{"id":1039858,"date":"2024-12-31T12:36:20","date_gmt":"2024-12-31T04:36:20","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1039858.html"},"modified":"2024-12-31T12:36:23","modified_gmt":"2024-12-31T04:36:23","slug":"python%e5%a6%82%e4%bd%95%e7%bb%88%e6%ad%a2%e8%bf%90%e8%a1%8c%e4%b8%ad%e7%9a%84%e7%a8%8b%e5%ba%8f%e8%bf%90%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1039858.html","title":{"rendered":"python\u5982\u4f55\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u8fd0\u884c"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-docs.pingcode.com\/wp-content\/uploads\/2024\/12\/8fd2e87b-022e-44b0-a4aa-5dc199583f9e.webp?x-oss-process=image\/auto-orient,1\/format,webp\" alt=\"python\u5982\u4f55\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u8fd0\u884c\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a\u4f7f\u7528sys.exit()\u51fd\u6570\u3001\u6355\u83b7KeyboardInterrupt\u5f02\u5e38\u3001\u4f7f\u7528os._exit()\u51fd\u6570\u3001\u901a\u8fc7\u4fe1\u53f7\u5904\u7406\u7b49\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u793a\u4f8b\u4ee3\u7801\u3002<\/strong><\/p>\n<\/p>\n<p><p>Python\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<ol>\n<li><strong>sys.exit()\u51fd\u6570<\/strong>\uff1a\u8fd9\u662f\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002sys.exit()\u51fd\u6570\u4f1a\u5f15\u53d1SystemExit\u5f02\u5e38\uff0c\u7a0b\u5e8f\u5c06\u5728\u8c03\u7528\u6b64\u51fd\u6570\u65f6\u7ec8\u6b62\u6267\u884c\u3002<\/li>\n<li><strong>\u6355\u83b7KeyboardInterrupt\u5f02\u5e38<\/strong>\uff1a\u5f53\u7528\u6237\u6309\u4e0bCtrl+C\u65f6\uff0c\u4f1a\u5f15\u53d1KeyboardInterrupt\u5f02\u5e38\uff0c\u53ef\u4ee5\u901a\u8fc7\u6355\u83b7\u8be5\u5f02\u5e38\u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/li>\n<li><strong>os._exit()\u51fd\u6570<\/strong>\uff1a\u6b64\u51fd\u6570\u4f1a\u7acb\u5373\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u800c\u4e0d\u4f1a\u5f15\u53d1\u4efb\u4f55\u5f02\u5e38\u6216\u6267\u884c\u4efb\u4f55\u6e05\u7406\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u901a\u8fc7\u4fe1\u53f7\u5904\u7406<\/strong>\uff1a\u4f7f\u7528\u4fe1\u53f7\u5904\u7406\u53ef\u4ee5\u5728\u7a0b\u5e8f\u4e2d\u6355\u83b7\u7279\u5b9a\u7684\u4fe1\u53f7\uff0c\u5e76\u6267\u884c\u76f8\u5e94\u7684\u5904\u7406\u903b\u8f91\u3002<\/li>\n<\/ol>\n<p><p>\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001sys.exit()\u51fd\u6570<\/h3>\n<\/p>\n<p><p>sys.exit()\u51fd\u6570\u662f\u6700\u5e38\u7528\u7684\u7ec8\u6b62Python\u7a0b\u5e8f\u7684\u65b9\u6cd5\u3002\u5b83\u4f1a\u5f15\u53d1SystemExit\u5f02\u5e38\uff0c\u4ece\u800c\u7ec8\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002sys.exit()\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u53ef\u9009\u7684\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u8868\u793a\u9000\u51fa\u72b6\u6001\u7801\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sys<\/p>\n<p>def m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>n():<\/p>\n<p>    print(&quot;\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c&quot;)<\/p>\n<p>    # \u5728\u9700\u8981\u7ec8\u6b62\u7a0b\u5e8f\u7684\u5730\u65b9\u8c03\u7528sys.exit()<\/p>\n<p>    sys.exit(&quot;\u7a0b\u5e8f\u7ec8\u6b62&quot;)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u7a0b\u5e8f\u5728\u8c03\u7528sys.exit()\u51fd\u6570\u540e\u4f1a\u7acb\u5373\u7ec8\u6b62\uff0c\u5e76\u8f93\u51fa\u201c\u7a0b\u5e8f\u7ec8\u6b62\u201d\u7684\u6d88\u606f\u3002sys.exit()\u51fd\u6570\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u8868\u793a\u9000\u51fa\u72b6\u6001\u7801\u3002\u7ea6\u5b9a0\u8868\u793a\u6b63\u5e38\u9000\u51fa\uff0c\u975e\u96f6\u503c\u8868\u793a\u5f02\u5e38\u9000\u51fa\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u6355\u83b7KeyboardInterrupt\u5f02\u5e38<\/h3>\n<\/p>\n<p><p>\u5f53\u7528\u6237\u6309\u4e0bCtrl+C\u65f6\uff0c\u4f1a\u5f15\u53d1KeyboardInterrupt\u5f02\u5e38\uff0c\u53ef\u4ee5\u901a\u8fc7\u6355\u83b7\u8be5\u5f02\u5e38\u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002\u901a\u5e38\u5728\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u8fd9\u79cd\u65b9\u6cd5\u6765\u63d0\u4f9b\u4e00\u79cd\u4f18\u96c5\u7684\u7ec8\u6b62\u65b9\u5f0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import time<\/p>\n<p>try:<\/p>\n<p>    while True:<\/p>\n<p>        print(&quot;\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c...&quot;)<\/p>\n<p>        time.sleep(1)<\/p>\n<p>except KeyboardInterrupt:<\/p>\n<p>    print(&quot;\u7a0b\u5e8f\u88ab\u7528\u6237\u7ec8\u6b62&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u7a0b\u5e8f\u4f1a\u4e0d\u65ad\u8f93\u51fa\u201c\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c&#8230;\u201d\u7684\u6d88\u606f\uff0c\u5e76\u6bcf\u9694\u4e00\u79d2\u949f\u6682\u505c\u4e00\u6b21\u3002\u5f53\u7528\u6237\u6309\u4e0bCtrl+C\u65f6\uff0c\u4f1a\u5f15\u53d1KeyboardInterrupt\u5f02\u5e38\uff0c\u7a0b\u5e8f\u4f1a\u6355\u83b7\u8be5\u5f02\u5e38\uff0c\u5e76\u8f93\u51fa\u201c\u7a0b\u5e8f\u88ab\u7528\u6237\u7ec8\u6b62\u201d\u7684\u6d88\u606f\uff0c\u7136\u540e\u7ec8\u6b62\u6267\u884c\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001os._exit()\u51fd\u6570<\/h3>\n<\/p>\n<p><p>os._exit()\u51fd\u6570\u4f1a\u7acb\u5373\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u800c\u4e0d\u4f1a\u5f15\u53d1\u4efb\u4f55\u5f02\u5e38\u6216\u6267\u884c\u4efb\u4f55\u6e05\u7406\u5de5\u4f5c\u3002\u5b83\u901a\u5e38\u7528\u4e8e\u5728\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u7a0b\u5e8f\u4e2d\u7acb\u5373\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import os<\/p>\n<p>def main():<\/p>\n<p>    print(&quot;\u7a0b\u5e8f\u5f00\u59cb\u8fd0\u884c&quot;)<\/p>\n<p>    # \u5728\u9700\u8981\u7acb\u5373\u7ec8\u6b62\u7a0b\u5e8f\u7684\u5730\u65b9\u8c03\u7528os._exit()<\/p>\n<p>    os._exit(0)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u7a0b\u5e8f\u5728\u8c03\u7528os._exit()\u51fd\u6570\u540e\u4f1a\u7acb\u5373\u7ec8\u6b62\uff0c\u5e76\u4e14\u4e0d\u4f1a\u8f93\u51fa\u4efb\u4f55\u6d88\u606f\u6216\u6267\u884c\u4efb\u4f55\u6e05\u7406\u5de5\u4f5c\u3002os._exit()\u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u4f5c\u4e3a\u53c2\u6570\uff0c\u8868\u793a\u9000\u51fa\u72b6\u6001\u7801\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u901a\u8fc7\u4fe1\u53f7\u5904\u7406<\/h3>\n<\/p>\n<p><p>\u5728Unix\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4fe1\u53f7\u5904\u7406\u6765\u6355\u83b7\u7279\u5b9a\u7684\u4fe1\u53f7\uff0c\u5e76\u6267\u884c\u76f8\u5e94\u7684\u5904\u7406\u903b\u8f91\u3002\u5e38\u89c1\u7684\u4fe1\u53f7\u5305\u62ecSIGINT\uff08\u7531Ctrl+C\u89e6\u53d1\uff09\u3001SIGTERM\uff08\u7ec8\u6b62\u4fe1\u53f7\uff09\u7b49\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import signal<\/p>\n<p>import time<\/p>\n<p>def signal_handler(signum, frame):<\/p>\n<p>    print(&quot;\u6536\u5230\u4fe1\u53f7\uff1a&quot;, signum)<\/p>\n<p>    exit(0)<\/p>\n<h2><strong>\u6ce8\u518c\u4fe1\u53f7\u5904\u7406\u51fd\u6570<\/strong><\/h2>\n<p>signal.signal(signal.SIGINT, signal_handler)<\/p>\n<p>signal.signal(signal.SIGTERM, signal_handler)<\/p>\n<p>while True:<\/p>\n<p>    print(&quot;\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c...&quot;)<\/p>\n<p>    time.sleep(1)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u4fe1\u53f7\u5904\u7406\u51fd\u6570signal_handler\uff0c\u5e76\u5c06\u5176\u6ce8\u518c\u4e3aSIGINT\u548cSIGTERM\u4fe1\u53f7\u7684\u5904\u7406\u51fd\u6570\u3002\u5f53\u7a0b\u5e8f\u6536\u5230\u8fd9\u4e9b\u4fe1\u53f7\u65f6\uff0c\u4f1a\u8c03\u7528signal_handler\u51fd\u6570\u5e76\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u4e2d\u7684\u7ec8\u6b62<\/h3>\n<\/p>\n<p><p>\u5728\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\uff0c\u7ec8\u6b62\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u66f4\u52a0\u590d\u6742\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u5728\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<p><h4>1. \u591a\u7ebf\u7a0b\u4e2d\u7684\u7ec8\u6b62<\/h4>\n<\/p>\n<p><p>\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u7ebf\u7a0b\u5bf9\u8c61\u7684<code>_stop()<\/code>\u65b9\u6cd5\u6765\u7ec8\u6b62\u7ebf\u7a0b\u3002\u7136\u800c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u63a8\u8350\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u662f\u79c1\u6709\u65b9\u6cd5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8d44\u6e90\u6cc4\u6f0f\u6216\u5176\u4ed6\u95ee\u9898\u3002\u66f4\u5e38\u89c1\u7684\u505a\u6cd5\u662f\u4f7f\u7528\u7ebf\u7a0b\u95f4\u7684\u901a\u4fe1\u673a\u5236\uff0c\u4f8b\u5982\u4e8b\u4ef6\uff08Event\uff09\u5bf9\u8c61\uff0c\u6765\u901a\u77e5\u7ebf\u7a0b\u7ec8\u6b62\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import threading<\/p>\n<p>import time<\/p>\n<p>def worker(stop_event):<\/p>\n<p>    while not stop_event.is_set():<\/p>\n<p>        print(&quot;\u7ebf\u7a0b\u6b63\u5728\u8fd0\u884c...&quot;)<\/p>\n<p>        time.sleep(1)<\/p>\n<p>    print(&quot;\u7ebf\u7a0b\u7ec8\u6b62&quot;)<\/p>\n<p>stop_event = threading.Event()<\/p>\n<p>thread = threading.Thread(target=worker, args=(stop_event,))<\/p>\n<p>thread.start()<\/p>\n<h2><strong>\u4e3b\u7ebf\u7a0b\u7b49\u5f855\u79d2\u949f\uff0c\u7136\u540e\u901a\u77e5\u5de5\u4f5c\u7ebf\u7a0b\u7ec8\u6b62<\/strong><\/h2>\n<p>time.sleep(5)<\/p>\n<p>stop_event.set()<\/p>\n<p>thread.join()<\/p>\n<p>print(&quot;\u7a0b\u5e8f\u7ec8\u6b62&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u4e8b\u4ef6\u5bf9\u8c61<code>stop_event<\/code>\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u5de5\u4f5c\u7ebf\u7a0b\u3002\u5728\u5de5\u4f5c\u7ebf\u7a0b\u4e2d\uff0c\u4f1a\u4e0d\u65ad\u68c0\u67e5<code>stop_event<\/code>\u662f\u5426\u88ab\u8bbe\u7f6e\u3002\u5982\u679c<code>stop_event<\/code>\u88ab\u8bbe\u7f6e\uff0c\u5de5\u4f5c\u7ebf\u7a0b\u4f1a\u7ec8\u6b62\u8fd0\u884c\u3002\u4e3b\u7ebf\u7a0b\u7b49\u5f855\u79d2\u949f\u540e\uff0c\u8bbe\u7f6e<code>stop_event<\/code>\uff0c\u5e76\u7b49\u5f85\u5de5\u4f5c\u7ebf\u7a0b\u7ec8\u6b62\u3002<\/p>\n<\/p>\n<p><h4>2. \u591a\u8fdb\u7a0b\u4e2d\u7684\u7ec8\u6b62<\/h4>\n<\/p>\n<p><p>\u5728\u591a\u8fdb\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fdb\u7a0b\u5bf9\u8c61\u7684<code>terminate()<\/code>\u65b9\u6cd5\u6765\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import multiprocessing<\/p>\n<p>import time<\/p>\n<p>def worker():<\/p>\n<p>    while True:<\/p>\n<p>        print(&quot;\u8fdb\u7a0b\u6b63\u5728\u8fd0\u884c...&quot;)<\/p>\n<p>        time.sleep(1)<\/p>\n<p>process = multiprocessing.Process(target=worker)<\/p>\n<p>process.start()<\/p>\n<h2><strong>\u4e3b\u8fdb\u7a0b\u7b49\u5f855\u79d2\u949f\uff0c\u7136\u540e\u7ec8\u6b62\u5de5\u4f5c\u8fdb\u7a0b<\/strong><\/h2>\n<p>time.sleep(5)<\/p>\n<p>process.terminate()<\/p>\n<p>process.join()<\/p>\n<p>print(&quot;\u7a0b\u5e8f\u7ec8\u6b62&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\uff0c\u5e76\u5728\u4e3b\u8fdb\u7a0b\u4e2d\u7b49\u5f855\u79d2\u949f\u540e\uff0c\u8c03\u7528<code>terminate()<\/code>\u65b9\u6cd5\u7ec8\u6b62\u5de5\u4f5c\u8fdb\u7a0b\u3002\u968f\u540e\uff0c\u4e3b\u8fdb\u7a0b\u7b49\u5f85\u5de5\u4f5c\u8fdb\u7a0b\u7ec8\u6b62\uff0c\u5e76\u8f93\u51fa\u201c\u7a0b\u5e8f\u7ec8\u6b62\u201d\u7684\u6d88\u606f\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u7ec8\u6b62\u7a0b\u5e8f<\/h3>\n<\/p>\n<p><p>\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u96c5\u7684\u65b9\u5f0f\u6765\u7ba1\u7406\u8d44\u6e90\u548c\u63a7\u5236\u7a0b\u5e8f\u7684\u6267\u884c\u6d41\u7a0b\u3002\u901a\u8fc7\u5b9e\u73b0\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u53ef\u4ee5\u5728\u7a0b\u5e8f\u7ec8\u6b62\u65f6\u81ea\u52a8\u6267\u884c\u6e05\u7406\u5de5\u4f5c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">class MyContextManager:<\/p>\n<p>    def __enter__(self):<\/p>\n<p>        print(&quot;\u8fdb\u5165\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668&quot;)<\/p>\n<p>        return self<\/p>\n<p>    def __exit__(self, exc_type, exc_value, traceback):<\/p>\n<p>        print(&quot;\u9000\u51fa\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668&quot;)<\/p>\n<p>def main():<\/p>\n<p>    with MyContextManager():<\/p>\n<p>        print(&quot;\u7a0b\u5e8f\u6b63\u5728\u8fd0\u884c&quot;)<\/p>\n<p>        # \u5728\u9700\u8981\u7ec8\u6b62\u7a0b\u5e8f\u7684\u5730\u65b9\u629b\u51fa\u5f02\u5e38<\/p>\n<p>        raise SystemExit(&quot;\u7a0b\u5e8f\u7ec8\u6b62&quot;)<\/p>\n<p>if __name__ == &quot;__main__&quot;:<\/p>\n<p>    main()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<code>MyContextManager<\/code>\uff0c\u5e76\u5728<code>__enter__<\/code>\u548c<code>__exit__<\/code>\u65b9\u6cd5\u4e2d\u8f93\u51fa\u6d88\u606f\u3002\u5728\u4e3b\u51fd\u6570<code>main<\/code>\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u6765\u8fdb\u5165\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u5e76\u5728\u9700\u8981\u7ec8\u6b62\u7a0b\u5e8f\u7684\u5730\u65b9\u629b\u51fa<code>SystemExit<\/code>\u5f02\u5e38\u3002\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4f1a\u5728\u7a0b\u5e8f\u7ec8\u6b62\u65f6\u81ea\u52a8\u6267\u884c\u6e05\u7406\u5de5\u4f5c\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5728Python\u4e2d\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528sys.exit()\u51fd\u6570\u3001\u6355\u83b7KeyboardInterrupt\u5f02\u5e38\u3001\u4f7f\u7528os._exit()\u51fd\u6570\u3001\u901a\u8fc7\u4fe1\u53f7\u5904\u7406\u3001\u5728\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u7ec8\u6b62\u7a0b\u5e8f\u3001\u4ee5\u53ca\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u7f3a\u70b9\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<p><p><strong>\u603b\u4e4b\uff0c\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\u662fPython\u7f16\u7a0b\u4e2d\u7684\u4e00\u4e2a\u5e38\u89c1\u9700\u6c42\uff0c\u4e86\u89e3\u5404\u79cd\u7ec8\u6b62\u65b9\u6cd5\u53ca\u5176\u9002\u7528\u573a\u666f\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7f16\u5199\u51fa\u66f4\u52a0\u5065\u58ee\u548c\u7a33\u5b9a\u7684\u4ee3\u7801\u3002<\/strong><\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u5b89\u5168\u5730\u7ec8\u6b62\u4e00\u4e2a\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u5f0f\u5b89\u5168\u5730\u7ec8\u6b62\u7a0b\u5e8f\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>KeyboardInterrupt<\/code>\uff0c\u901a\u8fc7\u6309 <code>Ctrl+C<\/code> \u53ef\u4ee5\u4e2d\u65ad\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u3002\u6b64\u5916\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u8bbe\u7f6e\u6761\u4ef6\u6765\u68c0\u67e5\u662f\u5426\u9700\u8981\u9000\u51fa\uff0c\u4f8b\u5982\u4f7f\u7528 <code>try...except<\/code> \u5757\u6765\u6355\u83b7\u5f02\u5e38\u5e76\u8fdb\u884c\u76f8\u5e94\u7684\u5904\u7406\u3002<\/p>\n<p><strong>\u5982\u679c\u6211\u7684Python\u7a0b\u5e8f\u6ca1\u6709\u54cd\u5e94\uff0c\u8be5\u5982\u4f55\u5f3a\u5236\u7ec8\u6b62\u5b83\uff1f<\/strong><br \/>\u5982\u679c\u7a0b\u5e8f\u6ca1\u6709\u54cd\u5e94\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4efb\u52a1\u7ba1\u7406\u5668\uff08\u5728Windows\u4e2d\uff09\u6216\u6d3b\u52a8\u76d1\u89c6\u5668\uff08\u5728Mac\u4e2d\uff09\u627e\u5230Python\u8fdb\u7a0b\u5e76\u624b\u52a8\u7ed3\u675f\u5b83\u3002\u5728\u547d\u4ee4\u884c\u4e2d\uff0c\u4f7f\u7528 <code>kill<\/code> \u547d\u4ee4\uff08\u5728Unix\/Linux\u7cfb\u7edf\u4e2d\uff09\u4e5f\u53ef\u4ee5\u5f3a\u5236\u7ec8\u6b62\u6307\u5b9a\u7684\u8fdb\u7a0b\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f3a\u5236\u7ec8\u6b62\u53ef\u80fd\u5bfc\u81f4\u672a\u4fdd\u5b58\u7684\u6570\u636e\u4e22\u5931\u3002<\/p>\n<p><strong>\u5728\u7f16\u5199Python\u7a0b\u5e8f\u65f6\uff0c\u6709\u54ea\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u7a0b\u5e8f\u957f\u65f6\u95f4\u8fd0\u884c\uff1f<\/strong><br \/>\u4e3a\u4e86\u907f\u514d\u7a0b\u5e8f\u957f\u65f6\u95f4\u8fd0\u884c\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65\u7f16\u7a0b\u6765\u5904\u7406\u8017\u65f6\u7684\u4efb\u52a1\u3002\u6b64\u5916\uff0c\u5b9a\u671f\u68c0\u67e5\u4efb\u52a1\u7684\u8fdb\u5ea6\u6216\u8bbe\u7f6e\u8d85\u65f6\u673a\u5236\u4e5f\u662f\u6709\u6548\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u5f0f\uff0c\u53ef\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u5728\u5408\u7406\u7684\u65f6\u95f4\u5185\u5b8c\u6210\uff0c\u6216\u5728\u5fc5\u8981\u65f6\u80fd\u591f\u4f18\u96c5\u5730\u7ec8\u6b62\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u7ec8\u6b62\u8fd0\u884c\u4e2d\u7684\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u4f8b\u5982\uff1a\u4f7f\u7528sys.exit()\u51fd\u6570\u3001\u6355\u83b7KeyboardI [&hellip;]","protected":false},"author":3,"featured_media":1039864,"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\/1039858"}],"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=1039858"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1039858\/revisions"}],"predecessor-version":[{"id":1039865,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1039858\/revisions\/1039865"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1039864"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1039858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1039858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1039858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}