{"id":1047650,"date":"2024-12-31T13:44:18","date_gmt":"2024-12-31T05:44:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1047650.html"},"modified":"2024-12-31T13:44:20","modified_gmt":"2024-12-31T05:44:20","slug":"python%e5%a6%82%e4%bd%95%e7%bb%88%e6%ad%a2%e6%ad%a3%e5%9c%a8%e8%bf%90%e8%a1%8c%e7%9a%84%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1047650.html","title":{"rendered":"python\u5982\u4f55\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f"},"content":{"rendered":"

\"python\u5982\u4f55\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\"<\/p>\n

\u4f7f\u7528sys.exit()<\/code>\u3001\u4f7f\u7528os._exit()<\/code>\u3001\u4f7f\u7528KeyboardInterrupt<\/code>\u3001\u4f7f\u7528signal<\/code>\u6a21\u5757\u3001\u901a\u8fc7\u8bbe\u7f6e\u6807\u5fd7\u4f4d<\/strong><\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528sys.exit()<\/code>\u51fd\u6570\uff0c\u5b83\u4f1a\u5f15\u53d1SystemExit<\/code>\u5f02\u5e38\uff0c\u8fdb\u800c\u7ec8\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002\u76f8\u6bd4\u4e8e\u5176\u4ed6\u65b9\u6cd5\uff0c\u8fd9\u79cd\u65b9\u5f0f\u66f4\u52a0\u4f18\u96c5\u548c\u63a8\u8350\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u8fdb\u884c\u8d44\u6e90\u6e05\u7406\u548c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528sys.exit()<\/code><\/h3>\n<\/p>\n

sys.exit()<\/code> \u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u7ec8\u6b62\u7a0b\u5e8f\u7684\u65b9\u6cd5\u3002\u5b83\u4f1a\u5f15\u53d1\u4e00\u4e2a SystemExit<\/code> \u5f02\u5e38\uff0c\u4ece\u800c\u7ec8\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002\u4f60\u53ef\u4ee5\u4f20\u9012\u4e00\u4e2a\u6574\u6570\u503c\u7ed9 sys.exit()<\/code>\uff0c\u7528\u6765\u8868\u793a\u9000\u51fa\u72b6\u6001\uff0c0\u8868\u793a\u6210\u529f\uff0c\u5176\u4ed6\u4efb\u4f55\u975e\u96f6\u503c\u8868\u793a\u9519\u8bef\u3002<\/p>\n<\/p>\n

import sys<\/p>\n
def mAI<\/a>n():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    # \u5728\u67d0\u4e2a\u6761\u4ef6\u4e0b\u7ec8\u6b62\u7a0b\u5e8f<\/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\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0csys.exit(0)<\/code> \u4f1a\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u5e76\u4e14\u540e\u9762\u7684\u4ee3\u7801\u4e0d\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528os._exit()<\/code><\/h3>\n<\/p>\n
os._exit()<\/code> \u662f\u53e6\u4e00\u4e2a\u7ec8\u6b62\u7a0b\u5e8f\u7684\u65b9\u6cd5\u3002\u4e0e sys.exit()<\/code> \u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4f1a\u7acb\u5373\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u800c\u4e0d\u4f1a\u5f15\u53d1 SystemExit<\/code> \u5f02\u5e38\uff0c\u4e5f\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u6e05\u7406\u64cd\u4f5c\uff08\u4f8b\u5982\u8c03\u7528 finally<\/code> \u8bed\u53e5\u5757\u6216 atexit<\/code> \u6ce8\u518c\u7684\u51fd\u6570\uff09\u3002<\/p>\n<\/p>\n
import os<\/p>\n
def main():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    # \u5728\u67d0\u4e2a\u6761\u4ef6\u4e0b\u7ec8\u6b62\u7a0b\u5e8f<\/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
\u867d\u7136 os._exit()<\/code> \u53ef\u4ee5\u5feb\u901f\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u4f46\u901a\u5e38\u4e0d\u63a8\u8350\u4f7f\u7528\uff0c\u9664\u975e\u4f60\u786e\u5b9e\u4e0d\u9700\u8981\u8fdb\u884c\u4efb\u4f55\u6e05\u7406\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528KeyboardInterrupt<\/code><\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u624b\u52a8\u5f15\u53d1\u4e00\u4e2a KeyboardInterrupt<\/code> \u5f02\u5e38\u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002\u8fd9\u901a\u5e38\u7528\u4e8e\u6a21\u62df\u7528\u6237\u6309\u4e0b Ctrl+C<\/code> \u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n
def main():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    try:<\/p>\n
        # \u5728\u67d0\u4e2a\u6761\u4ef6\u4e0b\u7ec8\u6b62\u7a0b\u5e8f<\/p>\n
        raise KeyboardInterrupt<\/p>\n
    except KeyboardInterrupt:<\/p>\n
        print("\u6355\u83b7\u5230KeyboardInterrupt\u5f02\u5e38\uff0c\u7a0b\u5e8f\u7ec8\u6b62")<\/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\u6cd5\u53ef\u4ee5\u6355\u83b7\u5f02\u5e38\u5e76\u6267\u884c\u4e00\u4e9b\u6e05\u7406\u64cd\u4f5c\uff0c\u7136\u540e\u518d\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528signal<\/code>\u6a21\u5757<\/h3>\n<\/p>\n
signal<\/code> \u6a21\u5757\u5141\u8bb8\u4f60\u8bbe\u7f6e\u5904\u7406\u4fe1\u53f7\u7684\u65b9\u5f0f\uff0c\u4ece\u800c\u5728\u63a5\u6536\u5230\u7279\u5b9a\u4fe1\u53f7\u65f6\u7ec8\u6b62\u7a0b\u5e8f\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u5904\u7406 SIGINT<\/code> \u4fe1\u53f7\uff08\u901a\u5e38\u7531 Ctrl+C<\/code> \u4ea7\u751f\uff09\u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
import signal<\/p>\n
import sys<\/p>\n
def signal_handler(sig, frame):<\/p>\n
    print("\u63a5\u6536\u5230SIGINT\u4fe1\u53f7\uff0c\u7a0b\u5e8f\u7ec8\u6b62")<\/p>\n
    sys.exit(0)<\/p>\n
signal.signal(signal.SIGINT, signal_handler)<\/p>\n
def main():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    try:<\/p>\n
        while True:<\/p>\n
            pass<\/p>\n
    except KeyboardInterrupt:<\/p>\n
        print("\u6355\u83b7\u5230KeyboardInterrupt\u5f02\u5e38\uff0c\u7a0b\u5e8f\u7ec8\u6b62")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u5728\u63a5\u6536\u5230 SIGINT<\/code> \u4fe1\u53f7\u65f6\u8c03\u7528 signal_handler<\/code> \u51fd\u6570\uff0c\u4ece\u800c\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u901a\u8fc7\u8bbe\u7f6e\u6807\u5fd7\u4f4d<\/h3>\n<\/p>\n
\u4e00\u79cd\u66f4\u4e3a\u4f18\u96c5\u7684\u65b9\u5f0f\u662f\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u6807\u5fd7\u4f4d\u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u5728\u4e3b\u5faa\u73af\u4e2d\u5b9a\u671f\u68c0\u67e5\u662f\u5426\u9700\u8981\u7ec8\u6b62\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
def main():<\/p>\n
    print("\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    running = True<\/p>\n
    while running:<\/p>\n
        try:<\/p>\n
            # \u8fd9\u91cc\u662f\u4e3b\u5faa\u73af\u7684\u4ee3\u7801<\/p>\n
            pass<\/p>\n
        except KeyboardInterrupt:<\/p>\n
            print("\u6355\u83b7\u5230KeyboardInterrupt\u5f02\u5e38\uff0c\u7a0b\u5e8f\u7ec8\u6b62")<\/p>\n
            running = False<\/p>\n
    print("\u7a0b\u5e8f\u5df2\u7ec8\u6b62")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u5728\u4e3b\u5faa\u73af\u4e2d\u5b9a\u671f\u68c0\u67e5 running<\/code> \u6807\u5fd7\u4f4d\uff0c\u4ece\u800c\u51b3\u5b9a\u662f\u5426\u7ee7\u7eed\u8fd0\u884c\u7a0b\u5e8f\u3002\u8fd9\u79cd\u65b9\u6cd5\u66f4\u9002\u5408\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u5c24\u5176\u662f\u9700\u8981\u8fdb\u884c\u6e05\u7406\u64cd\u4f5c\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u7ec8\u6b62\u591a\u7ebf\u7a0b\u7a0b\u5e8f<\/h3>\n<\/p>\n
\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u7ec8\u6b62\u7ebf\u7a0b\u53ef\u80fd\u4f1a\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002Python \u7684 threading<\/code> \u6a21\u5757\u4e0d\u63d0\u4f9b\u76f4\u63a5\u7ec8\u6b62\u7ebf\u7a0b\u7684\u65b9\u6cd5\uff0c\u4f46\u4f60\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u6807\u5fd7\u4f4d\u6765\u901a\u77e5\u7ebf\u7a0b\u9000\u51fa\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
import time<\/p>\n
def worker(stop_event):<\/p>\n
    print("\u7ebf\u7a0b\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    while not stop_event.is_set():<\/p>\n
        # \u8fd9\u91cc\u662f\u7ebf\u7a0b\u7684\u5de5\u4f5c\u4ee3\u7801<\/p>\n
        time.sleep(1)<\/p>\n
    print("\u7ebf\u7a0b\u5df2\u7ec8\u6b62")<\/p>\n
def main():<\/p>\n
    stop_event = threading.Event()<\/p>\n
    thread = threading.Thread(target=worker, args=(stop_event,))<\/p>\n
    thread.start()<\/p>\n
    try:<\/p>\n
        while True:<\/p>\n
            pass<\/p>\n
    except KeyboardInterrupt:<\/p>\n
        print("\u6355\u83b7\u5230KeyboardInterrupt\u5f02\u5e38\uff0c\u7ec8\u6b62\u7ebf\u7a0b")<\/p>\n
        stop_event.set()<\/p>\n
        thread.join()<\/p>\n
    print("\u7a0b\u5e8f\u5df2\u7ec8\u6b62")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a Event<\/code> \u5bf9\u8c61 stop_event<\/code>\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u7ebf\u7a0b\u3002\u7ebf\u7a0b\u4f1a\u5b9a\u671f\u68c0\u67e5 stop_event<\/code> \u662f\u5426\u88ab\u8bbe\u7f6e\uff0c\u4ece\u800c\u51b3\u5b9a\u662f\u5426\u9000\u51fa\u3002<\/p>\n<\/p>\n
\u7ec8\u6b62\u5b50\u8fdb\u7a0b<\/h3>\n<\/p>\n
\u5728\u591a\u8fdb\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 multiprocessing<\/code> \u6a21\u5757\u6765\u521b\u5efa\u548c\u7ba1\u7406\u5b50\u8fdb\u7a0b\uff0c\u5e76\u901a\u8fc7 terminate()<\/code> \u65b9\u6cd5\u6765\u7ec8\u6b62\u5b50\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
import multiprocessing<\/p>\n
import time<\/p>\n
def worker():<\/p>\n
    print("\u5b50\u8fdb\u7a0b\u5f00\u59cb\u8fd0\u884c")<\/p>\n
    while True:<\/p>\n
        # \u8fd9\u91cc\u662f\u5b50\u8fdb\u7a0b\u7684\u5de5\u4f5c\u4ee3\u7801<\/p>\n
        time.sleep(1)<\/p>\n
    print("\u5b50\u8fdb\u7a0b\u5df2\u7ec8\u6b62")<\/p>\n
def main():<\/p>\n
    process = multiprocessing.Process(target=worker)<\/p>\n
    process.start()<\/p>\n
    try:<\/p>\n
        while True:<\/p>\n
            pass<\/p>\n
    except KeyboardInterrupt:<\/p>\n
        print("\u6355\u83b7\u5230KeyboardInterrupt\u5f02\u5e38\uff0c\u7ec8\u6b62\u5b50\u8fdb\u7a0b")<\/p>\n
        process.terminate()<\/p>\n
        process.join()<\/p>\n
    print("\u7a0b\u5e8f\u5df2\u7ec8\u6b62")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u5e76\u5728\u4e3b\u8fdb\u7a0b\u6355\u83b7\u5230 KeyboardInterrupt<\/code> \u5f02\u5e38\u65f6\u7ec8\u6b62\u5b50\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u7ec8\u6b62\u6b63\u5728\u8fd0\u884c\u7684Python\u7a0b\u5e8f\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528 sys.exit()<\/code>\u3001os._exit()<\/code>\u3001KeyboardInterrupt<\/code>\u3001signal<\/code> \u6a21\u5757\u4ee5\u53ca\u901a\u8fc7\u8bbe\u7f6e\u6807\u5fd7\u4f4d\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u573a\u666f\u3002\u5728\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u7ec8\u6b62\u7ebf\u7a0b\u548c\u5b50\u8fdb\u7a0b\u9700\u8981\u66f4\u52a0\u5c0f\u5fc3\uff0c\u4ee5\u786e\u4fdd\u8d44\u6e90\u7684\u6b63\u786e\u91ca\u653e\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u63a7\u5236Python\u7a0b\u5e8f\u7684\u6267\u884c\u548c\u7ec8\u6b62\uff0c\u4ece\u800c\u7f16\u5199\u51fa\u66f4\u52a0\u5065\u58ee\u548c\u53ef\u9760\u7684\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b89\u5168\u5730\u7ec8\u6b62\u4e00\u4e2a\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\uff1f<\/strong>
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\u4f7f\u7528\u4ec0\u4e48\u5de5\u5177\u53ef\u4ee5\u76d1\u63a7\u548c\u7ec8\u6b62Python\u7a0b\u5e8f\uff1f<\/strong>
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\u5728Linux\u7cfb\u7edf\u4e2d\u5982\u4f55\u7ec8\u6b62Python\u811a\u672c\uff1f<\/strong>
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