{"id":933448,"date":"2024-12-26T18:15:53","date_gmt":"2024-12-26T10:15:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/933448.html"},"modified":"2024-12-26T18:15:55","modified_gmt":"2024-12-26T10:15:55","slug":"python-%e5%a6%82%e4%bd%95%e7%bb%93%e6%9d%9f%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/933448.html","title":{"rendered":"python \u5982\u4f55\u7ed3\u675f\u7a0b\u5e8f"},"content":{"rendered":"

\"python<\/p>\n

\u5728Python\u4e2d\u7ed3\u675f\u7a0b\u5e8f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528sys.exit()\u3001os._exit()\u3001exit()\u3001quit()\u4ee5\u53ca\u901a\u8fc7\u6355\u83b7\u7279\u5b9a\u6761\u4ef6\u6216\u5f02\u5e38\u8fdb\u884c\u7ec8\u6b62\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6700\u5e38\u7528\u4e14\u63a8\u8350\u7684\u65b9\u6cd5\u662f\u4f7f\u7528sys.exit()\u3002<\/strong>sys.exit()\u51fd\u6570\u662f\u6807\u51c6\u5e93sys\u6a21\u5757\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u5458\u4ece\u7a0b\u5e8f\u7684\u4efb\u610f\u4f4d\u7f6e\u5b89\u5168\u5730\u7ec8\u6b62\u7a0b\u5e8f\u3002os._exit()\u5219\u662f\u4e00\u4e2a\u66f4\u5e95\u5c42\u7684\u65b9\u6cd5\uff0c\u901a\u5e38\u7528\u4e8e\u5b50\u8fdb\u7a0b\u7684\u7ec8\u6b62\u3002exit()\u548cquit()\u867d\u7136\u53ef\u4ee5\u76f4\u63a5\u5728\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\u4e2d\u4f7f\u7528\uff0c\u4f46\u4e0d\u5efa\u8bae\u5728\u751f\u4ea7\u4ee3\u7801\u4e2d\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e3b\u8981\u662f\u4e3a\u4e86\u4fbf\u5229\u800c\u5b58\u5728\u7684\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528SYS.EXIT()\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0csys.exit()\u662f\u6700\u5e38\u7528\u7684\u7ec8\u6b62\u7a0b\u5e8f\u7684\u65b9\u6cd5\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u5b89\u5168\u4e14\u5e72\u51c0\u7684\u65b9\u5f0f\u6765\u9000\u51fa\u7a0b\u5e8f\u3002sys.exit()\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u53c2\u6570\uff0c\u8868\u793a\u9000\u51fa\u72b6\u6001\u7801\uff0c\u5176\u4e2d0\u901a\u5e38\u8868\u793a\u6210\u529f\uff0c\u5176\u4ed6\u4efb\u4f55\u503c\u8868\u793a\u4e0d\u540c\u7c7b\u578b\u7684\u9519\u8bef\u3002<\/p>\n<\/p>\n

1.1 \u5bfc\u5165sys\u6a21\u5757<\/p>\n<\/p>\n

\u5728\u4f7f\u7528sys.exit()\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5bfc\u5165sys\u6a21\u5757\u3002sys\u662fPython\u7684\u6807\u51c6\u5e93\u6a21\u5757\u4e4b\u4e00\uff0c\u63d0\u4f9b\u4e86\u4e0ePython\u89e3\u91ca\u5668\u76f8\u5173\u7684\u51fd\u6570\u548c\u53d8\u91cf\u3002<\/p>\n<\/p>\n

import sys<\/p>\n
<\/code><\/pre>\n<\/p>\n
1.2 \u4f7f\u7528sys.exit()\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
\u5728\u7a0b\u5e8f\u7684\u4efb\u610f\u4f4d\u7f6e\u8c03\u7528sys.exit()\u90fd\u53ef\u4ee5\u7ec8\u6b62\u7a0b\u5e8f\u8fd0\u884c\u3002<\/p>\n<\/p>\n
import sys<\/p>\n
def mAI<\/a>n():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/p>\n
    sys.exit(0)<\/p>\n
    print("\u8fd9\u884c\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u5728\u6267\u884c\u5b8cprint("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/code>\u540e\u8c03\u7528sys.exit(0)\uff0c\u7a0b\u5e8f\u7acb\u5373\u7ec8\u6b62\uff0c\u5e76\u4e14\u4e0d\u4f1a\u6267\u884c\u540e\u9762\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n
1.3 \u6355\u83b7SystemExit\u5f02\u5e38<\/p>\n<\/p>\n
\u8c03\u7528sys.exit()\u4f1a\u5f15\u53d1\u4e00\u4e2aSystemExit\u5f02\u5e38\uff0c\u53ef\u4ee5\u4f7f\u7528try…except\u7ed3\u6784\u6355\u83b7\u8fd9\u4e2a\u5f02\u5e38\u8fdb\u884c\u7279\u5b9a\u5904\u7406\u3002<\/p>\n<\/p>\n
import sys<\/p>\n
try:<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/p>\n
    sys.exit(0)<\/p>\n
except SystemExit:<\/p>\n
    print("\u6355\u83b7\u5230SystemExit\u5f02\u5e38\uff0c\u7a0b\u5e8f\u5373\u5c06\u9000\u51fa")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u5728\u7a0b\u5e8f\u9000\u51fa\u524d\u6267\u884c\u4e00\u4e9b\u6e05\u7406\u6216\u8bb0\u5f55\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528OS._EXIT()\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
os._exit()\u662f\u4e00\u4e2a\u66f4\u5e95\u5c42\u7684\u9000\u51fa\u65b9\u6cd5\uff0c\u901a\u5e38\u7528\u4e8e\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u5b50\u8fdb\u7a0b\u7684\u9000\u51fa\u3002\u4e0esys.exit()\u4e0d\u540c\uff0cos._exit()\u4e0d\u4f1a\u629b\u51faSystemExit\u5f02\u5e38\uff0c\u56e0\u6b64\u4e0d\u4f1a\u6267\u884cfinally\u5757\u4e2d\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n
2.1 \u5bfc\u5165os\u6a21\u5757<\/p>\n<\/p>\n
\u540c\u6837\u9700\u8981\u5148\u5bfc\u5165os\u6a21\u5757\u3002<\/p>\n<\/p>\n
import os<\/p>\n
<\/code><\/pre>\n<\/p>\n
2.2 \u4f7f\u7528os._exit()\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
import os<\/p>\n
def main():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/p>\n
    os._exit(0)<\/p>\n
    print("\u8fd9\u884c\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
os._exit()\u76f4\u63a5\u7ec8\u6b62\u8fdb\u7a0b\uff0c\u4e0d\u8fdb\u884c\u4efb\u4f55\u6e05\u7406\u64cd\u4f5c\uff0c\u56e0\u6b64\u4e0d\u5efa\u8bae\u5728\u666e\u901a\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528EXIT()\u548cQUIT()\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
exit()\u548cquit()\u662fPython\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u8bbe\u8ba1\u7528\u4e8e\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\u4e2d\uff0c\u8ba9\u7528\u6237\u65b9\u4fbf\u9000\u51fa\u89e3\u91ca\u5668\u3002\u5728\u811a\u672c\u4e2d\u4f7f\u7528\u5b83\u4eec\u5e76\u4e0d\u5e38\u89c1\uff0c\u4e5f\u4e0d\u63a8\u8350\u3002<\/p>\n<\/p>\n
3.1 \u4f7f\u7528exit()\u548cquit()<\/p>\n<\/p>\n
print("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/p>\n
exit()<\/p>\n
print("\u8fd9\u884c\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4ea4\u4e92\u5f0f\u73af\u5883\u4e2d\uff0c\u5b83\u4eec\u7684\u6548\u679c\u4e0esys.exit()\u7c7b\u4f3c\uff0c\u4f46\u5728\u811a\u672c\u4e2d\u5b83\u4eec\u901a\u5e38\u6620\u5c04\u5230sys.exit()\uff0c\u56e0\u6b64\u5e76\u4e0d\u76f4\u63a5\u63a8\u8350\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u56db\u3001\u901a\u8fc7\u6761\u4ef6\u6216\u5f02\u5e38\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u901a\u8fc7\u6355\u83b7\u5f02\u5e38\u6216\u68c0\u67e5\u6761\u4ef6\u7ec8\u6b62\u7a0b\u5e8f\u4e5f\u662f\u5e38\u89c1\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
4.1 \u6355\u83b7\u5f02\u5e38\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
def main():<\/p>\n
    try:<\/p>\n
        print("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/p>\n
        raise Exception("\u89e6\u53d1\u5f02\u5e38")<\/p>\n
    except Exception as e:<\/p>\n
        print(f"\u6355\u83b7\u5230\u5f02\u5e38: {e}")<\/p>\n
        return<\/p>\n
    print("\u8fd9\u884c\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u5141\u8bb8\u5728\u5f02\u5e38\u53d1\u751f\u65f6\u8fdb\u884c\u7279\u5b9a\u5904\u7406\uff0c\u7136\u540e\u901a\u8fc7return\u8bed\u53e5\u9000\u51fa\u51fd\u6570\uff0c\u4ece\u800c\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
4.2 \u6761\u4ef6\u5224\u65ad\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n<\/p>\n
\u901a\u8fc7\u6761\u4ef6\u5224\u65ad\uff0c\u7a0b\u5e8f\u53ef\u4ee5\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u9000\u51fa\u3002<\/p>\n<\/p>\n
def main():<\/p>\n
    condition = True<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u6267\u884c")<\/p>\n
    if condition:<\/p>\n
        print("\u6ee1\u8db3\u6761\u4ef6\uff0c\u7a0b\u5e8f\u7ec8\u6b62")<\/p>\n
        return<\/p>\n
    print("\u8fd9\u884c\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5728\u7279\u5b9a\u903b\u8f91\u6761\u4ef6\u4e0b\u7ec8\u6b62\u7a0b\u5e8f\u7684\u573a\u666f\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u603b\u7ed3<\/p>\n<\/p>\n
\u5728Python\u4e2d\u7ec8\u6b62\u7a0b\u5e8f\u7684\u65b9\u6cd5\u591a\u79cd\u591a\u6837\uff0c\u6700\u63a8\u8350\u7684\u65b9\u6cd5\u662f\u4f7f\u7528sys.exit()<\/strong>\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u4e14\u5b89\u5168\u7684\u9000\u51fa\u65b9\u5f0f\u3002os._exit()\u9002\u7528\u4e8e\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u7684\u5b50\u8fdb\u7a0b\u9000\u51fa\u3002exit()\u548cquit()\u9002\u7528\u4e8e\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\u4e2d\uff0c\u800c\u4e0d\u63a8\u8350\u5728\u811a\u672c\u4e2d\u4f7f\u7528\u3002\u901a\u8fc7\u6355\u83b7\u5f02\u5e38\u6216\u6761\u4ef6\u5224\u65ad\u6765\u7ec8\u6b62\u7a0b\u5e8f\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u63a7\u5236\uff0c\u9002\u7528\u4e8e\u7279\u5b9a\u903b\u8f91\u573a\u666f\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b89\u5168\u5730\u9000\u51fa\u7a0b\u5e8f\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u5b89\u5168\u9000\u51fa\u7a0b\u5e8f\u53ef\u4ee5\u901a\u8fc7sys.exit()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u3002\u8be5\u51fd\u6570\u5141\u8bb8\u60a8\u5728\u4efb\u4f55\u9700\u8981\u7684\u5730\u65b9\u7ed3\u675f\u7a0b\u5e8f\u5e76\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u72b6\u6001\u7801\uff0c\u901a\u5e380\u8868\u793a\u6b63\u5e38\u9000\u51fa\uff0c1\u8868\u793a\u5f02\u5e38\u9000\u51fa\u3002\u4f7f\u7528\u6b64\u51fd\u6570\u65f6\uff0c\u8bf7\u786e\u4fdd\u5728\u6587\u4ef6\u5f00\u5934\u5bfc\u5165sys<\/code>\u6a21\u5757\u3002<\/p>\n
\u5728Python\u811a\u672c\u4e2d\u5982\u4f55\u5904\u7406\u5f02\u5e38\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u6b63\u5e38\u7ed3\u675f\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u548c\u5904\u7406\u5f02\u5e38\u3002\u901a\u8fc7\u5728try<\/code>\u5757\u4e2d\u653e\u7f6e\u53ef\u80fd\u5f15\u53d1\u5f02\u5e38\u7684\u4ee3\u7801\uff0c\u60a8\u53ef\u4ee5\u5728except<\/code>\u5757\u4e2d\u5904\u7406\u5f02\u5e38\u5e76\u51b3\u5b9a\u662f\u5426\u8c03\u7528sys.exit()<\/code>\u6765\u6b63\u5e38\u7ed3\u675f\u7a0b\u5e8f\u3002\u8fd9\u79cd\u65b9\u5f0f\u6709\u52a9\u4e8e\u5728\u53d1\u751f\u9519\u8bef\u65f6\u786e\u4fdd\u7a0b\u5e8f\u53ef\u4ee5\u4f18\u96c5\u5730\u9000\u51fa\uff0c\u800c\u4e0d\u662f\u76f4\u63a5\u5d29\u6e83\u3002<\/p>\n
\u6709\u4ec0\u4e48\u65b9\u6cd5\u53ef\u4ee5\u5f3a\u5236\u7ec8\u6b62\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u7684Python\u7a0b\u5e8f\uff1f<\/strong>
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