return None<\/p>\n
str_num = "123"<\/p>\n
int_num = str_to_int(str_num)<\/p>\n
if int_num is not None:<\/p>\n
    print(int_num)  # \u8f93\u51fa\uff1a123<\/p>\n
else:<\/p>\n
    print(f"\u65e0\u6cd5\u5c06\u5b57\u7b26\u4e32'{str_num}'\u8f6c\u6362\u4e3a\u6574\u6570")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u51fd\u6570str_to_int<\/code>\u5c01\u88c5\u4e86\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u7684\u903b\u8f91\uff0c\u8c03\u7528\u8be5\u51fd\u6570\u65f6\u5982\u679c\u8f6c\u6362\u5931\u8d25\u4f1a\u8fd4\u56deNone<\/code>\u3002<\/p>\n<\/p>\n
\u5341\u3001\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u5c06\u5b57\u7b26\u4e32\u7c7b\u578b\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u3002\u4f7f\u7528int()<\/code>\u51fd\u6570\u662f\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u60c5\u51b5\u5904\u7406\u5f02\u5e38\u3001\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u6570\u5b57\u3001\u5904\u7406\u5e26\u5c0f\u6570\u70b9\u548c\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\u3001\u8f6c\u6362\u5176\u4ed6\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u4ee5\u53ca\u63d0\u53d6\u5305\u542b\u975e\u6570\u5b57\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u3002\u5408\u7406\u5730\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n
\u603b\u7ed3\uff1a<\/p>\n<\/p>\n
    \n
  1. \u4f7f\u7528int()<\/code>\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\uff0c\u6700\u4e3a\u76f4\u63a5\u65b9\u4fbf\u3002<\/strong><\/li>\n
  2. \u4f7f\u7528try...except<\/code>\u5904\u7406\u5f02\u5e38\uff0c\u9632\u6b62\u7a0b\u5e8f\u5d29\u6e83\u3002<\/strong><\/li>\n
  3. \u4f7f\u7528str.isdigit()<\/code>\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\u3002<\/strong><\/li>\n
  4. \u5904\u7406\u5e26\u5c0f\u6570\u70b9\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u5148\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\u518d\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/strong><\/li>\n
  5. \u5e26\u7b26\u53f7\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528int()<\/code>\u51fd\u6570\u8f6c\u6362\u3002<\/strong><\/li>\n
  6. \u5176\u4ed6\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u53ef\u4ee5\u4f7f\u7528int()<\/code>\u51fd\u6570\u8f6c\u6362\u4e3a\u5341\u8fdb\u5236\u6574\u6570\u3002<\/strong><\/li>\n
  7. \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u63d0\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u6570\u5b57\u90e8\u5206\u8fdb\u884c\u8f6c\u6362\u3002<\/strong><\/li>\n
  8. \u79fb\u9664\u5305\u542b\u9017\u53f7\u7684\u6570\u5b57\u5b57\u7b26\u4e32\u4e2d\u7684\u9017\u53f7\u540e\u8fdb\u884c\u8f6c\u6362\u3002<\/strong><\/li>\n
  9. \u5c06\u8f6c\u6362\u903b\u8f91\u5c01\u88c5\u5728\u51fd\u6570\u4e2d\uff0c\u63d0\u9ad8\u4ee3\u7801\u590d\u7528\u6027\u3002<\/strong><\/li>\n<\/ol>\n
    \u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5e94\u5bf9\u5404\u79cd\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u7684\u9700\u6c42\uff0c\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u68c0\u67e5\u4e00\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6574\u6570\uff1f<\/strong>
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528str.isdigit()<\/code>\u65b9\u6cd5\u6765\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u53ea\u5305\u542b\u6570\u5b57\u5b57\u7b26\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u8be5\u5b57\u7b26\u4e32\u53ef\u4ee5\u5b89\u5168\u5730\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    s = "123"\nif s.isdigit():\n    number = int(s)\nelse:\n    print("\u5b57\u7b26\u4e32\u4e0d\u80fd\u8f6c\u6362\u4e3a\u6574\u6570")\n<\/code><\/pre>\n
    \u5982\u679c\u5b57\u7b26\u4e32\u5305\u542b\u7a7a\u683c\u6216\u5176\u4ed6\u5b57\u7b26\uff0c\u5982\u4f55\u5904\u7406\uff1f<\/strong>
    \u5bf9\u4e8e\u5305\u542b\u7a7a\u683c\u6216\u5176\u4ed6\u5b57\u7b26\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528str.strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u524d\u540e\u7684\u7a7a\u683c\uff0c\u5e76\u7ed3\u5408try...except<\/code>\u7ed3\u6784\u5904\u7406\u53ef\u80fd\u51fa\u73b0\u7684\u5f02\u5e38\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    s = "  123  "\ntry:\n    number = int(s.strip())\nexcept ValueError:\n    print("\u5b57\u7b26\u4e32\u4e0d\u80fd\u8f6c\u6362\u4e3a\u6574\u6570")\n<\/code><\/pre>\n
    \u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u8f6c\u6362\u5931\u8d25\u7684\u60c5\u51b5\uff1f<\/strong>
    \u5728\u8fdb\u884c\u5b57\u7b26\u4e32\u5230\u6574\u6570\u7684\u8f6c\u6362\u65f6\uff0c\u4f7f\u7528try...except<\/code>\u7ed3\u6784\u662f\u5904\u7406\u8f6c\u6362\u5931\u8d25\u7684\u6709\u6548\u65b9\u6cd5\u3002\u5982\u679c\u8f6c\u6362\u5931\u8d25\uff0c\u53ef\u4ee5\u6355\u83b7ValueError<\/code>\u5f02\u5e38\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\uff0c\u6bd4\u5982\u8f93\u51fa\u9519\u8bef\u63d0\u793a\u6216\u8fd4\u56de\u9ed8\u8ba4\u503c\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
    s = "abc"\ntry:\n    number = int(s)\nexcept ValueError:\n    print("\u8f6c\u6362\u5931\u8d25\uff1a\u5b57\u7b26\u4e32\u4e0d\u80fd\u8f6c\u6362\u4e3a\u6574\u6570")\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u51fd\u6570int()\u5c06\u5b57\u7b26\u4e32\u7c7b\u578b\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u3002\u4f7f\u7528int()\u51fd\u6570\u3001\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3001\u68c0\u67e5 […]","protected":false},"author":3,"featured_media":1069903,"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\/1069894"}],"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=1069894"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1069894\/revisions"}],"predecessor-version":[{"id":1069904,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1069894\/revisions\/1069904"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1069903"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1069894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1069894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1069894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}