{"id":10021231,"date":"2026-02-01T02:40:32","date_gmt":"2026-01-31T18:40:32","guid":{"rendered":"https:\/\/itmax.cn\/?p=10021231"},"modified":"2026-02-01T02:40:32","modified_gmt":"2026-01-31T18:40:32","slug":"python%e4%b8%ad%e7%9a%84%e5%8d%8f%e7%a8%8b%e4%b8%8e%e4%ba%8b%e4%bb%b6%e5%be%aa%e7%8e%af%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10021231","title":{"rendered":"Python\u4e2d\u7684\u534f\u7a0b\u4e0e\u4e8b\u4ef6\u5faa\u73af\u673a\u5236"},"content":{"rendered":"

Python\u4e2d\u7684\u534f\u7a0b\u4e0e\u4e8b\u4ef6\u5faa\u73af\u673a\u5236<\/h2>\n

1. \u534f\u7a0b\u7684\u6982\u5ff5\u4e0e\u57fa\u672c\u539f\u7406<\/h3>\n

\u534f\u7a0b\uff08Coroutine\uff09\u662f\u4e00\u79cd\u6bd4\u7ebf\u7a0b\u66f4\u8f7b\u91cf\u7ea7\u7684\u5e76\u53d1\u7f16\u7a0b\u65b9\u5f0f\uff0c\u5b83\u5141\u8bb8\u5728\u5355\u7ebf\u7a0b\u5185\u5b9e\u73b0\u5e76\u53d1\u64cd\u4f5c\u3002\u534f\u7a0b\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u6682\u505c\uff0c\u4fdd\u5b58\u5f53\u524d\u7684\u6267\u884c\u72b6\u6001\uff0c\u7136\u540e\u5728\u9002\u5f53\u7684\u65f6\u5019\u6062\u590d\u6267\u884c\u3002<\/p>\n

1.1 \u534f\u7a0b\u7684\u5b9a\u4e49<\/h4>\n

\u534f\u7a0b\u662f\u4e00\u79cd\u53ef\u4ee5\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u6682\u505c\u5e76\u5728\u7a0d\u540e\u6062\u590d\u7684\u51fd\u6570\u3002\u4e0e\u7ebf\u7a0b\u4e0d\u540c\uff0c\u534f\u7a0b\u7684\u5207\u6362\u662f\u7531\u7a0b\u5e8f\u81ea\u8eab\u63a7\u5236\u7684\uff0c\u800c\u4e0d\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7684\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97\u534f\u7a0b\u7684\u5207\u6362\u5f00\u9500\u975e\u5e38\u5c0f\uff0c\u9002\u5408\u5904\u7406\u5927\u91cf\u7684I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u3002<\/p>\n

1.2 \u534f\u7a0b\u4e0e\u5176\u4ed6\u5e76\u53d1\u6a21\u578b\u7684\u6bd4\u8f83<\/h4>\n\n\n\n\n\n\n\n
\u5e76\u53d1\u6a21\u578b<\/th>\n\u4f18\u70b9<\/th>\n\u7f3a\u70b9<\/th>\n<\/tr>\n<\/thead>\n
\u7ebf\u7a0b<\/td>\n\u7531\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\uff0c\u4f7f\u7528\u7b80\u5355<\/td>\n\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u5927\uff0c\u53ef\u80fd\u5bfc\u81f4\u7ade\u6001\u6761\u4ef6<\/td>\n<\/tr>\n
\u8fdb\u7a0b<\/td>\n\u5b8c\u5168\u9694\u79bb\uff0c\u5b89\u5168\u6027\u9ad8<\/td>\n\u5185\u5b58\u5360\u7528\u5927\uff0c\u8fdb\u7a0b\u95f4\u901a\u4fe1\u590d\u6742<\/td>\n<\/tr>\n
\u534f\u7a0b<\/td>\n\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u5c0f\uff0c\u5e76\u53d1\u5ea6\u9ad8<\/td>\n\u9700\u8981\u663e\u5f0f yield \u63a7\u5236\u6743\uff0c\u7f16\u7a0b\u590d\u6742\u5ea6\u8f83\u9ad8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

1.3 \u534f\u7a0b\u7684\u5de5\u4f5c\u539f\u7406<\/h4>\n

\u534f\u7a0b\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6982\u5ff5\uff1a<\/p>\n

    \n
  1. \u6682\u505c\u4e0e\u6062\u590d<\/strong>\uff1a\u534f\u7a0b\u53ef\u4ee5\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u6682\u505c\uff0c\u4fdd\u5b58\u5f53\u524d\u7684\u6267\u884c\u72b6\u6001\uff0c\u7136\u540e\u5728\u9002\u5f53\u7684\u65f6\u5019\u6062\u590d\u6267\u884c<\/li>\n
  2. \u534f\u4f5c\u5f0f\u8c03\u5ea6<\/strong>\uff1a\u534f\u7a0b\u7684\u5207\u6362\u662f\u7531\u7a0b\u5e8f\u81ea\u8eab\u63a7\u5236\u7684\uff0c\u800c\u4e0d\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u8c03\u5ea6\u7684<\/li>\n
  3. \u4e8b\u4ef6\u5faa\u73af<\/strong>\uff1a\u534f\u7a0b\u9700\u8981\u5728\u4e8b\u4ef6\u5faa\u73af\u4e2d\u8fd0\u884c\uff0c\u4e8b\u4ef6\u5faa\u73af\u8d1f\u8d23\u8c03\u5ea6\u548c\u6267\u884c\u534f\u7a0b\u4efb\u52a1<\/li>\n<\/ol>\n
    # \u534f\u7a0b\u7684\u57fa\u672c\u539f\u7406\u793a\u4f8b\nimport time\n\n# \u7b80\u5355\u7684\u534f\u7a0b\u5b9e\u73b0\uff08\u4f7f\u7528\u751f\u6210\u5668\uff09\ndef simple_coroutine():\n    print("\u534f\u7a0b\u5f00\u59cb")\n    value = yield\n    print(f"\u534f\u7a0b\u63a5\u6536\u5230\u503c\uff1a{value}")\n    value = yield "\u534f\u7a0b\u8fd4\u56de\u503c"\n    print(f"\u534f\u7a0b\u63a5\u6536\u5230\u7b2c\u4e8c\u4e2a\u503c\uff1a{value}")\n    return "\u534f\u7a0b\u7ed3\u675f"\n\n# \u521b\u5efa\u534f\u7a0b\u5bf9\u8c61\ncoro = simple_coroutine()\n\n# \u542f\u52a8\u534f\u7a0b\nprint("\u542f\u52a8\u534f\u7a0b\uff1a")\nnext(coro)  # \u6267\u884c\u5230\u7b2c\u4e00\u4e2a yield\n\n# \u53d1\u9001\u503c\u5e76\u6062\u590d\u534f\u7a0b\nprint("\/n\u53d1\u9001\u7b2c\u4e00\u4e2a\u503c\uff1a")\ntry:\n    result = coro.send("Hello")  # \u53d1\u9001\u503c\u5e76\u6267\u884c\u5230\u7b2c\u4e8c\u4e2a yield\n    print(f"\u534f\u7a0b\u8fd4\u56de\u503c\uff1a{result}")\n    \n    # \u53d1\u9001\u7b2c\u4e8c\u4e2a\u503c\n    print("\/n\u53d1\u9001\u7b2c\u4e8c\u4e2a\u503c\uff1a")\n    result = coro.send("World")  # \u53d1\u9001\u503c\u5e76\u6267\u884c\u5230\u7ed3\u675f\nexcept StopIteration as e:\n    print(f"\u534f\u7a0b\u7ed3\u675f\uff0c\u8fd4\u56de\u503c\uff1a{e.value}")\n\n# \u6d4b\u8bd5\u534f\u7a0b\u7684\u6682\u505c\u4e0e\u6062\u590d\nprint("\/n\u6d4b\u8bd5\u534f\u7a0b\u7684\u6682\u505c\u4e0e\u6062\u590d\uff1a")\n\ndef timer_coroutine():\n    """\u8ba1\u65f6\u5668\u534f\u7a0b"""\n    start = time.time()\n    while True:\n        elapsed = time.time() - start\n        yield elapsed\n        time.sleep(0.5)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n\n# \u521b\u5efa\u8ba1\u65f6\u5668\u534f\u7a0b\n timer = timer_coroutine()\n\n# \u4f7f\u7528\u8ba1\u65f6\u5668\nprint("\u5f00\u59cb\u8ba1\u65f6\uff1a")\nfor i in range(5):\n    elapsed = next(timer)\n    print(f"\u7b2c {i + 1} \u6b21\u8c03\u7528\uff0c\u5df2\u8fc7\u65f6\u95f4\uff1a{elapsed:.2f}\u79d2")<\/code><\/pre>\n
    1.4 \u534f\u7a0b\u7684\u4f18\u52bf<\/h4>\n
    \u4f7f\u7528\u534f\u7a0b\u7684\u4f18\u52bf\uff1a<\/p>\n
      \n
    • \u9ad8\u5e76\u53d1<\/strong>\uff1a\u5355\u7ebf\u7a0b\u5185\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u5927\u91cf\u7684\u534f\u7a0b\u4efb\u52a1<\/li>\n
    • \u4f4e\u5f00\u9500<\/strong>\uff1a\u534f\u7a0b\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u975e\u5e38\u5c0f\uff0c\u4e0d\u9700\u8981\u64cd\u4f5c\u7cfb\u7edf\u4ecb\u5165<\/li>\n
    • \u65e0\u7ade\u6001\u6761\u4ef6<\/strong>\uff1a\u534f\u7a0b\u5728\u5355\u7ebf\u7a0b\u5185\u6267\u884c\uff0c\u4e0d\u9700\u8981\u9501\u673a\u5236<\/li>\n
    • \u6613\u4e8e\u8c03\u8bd5<\/strong>\uff1a\u534f\u7a0b\u7684\u6267\u884c\u987a\u5e8f\u662f\u786e\u5b9a\u7684\uff0c\u4fbf\u4e8e\u8c03\u8bd5<\/li>\n
    • \u9002\u5408I\/O\u5bc6\u96c6\u578b\u4efb\u52a1<\/strong>\uff1a\u534f\u7a0b\u5728\u7b49\u5f85I\/O\u64cd\u4f5c\u65f6\u53ef\u4ee5\u6682\u505c\uff0c\u8ba9\u5176\u4ed6\u534f\u7a0b\u6267\u884c<\/li>\n<\/ul>\n
      2. Python\u4e2d\u7684\u534f\u7a0b\u5b9e\u73b0<\/h3>\n
      Python\u4e2d\u7684\u534f\u7a0b\u5b9e\u73b0\u7ecf\u5386\u4e86\u51e0\u4e2a\u9636\u6bb5\u7684\u53d1\u5c55\uff1a<\/p>\n
        \n
      1. \u751f\u6210\u5668\u534f\u7a0b<\/strong>\uff1a\u57fa\u4e8e\u751f\u6210\u5668\u7684\u534f\u7a0b\u5b9e\u73b0\uff08Python 2.5+\uff09<\/li>\n
      2. \u589e\u5f3a\u578b\u751f\u6210\u5668\u534f\u7a0b<\/strong>\uff1a\u652f\u6301 send()<\/code>\u3001throw()<\/code> \u548c close()<\/code> \u65b9\u6cd5\uff08Python 2.5+\uff09<\/li>\n
      3. \u539f\u751f\u534f\u7a0b<\/strong>\uff1a\u4f7f\u7528 async\/await<\/code> \u8bed\u6cd5\u7684\u534f\u7a0b\uff08Python 3.5+\uff09<\/li>\n<\/ol>\n
        2.1 \u751f\u6210\u5668\u534f\u7a0b<\/h4>\n
        \u751f\u6210\u5668\u534f\u7a0b\u662f\u57fa\u4e8ePython\u7684\u751f\u6210\u5668\u5b9e\u73b0\u7684\u534f\u7a0b\uff0c\u4f7f\u7528 yield<\/code> \u8bed\u53e5\u6765\u6682\u505c\u6267\u884c\uff1a<\/p>\n
        # \u751f\u6210\u5668\u534f\u7a0b\u793a\u4f8b\ndef generator_coroutine():\n    """\u751f\u6210\u5668\u534f\u7a0b"""\n    print("\u534f\u7a0b\u5f00\u59cb")\n    while True:\n        value = yield\n        print(f"\u534f\u7a0b\u63a5\u6536\u5230\u503c\uff1a{value}")\n        if value == "exit":\n            break\n    print("\u534f\u7a0b\u7ed3\u675f")\n\n# \u521b\u5efa\u534f\u7a0b\u5bf9\u8c61\ncoro = generator_coroutine()\n\n# \u542f\u52a8\u534f\u7a0b\nnext(coro)\n\n# \u53d1\u9001\u503c\ncoro.send("Hello")\ncoro.send("World")\ncoro.send("exit")\n\n# \u6d4b\u8bd5\u5e26\u8fd4\u56de\u503c\u7684\u751f\u6210\u5668\u534f\u7a0b\ndef counting_coroutine():\n    """\u8ba1\u6570\u534f\u7a0b"""\n    count = 0\n    while True:\n        action = yield count\n        if action == "increment":\n            count += 1\n        elif action == "reset":\n            count = 0\n        elif action == "exit":\n            break\n    return count\n\n# \u521b\u5efa\u534f\u7a0b\u5bf9\u8c61\ncoro = counting_coroutine()\n\n# \u542f\u52a8\u534f\u7a0b\nprint(f"\u521d\u59cb\u503c\uff1a{next(coro)}")\n\n# \u53d1\u9001\u64cd\u4f5c\nprint(f"\u9012\u589e\u540e\uff1a{coro.send('increment')}")\nprint(f"\u9012\u589e\u540e\uff1a{coro.send('increment')}")\nprint(f"\u91cd\u7f6e\u540e\uff1a{coro.send('reset')}")\nprint(f"\u9012\u589e\u540e\uff1a{coro.send('increment')}")\n\n# \u9000\u51fa\u534f\u7a0b\ntry:\n    coro.send("exit")\nexcept StopIteration as e:\n    print(f"\u534f\u7a0b\u7ed3\u675f\uff0c\u6700\u7ec8\u8ba1\u6570\uff1a{e.value}")<\/code><\/pre>\n
        2.2 \u539f\u751f\u534f\u7a0b<\/h4>\n
        \u539f\u751f\u534f\u7a0b\u662fPython 3.5+\u5f15\u5165\u7684\u534f\u7a0b\u5b9e\u73b0\uff0c\u4f7f\u7528 async\/await<\/code> \u8bed\u6cd5\uff1a<\/p>\n
        # \u539f\u751f\u534f\u7a0b\u793a\u4f8b\nimport asyncio\n\nasync def native_coroutine():\n    """\u539f\u751f\u534f\u7a0b"""\n    print("\u534f\u7a0b\u5f00\u59cb")\n    await asyncio.sleep(1)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u534f\u7a0b\u7ee7\u7eed")\n    await asyncio.sleep(1)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u534f\u7a0b\u7ed3\u675f")\n    return "\u534f\u7a0b\u8fd4\u56de\u503c"\n\n# \u8fd0\u884c\u534f\u7a0b\nasync def main():\n    result = await native_coroutine()\n    print(f"\u534f\u7a0b\u8fd4\u56de\u503c\uff1a{result}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\uff1a")\nasyncio.run(main())\n\n# \u6d4b\u8bd5\u5e26\u53c2\u6570\u7684\u539f\u751f\u534f\u7a0b\nasync def greet(name):\n    """\u95ee\u5019\u534f\u7a0b"""\n    print(f"Hello, {name}!")\n    await asyncio.sleep(1)\n    print(f"Goodbye, {name}!")\n    return f"Greeted {name}"\n\n# \u8fd0\u884c\u591a\u4e2a\u534f\u7a0b\nasync def main_multiple():\n    # \u5e76\u53d1\u8fd0\u884c\u591a\u4e2a\u534f\u7a0b\n    task1 = asyncio.create_task(greet("Alice"))\n    task2 = asyncio.create_task(greet("Bob"))\n    task3 = asyncio.create_task(greet("Charlie"))\n    \n    # \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210\n    results = await asyncio.gather(task1, task2, task3)\n    print(f"\u6240\u6709\u534f\u7a0b\u5b8c\u6210\uff0c\u7ed3\u679c\uff1a{results}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\/n\u8fd0\u884c\u591a\u4e2a\u534f\u7a0b\uff1a")\nasyncio.run(main_multiple())<\/code><\/pre>\n
        2.3 \u534f\u7a0b\u88c5\u9970\u5668<\/h4>\n
        \u5728Python 3.4\u53ca\u4e4b\u524d\u7684\u7248\u672c\u4e2d\uff0c\u9700\u8981\u4f7f\u7528 @asyncio.coroutine<\/code> \u88c5\u9970\u5668\u6765\u6807\u8bb0\u534f\u7a0b\u51fd\u6570\uff1a<\/p>\n
        # \u534f\u7a0b\u88c5\u9970\u5668\u793a\u4f8b\nimport asyncio\n\n@asyncio.coroutine\ndef decorated_coroutine():\n    """\u4f7f\u7528\u88c5\u9970\u5668\u7684\u534f\u7a0b"""\n    print("\u534f\u7a0b\u5f00\u59cb")\n    yield from asyncio.sleep(1)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u534f\u7a0b\u7ee7\u7eed")\n    yield from asyncio.sleep(1)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u534f\u7a0b\u7ed3\u675f")\n    return "\u534f\u7a0b\u8fd4\u56de\u503c"\n\n# \u8fd0\u884c\u534f\u7a0b\n@asyncio.coroutine\ndef main():\n    result = yield from decorated_coroutine()\n    print(f"\u534f\u7a0b\u8fd4\u56de\u503c\uff1a{result}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\uff1a")\nasyncio.run(main())<\/code><\/pre>\n
        3. \u4e8b\u4ef6\u5faa\u73af\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n
        \u4e8b\u4ef6\u5faa\u73af\u662f\u534f\u7a0b\u6267\u884c\u7684\u6838\u5fc3\uff0c\u5b83\u8d1f\u8d23\u8c03\u5ea6\u548c\u6267\u884c\u534f\u7a0b\u4efb\u52a1\uff0c\u5904\u7406I\/O\u64cd\u4f5c\u7b49\u3002Python\u7684 asyncio<\/code> \u5e93\u63d0\u4f9b\u4e86\u4e8b\u4ef6\u5faa\u73af\u7684\u5b9e\u73b0\u3002<\/p>\n
        3.1 \u4e8b\u4ef6\u5faa\u73af\u7684\u6982\u5ff5<\/h4>\n
        \u4e8b\u4ef6\u5faa\u73af\u662f\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\uff0c\u5b83\u4e0d\u65ad\u5730\u4ece\u4efb\u52a1\u961f\u5217\u4e2d\u53d6\u51fa\u4efb\u52a1\u5e76\u6267\u884c\uff0c\u76f4\u5230\u6240\u6709\u4efb\u52a1\u90fd\u5b8c\u6210\u3002\u4e8b\u4ef6\u5faa\u73af\u7684\u4e3b\u8981\u804c\u8d23\u5305\u62ec\uff1a<\/p>\n
          \n
        1. \u4efb\u52a1\u8c03\u5ea6<\/strong>\uff1a\u8c03\u5ea6\u548c\u6267\u884c\u534f\u7a0b\u4efb\u52a1<\/li>\n
        2. I\/O\u64cd\u4f5c\u5904\u7406<\/strong>\uff1a\u5904\u7406\u5f02\u6b65I\/O\u64cd\u4f5c<\/li>\n
        3. \u4e8b\u4ef6\u5904\u7406<\/strong>\uff1a\u5904\u7406\u5b9a\u65f6\u5668\u3001\u4fe1\u53f7\u7b49\u4e8b\u4ef6<\/li>\n
        4. \u56de\u8c03\u51fd\u6570\u6267\u884c<\/strong>\uff1a\u6267\u884c\u6ce8\u518c\u7684\u56de\u8c03\u51fd\u6570<\/li>\n<\/ol>\n
          3.2 \u4e8b\u4ef6\u5faa\u73af\u7684\u5de5\u4f5c\u6d41\u7a0b<\/h4>\n
          \u4e8b\u4ef6\u5faa\u73af\u7684\u5de5\u4f5c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n
            \n
          1. \u521d\u59cb\u5316<\/strong>\uff1a\u521b\u5efa\u4e8b\u4ef6\u5faa\u73af\u5bf9\u8c61<\/li>\n
          2. \u6dfb\u52a0\u4efb\u52a1<\/strong>\uff1a\u5c06\u534f\u7a0b\u4efb\u52a1\u6dfb\u52a0\u5230\u4e8b\u4ef6\u5faa\u73af\u4e2d<\/li>\n
          3. \u6267\u884c\u4efb\u52a1<\/strong>\uff1a\u4ece\u4efb\u52a1\u961f\u5217\u4e2d\u53d6\u51fa\u4efb\u52a1\u5e76\u6267\u884c<\/li>\n
          4. \u5904\u7406I\/O<\/strong>\uff1a\u5f53\u4efb\u52a1\u9700\u8981\u7b49\u5f85I\/O\u64cd\u4f5c\u65f6\uff0c\u6682\u505c\u4efb\u52a1\u6267\u884c\uff0c\u5904\u7406\u5176\u4ed6\u4efb\u52a1<\/li>\n
          5. \u4efb\u52a1\u5b8c\u6210<\/strong>\uff1a\u5f53I\/O\u64cd\u4f5c\u5b8c\u6210\u65f6\uff0c\u6062\u590d\u6682\u505c\u7684\u4efb\u52a1\u6267\u884c<\/li>\n
          6. \u5faa\u73af\u7ed3\u675f<\/strong>\uff1a\u5f53\u6240\u6709\u4efb\u52a1\u90fd\u5b8c\u6210\u65f6\uff0c\u9000\u51fa\u4e8b\u4ef6\u5faa\u73af<\/li>\n<\/ol>\n
            # \u4e8b\u4ef6\u5faa\u73af\u7684\u5de5\u4f5c\u539f\u7406\u793a\u4f8b\nimport asyncio\nimport time\n\nasync def task1():\n    """\u4efb\u52a11"""\n    print("\u4efb\u52a11\u5f00\u59cb")\n    await asyncio.sleep(2)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u4efb\u52a11\u7ed3\u675f")\n    return "\u4efb\u52a11\u8fd4\u56de\u503c"\n\nasync def task2():\n    """\u4efb\u52a12"""\n    print("\u4efb\u52a12\u5f00\u59cb")\n    await asyncio.sleep(1)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u4efb\u52a12\u7ed3\u675f")\n    return "\u4efb\u52a12\u8fd4\u56de\u503c"\n\nasync def task3():\n    """\u4efb\u52a13"""\n    print("\u4efb\u52a13\u5f00\u59cb")\n    await asyncio.sleep(1.5)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u4efb\u52a13\u7ed3\u675f")\n    return "\u4efb\u52a13\u8fd4\u56de\u503c"\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    print(f"\u4e3b\u534f\u7a0b\u5f00\u59cb\uff0c\u65f6\u95f4\uff1a{time.strftime('%H:%M:%S')}")\n    \n    # \u521b\u5efa\u4efb\u52a1\n    task1_obj = asyncio.create_task(task1())\n    task2_obj = asyncio.create_task(task2())\n    task3_obj = asyncio.create_task(task3())\n    \n    # \u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\n    results = await asyncio.gather(task1_obj, task2_obj, task3_obj)\n    \n    print(f"\u4e3b\u534f\u7a0b\u7ed3\u675f\uff0c\u65f6\u95f4\uff1a{time.strftime('%H:%M:%S')}")\n    print(f"\u4efb\u52a1\u7ed3\u679c\uff1a{results}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\uff1a")\nasyncio.run(main())\n\n# \u6d4b\u8bd5\u4e8b\u4ef6\u5faa\u73af\u7684\u4efb\u52a1\u8c03\u5ea6\nasync def periodic_task(name, interval):\n    """\u5468\u671f\u6027\u4efb\u52a1"""\n    for i in range(3):\n        print(f"{name} \u6267\u884c\uff0c\u7b2c {i + 1} \u6b21\uff0c\u65f6\u95f4\uff1a{time.strftime('%H:%M:%S')}")\n        await asyncio.sleep(interval)\n\nasync def main_periodic():\n    """\u4e3b\u534f\u7a0b"""\n    print(f"\u4e3b\u534f\u7a0b\u5f00\u59cb\uff0c\u65f6\u95f4\uff1a{time.strftime('%H:%M:%S')}")\n    \n    # \u521b\u5efa\u5468\u671f\u6027\u4efb\u52a1\n    task1 = asyncio.create_task(periodic_task("\u4efb\u52a1A", 1))\n    task2 = asyncio.create_task(periodic_task("\u4efb\u52a1B", 2))\n    \n    # \u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\n    await asyncio.gather(task1, task2)\n    \n    print(f"\u4e3b\u534f\u7a0b\u7ed3\u675f\uff0c\u65f6\u95f4\uff1a{time.strftime('%H:%M:%S')}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\/n\u6d4b\u8bd5\u5468\u671f\u6027\u4efb\u52a1\uff1a")\nasyncio.run(main_periodic())<\/code><\/pre>\n
            3.3 \u4e8b\u4ef6\u5faa\u73af\u7684\u7c7b\u578b<\/h4>\n
            Python\u7684 asyncio<\/code> \u5e93\u63d0\u4f9b\u4e86\u591a\u79cd\u4e8b\u4ef6\u5faa\u73af\u5b9e\u73b0\uff0c\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u5e73\u53f0\u548c\u573a\u666f\uff1a<\/p>\n
              \n
            • SelectorEventLoop<\/strong>\uff1a\u57fa\u4e8e select \u7cfb\u7edf\u8c03\u7528\u7684\u4e8b\u4ef6\u5faa\u73af\uff0c\u9002\u7528\u4e8e\u6240\u6709\u5e73\u53f0<\/li>\n
            • ProactorEventLoop<\/strong>\uff1a\u57fa\u4e8e IOCP \u7684\u4e8b\u4ef6\u5faa\u73af\uff0c\u4ec5\u9002\u7528\u4e8e Windows \u5e73\u53f0<\/li>\n
            • uvloop<\/strong>\uff1a\u57fa\u4e8e libuv \u7684\u4e8b\u4ef6\u5faa\u73af\uff0c\u6027\u80fd\u66f4\u9ad8\uff0c\u4f46\u9700\u8981\u5355\u72ec\u5b89\u88c5<\/li>\n<\/ul>\n
              # \u4e8b\u4ef6\u5faa\u73af\u7684\u7c7b\u578b\u793a\u4f8b\nimport asyncio\n\n# \u83b7\u53d6\u5f53\u524d\u4e8b\u4ef6\u5faa\u73af\nloop = asyncio.get_event_loop()\nprint(f"\u5f53\u524d\u4e8b\u4ef6\u5faa\u73af\uff1a{type(loop).__name__}")\n\n# \u6d4b\u8bd5\u4e0d\u540c\u7684\u4e8b\u4ef6\u5faa\u73af\u7b56\u7565\nprint("\/n\u6d4b\u8bd5\u4e8b\u4ef6\u5faa\u73af\u7b56\u7565\uff1a")\n\n# \u9ed8\u8ba4\u7b56\u7565\ndefault_policy = asyncio.get_event_loop_policy()\nprint(f"\u9ed8\u8ba4\u7b56\u7565\uff1a{type(default_policy).__name__}")\n\n# \u5c1d\u8bd5\u4f7f\u7528 uvloop\nprint("\/n\u5c1d\u8bd5\u4f7f\u7528 uvloop\uff1a")\ntry:\n    import uvloop\n    asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())\n    loop = asyncio.new_event_loop()\n    print(f"uvloop \u4e8b\u4ef6\u5faa\u73af\uff1a{type(loop).__name__}")\nexcept ImportError:\n    print("uvloop \u672a\u5b89\u88c5")\n\n# \u6d4b\u8bd5\u4e8b\u4ef6\u5faa\u73af\u7684\u5173\u95ed\nprint("\/n\u6d4b\u8bd5\u4e8b\u4ef6\u5faa\u73af\u7684\u5173\u95ed\uff1a")\n\nasync def test_task():\n    print("\u6d4b\u8bd5\u4efb\u52a1")\n    await asyncio.sleep(1)\n    print("\u6d4b\u8bd5\u4efb\u52a1\u5b8c\u6210")\n\n# \u521b\u5efa\u5e76\u8fd0\u884c\u4e8b\u4ef6\u5faa\u73af\nloop = asyncio.new_event_loop()\ntry:\n    loop.run_until_complete(test_task())\nfinally:\n    loop.close()\n    print("\u4e8b\u4ef6\u5faa\u73af\u5df2\u5173\u95ed")<\/code><\/pre>\n
              4. \u534f\u7a0b\u7684\u9ad8\u7ea7\u7279\u6027<\/h3>\n
              4.1 \u534f\u7a0b\u7684\u53d6\u6d88<\/h4>\n
              \u53ef\u4ee5\u4f7f\u7528 cancel()<\/code> \u65b9\u6cd5\u6765\u53d6\u6d88\u6b63\u5728\u6267\u884c\u7684\u534f\u7a0b\u4efb\u52a1\uff1a<\/p>\n
              # \u534f\u7a0b\u7684\u53d6\u6d88\u793a\u4f8b\nimport asyncio\nimport time\n\nasync def long_running_task():\n    """\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4efb\u52a1"""\n    print("\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4efb\u52a1\u5f00\u59cb")\n    try:\n        for i in range(10):\n            print(f"\u4efb\u52a1\u6267\u884c\u4e2d... {i + 1}\/10")\n            await asyncio.sleep(1)\n    except asyncio.CancelledError:\n        print("\u4efb\u52a1\u88ab\u53d6\u6d88")\n        raise  # \u91cd\u65b0\u629b\u51fa\u5f02\u5e38\uff0c\u786e\u4fdd\u4efb\u52a1\u6b63\u786e\u7ed3\u675f\n    finally:\n        print("\u4efb\u52a1\u6e05\u7406")\n    return "\u4efb\u52a1\u5b8c\u6210"\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    # \u521b\u5efa\u4efb\u52a1\n    task = asyncio.create_task(long_running_task())\n    \n    # \u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\u53d6\u6d88\u4efb\u52a1\n    await asyncio.sleep(3)\n    print("\u53d6\u6d88\u4efb\u52a1")\n    task.cancel()\n    \n    # \u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\n    try:\n        result = await task\n        print(f"\u4efb\u52a1\u7ed3\u679c\uff1a{result}")\n    except asyncio.CancelledError:\n        print("\u6355\u83b7\u5230\u4efb\u52a1\u53d6\u6d88\u5f02\u5e38")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u6d4b\u8bd5\u534f\u7a0b\u7684\u53d6\u6d88\uff1a")\nasyncio.run(main())<\/code><\/pre>\n
              4.2 \u534f\u7a0b\u7684\u8d85\u65f6\u5904\u7406<\/h4>\n
              \u53ef\u4ee5\u4f7f\u7528 asyncio.wait_for()<\/code> \u51fd\u6570\u6765\u8bbe\u7f6e\u534f\u7a0b\u7684\u8d85\u65f6\u65f6\u95f4\uff1a<\/p>\n
              # \u534f\u7a0b\u7684\u8d85\u65f6\u5904\u7406\u793a\u4f8b\nimport asyncio\n\nasync def slow_task():\n    """\u6162\u901f\u4efb\u52a1"""\n    print("\u6162\u901f\u4efb\u52a1\u5f00\u59cb")\n    await asyncio.sleep(5)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    print("\u6162\u901f\u4efb\u52a1\u7ed3\u675f")\n    return "\u6162\u901f\u4efb\u52a1\u8fd4\u56de\u503c"\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    print("\u6d4b\u8bd5\u8d85\u65f6\u5904\u7406\uff1a")\n    \n    try:\n        # \u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u4e3a3\u79d2\n        result = await asyncio.wait_for(slow_task(), timeout=3)\n        print(f"\u4efb\u52a1\u7ed3\u679c\uff1a{result}")\n    except asyncio.TimeoutError:\n        print("\u4efb\u52a1\u8d85\u65f6")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main())\n\n# \u6d4b\u8bd5\u5e26\u8d85\u65f6\u7684\u5e76\u884c\u4efb\u52a1\nasync def task_with_timeout(name, delay):\n    """\u5e26\u5ef6\u8fdf\u7684\u4efb\u52a1"""\n    print(f"\u4efb\u52a1 {name} \u5f00\u59cb\uff0c\u5ef6\u8fdf {delay} \u79d2")\n    await asyncio.sleep(delay)\n    print(f"\u4efb\u52a1 {name} \u7ed3\u675f")\n    return f"\u4efb\u52a1 {name} \u8fd4\u56de\u503c"\n\nasync def main_multiple():\n    """\u4e3b\u534f\u7a0b"""\n    print("\/n\u6d4b\u8bd5\u5e26\u8d85\u65f6\u7684\u5e76\u884c\u4efb\u52a1\uff1a")\n    \n    try:\n        # \u521b\u5efa\u4efb\u52a1\n        task1 = task_with_timeout("A", 2)\n        task2 = task_with_timeout("B", 4)\n        task3 = task_with_timeout("C", 1)\n        \n        # \u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\u4e3a3\u79d2\n        results = await asyncio.wait_for(\n            asyncio.gather(task1, task2, task3),\n            timeout=3\n        )\n        print(f"\u4efb\u52a1\u7ed3\u679c\uff1a{results}")\n    except asyncio.TimeoutError:\n        print("\u4efb\u52a1\u8d85\u65f6")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main_multiple())<\/code><\/pre>\n
              4.3 \u534f\u7a0b\u7684\u5f02\u5e38\u5904\u7406<\/h4>\n
              \u53ef\u4ee5\u4f7f\u7528 try-except \u8bed\u53e5\u6765\u6355\u83b7\u548c\u5904\u7406\u534f\u7a0b\u4e2d\u7684\u5f02\u5e38\uff1a<\/p>\n
              # \u534f\u7a0b\u7684\u5f02\u5e38\u5904\u7406\u793a\u4f8b\nimport asyncio\n\nasync def task_with_exception():\n    """\u4f1a\u629b\u51fa\u5f02\u5e38\u7684\u4efb\u52a1"""\n    print("\u4efb\u52a1\u5f00\u59cb")\n    await asyncio.sleep(1)\n    raise ValueError("\u4efb\u52a1\u6267\u884c\u51fa\u9519")\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    print("\u6d4b\u8bd5\u5f02\u5e38\u5904\u7406\uff1a")\n    \n    try:\n        result = await task_with_exception()\n        print(f"\u4efb\u52a1\u7ed3\u679c\uff1a{result}")\n    except ValueError as e:\n        print(f"\u6355\u83b7\u5230\u5f02\u5e38\uff1a{e}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main())\n\n# \u6d4b\u8bd5\u5e76\u884c\u4efb\u52a1\u7684\u5f02\u5e38\u5904\u7406\nasync def task1():\n    """\u4efb\u52a11"""\n    print("\u4efb\u52a11\u5f00\u59cb")\n    await asyncio.sleep(1)\n    raise ValueError("\u4efb\u52a11\u51fa\u9519")\n\nasync def task2():\n    """\u4efb\u52a12"""\n    print("\u4efb\u52a12\u5f00\u59cb")\n    await asyncio.sleep(2)\n    print("\u4efb\u52a12\u7ed3\u675f")\n    return "\u4efb\u52a12\u8fd4\u56de\u503c"\n\nasync def main_multiple():\n    """\u4e3b\u534f\u7a0b"""\n    print("\/n\u6d4b\u8bd5\u5e76\u884c\u4efb\u52a1\u7684\u5f02\u5e38\u5904\u7406\uff1a")\n    \n    try:\n        # \u521b\u5efa\u4efb\u52a1\n        task1_obj = asyncio.create_task(task1())\n        task2_obj = asyncio.create_task(task2())\n        \n        # \u7b49\u5f85\u4efb\u52a1\u5b8c\u6210\n        results = await asyncio.gather(task1_obj, task2_obj)\n        print(f"\u4efb\u52a1\u7ed3\u679c\uff1a{results}")\n    except ValueError as e:\n        print(f"\u6355\u83b7\u5230\u5f02\u5e38\uff1a{e}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main_multiple())<\/code><\/pre>\n
              4.4 \u534f\u7a0b\u7684\u5d4c\u5957<\/h4>\n
              \u534f\u7a0b\u53ef\u4ee5\u5d4c\u5957\u8c03\u7528\uff0c\u5f62\u6210\u534f\u7a0b\u94fe\uff1a<\/p>\n
              # \u534f\u7a0b\u7684\u5d4c\u5957\u793a\u4f8b\nimport asyncio\n\nasync def inner_coroutine():\n    """\u5185\u90e8\u534f\u7a0b"""\n    print("\u5185\u90e8\u534f\u7a0b\u5f00\u59cb")\n    await asyncio.sleep(1)\n    print("\u5185\u90e8\u534f\u7a0b\u7ed3\u675f")\n    return "\u5185\u90e8\u534f\u7a0b\u8fd4\u56de\u503c"\n\nasync def middle_coroutine():\n    """\u4e2d\u95f4\u534f\u7a0b"""\n    print("\u4e2d\u95f4\u534f\u7a0b\u5f00\u59cb")\n    result = await inner_coroutine()\n    print(f"\u83b7\u53d6\u5185\u90e8\u534f\u7a0b\u7ed3\u679c\uff1a{result}")\n    await asyncio.sleep(1)\n    print("\u4e2d\u95f4\u534f\u7a0b\u7ed3\u675f")\n    return f"\u4e2d\u95f4\u534f\u7a0b\u8fd4\u56de\u503c\uff0c\u5185\u90e8\u7ed3\u679c\uff1a{result}"\n\nasync def outer_coroutine():\n    """\u5916\u90e8\u534f\u7a0b"""\n    print("\u5916\u90e8\u534f\u7a0b\u5f00\u59cb")\n    result = await middle_coroutine()\n    print(f"\u83b7\u53d6\u4e2d\u95f4\u534f\u7a0b\u7ed3\u679c\uff1a{result}")\n    await asyncio.sleep(1)\n    print("\u5916\u90e8\u534f\u7a0b\u7ed3\u675f")\n    return f"\u5916\u90e8\u534f\u7a0b\u8fd4\u56de\u503c\uff0c\u4e2d\u95f4\u7ed3\u679c\uff1a{result}"\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    print("\u6d4b\u8bd5\u534f\u7a0b\u5d4c\u5957\uff1a")\n    result = await outer_coroutine()\n    print(f"\u6700\u7ec8\u7ed3\u679c\uff1a{result}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main())\n\n# \u6d4b\u8bd5\u6df1\u5ea6\u5d4c\u5957\nasync def nested_coroutine(depth):\n    """\u6df1\u5ea6\u5d4c\u5957\u7684\u534f\u7a0b"""\n    if depth > 0:\n        print(f"\u5d4c\u5957\u6df1\u5ea6 {depth} \u5f00\u59cb")\n        result = await nested_coroutine(depth - 1)\n        print(f"\u5d4c\u5957\u6df1\u5ea6 {depth} \u7ed3\u675f\uff0c\u83b7\u53d6\u7ed3\u679c\uff1a{result}")\n        return f"\u6df1\u5ea6 {depth} \u8fd4\u56de\u503c"\n    else:\n        print("\u5d4c\u5957\u6df1\u5ea6 0 \u5f00\u59cb")\n        await asyncio.sleep(0.5)\n        print("\u5d4c\u5957\u6df1\u5ea6 0 \u7ed3\u675f")\n        return "\u6df1\u5ea6 0 \u8fd4\u56de\u503c"\n\nasync def main_depth():\n    """\u4e3b\u534f\u7a0b"""\n    print("\/n\u6d4b\u8bd5\u6df1\u5ea6\u5d4c\u5957\uff1a")\n    result = await nested_coroutine(5)\n    print(f"\u6700\u7ec8\u7ed3\u679c\uff1a{result}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main_depth())<\/code><\/pre>\n
              5. \u534f\u7a0b\u7684\u5e94\u7528\u573a\u666f<\/h3>\n
              5.1 \u7f51\u7edc\u7f16\u7a0b<\/h4>\n
              \u534f\u7a0b\u975e\u5e38\u9002\u5408\u7f51\u7edc\u7f16\u7a0b\uff0c\u7279\u522b\u662f\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u8fde\u63a5\uff1a<\/p>\n
              # \u534f\u7a0b\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528\nimport asyncio\nimport aiohttp\n\nasync def fetch_url(session, url):\n    """\u83b7\u53d6URL\u5185\u5bb9"""\n    try:\n        async with session.get(url) as response:\n            status = response.status\n            content_length = response.content_length or 0\n            print(f"URL: {url}, \u72b6\u6001\u7801: {status}, \u5185\u5bb9\u957f\u5ea6: {content_length}")\n            # \u8bfb\u53d6\u54cd\u5e94\u5185\u5bb9\n            await response.read()\n            return status\n    except Exception as e:\n        print(f"URL: {url}, \u9519\u8bef: {e}")\n        return None\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    urls = [\n        "https:\/\/www.example.com",\n        "https:\/\/www.google.com",\n        "https:\/\/www.github.com",\n        "https:\/\/www.python.org",\n        "https:\/\/www.baidu.com",\n        "https:\/\/www.microsoft.com",\n        "https:\/\/www.apple.com",\n        "https:\/\/www.amazon.com",\n        "https:\/\/www.facebook.com",\n        "https:\/\/www.twitter.com"\n    ]\n    \n    print(f"\u5f00\u59cb\u83b7\u53d6 {len(urls)} \u4e2aURL")\n    \n    # \u521b\u5efa\u4f1a\u8bdd\n    async with aiohttp.ClientSession() as session:\n        # \u521b\u5efa\u4efb\u52a1\n        tasks = [fetch_url(session, url) for url in urls]\n        # \u7b49\u5f85\u6240\u6709\u4efb\u52a1\u5b8c\u6210\n        results = await asyncio.gather(*tasks)\n    \n    print(f"\/n\u6240\u6709URL\u83b7\u53d6\u5b8c\u6210\uff0c\u6210\u529f: {results.count(200)}, \u5931\u8d25: {results.count(None)}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u6d4b\u8bd5\u534f\u7a0b\u7f51\u7edc\u7f16\u7a0b\uff1a")\nasyncio.run(main())<\/code><\/pre>\n
              5.2 \u5e76\u53d1\u4efb\u52a1\u5904\u7406<\/h4>\n
              \u534f\u7a0b\u53ef\u4ee5\u9ad8\u6548\u5730\u5904\u7406\u5927\u91cf\u7684\u5e76\u53d1\u4efb\u52a1\uff0c\u5982\u6570\u636e\u5904\u7406\u3001\u6587\u4ef6\u64cd\u4f5c\u7b49\uff1a<\/p>\n
              # \u534f\u7a0b\u5728\u5e76\u53d1\u4efb\u52a1\u5904\u7406\u4e2d\u7684\u5e94\u7528\nimport asyncio\nimport time\n\nasync def process_task(task_id, delay):\n    """\u5904\u7406\u4efb\u52a1"""\n    print(f"\u4efb\u52a1 {task_id} \u5f00\u59cb\uff0c\u5ef6\u8fdf {delay} \u79d2")\n    await asyncio.sleep(delay)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    result = task_id * 10\n    print(f"\u4efb\u52a1 {task_id} \u7ed3\u675f\uff0c\u7ed3\u679c: {result}")\n    return result\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    # \u521b\u5efa\u4efb\u52a1\u5217\u8868\n    tasks = [\n        process_task(1, 2),\n        process_task(2, 1),\n        process_task(3, 3),\n        process_task(4, 1.5),\n        process_task(5, 2.5),\n        process_task(6, 0.5),\n        process_task(7, 1.2),\n        process_task(8, 2.8),\n        process_task(9, 0.8),\n        process_task(10, 1.8)\n    ]\n    \n    print(f"\u5f00\u59cb\u5904\u7406 {len(tasks)} \u4e2a\u4efb\u52a1")\n    start_time = time.time()\n    \n    # \u5e76\u53d1\u5904\u7406\u6240\u6709\u4efb\u52a1\n    results = await asyncio.gather(*tasks)\n    \n    end_time = time.time()\n    print(f"\/n\u6240\u6709\u4efb\u52a1\u5904\u7406\u5b8c\u6210\uff0c\u8017\u65f6: {end_time - start_time:.2f}\u79d2")\n    print(f"\u4efb\u52a1\u7ed3\u679c: {results}")\n    print(f"\u7ed3\u679c\u603b\u548c: {sum(results)}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u6d4b\u8bd5\u534f\u7a0b\u5e76\u53d1\u4efb\u52a1\u5904\u7406\uff1a")\nasyncio.run(main())\n\n# \u6d4b\u8bd5\u6279\u91cf\u4efb\u52a1\u5904\u7406\nasync def batch_process(tasks, batch_size=5):\n    """\u6279\u91cf\u5904\u7406\u4efb\u52a1"""\n    results = []\n    \n    for i in range(0, len(tasks), batch_size):\n        batch = tasks[i:i + batch_size]\n        print(f"\u5904\u7406\u6279\u6b21 {i\/\/batch_size + 1}, \u4efb\u52a1\u6570\u91cf: {len(batch)}")\n        batch_results = await asyncio.gather(*batch)\n        results.extend(batch_results)\n    \n    return results\n\nasync def main_batch():\n    """\u4e3b\u534f\u7a0b"""\n    # \u521b\u5efa\u5927\u91cf\u4efb\u52a1\n    tasks = [process_task(i, 0.1) for i in range(1, 21)]\n    \n    print(f"\/n\u5f00\u59cb\u6279\u91cf\u5904\u7406 {len(tasks)} \u4e2a\u4efb\u52a1")\n    start_time = time.time()\n    \n    # \u6279\u91cf\u5904\u7406\u4efb\u52a1\n    results = await batch_process(tasks, batch_size=5)\n    \n    end_time = time.time()\n    print(f"\/n\u6240\u6709\u4efb\u52a1\u5904\u7406\u5b8c\u6210\uff0c\u8017\u65f6: {end_time - start_time:.2f}\u79d2")\n    print(f"\u4efb\u52a1\u7ed3\u679c: {results}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nasyncio.run(main_batch())<\/code><\/pre>\n
              5.3 \u5f02\u6b65\u6587\u4ef6\u64cd\u4f5c<\/h4>\n
              \u534f\u7a0b\u53ef\u4ee5\u7528\u4e8e\u5f02\u6b65\u6587\u4ef6\u64cd\u4f5c\uff0c\u63d0\u9ad8I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u7684\u6027\u80fd\uff1a<\/p>\n
              # \u534f\u7a0b\u5728\u5f02\u6b65\u6587\u4ef6\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528\nimport asyncio\nimport aiofiles\nimport time\n\nasync def write_file(filename, content):\n    """\u5f02\u6b65\u5199\u5165\u6587\u4ef6"""\n    async with aiofiles.open(filename, 'w') as f:\n        await f.write(content)\n    print(f"\u6587\u4ef6 {filename} \u5199\u5165\u5b8c\u6210")\n\nasync def read_file(filename):\n    """\u5f02\u6b65\u8bfb\u53d6\u6587\u4ef6"""\n    async with aiofiles.open(filename, 'r') as f:\n        content = await f.read()\n    print(f"\u6587\u4ef6 {filename} \u8bfb\u53d6\u5b8c\u6210\uff0c\u5185\u5bb9\u957f\u5ea6: {len(content)}")\n    return content\n\nasync def main():\n    """\u4e3b\u534f\u7a0b"""\n    # \u521b\u5efa\u6d4b\u8bd5\u6587\u4ef6\n    files = [f"test{i}.txt" for i in range(1, 6)]\n    contents = [f"Content for file {i}\/n" * 1000 for i in range(1, 6)]\n    \n    print(f"\u5f00\u59cb\u5904\u7406 {len(files)} \u4e2a\u6587\u4ef6")\n    start_time = time.time()\n    \n    # \u5f02\u6b65\u5199\u5165\u6587\u4ef6\n    write_tasks = [write_file(files[i], contents[i]) for i in range(len(files))]\n    await asyncio.gather(*write_tasks)\n    \n    # \u5f02\u6b65\u8bfb\u53d6\u6587\u4ef6\n    read_tasks = [read_file(file) for file in files]\n    read_results = await asyncio.gather(*read_tasks)\n    \n    end_time = time.time()\n    print(f"\/n\u6240\u6709\u6587\u4ef6\u64cd\u4f5c\u5b8c\u6210\uff0c\u8017\u65f6: {end_time - start_time:.2f}\u79d2")\n    print(f"\u8bfb\u53d6\u7684\u6587\u4ef6\u6570\u91cf: {len(read_results)}")\n\n# \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\nprint("\u6d4b\u8bd5\u534f\u7a0b\u5f02\u6b65\u6587\u4ef6\u64cd\u4f5c\uff1a")\nasyncio.run(main())<\/code><\/pre>\n
              5.4 \u6570\u636e\u5e93\u64cd\u4f5c<\/h4>\n
              \u534f\u7a0b\u53ef\u4ee5\u7528\u4e8e\u5f02\u6b65\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u8bbf\u95ee\u7684\u5e76\u53d1\u6027\u80fd\uff1a<\/p>\n
              # \u534f\u7a0b\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u7684\u5e94\u7528\nimport asyncio\n\n# \u6ce8\u610f\uff1a\u9700\u8981\u5b89\u88c5 aiomysql \u5e93\ntry:\n    import aiomysql\n    \n    async def create_connection():\n        """\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5"""\n        conn = await aiomysql.connect(\n            host='localhost',\n            port=3306,\n            user='root',\n            password='password',  # \u8bf7\u66ff\u6362\u4e3a\u5b9e\u9645\u5bc6\u7801\n            db='test',  # \u8bf7\u66ff\u6362\u4e3a\u5b9e\u9645\u6570\u636e\u5e93\n            loop=asyncio.get_event_loop()\n        )\n        return conn\n    \n    async def test_db():\n        """\u6d4b\u8bd5\u6570\u636e\u5e93\u64cd\u4f5c"""\n        try:\n            # \u521b\u5efa\u8fde\u63a5\n            conn = await create_connection()\n            cursor = await conn.cursor()\n            \n            # \u521b\u5efa\u8868\n            await cursor.execute('''\n                CREATE TABLE IF NOT EXISTS users (\n                    id INT PRIMARY KEY AUTO_INCREMENT,\n                    name VARCHAR(255) NOT NULL,\n                    age INT NOT NULL\n                )\n            ''')\n            print("\u8868\u521b\u5efa\u6210\u529f")\n            \n            # \u63d2\u5165\u6570\u636e\n            users = [('Alice', 30), ('Bob', 25), ('Charlie', 35)]\n            await cursor.executemany(\n                'INSERT INTO users (name, age) VALUES (%s, %s)',\n                users\n            )\n            await conn.commit()\n            print(f"\u63d2\u5165 {cursor.rowcount} \u6761\u6570\u636e")\n            \n            # \u67e5\u8be2\u6570\u636e\n            await cursor.execute('SELECT * FROM users')\n            results = await cursor.fetchall()\n            print("\u67e5\u8be2\u7ed3\u679c\uff1a")\n            for row in results:\n                print(row)\n            \n            # \u6e05\u7406\u6570\u636e\n            await cursor.execute('DELETE FROM users')\n            await conn.commit()\n            print("\u6570\u636e\u6e05\u7406\u5b8c\u6210")\n            \n        except Exception as e:\n            print(f"\u6570\u636e\u5e93\u64cd\u4f5c\u9519\u8bef\uff1a{e}")\n        finally:\n            if 'cursor' in locals():\n                await cursor.close()\n            if 'conn' in locals():\n                conn.close()\n    \n    # \u542f\u52a8\u4e8b\u4ef6\u5faa\u73af\n    print("\u6d4b\u8bd5\u534f\u7a0b\u6570\u636e\u5e93\u64cd\u4f5c\uff1a")\n    asyncio.run(test_db())\n    \nexcept ImportError:\n    print("aiomysql \u5e93\u672a\u5b89\u88c5\uff0c\u8df3\u8fc7\u6570\u636e\u5e93\u6d4b\u8bd5")<\/code><\/pre>\n
              6. \u534f\u7a0b\u7684\u6027\u80fd\u8003\u8651<\/h3>\n
              6.1 \u6027\u80fd\u6d4b\u8bd5<\/h4>\n
              \u8ba9\u6211\u4eec\u6d4b\u8bd5\u534f\u7a0b\u4e0e\u5176\u4ed6\u5e76\u53d1\u6a21\u578b\u7684\u6027\u80fd\u6bd4\u8f83\uff1a<\/p>\n
              # \u534f\u7a0b\u7684\u6027\u80fd\u6d4b\u8bd5\nimport asyncio\nimport threading\nimport time\n\n# \u6d4b\u8bd5\u51fd\u6570\uff1a\u6a21\u62dfI\/O\u64cd\u4f5c\ndef io_operation(delay):\n    """\u6a21\u62dfI\/O\u64cd\u4f5c"""\n    time.sleep(delay)\n\nasync def async_io_operation(delay):\n    """\u5f02\u6b65\u6a21\u62dfI\/O\u64cd\u4f5c"""\n    await asyncio.sleep(delay)\n\n# \u6d4b\u8bd5\u7ebf\u7a0b\u6027\u80fd\ndef test_threads(count, delay):\n    """\u6d4b\u8bd5\u7ebf\u7a0b\u6027\u80fd"""\n    threads = []\n    for i in range(count):\n        t = threading.Thread(target=io_operation, args=(delay,))\n        threads.append(t)\n        t.start()\n    \n    for t in threads:\n        t.join()\n\n# \u6d4b\u8bd5\u534f\u7a0b\u6027\u80fd\nasync def test_coroutines(count, delay):\n    """\u6d4b\u8bd5\u534f\u7a0b\u6027\u80fd"""\n    tasks = []\n    for i in range(count):\n        task = asyncio.create_task(async_io_operation(delay))\n        tasks.append(task)\n    \n    await asyncio.gather(*tasks)\n\n# \u6d4b\u8bd5\u540c\u6b65\u6027\u80fd\ndef test_sync(count, delay):\n    """\u6d4b\u8bd5\u540c\u6b65\u6027\u80fd"""\n    for i in range(count):\n        io_operation(delay)\n\n# \u8fd0\u884c\u6027\u80fd\u6d4b\u8bd5\nprint("\u534f\u7a0b\u6027\u80fd\u6d4b\u8bd5\uff1a")\n\ncount = 1000\n delay = 0.01\n\n# \u6d4b\u8bd5\u540c\u6b65\nprint(f"\/n\u6d4b\u8bd5\u540c\u6b65\u6267\u884c {count} \u4e2a\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u5ef6\u8fdf {delay} \u79d2")\nstart = time.time()\ntest_sync(count, delay)\nend = time.time()\nprint(f"\u540c\u6b65\u6267\u884c\u8017\u65f6\uff1a{end - start:.4f}\u79d2")\n\n# \u6d4b\u8bd5\u7ebf\u7a0b\nprint(f"\/n\u6d4b\u8bd5\u7ebf\u7a0b\u6267\u884c {count} \u4e2a\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u5ef6\u8fdf {delay} \u79d2")\nstart = time.time()\ntest_threads(count, delay)\nend = time.time()\nprint(f"\u7ebf\u7a0b\u6267\u884c\u8017\u65f6\uff1a{end - start:.4f}\u79d2")\n\n# \u6d4b\u8bd5\u534f\u7a0b\nprint(f"\/n\u6d4b\u8bd5\u534f\u7a0b\u6267\u884c {count} \u4e2a\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u5ef6\u8fdf {delay} \u79d2")\nstart = time.time()\nasyncio.run(test_coroutines(count, delay))\nend = time.time()\nprint(f"\u534f\u7a0b\u6267\u884c\u8017\u65f6\uff1a{end - start:.4f}\u79d2")\n\n# \u6d4b\u8bd5\u66f4\u5927\u7684\u4efb\u52a1\u91cf\ncount = 10000\n delay = 0.001\n\nprint(f"\/n\u6d4b\u8bd5\u66f4\u5927\u7684\u4efb\u52a1\u91cf\uff1a{count} \u4e2a\u4efb\u52a1\uff0c\u6bcf\u4e2a\u4efb\u52a1\u5ef6\u8fdf {delay} \u79d2")\n\n# \u6d4b\u8bd5\u534f\u7a0b\nprint("\/n\u6d4b\u8bd5\u534f\u7a0b\u6267\u884c\uff1a")\nstart = time.time()\nasyncio.run(test_coroutines(count, delay))\nend = time.time()\nprint(f"\u534f\u7a0b\u6267\u884c\u8017\u65f6\uff1a{end - start:.4f}\u79d2")\n\n# \u6d4b\u8bd5\u7ebf\u7a0b\uff08\u6ce8\u610f\uff1a\u7ebf\u7a0b\u6570\u91cf\u8fc7\u591a\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u8d44\u6e90\u8017\u5c3d\uff09\nprint(f"\/n\u6d4b\u8bd5\u7ebf\u7a0b\u6267\u884c\uff08\u4f7f\u7528 1000 \u4e2a\u7ebf\u7a0b\uff09\uff1a")\nstart = time.time()\ntest_threads(1000, delay * 10)  # \u51cf\u5c11\u7ebf\u7a0b\u6570\u91cf\uff0c\u589e\u52a0\u6bcf\u4e2a\u7ebf\u7a0b\u7684\u5ef6\u8fdf\nend = time.time()\nprint(f"\u7ebf\u7a0b\u6267\u884c\u8017\u65f6\uff1a{end - start:.4f}\u79d2")<\/code><\/pre>\n
              6.2 \u6027\u80fd\u4f18\u5316\u7b56\u7565<\/h4>\n
              \u5728\u4f7f\u7528\u534f\u7a0b\u65f6\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u7b56\u7565\u6765\u4f18\u5316\u6027\u80fd\uff1a<\/p>\n
                \n
              • \u51cf\u5c11\u534f\u7a0b\u5207\u6362<\/strong>\uff1a\u907f\u514d\u8fc7\u591a\u7684\u534f\u7a0b\u5207\u6362\uff0c\u7279\u522b\u662f\u5728\u8ba1\u7b97\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d<\/li>\n
              • \u5408\u7406\u4f7f\u7528\u4efb\u52a1\u5206\u7ec4<\/strong>\uff1a\u5bf9\u4e8e\u5927\u91cf\u7684\u534f\u7a0b\u4efb\u52a1\uff0c\u53ef\u4ee5\u5206\u7ec4\u5904\u7406\uff0c\u907f\u514d\u4e00\u6b21\u6027\u521b\u5efa\u8fc7\u591a\u7684\u4efb\u52a1<\/li>\n
              • \u4f7f\u7528\u8fde\u63a5\u6c60<\/strong>\uff1a\u5bf9\u4e8e\u7f51\u7edc\u3001\u6570\u636e\u5e93\u7b49\u8fde\u63a5\uff0c\u4f7f\u7528\u8fde\u63a5\u6c60\u6765\u51cf\u5c11\u8fde\u63a5\u5efa\u7acb\u548c\u5173\u95ed\u7684\u5f00\u9500<\/li>\n
              • \u4f18\u5316I\/O\u64cd\u4f5c<\/strong>\uff1a\u5c3d\u53ef\u80fd\u4f7f\u7528\u5f02\u6b65I\/O\u64cd\u4f5c\uff0c\u907f\u514d\u963b\u585e\u534f\u7a0b\u6267\u884c<\/li>\n
              • \u4f7f\u7528uvloop<\/strong>\uff1a\u5bf9\u4e8e\u6027\u80fd\u8981\u6c42\u8f83\u9ad8\u7684\u573a\u666f\uff0c\u53ef\u4ee5\u4f7f\u7528uvloop\u6765\u66ff\u4ee3\u9ed8\u8ba4\u7684\u4e8b\u4ef6\u5faa\u73af<\/li>\n<\/ul>\n
                # \u534f\u7a0b\u6027\u80fd\u4f18\u5316\u7b56\u7565\u793a\u4f8b\nimport asyncio\nimport time\n\n# \u6d4b\u8bd5\u4e0d\u540c\u7684\u4efb\u52a1\u5206\u7ec4\u65b9\u5f0f\nasync def process_task(task_id):\n    """\u5904\u7406\u4efb\u52a1"""\n    await asyncio.sleep(0.01)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    return task_id\n\nasync def process_batch(tasks):\n    """\u5904\u7406\u6279\u6b21\u4efb\u52a1"""\n    return await asyncio.gather(*tasks)\n\nasync def main_no_batching():\n    """\u4e0d\u4f7f\u7528\u6279\u6b21\u5904\u7406"""\n    tasks = [process_task(i) for i in range(10000)]\n    results = await asyncio.gather(*tasks)\n    return results\n\nasync def main_with_batching(batch_size=1000):\n    """\u4f7f\u7528\u6279\u6b21\u5904\u7406"""\n    tasks = [process_task(i) for i in range(10000)]\n    results = []\n    \n    for i in range(0, len(tasks), batch_size):\n        batch = tasks[i:i + batch_size]\n        batch_results = await process_batch(batch)\n        results.extend(batch_results)\n    \n    return results\n\n# \u8fd0\u884c\u6027\u80fd\u6d4b\u8bd5\nprint("\u534f\u7a0b\u6027\u80fd\u4f18\u5316\u7b56\u7565\u6d4b\u8bd5\uff1a")\n\n# \u6d4b\u8bd5\u4e0d\u4f7f\u7528\u6279\u6b21\u5904\u7406\nprint("\/n\u6d4b\u8bd5\u4e0d\u4f7f\u7528\u6279\u6b21\u5904\u7406\uff1a")\nstart = time.time()\nasyncio.run(main_no_batching())\nend = time.time()\nprint(f"\u4e0d\u4f7f\u7528\u6279\u6b21\u5904\u7406\u8017\u65f6\uff1a{end - start:.4f}\u79d2")\n\n# \u6d4b\u8bd5\u4f7f\u7528\u6279\u6b21\u5904\u7406\nprint("\/n\u6d4b\u8bd5\u4f7f\u7528\u6279\u6b21\u5904\u7406\uff1a")\nstart = time.time()\nasyncio.run(main_with_batching())\nend = time.time()\nprint(f"\u4f7f\u7528\u6279\u6b21\u5904\u7406\u8017\u65f6\uff1a{end - start:.4f}\u79d2")\n\n# \u6d4b\u8bd5\u4e0d\u540c\u6279\u6b21\u5927\u5c0f\nprint("\/n\u6d4b\u8bd5\u4e0d\u540c\u6279\u6b21\u5927\u5c0f\uff1a")\nbatch_sizes = [100, 500, 1000, 2000, 5000]\n\nfor batch_size in batch_sizes:\n    start = time.time()\n    asyncio.run(main_with_batching(batch_size))\n    end = time.time()\n    print(f"\u6279\u6b21\u5927\u5c0f {batch_size}\uff1a{end - start:.4f}\u79d2")<\/code><\/pre>\n
                7. \u5b9e\u8df5\u6848\u4f8b\uff1a\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u5f02\u6b65Web\u670d\u52a1\u5668<\/h3>\n
                7.1 \u6848\u4f8b\u6982\u8ff0<\/h4>\n
                \u6211\u4eec\u5c06\u4f7f\u7528Python\u7684 asyncio<\/code> \u548c aiohttp<\/code> \u5e93\u6765\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u5f02\u6b65Web\u670d\u52a1\u5668\uff0c\u5c55\u793a\u534f\u7a0b\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n
                7.2 \u5b9e\u73b0\u4ee3\u7801<\/h4>\n
                # \u5b9e\u73b0\u5f02\u6b65Web\u670d\u52a1\u5668\nimport asyncio\nfrom aiohttp import web\nimport time\n\n# \u5904\u7406\u51fd\u6570\uff1a\u9996\u9875\nasync def handle_index(request):\n    """\u5904\u7406\u9996\u9875\u8bf7\u6c42"""\n    return web.Response(text="Hello, Async Web Server!")\n\n# \u5904\u7406\u51fd\u6570\uff1a\u5ef6\u8fdf\u54cd\u5e94\nasync def handle_delay(request):\n    """\u5904\u7406\u5ef6\u8fdf\u54cd\u5e94\u8bf7\u6c42"""\n    # \u83b7\u53d6\u5ef6\u8fdf\u53c2\u6570\n    delay = float(request.match_info.get('delay', 1))\n    print(f"\u5904\u7406\u5ef6\u8fdf\u8bf7\u6c42\uff0c\u5ef6\u8fdf {delay} \u79d2")\n    # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n    await asyncio.sleep(delay)\n    return web.Response(text=f"Delayed response after {delay} seconds")\n\n# \u5904\u7406\u51fd\u6570\uff1a\u5e76\u53d1\u6d4b\u8bd5\nasync def handle_concurrent(request):\n    """\u5904\u7406\u5e76\u53d1\u6d4b\u8bd5\u8bf7\u6c42"""\n    # \u83b7\u53d6\u5e76\u53d1\u6570\u53c2\u6570\n    count = int(request.match_info.get('count', 10))\n    print(f"\u5904\u7406\u5e76\u53d1\u6d4b\u8bd5\u8bf7\u6c42\uff0c\u5e76\u53d1\u6570 {count}")\n    \n    # \u521b\u5efa\u5e76\u53d1\u4efb\u52a1\n    async def task(i):\n        await asyncio.sleep(0.1)  # \u6a21\u62df\u8017\u65f6\u64cd\u4f5c\n        return i\n    \n    # \u6267\u884c\u5e76\u53d1\u4efb\u52a1\n    tasks = [task(i) for i in range(count)]\n    results = await asyncio.gather(*tasks)\n    \n    return web.Response(text=f"Concurrent tasks completed: {results}")\n\n# \u5904\u7406\u51fd\u6570\uff1a\u72b6\u6001\u4fe1\u606f\nasync def handle_status(request):\n    """\u5904\u7406\u72b6\u6001\u4fe1\u606f\u8bf7\u6c42"""\n    # \u83b7\u53d6\u4e8b\u4ef6\u5faa\u73af\u4fe1\u606f\n    loop = asyncio.get_event_loop()\n    stats = {\n        "loop": type(loop).__name__,\n        "time": time.strftime('%Y-%m-%d %H:%M:%S'),\n        "uptime": f"{time.time() - start_time:.2f} seconds"\n    }\n    return web.json_response(stats)\n\n# \u521d\u59cb\u5316\u670d\u52a1\u5668\nasync def init_app():\n    """\u521d\u59cb\u5316\u5e94\u7528"""\n    app = web.Application()\n    # \u6ce8\u518c\u8def\u7531\n    app.add_routes([\n        web.get('\/', handle_index),\n        web.get('\/delay\/{delay}', handle_delay),\n        web.get('\/concurrent\/{count}', handle_concurrent),\n        web.get('\/status', handle_status)\n    ])\n    return app\n\n# \u5168\u5c40\u53d8\u91cf\uff1a\u670d\u52a1\u5668\u542f\u52a8\u65f6\u95f4\nstart_time = time.time()\n\n# \u542f\u52a8\u670d\u52a1\u5668\nprint("\u542f\u52a8\u5f02\u6b65Web\u670d\u52a1\u5668\uff1a")\nprint("\u8bbf\u95ee\u5730\u5740\uff1ahttp:\/\/localhost:8080")\nprint("\u6d4b\u8bd5\u8def\u5f84\uff1a")\nprint("  \/              - \u9996\u9875")\nprint("  \/delay\/{\u79d2\u6570}  - \u5ef6\u8fdf\u54cd\u5e94\u6d4b\u8bd5")\nprint("  \/concurrent\/{\u6570\u91cf} - \u5e76\u53d1\u6d4b\u8bd5")\nprint("  \/status        - \u670d\u52a1\u5668\u72b6\u6001")\nprint("\/n\u6309 Ctrl+C \u505c\u6b62\u670d\u52a1\u5668")\n\n# \u8fd0\u884c\u670d\u52a1\u5668\nweb.run_app(init_app(), port=8080)<\/code><\/pre>\n
                7.3 \u5e94\u7528\u573a\u666f<\/h4>\n
                \u5f02\u6b65Web\u670d\u52a1\u5668\u9002\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n