{"id":1051256,"date":"2024-12-31T14:14:50","date_gmt":"2024-12-31T06:14:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1051256.html"},"modified":"2024-12-31T14:14:53","modified_gmt":"2024-12-31T06:14:53","slug":"python%e8%b0%83%e8%af%95%e7%9a%84%e6%97%b6%e5%80%99%e5%a6%82%e4%bd%95%e8%b7%b3%e8%bf%87%e8%bf%99%e4%b8%aa%e9%94%99%e8%af%af","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1051256.html","title":{"rendered":"python\u8c03\u8bd5\u7684\u65f6\u5019\u5982\u4f55\u8df3\u8fc7\u8fd9\u4e2a\u9519\u8bef"},"content":{"rendered":"

\"python\u8c03\u8bd5\u7684\u65f6\u5019\u5982\u4f55\u8df3\u8fc7\u8fd9\u4e2a\u9519\u8bef\"<\/p>\n

\u5728Python\u8c03\u8bd5\u65f6\u8df3\u8fc7\u9519\u8bef\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528try-except\u4ee3\u7801\u5757\u3001\u4f7f\u7528\u65ad\u70b9\u8c03\u8bd5\u5de5\u5177\u3001\u4fee\u6539\u4ee3\u7801\u7ed3\u6784\u3002<\/strong>\u5176\u4e2d\uff0c\u4f7f\u7528try-except\u4ee3\u7801\u5757\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u901a\u8fc7try-except\u4ee3\u7801\u5757\uff0c\u53ef\u4ee5\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\uff0c\u4ece\u800c\u907f\u514d\u7a0b\u5e8f\u56e0\u9519\u8bef\u800c\u4e2d\u65ad\u3002\u5177\u4f53\u64cd\u4f5c\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

try:<\/p>\n
    # \u53ef\u80fd\u4ea7\u751f\u9519\u8bef\u7684\u4ee3\u7801<\/p>\n
except SomeException as e:<\/p>\n
    # \u5904\u7406\u9519\u8bef<\/p>\n
    print(f"An error occurred: {e}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u5728\u9519\u8bef\u53d1\u751f\u65f6\u6355\u83b7\u5f02\u5e38\u5e76\u7ee7\u7eed\u6267\u884c\u7a0b\u5e8f\uff0c\u800c\u4e0d\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\u3002\u4ee5\u4e0b\u662f\u8be6\u7ec6\u63cf\u8ff0\u8c03\u8bd5\u548c\u8df3\u8fc7\u9519\u8bef\u7684\u51e0\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e00\u3001\u4f7f\u7528try-except\u4ee3\u7801\u5757<\/h3>\n<\/p>\n
\u4f7f\u7528try-except\u4ee3\u7801\u5757\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u9519\u8bef\u5904\u7406\u65b9\u6cd5\u3002\u5b83\u80fd\u591f\u6355\u83b7\u5e76\u5904\u7406\u8fd0\u884c\u65f6\u7684\u9519\u8bef\uff0c\u800c\u4e0d\u4f1a\u8ba9\u7a0b\u5e8f\u5d29\u6e83\u3002\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
    \n
  1. \u786e\u5b9a\u53ef\u80fd\u4ea7\u751f\u9519\u8bef\u7684\u4ee3\u7801\u6bb5<\/strong>\uff1a\u5728\u7f16\u5199\u4ee3\u7801\u65f6\uff0c\u8bc6\u522b\u51fa\u53ef\u80fd\u4f1a\u5f15\u53d1\u5f02\u5e38\u7684\u4ee3\u7801\u6bb5\u3002<\/li>\n
  2. \u4f7f\u7528try-except\u4ee3\u7801\u5757\u5305\u88f9\u8be5\u4ee3\u7801\u6bb5<\/strong>\uff1a\u5c06\u8bc6\u522b\u51fa\u7684\u4ee3\u7801\u6bb5\u653e\u5165try\u5757\u4e2d\uff0c\u5e76\u5728except\u5757\u4e2d\u5904\u7406\u5f02\u5e38\u3002<\/li>\n<\/ol>\n
    \u4f8b\u5982\uff1a<\/p>\n<\/p>\n
    try:<\/p>\n
        result = 10 \/ 0  # \u53ef\u80fd\u4ea7\u751fZeroDivisionError<\/p>\n
    except ZeroDivisionError as e:<\/p>\n
        print(f"An error occurred: {e}")  # \u5904\u7406\u9519\u8bef<\/p>\n
        result = None  # \u8bbe\u7f6e\u9ed8\u8ba4\u503c\u6216\u6267\u884c\u5176\u4ed6\u64cd\u4f5c<\/p>\n
    print(result)  # \u8f93\u51faNone<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u786e\u4fdd\u5373\u4f7f\u53d1\u751f\u4e86\u5f02\u5e38\uff0c\u7a0b\u5e8f\u4e5f\u80fd\u7ee7\u7eed\u6267\u884c\u540e\u7eed\u4ee3\u7801\u3002<\/p>\n<\/p>\n
    \u4e8c\u3001\u4f7f\u7528\u65ad\u70b9\u8c03\u8bd5\u5de5\u5177<\/h3>\n<\/p>\n
    \u4f7f\u7528\u65ad\u70b9\u8c03\u8bd5\u5de5\u5177\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u8005\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u8df3\u8fc7\u6216\u67e5\u770b\u9519\u8bef\u7684\u5177\u4f53\u539f\u56e0\u3002\u5927\u591a\u6570\u73b0\u4ee3\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u5982PyCharm\u3001VSCode\u7b49\u90fd\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u8c03\u8bd5\u5de5\u5177\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u65ad\u70b9\u8c03\u8bd5\u5de5\u5177\u7684\u4e00\u822c\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n
      \n
    1. \u8bbe\u7f6e\u65ad\u70b9<\/strong>\uff1a\u5728\u53ef\u80fd\u53d1\u751f\u9519\u8bef\u7684\u4ee3\u7801\u884c\u8bbe\u7f6e\u65ad\u70b9\u3002<\/li>\n
    2. \u8fd0\u884c\u8c03\u8bd5\u6a21\u5f0f<\/strong>\uff1a\u542f\u52a8\u8c03\u8bd5\u6a21\u5f0f\uff0c\u7a0b\u5e8f\u4f1a\u5728\u8bbe\u7f6e\u7684\u65ad\u70b9\u5904\u6682\u505c\u3002<\/li>\n
    3. \u9010\u884c\u8c03\u8bd5<\/strong>\uff1a\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\u9010\u884c\u6267\u884c\u4ee3\u7801\uff0c\u89c2\u5bdf\u53d8\u91cf\u7684\u503c\u548c\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002<\/li>\n
    4. \u8df3\u8fc7\u9519\u8bef<\/strong>\uff1a\u5f53\u9047\u5230\u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u9009\u62e9\u8df3\u8fc7\u5f53\u524d\u4ee3\u7801\u884c\u6216\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u4e2a\u65ad\u70b9\u5904\u7684\u4ee3\u7801\u3002<\/li>\n<\/ol>\n
      \u4f8b\u5982\uff0c\u4f7f\u7528PyCharm\u8c03\u8bd5\u5de5\u5177\uff1a<\/p>\n<\/p>\n