{"id":1075970,"date":"2025-01-08T11:49:08","date_gmt":"2025-01-08T03:49:08","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1075970.html"},"modified":"2025-01-08T11:49:11","modified_gmt":"2025-01-08T03:49:11","slug":"python%e5%a6%82%e4%bd%95%e8%ae%a9%e7%a8%8b%e5%ba%8f%e5%81%9c%e6%ad%a2%e8%bf%90%e8%a1%8c%e7%a8%8b%e5%ba%8f-3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1075970.html","title":{"rendered":"python\u5982\u4f55\u8ba9\u7a0b\u5e8f\u505c\u6b62\u8fd0\u884c\u7a0b\u5e8f"},"content":{"rendered":"

\"python\u5982\u4f55\u8ba9\u7a0b\u5e8f\u505c\u6b62\u8fd0\u884c\u7a0b\u5e8f\"<\/p>\n

\u4f7f\u7528sys.exit()<\/code>\u3001\u4f7f\u7528os._exit()<\/code>\u3001\u4f7f\u7528rAI<\/a>se SystemExit<\/code>\u3001\u4f7f\u7528KeyboardInterrupt<\/code><\/strong>\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0csys.exit()<\/code> \u662f\u6700\u5e38\u7528\u548c\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u5b89\u5168\u5730\u9000\u51fa\u7a0b\u5e8f\u5e76\u4e14\u53ef\u4ee5\u5728\u9000\u51fa\u65f6\u6267\u884c\u6e05\u7406\u64cd\u4f5c\u3002\u4e0b\u9762\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528 sys.exit()<\/code><\/h3>\n<\/p>\n

sys.exit()<\/code> \u662f Python \u63d0\u4f9b\u7684\u4e00\u4e2a\u5185\u7f6e\u51fd\u6570\uff0c\u7528\u4e8e\u9000\u51fa\u7a0b\u5e8f\u3002\u5b83\u6765\u81ea sys<\/code> \u6a21\u5757\uff0c\u6240\u4ee5\u5728\u4f7f\u7528\u4e4b\u524d\u9700\u8981\u5148\u5bfc\u5165\u8be5\u6a21\u5757\u3002<\/p>\n<\/p>\n

import sys<\/p>\n
def main():<\/p>\n
    print("Program is running...")<\/p>\n
    sys.exit()  # \u9000\u51fa\u7a0b\u5e8f<\/p>\n
    print("This will not be printed.")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
sys.exit()<\/strong> \u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u53ef\u9009\u7684\u53c2\u6570\uff0c\u7528\u4e8e\u6307\u5b9a\u9000\u51fa\u72b6\u6001\u7801\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u72b6\u6001\u7801\u4e3a 0\uff0c\u8868\u793a\u6b63\u5e38\u9000\u51fa\uff1b\u5982\u679c\u4f20\u9012\u975e\u96f6\u503c\uff0c\u5219\u8868\u793a\u5f02\u5e38\u9000\u51fa\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
sys.exit(0)  # \u6b63\u5e38\u9000\u51fa<\/p>\n
sys.exit(1)  # \u5f02\u5e38\u9000\u51fa<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528 os._exit()<\/code><\/h3>\n<\/p>\n
os._exit()<\/code> \u662f\u4e00\u4e2a\u66f4\u4f4e\u7ea7\u522b\u7684\u9000\u51fa\u65b9\u6cd5\uff0c\u5b83\u76f4\u63a5\u7ec8\u6b62\u8fdb\u7a0b\uff0c\u4e0d\u4f1a\u629b\u51fa\u5f02\u5e38\uff0c\u4e5f\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u6e05\u7406\u64cd\u4f5c\u3002\u5b83\u6765\u81ea os<\/code> \u6a21\u5757\uff0c\u6240\u4ee5\u5728\u4f7f\u7528\u4e4b\u524d\u9700\u8981\u5148\u5bfc\u5165\u8be5\u6a21\u5757\u3002<\/p>\n<\/p>\n
import os<\/p>\n
def main():<\/p>\n
    print("Program is running...")<\/p>\n
    os._exit(0)  # \u76f4\u63a5\u7ec8\u6b62\u8fdb\u7a0b<\/p>\n
    print("This will not be printed.")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
os._exit()<\/strong> \u540c\u6837\u63a5\u53d7\u4e00\u4e2a\u72b6\u6001\u7801\u53c2\u6570\uff0c\u4f46\u4e0e sys.exit()<\/code> \u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4e0d\u4f1a\u8fdb\u884c\u4efb\u4f55\u6e05\u7406\u64cd\u4f5c\uff0c\u4f8b\u5982\u672a\u5b8c\u6210\u7684 I\/O \u64cd\u4f5c\u3001\u672a\u5173\u95ed\u7684\u6587\u4ef6\u7b49\u3002\u56e0\u6b64\uff0c\u9664\u975e\u5728\u7279\u6b8a\u60c5\u51b5\u4e0b\uff0c\u5426\u5219\u4e0d\u63a8\u8350\u4f7f\u7528 os._exit()<\/code>\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528 raise SystemExit<\/code><\/h3>\n<\/p>\n
raise SystemExit<\/code> \u662f\u53e6\u4e00\u79cd\u9000\u51fa\u7a0b\u5e8f\u7684\u65b9\u6cd5\uff0c\u5b83\u5b9e\u9645\u4e0a\u662f sys.exit()<\/code> \u7684\u5b9e\u73b0\u65b9\u5f0f\u3002\u901a\u8fc7\u629b\u51fa SystemExit<\/code> \u5f02\u5e38\uff0c\u6211\u4eec\u53ef\u4ee5\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
def main():<\/p>\n
    print("Program is running...")<\/p>\n
    raise SystemExit  # \u629b\u51fa SystemExit \u5f02\u5e38<\/p>\n
    print("This will not be printed.")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
raise SystemExit<\/strong> \u8fd8\u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u53c2\u6570\uff0c\u7c7b\u4f3c\u4e8e sys.exit()<\/code>\uff0c\u7528\u4e8e\u6307\u5b9a\u9000\u51fa\u72b6\u6001\u7801\u3002<\/p>\n<\/p>\n
raise SystemExit(0)  # \u6b63\u5e38\u9000\u51fa<\/p>\n
raise SystemExit(1)  # \u5f02\u5e38\u9000\u51fa<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u4f7f\u7528 KeyboardInterrupt<\/code><\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u6a21\u62df\u7528\u6237\u6309\u4e0b Ctrl+C \u6765\u7ec8\u6b62\u7a0b\u5e8f\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u629b\u51fa KeyboardInterrupt<\/code> \u5f02\u5e38\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
def main():<\/p>\n
    print("Program is running...")<\/p>\n
    raise KeyboardInterrupt  # \u6a21\u62df Ctrl+C<\/p>\n
    print("This will not be printed.")<\/p>\n
if __name__ == "__main__":<\/p>\n
    main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
KeyboardInterrupt<\/strong> \u5f02\u5e38\u901a\u5e38\u7528\u4e8e\u5904\u7406\u7528\u6237\u4e2d\u65ad\u64cd\u4f5c\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4e5f\u53ef\u4ee5\u7528\u4e8e\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5728 GUI \u5e94\u7528\u7a0b\u5e8f\u4e2d\u9000\u51fa<\/h3>\n<\/p>\n
\u5728\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08GUI\uff09\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u9000\u51fa\u7a0b\u5e8f\u7684\u65b9\u6cd5\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1 GUI \u5e93\u4e2d\u7684\u9000\u51fa\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
1\u3001Tkinter<\/h4>\n<\/p>\n
\u5728 Tkinter \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 destroy()<\/code> \u65b9\u6cd5\u6765\u5173\u95ed\u7a97\u53e3\u5e76\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
import tkinter as tk<\/p>\n
def on_closing():<\/p>\n
    root.destroy()  # \u5173\u95ed\u7a97\u53e3\u5e76\u9000\u51fa\u7a0b\u5e8f<\/p>\n
root = tk.Tk()<\/p>\n
root.protocol("WM_DELETE_WINDOW", on_closing)<\/p>\n
root.mainloop()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001PyQt<\/h4>\n<\/p>\n
\u5728 PyQt \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 sys.exit()<\/code> \u548c QApplication.quit()<\/code> \u65b9\u6cd5\u6765\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
import sys<\/p>\n
from PyQt5.QtWidgets import QApplication, QMainWindow<\/p>\n
app = QApplication(sys.argv)<\/p>\n
window = QMainWindow()<\/p>\n
window.show()<\/p>\n
sys.exit(app.exec_())  # \u9000\u51fa\u7a0b\u5e8f<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6216\u8005<\/p>\n<\/p>\n
import sys<\/p>\n
from PyQt5.QtWidgets import QApplication, QMainWindow<\/p>\n
app = QApplication(sys.argv)<\/p>\n
window = QMainWindow()<\/p>\n
window.show()<\/p>\n
app.quit()  # \u9000\u51fa\u7a0b\u5e8f<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001wxPython<\/h4>\n<\/p>\n
\u5728 wxPython \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 wx.Exit()<\/code> \u65b9\u6cd5\u6765\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
import wx<\/p>\n
app = wx.App(False)<\/p>\n
frame = wx.Frame(None, wx.ID_ANY, "Hello World")<\/p>\n
frame.Show(True)<\/p>\n
app.MainLoop()<\/p>\n
wx.Exit()  # \u9000\u51fa\u7a0b\u5e8f<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\u9000\u51fa<\/h3>\n<\/p>\n
\u5728\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u9000\u51fa\u7a0b\u5e8f\u7684\u65b9\u6cd5\u53ef\u80fd\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u591a\u7ebf\u7a0b\u5e93\u4e2d\u7684\u9000\u51fa\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528 threading<\/code> \u6a21\u5757<\/h4>\n<\/p>\n
\u5728\u4f7f\u7528 threading<\/code> \u6a21\u5757\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 sys.exit()<\/code> \u65b9\u6cd5\u6765\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
import threading<\/p>\n
import sys<\/p>\n
def worker():<\/p>\n
    print("Worker thread is running...")<\/p>\n
    sys.exit()  # \u9000\u51fa\u7a0b\u5e8f<\/p>\n
thread = threading.Thread(target=worker)<\/p>\n
thread.start()<\/p>\n
thread.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u4f7f\u7528 multiprocessing<\/code> \u6a21\u5757<\/h4>\n<\/p>\n
\u5728\u4f7f\u7528 multiprocessing<\/code> \u6a21\u5757\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 sys.exit()<\/code> \u65b9\u6cd5\u6765\u9000\u51fa\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
import multiprocessing<\/p>\n
import sys<\/p>\n
def worker():<\/p>\n
    print("Worker process is running...")<\/p>\n
    sys.exit()  # \u9000\u51fa\u7a0b\u5e8f<\/p>\n
process = multiprocessing.Process(target=worker)<\/p>\n
process.start()<\/p>\n
process.join()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728 Python \u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u8ba9\u7a0b\u5e8f\u505c\u6b62\u8fd0\u884c\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u5305\u62ec sys.exit()<\/code>\u3001os._exit()<\/code>\u3001raise SystemExit<\/code> \u548c KeyboardInterrupt<\/code>\u3002\u5728 GUI \u548c\u591a\u7ebf\u7a0b\u7a0b\u5e8f\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u9000\u51fa\u65b9\u6cd5\u3002\u5728\u9009\u62e9\u9000\u51fa\u65b9\u6cd5\u65f6\uff0c\u5e94\u8003\u8651\u5230\u7a0b\u5e8f\u7684\u5177\u4f53\u9700\u6c42\u548c\u4e0a\u4e0b\u6587\uff0c\u4ee5\u786e\u4fdd\u7a0b\u5e8f\u80fd\u591f\u5b89\u5168\u3001\u6b63\u786e\u5730\u9000\u51fa\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u4f18\u96c5\u5730\u505c\u6b62\u7a0b\u5e8f\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sys.exit()<\/code>\u65b9\u6cd5\u6765\u4f18\u96c5\u5730\u505c\u6b62\u7a0b\u5e8f\u3002\u901a\u8fc7\u5bfc\u5165sys<\/code>\u6a21\u5757\uff0c\u53ef\u4ee5\u5728\u4ee3\u7801\u7684\u4efb\u4f55\u4f4d\u7f6e\u8c03\u7528sys.exit()<\/code>\uff0c\u5e76\u4f20\u5165\u4e00\u4e2a\u53ef\u9009\u7684\u9000\u51fa\u72b6\u6001\u7801\uff0c\u4ee5\u6307\u793a\u7a0b\u5e8f\u7684\u9000\u51fa\u72b6\u6001\u3002\u6b64\u5916\uff0c\u4f7f\u7528raise SystemExit<\/code>\u4e5f\u53ef\u4ee5\u8fbe\u5230\u76f8\u540c\u7684\u6548\u679c\uff0c\u901a\u5e38\u5b83\u7528\u4e8e\u5728\u5f02\u5e38\u5904\u7406\u6d41\u7a0b\u4e2d\u7ec8\u6b62\u7a0b\u5e8f\u3002<\/p>\n
\u5982\u679c\u6211\u7684\u7a0b\u5e8f\u8fdb\u5165\u4e86\u65e0\u9650\u5faa\u73af\uff0c\u5982\u4f55\u5f3a\u5236\u505c\u6b62\u5b83\uff1f<\/strong>
\u5728\u8fd0\u884cPython\u7a0b\u5e8f\u65f6\uff0c\u5982\u679c\u9047\u5230\u65e0\u9650\u5faa\u73af\uff0c\u53ef\u4ee5\u4f7f\u7528\u952e\u76d8\u4e2d\u65ad\u6765\u5f3a\u5236\u505c\u6b62\u7a0b\u5e8f\u3002\u901a\u5e38\u5728Windows\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u6309Ctrl + C<\/code>\u6765\u4e2d\u65ad\u7a0b\u5e8f\u7684\u6267\u884c\u3002\u5728Linux\u6216Mac\u7cfb\u7edf\u4e2d\uff0c\u540c\u6837\u53ef\u4ee5\u4f7f\u7528Ctrl + C<\/code>\u3002\u8fd9\u6837\uff0cPython\u4f1a\u629b\u51fa\u4e00\u4e2aKeyboardInterrupt<\/code>\u5f02\u5e38\uff0c\u7a0b\u5e8f\u4f1a\u7acb\u5373\u505c\u6b62\u3002<\/p>\n
\u5982\u4f55\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u505c\u6b62Python\u7a0b\u5e8f\u7684\u8fd0\u884c\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u63a7\u5236\u7a0b\u5e8f\u7684\u505c\u6b62\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u6807\u5fd7\u53d8\u91cf\u6216\u8005\u6761\u4ef6\u5224\u65ad\uff0c\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u8c03\u7528sys.exit()<\/code>\u6216break<\/code>\u8bed\u53e5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528while<\/code>\u5faa\u73af\u7ed3\u5408if<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u8df3\u51fa\u5faa\u73af\u5e76\u505c\u6b62\u7a0b\u5e8f\u3002\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u7a0b\u5e8f\u63a7\u5236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528sys.exit()\u3001\u4f7f\u7528os._exit()\u3001\u4f7f\u7528rAIse SystemExit\u3001\u4f7f\u7528Keyboard […]","protected":false},"author":3,"featured_media":1075980,"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\/1075970"}],"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=1075970"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1075970\/revisions"}],"predecessor-version":[{"id":1075982,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1075970\/revisions\/1075982"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1075980"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1075970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1075970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1075970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}