{"id":1117151,"date":"2025-01-08T18:23:19","date_gmt":"2025-01-08T10:23:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1117151.html"},"modified":"2025-01-08T18:23:22","modified_gmt":"2025-01-08T10:23:22","slug":"python%e5%a6%82%e4%bd%95%e5%90%8c%e6%97%b6%e8%bf%90%e8%a1%8c%e4%b8%a4%e4%b8%aa%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1117151.html","title":{"rendered":"python\u5982\u4f55\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u4ee3\u7801"},"content":{"rendered":"

\"python\u5982\u4f55\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u4ee3\u7801\"<\/p>\n

\u4f7f\u7528\u591a\u7ebf\u7a0b\u3001\u4f7f\u7528\u591a\u8fdb\u7a0b\u3001\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b<\/strong>\u3002\u4f7f\u7528\u591a\u7ebf\u7a0b\u53ef\u4ee5\u5728\u5355\u4e2a\u8fdb\u7a0b\u5185\u5e76\u53d1\u6267\u884c\u4ee3\u7801\uff0c\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff1b\u4f7f\u7528\u591a\u8fdb\u7a0b\u53ef\u4ee5\u5728\u591a\u4e2a\u8fdb\u7a0b\u4e2d\u8fd0\u884c\u4ee3\u7801\uff0c\u9002\u7528\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff1b\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b\u53ef\u4ee5\u4f7f\u7a0b\u5e8f\u5728\u7b49\u5f85I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002\u4e0b\u9762\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u4f7f\u7528\u591a\u7ebf\u7a0b\u6765\u5b9e\u73b0\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u4ee3\u7801\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u591a\u7ebf\u7a0b<\/h3>\n<\/p>\n

1\u3001\u591a\u7ebf\u7a0b\u7684\u6982\u5ff5<\/h4>\n<\/p>\n

\u591a\u7ebf\u7a0b\u662f\u4e00\u79cd\u5e76\u53d1\u6267\u884c\u4ee3\u7801\u7684\u6280\u672f\uff0c\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5982\u6587\u4ef6\u8bfb\u5199\u3001\u7f51\u7edc\u8bf7\u6c42\u7b49\u3002Python\u4e2d\u7684threading<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u521b\u5efa\u548c\u7ba1\u7406\u7ebf\u7a0b\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n

2\u3001\u521b\u5efa\u7ebf\u7a0b\u5e76\u8fd0\u884c\u4ee3\u7801<\/h4>\n<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528threading<\/code>\u6a21\u5757\u521b\u5efa\u4e24\u4e2a\u7ebf\u7a0b\u5e76\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u51fd\u6570\uff1a<\/p>\n<\/p>\n

import threading<\/p>\n
import time<\/p>\n
def task1():<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task 1 - Iteration {i}")<\/p>\n
        time.sleep(1)<\/p>\n
def task2():<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task 2 - Iteration {i}")<\/p>\n
        time.sleep(1)<\/p>\n
\u521b\u5efa\u7ebf\u7a0b<\/strong><\/h2>\n
thread1 = threading.Thread(target=task1)<\/p>\n
thread2 = threading.Thread(target=task2)<\/p>\n
\u542f\u52a8\u7ebf\u7a0b<\/strong><\/h2>\n
thread1.start()<\/p>\n
thread2.start()<\/p>\n
\u7b49\u5f85\u7ebf\u7a0b\u5b8c\u6210<\/strong><\/h2>\n
thread1.join()<\/p>\n
thread2.join()<\/p>\n
print("Both tasks are completed.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0ctask1<\/code>\u548ctask2<\/code>\u51fd\u6570\u5206\u522b\u5728\u4e24\u4e2a\u7ebf\u7a0b\u4e2d\u8fd0\u884c\u3002\u6bcf\u4e2a\u7ebf\u7a0b\u6253\u5370\u6d88\u606f\u5e76\u6682\u505c1\u79d2\uff0c\u4e24\u4e2a\u7ebf\u7a0b\u5e76\u53d1\u6267\u884c\uff0c\u56e0\u6b64\u8f93\u51fa\u5c06\u4ea4\u66ff\u51fa\u73b0\u3002<\/p>\n<\/p>\n
3\u3001\u591a\u7ebf\u7a0b\u7684\u6ce8\u610f\u4e8b\u9879<\/h4>\n<\/p>\n
\u867d\u7136\u591a\u7ebf\u7a0b\u53ef\u4ee5\u63d0\u9ad8I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6548\u7387\uff0c\u4f46\u5728Python\u4e2d\uff0c\u56e0Global Interpreter Lock\uff08GIL\uff09\u7684\u5b58\u5728\uff0c\u591a\u4e2a\u7ebf\u7a0b\u4e0d\u80fd\u540c\u65f6\u6267\u884cPython\u5b57\u8282\u7801\uff0c\u5bfc\u81f4CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6027\u80fd\u63d0\u5347\u6709\u9650\u3002\u5bf9\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u63a8\u8350\u4f7f\u7528\u591a\u8fdb\u7a0b\u6280\u672f\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528\u591a\u8fdb\u7a0b<\/h3>\n<\/p>\n
1\u3001\u591a\u8fdb\u7a0b\u7684\u6982\u5ff5<\/h4>\n<\/p>\n
\u591a\u8fdb\u7a0b\u662f\u4e00\u79cd\u5e76\u884c\u6267\u884c\u4ee3\u7801\u7684\u6280\u672f\uff0c\u9002\u7528\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002Python\u4e2d\u7684multiprocessing<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u521b\u5efa\u548c\u7ba1\u7406\u8fdb\u7a0b\u7684\u529f\u80fd\u3002<\/p>\n<\/p>\n
2\u3001\u521b\u5efa\u8fdb\u7a0b\u5e76\u8fd0\u884c\u4ee3\u7801<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528multiprocessing<\/code>\u6a21\u5757\u521b\u5efa\u4e24\u4e2a\u8fdb\u7a0b\u5e76\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u51fd\u6570\uff1a<\/p>\n<\/p>\n
import multiprocessing<\/p>\n
import time<\/p>\n
def task1():<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task 1 - Iteration {i}")<\/p>\n
        time.sleep(1)<\/p>\n
def task2():<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task 2 - Iteration {i}")<\/p>\n
        time.sleep(1)<\/p>\n
\u521b\u5efa\u8fdb\u7a0b<\/strong><\/h2>\n
process1 = multiprocessing.Process(target=task1)<\/p>\n
process2 = multiprocessing.Process(target=task2)<\/p>\n
\u542f\u52a8\u8fdb\u7a0b<\/strong><\/h2>\n
process1.start()<\/p>\n
process2.start()<\/p>\n
\u7b49\u5f85\u8fdb\u7a0b\u5b8c\u6210<\/strong><\/h2>\n
process1.join()<\/p>\n
process2.join()<\/p>\n
print("Both tasks are completed.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0ctask1<\/code>\u548ctask2<\/code>\u51fd\u6570\u5206\u522b\u5728\u4e24\u4e2a\u8fdb\u7a0b\u4e2d\u8fd0\u884c\u3002\u6bcf\u4e2a\u8fdb\u7a0b\u6253\u5370\u6d88\u606f\u5e76\u6682\u505c1\u79d2\uff0c\u4e24\u4e2a\u8fdb\u7a0b\u5e76\u884c\u6267\u884c\uff0c\u56e0\u6b64\u8f93\u51fa\u5c06\u4ea4\u66ff\u51fa\u73b0\u3002<\/p>\n<\/p>\n
3\u3001\u591a\u8fdb\u7a0b\u7684\u6ce8\u610f\u4e8b\u9879<\/h4>\n<\/p>\n
\u591a\u8fdb\u7a0b\u53ef\u4ee5\u5145\u5206\u5229\u7528\u591a\u6838CPU\u7684\u4f18\u52bf\uff0c\u63d0\u9ad8CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u591a\u8fdb\u7a0b\u7684\u5f00\u9500\u8f83\u5927\uff08\u5982\u5185\u5b58\u6d88\u8017\u3001\u8fdb\u7a0b\u95f4\u901a\u4fe1\u7b49\uff09\uff0c\u9700\u8981\u6743\u8861\u4f7f\u7528\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b<\/h3>\n<\/p>\n
1\u3001\u5f02\u6b65\u7f16\u7a0b\u7684\u6982\u5ff5<\/h4>\n<\/p>\n
\u5f02\u6b65\u7f16\u7a0b\u662f\u4e00\u79cd\u975e\u963b\u585e\u7684\u7f16\u7a0b\u6a21\u578b\uff0c\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u3002Python\u4e2d\u7684asyncio<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5f02\u6b65\u7f16\u7a0b\u7684\u652f\u6301\uff0c\u4f7f\u7a0b\u5e8f\u5728\u7b49\u5f85I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6\u6267\u884c\u5176\u4ed6\u4efb\u52a1\u3002<\/p>\n<\/p>\n
2\u3001\u521b\u5efa\u5f02\u6b65\u4efb\u52a1\u5e76\u8fd0\u884c\u4ee3\u7801<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528asyncio<\/code>\u6a21\u5757\u521b\u5efa\u4e24\u4e2a\u5f02\u6b65\u4efb\u52a1\u5e76\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u51fd\u6570\uff1a<\/p>\n<\/p>\n
import asyncio<\/p>\n
async def task1():<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task 1 - Iteration {i}")<\/p>\n
        awAI<\/a>t asyncio.sleep(1)<\/p>\n
async def task2():<\/p>\n
    for i in range(5):<\/p>\n
        print(f"Task 2 - Iteration {i}")<\/p>\n
        await asyncio.sleep(1)<\/p>\n
async def main():<\/p>\n
    # \u521b\u5efa\u5e76\u8fd0\u884c\u5f02\u6b65\u4efb\u52a1<\/p>\n
    await asyncio.gather(task1(), task2())<\/p>\n
\u8fd0\u884c\u4e3b\u51fd\u6570<\/strong><\/h2>\n
asyncio.run(main())<\/p>\n
print("Both tasks are completed.")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0ctask1<\/code>\u548ctask2<\/code>\u51fd\u6570\u4f7f\u7528async<\/code>\u548cawait<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u4e3a\u5f02\u6b65\u51fd\u6570\u3002asyncio.gather<\/code>\u51fd\u6570\u7528\u4e8e\u5e76\u53d1\u6267\u884c\u591a\u4e2a\u5f02\u6b65\u4efb\u52a1\u3002<\/p>\n<\/p>\n
3\u3001\u5f02\u6b65\u7f16\u7a0b\u7684\u6ce8\u610f\u4e8b\u9879<\/h4>\n<\/p>\n
\u5f02\u6b65\u7f16\u7a0b\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6027\u80fd\uff0c\u4f46\u7f16\u5199\u548c\u8c03\u8bd5\u5f02\u6b65\u4ee3\u7801\u76f8\u5bf9\u590d\u6742\u3002\u9700\u8981\u5145\u5206\u7406\u89e3\u5f02\u6b65\u7f16\u7a0b\u6a21\u578b\u548c\u76f8\u5173\u6982\u5ff5\uff0c\u5982\u4e8b\u4ef6\u5faa\u73af\u3001\u534f\u7a0b\u7b49\u3002<\/p>\n<\/p>\n
\u56db\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u6280\u672f\u6765\u5b9e\u73b0\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u4ee3\u7801\uff0c\u5305\u62ec\u591a\u7ebf\u7a0b\u3001\u591a\u8fdb\u7a0b\u548c\u5f02\u6b65\u7f16\u7a0b\u3002\u9009\u62e9\u5408\u9002\u7684\u6280\u672f\u53d6\u51b3\u4e8e\u4efb\u52a1\u7684\u6027\u8d28\uff1a<\/p>\n<\/p>\n
    \n
  • \u591a\u7ebf\u7a0b<\/strong>\uff1a\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5982\u6587\u4ef6\u8bfb\u5199\u3001\u7f51\u7edc\u8bf7\u6c42\u7b49\u3002<\/li>\n
  • \u591a\u8fdb\u7a0b<\/strong>\uff1a\u9002\u7528\u4e8eCPU\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5982\u8ba1\u7b97\u5bc6\u96c6\u578b\u64cd\u4f5c\u3001\u6570\u636e\u5904\u7406\u7b49\u3002<\/li>\n
  • \u5f02\u6b65\u7f16\u7a0b<\/strong>\uff1a\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5c24\u5176\u662f\u9700\u8981\u5904\u7406\u5927\u91cf\u5e76\u53d1I\/O\u64cd\u4f5c\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n
    \u6839\u636e\u4efb\u52a1\u7684\u5177\u4f53\u9700\u6c42\uff0c\u9009\u62e9\u5408\u9002\u7684\u6280\u672f\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u5728Python\u4e2d\u5b9e\u73b0\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u6765\u540c\u65f6\u8fd0\u884c\u4e24\u4e2a\u4ee3\u7801\uff1f<\/strong><\/p>\n
    \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528threading<\/code>\u6a21\u5757\u6765\u5b9e\u73b0\u591a\u7ebf\u7a0b\uff0c\u6216\u8005\u4f7f\u7528multiprocessing<\/code>\u6a21\u5757\u6765\u5b9e\u73b0\u591a\u8fdb\u7a0b\u3002\u8fd9\u4e24\u79cd\u65b9\u5f0f\u5141\u8bb8\u4f60\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u4ee3\u7801\u5757\u3002\u591a\u7ebf\u7a0b\u9002\u5408I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u800c\u591a\u8fdb\u7a0b\u9002\u5408CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u5f0f\u3002<\/p>\n
    \u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b\u662f\u5426\u53ef\u4ee5\u5b9e\u73b0\u540c\u65f6\u8fd0\u884c\u4e24\u4e2aPython\u4ee3\u7801\uff1f<\/strong><\/p>\n
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    \u5728Python\u4e2d\u5982\u4f55\u7ba1\u7406\u540c\u65f6\u8fd0\u884c\u7684\u4ee3\u7801\u7684\u8f93\u51fa\uff1f<\/strong><\/p>\n
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