import sys<\/p>\ndef main():<\/p>\n
print("\u5f00\u59cb\u7a0b\u5e8f")<\/p>\n
if some_condition:<\/p>\n
print("\u4e2d\u6b62\u7a0b\u5e8f")<\/p>\n
sys.exit(0) # 0\u8868\u793a\u7a0b\u5e8f\u6210\u529f\u9000\u51fa<\/p>\n
if __name__ == "__main__":<\/p>\n
main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0csys.exit(0)<\/code> \u88ab\u8c03\u7528\u65f6\uff0c\u7a0b\u5e8f\u5c06\u4f1a\u6b63\u5e38\u9000\u51fa\u3002sys.exit<\/code> \u53ef\u4ee5\u63a5\u53d7\u4e00\u4e2a\u6574\u6570\u53c2\u6570\uff0c\u8868\u793a\u9000\u51fa\u72b6\u6001\u7801\uff0c0 \u8868\u793a\u6b63\u5e38\u9000\u51fa\uff0c\u975e\u96f6\u8868\u793a\u5f02\u5e38\u9000\u51fa\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u4f7f\u7528 os._exit()<\/code><\/h3>\n<\/p>\nos._exit()<\/code> \u662f\u4e00\u4e2a\u66f4\u4f4e\u7ea7\u7684\u51fd\u6570\uff0c\u5b83\u4f1a\u7acb\u5373\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u800c\u4e0d\u5f15\u53d1 SystemExit<\/code> \u5f02\u5e38\uff0c\u56e0\u6b64\u4e0d\u4f1a\u6267\u884c\u4efb\u4f55\u6e05\u7406\u4ee3\u7801\u6216\u5f02\u5e38\u5904\u7406\u3002<\/p>\n<\/p>\nimport os<\/p>\ndef main():<\/p>\n
print("\u5f00\u59cb\u7a0b\u5e8f")<\/p>\n
if some_condition:<\/p>\n
print("\u4e2d\u6b62\u7a0b\u5e8f")<\/p>\n
os._exit(0)<\/p>\n
if __name__ == "__main__":<\/p>\n
main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528 raise SystemExit<\/code><\/h3>\n<\/p>\n\u76f4\u63a5\u5f15\u53d1 SystemExit<\/code> \u5f02\u5e38\u4e5f\u53ef\u4ee5\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u6548\u679c\u7c7b\u4f3c\u4e8e sys.exit()<\/code>\u3002<\/p>\n<\/p>\ndef main():<\/p>\n print("\u5f00\u59cb\u7a0b\u5e8f")<\/p>\n
if some_condition:<\/p>\n
print("\u4e2d\u6b62\u7a0b\u5e8f")<\/p>\n
raise SystemExit(0)<\/p>\n
if __name__ == "__main__":<\/p>\n
main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u6355\u83b7 KeyboardInterrupt<\/code><\/h3>\n<\/p>\n\u5728\u7528\u6237\u6309\u4e0b Ctrl+C \u65f6\uff0cPython \u4f1a\u5f15\u53d1 KeyboardInterrupt<\/code> \u5f02\u5e38\uff0c\u53ef\u4ee5\u6355\u83b7\u5e76\u5904\u7406\u8fd9\u4e2a\u5f02\u5e38\u6765\u4e2d\u6b62\u7a0b\u5e8f\u3002<\/p>\n<\/p>\ntry:<\/p>\n while True:<\/p>\n
# \u7a0b\u5e8f\u4e3b\u5faa\u73af<\/p>\n
pass<\/p>\n
except KeyboardInterrupt:<\/p>\n
print("\u7a0b\u5e8f\u88ab\u7528\u6237\u4e2d\u6b62")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528 quit()<\/code> \u6216 exit()<\/code><\/h3>\n<\/p>\n\u5728\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 quit()<\/code> \u6216 exit()<\/code> \u6765\u7ec8\u6b62\u7a0b\u5e8f\uff0c\u4f46\u5728\u811a\u672c\u4e2d\u4e0d\u63a8\u8350\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u4ec5\u5728\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\u6709\u6548\u3002<\/p>\n<\/p>\nprint("\u5f00\u59cb\u7a0b\u5e8f")<\/p>\nif some_condition:<\/p>\n
print("\u4e2d\u6b62\u7a0b\u5e8f")<\/p>\n
quit()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0 sys.exit()<\/code><\/h3>\n<\/p>\nsys.exit()<\/code> \u662f\u6807\u51c6\u5e93 sys<\/code> \u6a21\u5757\u4e2d\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u9000\u51faPython\u7a0b\u5e8f\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5f15\u53d1\u4e00\u4e2a SystemExit<\/code> \u5f02\u5e38\uff0c\u53ef\u4ee5\u88ab\u6355\u83b7\u548c\u5904\u7406\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\uff0c\u7a0b\u5e8f\u4e2d\u7684 try...finally<\/code> \u5757\u548c\u5176\u4ed6\u6e05\u7406\u4ee3\u7801\u4ecd\u7136\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<\/p>\n\u793a\u4f8b\uff1a<\/h4>\n<\/p>\n
import sys<\/p>\ndef cleanup():<\/p>\n
print("\u6267\u884c\u6e05\u7406\u5de5\u4f5c")<\/p>\n
def main():<\/p>\n
try:<\/p>\n
print("\u5f00\u59cb\u7a0b\u5e8f")<\/p>\n
if some_condition:<\/p>\n
print("\u4e2d\u6b62\u7a0b\u5e8f")<\/p>\n
sys.exit(0)<\/p>\n
finally:<\/p>\n
cleanup()<\/p>\n
if __name__ == "__main__":<\/p>\n
main()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u65e0\u8bba\u7a0b\u5e8f\u662f\u6b63\u5e38\u9000\u51fa\u8fd8\u662f\u901a\u8fc7 sys.exit()<\/code> \u9000\u51fa\uff0cfinally<\/code> \u5757\u4e2d\u7684 cleanup()<\/code> \u51fd\u6570\u90fd\u4f1a\u88ab\u6267\u884c\uff0c\u8fd9\u786e\u4fdd\u4e86\u6240\u6709\u6e05\u7406\u64cd\u4f5c\u80fd\u591f\u6b63\u786e\u5b8c\u6210\u3002<\/p>\n<\/p>\n\u4f7f\u7528 sys.exit()<\/code> \u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n\n- \u5f02\u5e38\u5904\u7406<\/strong>\uff1a\u5982\u679c\u4f60\u5728\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u4e86
try...except<\/code> \u5757\uff0c\u786e\u4fdd\u6b63\u786e\u5904\u7406 SystemExit<\/code> \u5f02\u5e38\uff0c\u907f\u514d\u7a0b\u5e8f\u610f\u5916\u4e2d\u6b62\u3002<\/li>\n- \u9000\u51fa\u4ee3\u7801<\/strong>\uff1a\u4f20\u9012\u7ed9
sys.exit()<\/code> \u7684\u53c2\u6570\u8868\u793a\u9000\u51fa\u4ee3\u7801\uff0c0\u8868\u793a\u6210\u529f\uff0c\u975e\u96f6\u8868\u793a\u5931\u8d25\u3002\u5408\u7406\u4f7f\u7528\u9000\u51fa\u4ee3\u7801\u53ef\u4ee5\u5e2e\u52a9\u8c03\u8bd5\u548c\u8bca\u65ad\u95ee\u9898\u3002<\/li>\n- \u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668<\/strong>\uff1a\u5728\u4ea4\u4e92\u5f0f\u89e3\u91ca\u5668\u4e2d\u4f7f\u7528
sys.exit()<\/code> \u4f1a\u76f4\u63a5\u9000\u51fa\u89e3\u91ca\u5668\uff0c\u53ef\u4ee5\u7528\u4e8e\u6d4b\u8bd5\u548c\u8c03\u8bd5\u3002<\/li>\n<\/ol>\n\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728Python\u4e2d\u4e2d\u6b62\u7a0b\u5e8f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u4f7f\u7528\u573a\u666f\u3002sys.exit()<\/code> \u662f\u6700\u5e38\u7528\u548c\u63a8\u8350\u7684\u65b9\u6cd5<\/strong>\uff0c\u56e0\u4e3a\u5b83\u5f15\u53d1 SystemExit<\/code> \u5f02\u5e38\uff0c\u53ef\u4ee5\u88ab\u6355\u83b7\u548c\u5904\u7406\uff0c\u786e\u4fdd\u6240\u6709\u6e05\u7406\u4ee3\u7801\u548c\u5f02\u5e38\u5904\u7406\u90fd\u80fd\u6b63\u786e\u6267\u884c\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u5176\u4ed6\u65b9\u6cd5\u5982 os._exit()<\/code>\u3001raise SystemExit<\/code>\u3001KeyboardInterrupt<\/code> \u7b49\uff0c\u4e5f\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u66f4\u7075\u6d3b\u5730\u4e2d\u6b62\u7a0b\u5e8f\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>
\u53ef\u4ee5\u4f7f\u7528sys.exit()<\/code>\u6765\u5b89\u5168\u5730\u7ec8\u6b62\u7a0b\u5e8f\u3002\u9996\u5148\u9700\u8981\u5bfc\u5165sys<\/code>\u6a21\u5757\u3002\u5728\u7a0b\u5e8f\u7684\u4efb\u4f55\u5730\u65b9\u8c03\u7528sys.exit()<\/code>\uff0c\u53ef\u4ee5\u505c\u6b62\u7a0b\u5e8f\u7684\u6267\u884c\u3002\u4f60\u8fd8\u53ef\u4ee5\u4f20\u5165\u4e00\u4e2a\u6574\u6570\u72b6\u6001\u7801\uff0c\u901a\u5e380\u8868\u793a\u6b63\u5e38\u9000\u51fa\uff0c\u5176\u4ed6\u6570\u5b57\u8868\u793a\u5f02\u5e38\u9000\u51fa\u3002<\/p>\n\u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u7a0b\u5e8f\u5f02\u5e38\u5e76\u4f18\u96c5\u5730\u9000\u51fa\uff1f<\/strong>
\u4f7f\u7528try...except<\/code>\u8bed\u53e5\u53ef\u4ee5\u6355\u6349\u5230\u7a0b\u5e8f\u4e2d\u7684\u5f02\u5e38\u5e76\u5904\u7406\u5b83\u3002\u5728except<\/code>\u5757\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sys.exit()<\/code>\u6765\u4f18\u96c5\u5730\u9000\u51fa\u7a0b\u5e8f\uff0c\u786e\u4fdd\u5728\u53d1\u751f\u9519\u8bef\u65f6\u80fd\u591f\u91ca\u653e\u8d44\u6e90\u6216\u6253\u5370\u65e5\u5fd7\u4fe1\u606f\u3002<\/p>\n\u5982\u4f55\u5728Python\u811a\u672c\u4e2d\u4f7f\u7528\u4fe1\u53f7\u5904\u7406\u6765\u4e2d\u6b62\u7a0b\u5e8f\uff1f<\/strong>
\u901a\u8fc7signal<\/code>\u6a21\u5757\u53ef\u4ee5\u8bbe\u7f6e\u5904\u7406\u7a0b\u5e8f\uff0c\u4ee5\u54cd\u5e94\u7279\u5b9a\u7684\u4fe1\u53f7\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528signal.signal(signal.SIGINT, handler_function)<\/code>\u6765\u5b9a\u4e49\u4e00\u4e2a\u5904\u7406\u51fd\u6570\uff0c\u5728\u63a5\u6536\u5230\u4e2d\u65ad\u4fe1\u53f7\u65f6\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u5e76\u7ec8\u6b62\u7a0b\u5e8f\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u5408\u9700\u8981\u5728\u7ec8\u6b62\u65f6\u505a\u4e00\u4e9b\u6e05\u7406\u5de5\u4f5c\u7684\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u4e2d\u6b62\u7a0b\u5e8f\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5e38\u89c1\u7684\u6709\u4f7f\u7528sys.exit()\u3001os._exit()\u3001rAIse Sy […]","protected":false},"author":3,"featured_media":1169501,"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\/1169493"}],"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=1169493"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1169493\/revisions"}],"predecessor-version":[{"id":1169502,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1169493\/revisions\/1169502"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1169501"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1169493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1169493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1169493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"\u5728python\u4e2d\u5982\u4f55\u4e2d\u6b62\u7a0b\u5e8f\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26070445\/4e47e547-e8e6-41ac-87c3-0afc86756a17.webp\")
<\/p>\n