{"id":1921,"date":"2020-07-29T18:40:30","date_gmt":"2020-07-29T10:40:30","guid":{"rendered":"http:\/\/39.97.231.10\/?p=1921"},"modified":"2020-07-29T18:40:30","modified_gmt":"2020-07-29T10:40:30","slug":"python%e8%bf%9b%e7%a8%8b%e5%92%8c%e7%ba%bf%e7%a8%8b%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/www.weijing.co\/?p=1921","title":{"rendered":"Python\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u8be6\u89e3"},"content":{"rendered":"<h1>\u8fdb\u7a0b\u548c\u7ebf\u7a0b<\/h1>\n<article>\u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u6765\u8bf4\uff0c\u4e00\u4e2a\u4efb\u52a1\u5c31\u662f\u4e00\u4e2a\u8fdb\u7a0b\uff08Process\uff09\uff0c\u6bd4\u5982\u6253\u5f00\u4e00\u4e2a\u6d4f\u89c8\u5668\u5c31\u662f\u542f\u52a8\u4e00\u4e2a\u6d4f\u89c8\u5668\u8fdb\u7a0b\uff0c\u6253\u5f00\u4e00\u4e2a\u8bb0\u4e8b\u672c\u5c31\u542f\u52a8\u4e86\u4e00\u4e2a\u8bb0\u4e8b\u672c\u8fdb\u7a0b\uff0c\u6253\u5f00\u4e24\u4e2a\u8bb0\u4e8b\u672c\u5c31\u542f\u52a8\u4e86\u4e24\u4e2a\u8bb0\u4e8b\u672c\u8fdb\u7a0b\u3002<br \/>\n\u6709\u4e9b\u8fdb\u7a0b\u8fd8\u4e0d\u6b62\u540c\u65f6\u5e72\u4e00\u4ef6\u4e8b\uff0c\u6bd4\u5982Word\uff0c\u5b83\u53ef\u4ee5\u540c\u65f6\u8fdb\u884c\u6253\u5b57\u3001\u62fc\u5199\u68c0\u67e5\u7b49\u4e8b\u60c5\u3002\u5728\u4e00\u4e2a\u8fdb\u7a0b\u5185\u90e8\uff0c\u8981\u540c\u65f6\u5e72\u591a\u4ef6\u4e8b\uff0c\u5c31\u9700\u8981\u540c\u65f6\u8fd0\u884c\u591a\u4e2a\u201c\u5b50\u4efb\u52a1\u201d\uff0c\u6211\u4eec\u628a\u8fdb\u7a0b\u5185\u7684\u8fd9\u4e9b\u201c\u5b50\u4efb\u52a1\u201d\u79f0\u4e3a\u7ebf\u7a0b\uff08Thread\uff09\u3002<br \/>\n\u7531\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u81f3\u5c11\u8981\u5e72\u4e00\u4ef6\u4e8b\uff0c\u6240\u4ee5\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u81f3\u5c11\u6709\u4e00\u4e2a\u7ebf\u7a0b\u3002\u5f53\u7136\uff0c\u50cfWord\u8fd9\u79cd\u590d\u6742\u7684\u8fdb\u7a0b\u53ef\u4ee5\u6709\u591a\u4e2a\u7ebf\u7a0b\uff0c\u591a\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u540c\u65f6\u6267\u884c\u3002\u591a\u7ebf\u7a0b\u7684\u6267\u884c\u65b9\u5f0f\u548c\u591a\u8fdb\u7a0b\u662f\u4e00\u6837\u7684\uff0c\u4e5f\u662f\u7531\u64cd\u4f5c\u7cfb\u7edf\u5728\u591a\u4e2a\u7ebf\u7a0b\u4e4b\u95f4\u5feb\u901f\u5207\u6362\uff0c\u8ba9\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u77ed\u6682\u5730\u4ea4\u66ff\u8fd0\u884c\uff0c\u770b\u8d77\u6765\u5c31\u50cf\u540c\u65f6\u6267\u884c\u4e00\u6837\u3002\u5f53\u7136\uff0c\u771f\u6b63\u5730\u540c\u65f6\u6267\u884c\u591a\u7ebf\u7a0b\u9700\u8981\u591a\u6838CPU\u624d\u53ef\u80fd\u5b9e\u73b0\u3002<br \/>\n\u540c\u65f6\u6267\u884c\u591a\u4e2a\u4efb\u52a1\u901a\u5e38\u5404\u4e2a\u4efb\u52a1\u4e4b\u95f4\u5e76\u4e0d\u662f\u6ca1\u6709\u5173\u8054\u7684\uff0c\u800c\u662f\u9700\u8981\u76f8\u4e92\u901a\u4fe1\u548c\u534f\u8c03\u3002\u7ebf\u7a0b\u662f\u6700\u5c0f\u7684\u6267\u884c\u5355\u5143\uff0c\u800c\u8fdb\u7a0b\u7531\u81f3\u5c11\u4e00\u4e2a\u7ebf\u7a0b\u7ec4\u6210\u3002\u5982\u4f55\u8c03\u5ea6\u8fdb\u7a0b\u548c\u7ebf\u7a0b\uff0c\u5b8c\u5168\u7531\u64cd\u4f5c\u7cfb\u7edf\u51b3\u5b9a\uff0c\u7a0b\u5e8f\u81ea\u5df1\u4e0d\u80fd\u51b3\u5b9a\u4ec0\u4e48\u65f6\u5019\u6267\u884c\uff0c\u6267\u884c\u591a\u957f\u65f6\u95f4\u3002<br \/>\n\u591a\u8fdb\u7a0b\u548c\u591a\u7ebf\u7a0b\u7684\u7a0b\u5e8f\u8fd8\u6d89\u53ca\u5230\u540c\u6b65\u3001\u6570\u636e\u5171\u4eab\u7684\u95ee\u9898\uff0c\u7f16\u5199\u8d77\u6765\u66f4\u590d\u6742\u3002<br \/>\n\u591a\u4efb\u52a1\u7684\u5b9e\u73b0\u67093\u79cd\u65b9\u5f0f\uff1a<\/p>\n<ul>\n<li>\u591a\u8fdb\u7a0b\u6a21\u5f0f\uff1b<\/li>\n<li>\u591a\u7ebf\u7a0b\u6a21\u5f0f\uff1b<\/li>\n<li>\u591a\u8fdb\u7a0b+\u591a\u7ebf\u7a0b\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n<p>Python\u65e2\u652f\u6301\u591a\u8fdb\u7a0b\uff0c\u53c8\u652f\u6301\u591a\u7ebf\u7a0b\uff0c\u7a0d\u540e\u6211\u4eec\u4f1a\u8ba8\u8bba\u5982\u4f55\u7f16\u5199\u8fd9\u4e24\u79cd\u591a\u4efb\u52a1\u7a0b\u5e8f\u3002<\/p>\n<h2>\u591a\u8fdb\u7a0b<\/h2>\n<p>Python\u7684os\u6a21\u5757\u5c01\u88c5\u4e86\u5e38\u89c1\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u53ef\u4ee5\u5728Python\u7a0b\u5e8f\u4e2d\u5229\u7528\u8f7b\u677e\u521b\u5efa\u5b50\u8fdb\u7a0b\uff1a<\/p>\n<div>\n<pre>import os\nprint(\\'Process (%s) start...\\' % os.getpid())\n# Only works on Unix\/Linux\/Mac:\npid = os.fork()\nif pid == 0:\n    print(\\'I am child process (%s) and my parent is %s.\\' % (os.getpid(), os.getppid()))\nelse:\n    print(\\'I (%s) just created a child process (%s).\\' % (os.getpid(), pid))\n<\/pre>\n<\/div>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div>\n<pre>Process (876) start...\nI (876) just created a child process (877).\nI am child process (877) and my parent is 876.\n<\/pre>\n<\/div>\n<p>\u7531\u4e8eWindows\u6ca1\u6709fork\u8c03\u7528\uff0c\u4e0a\u9762\u7684\u4ee3\u7801\u5728Windows\u4e0a\u65e0\u6cd5\u8fd0\u884c\u3002<br \/>\n\u6709\u4e86fork\u8c03\u7528\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u5728\u63a5\u5230\u65b0\u4efb\u52a1\u65f6\u5c31\u53ef\u4ee5\u590d\u5236\u51fa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u6765\u5904\u7406\u65b0\u4efb\u52a1\uff0c\u5e38\u89c1\u7684Apache\u670d\u52a1\u5668\u5c31\u662f\u7531\u7236\u8fdb\u7a0b\u76d1\u542c\u7aef\u53e3\uff0c\u6bcf\u5f53\u6709\u65b0\u7684http\u8bf7\u6c42\u65f6\uff0c\u5c31fork\u51fa\u5b50\u8fdb\u7a0b\u6765\u5904\u7406\u65b0\u7684http\u8bf7\u6c42\u3002<\/p>\n<h3>multiprocessing<\/h3>\n<p>\u7531\u4e8ePython\u662f\u8de8\u5e73\u53f0\u7684\uff0c\u81ea\u7136\u4e5f\u5e94\u8be5\u63d0\u4f9b\u4e00\u4e2a\u8de8\u5e73\u53f0\u7684\u591a\u8fdb\u7a0b\u652f\u6301\u3002multiprocessing\u6a21\u5757\u5c31\u662f\u8de8\u5e73\u53f0\u7248\u672c\u7684\u591a\u8fdb\u7a0b\u6a21\u5757\u3002<br \/>\nmultiprocessing\u6a21\u5757\u63d0\u4f9b\u4e86\u4e00\u4e2aProcess\u7c7b\u6765\u4ee3\u8868\u4e00\u4e2a\u8fdb\u7a0b\u5bf9\u8c61\uff0c\u4e0b\u9762\u7684\u4f8b\u5b50\u6f14\u793a\u4e86\u542f\u52a8\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u5e76\u7b49\u5f85\u5176\u7ed3\u675f\uff1a<\/p>\n<div>\n<pre>from multiprocessing import Process\nimport os\n# \u5b50\u8fdb\u7a0b\u8981\u6267\u884c\u7684\u4ee3\u7801\ndef run_proc(name):\n    print(\\'Run child process %s (%s)...\\' % (name, os.getpid()))\nif __name__==\\'__main__\\':\n    print(\\'Parent process %s.\\' % os.getpid())\n    p = Process(target=run_proc, args=(\\'test\\',))\n    print(\\'Child process will start.\\')\n    p.start()\n    p.join()\n    print(\\'Child process end.\\')\n<\/pre>\n<\/div>\n<p>\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div>\n<pre>Parent process 928.\nChild process will start.\nRun child process test (929)...\nProcess end.\n<\/pre>\n<\/div>\n<p>\u521b\u5efa\u5b50\u8fdb\u7a0b\u65f6\uff0c\u53ea\u9700\u8981\u4f20\u5165\u4e00\u4e2a\u6267\u884c\u51fd\u6570\u548c\u51fd\u6570\u7684\u53c2\u6570\uff0c\u521b\u5efa\u4e00\u4e2aProcess\u5b9e\u4f8b\uff0c\u7528start()\u65b9\u6cd5\u542f\u52a8\uff0c\u8fd9\u6837\u521b\u5efa\u8fdb\u7a0b\u6bd4fork()\u8fd8\u8981\u7b80\u5355\u3002<br \/>\njoin()\u65b9\u6cd5\u53ef\u4ee5\u7b49\u5f85\u5b50\u8fdb\u7a0b\u7ed3\u675f\u540e\u518d\u7ee7\u7eed\u5f80\u4e0b\u8fd0\u884c\uff0c\u901a\u5e38\u7528\u4e8e\u8fdb\u7a0b\u95f4\u7684\u540c\u6b65\u3002<\/p>\n<h3>Pool<\/h3>\n<p>\u5982\u679c\u8981\u542f\u52a8\u5927\u91cf\u7684\u5b50\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u7528\u8fdb\u7a0b\u6c60\u7684\u65b9\u5f0f\u6279\u91cf\u521b\u5efa\u5b50\u8fdb\u7a0b\uff1a<\/p>\n<div>\n<pre>from multiprocessing import Pool\nimport os, time, random\ndef long_time_task(name):\n    print(\\'Run task %s (%s)...\\' % (name, os.getpid()))\n    start = time.time()\n    time.sleep(random.random() * 3)\n    end = time.time()\n    print(\\'Task %s runs %0.2f seconds.\\' % (name, (end - start)))\nif __name__==\\'__main__\\':\n    print(\\'Parent process %s.\\' % os.getpid())\n    p = Pool(4)\n    for i in range(5):\n        p.apply_async(long_time_task, args=(i,))\n    print(\\'Waiting for all subprocesses done...\\')\n    p.close()\n    p.join()\n    print(\\'All subprocesses done.\\')\n<\/pre>\n<\/div>\n<p>\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div>\n<pre>Parent process 669.\nWaiting for all subprocesses done...\nRun task 0 (671)...\nRun task 1 (672)...\nRun task 2 (673)...\nRun task 3 (674)...\nTask 2 runs 0.14 seconds.\nRun task 4 (673)...\nTask 1 runs 0.27 seconds.\nTask 3 runs 0.86 seconds.\nTask 0 runs 1.41 seconds.\nTask 4 runs 1.91 seconds.\nAll subprocesses done.\n<\/pre>\n<\/div>\n<p>\u4ee3\u7801\u89e3\u8bfb\uff1a<br \/>\n\u5bf9Pool\u5bf9\u8c61\u8c03\u7528join()\u65b9\u6cd5\u4f1a\u7b49\u5f85\u6240\u6709\u5b50\u8fdb\u7a0b\u6267\u884c\u5b8c\u6bd5\uff0c\u8c03\u7528join()\u4e4b\u524d\u5fc5\u987b\u5148\u8c03\u7528close()\uff0c\u8c03\u7528close()\u4e4b\u540e\u5c31\u4e0d\u80fd\u7ee7\u7eed\u6dfb\u52a0\u65b0\u7684Process\u4e86\u3002<br \/>\nPool\u7684\u9ed8\u8ba4\u5927\u5c0f\u662fCPU\u7684\u6838\u6570\u3002<\/p>\n<h3>\u5b50\u8fdb\u7a0b<\/h3>\n<p>subprocess\u6a21\u5757\u53ef\u4ee5\u8ba9\u6211\u4eec\u975e\u5e38\u65b9\u4fbf\u5730\u542f\u52a8\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u7136\u540e\u63a7\u5236\u5176\u8f93\u5165\u548c\u8f93\u51fa\u3002<br \/>\n\u4e0b\u9762\u7684\u4f8b\u5b50\u6f14\u793a\u4e86\u5982\u4f55\u5728Python\u4ee3\u7801\u4e2d\u8fd0\u884c\u547d\u4ee4nslookup www.python.org\uff0c\u8fd9\u548c\u547d\u4ee4\u884c\u76f4\u63a5\u8fd0\u884c\u7684\u6548\u679c\u662f\u4e00\u6837\u7684\uff1a<\/p>\n<div>\n<pre>import subprocess\nprint(\\'$ nslookup www.python.org\\')\nr = subprocess.call([\\'nslookup\\', \\'www.python.org\\'])\nprint(\\'Exit code:\\', r)\n<\/pre>\n<\/div>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<div>\n<pre>$ nslookup www.python.org\nServer:     192.168.19.4\nAddress:    192.168.19.4#53\nNon-authoritative answer:\nwww.python.org  canonical name = python.map.fastly.net.\nName:   python.map.fastly.net\nAddress: 199.27.79.223\nExit code: 0\n<\/pre>\n<\/div>\n<p>\u5982\u679c\u5b50\u8fdb\u7a0b\u8fd8\u9700\u8981\u8f93\u5165\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7communicate()\u65b9\u6cd5\u8f93\u5165\uff1a<\/p>\n<div>\n<pre>import subprocess\nprint(\\'$ nslookup\\')\np = subprocess.Popen([\\'nslookup\\'], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)\noutput, err = p.communicate(b\\'set q=mx\\\\npython.org\\\\nexit\\\\n\\')\nprint(output.decode(\\'utf-8\\'))\nprint(\\'Exit code:\\', p.returncode)\n<\/pre>\n<\/div>\n<p>\u4e0a\u9762\u7684\u4ee3\u7801\u76f8\u5f53\u4e8e\u5728\u547d\u4ee4\u884c\u6267\u884c\u547d\u4ee4nslookup\uff0c\u7136\u540e\u624b\u52a8\u8f93\u5165\uff1a<\/p>\n<div>\n<pre>set q=mx\npython.org\nexit\n<\/pre>\n<\/div>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div>\n<pre>$ nslookup\nServer:     192.168.19.4\nAddress:    192.168.19.4#53\nNon-authoritative answer:\npython.org  mail exchanger = 50 mail.python.org.\nAuthoritative answers can be found from:\nmail.python.org internet address = 82.94.164.166\nmail.python.org has AAAA address 2001:888:2000:d::a6\nExit code: 0\n<\/pre>\n<\/div>\n<h3>\u8fdb\u7a0b\u95f4\u901a\u4fe1<\/h3>\n<p>Process\u4e4b\u95f4\u80af\u5b9a\u662f\u9700\u8981\u901a\u4fe1\u7684\u3002Python\u7684multiprocessing\u6a21\u5757\u5305\u88c5\u4e86\u5e95\u5c42\u7684\u673a\u5236\uff0c\u63d0\u4f9b\u4e86Queue\u3001Pipes\u7b49\u591a\u79cd\u65b9\u5f0f\u6765\u4ea4\u6362\u6570\u636e\u3002<br \/>\n\u6211\u4eec\u4ee5Queue\u4e3a\u4f8b\uff0c\u5728\u7236\u8fdb\u7a0b\u4e2d\u521b\u5efa\u4e24\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u4e00\u4e2a\u5f80Queue\u91cc\u5199\u6570\u636e\uff0c\u4e00\u4e2a\u4eceQueue\u91cc\u8bfb\u6570\u636e\uff1a<\/p>\n<div>\n<pre>from multiprocessing import Process, Queue\nimport os, time, random\n# \u5199\u6570\u636e\u8fdb\u7a0b\u6267\u884c\u7684\u4ee3\u7801:\ndef write(q):\n    print(\\'Process to write: %s\\' % os.getpid())\n    for value in [\\'A\\', \\'B\\', \\'C\\']:\n        print(\\'Put %s to queue...\\' % value)\n        q.put(value)\n        time.sleep(random.random())\n# \u8bfb\u6570\u636e\u8fdb\u7a0b\u6267\u884c\u7684\u4ee3\u7801:\ndef read(q):\n    print(\\'Process to read: %s\\' % os.getpid())\n    while True:\n        value = q.get(True)\n        print(\\'Get %s from queue.\\' % value)\nif __name__==\\'__main__\\':\n    # \u7236\u8fdb\u7a0b\u521b\u5efaQueue\uff0c\u5e76\u4f20\u7ed9\u5404\u4e2a\u5b50\u8fdb\u7a0b\uff1a\n    q = Queue()\n    pw = Process(target=write, args=(q,))\n    pr = Process(target=read, args=(q,))\n    # \u542f\u52a8\u5b50\u8fdb\u7a0bpw\uff0c\u5199\u5165:\n    pw.start()\n    # \u542f\u52a8\u5b50\u8fdb\u7a0bpr\uff0c\u8bfb\u53d6:\n    pr.start()\n    # \u7b49\u5f85pw\u7ed3\u675f:\n    pw.join()\n    # pr\u8fdb\u7a0b\u91cc\u662f\u6b7b\u5faa\u73af\uff0c\u65e0\u6cd5\u7b49\u5f85\u5176\u7ed3\u675f\uff0c\u53ea\u80fd\u5f3a\u884c\u7ec8\u6b62:\n    pr.terminate()\n<\/pre>\n<\/div>\n<p>\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div>\n<pre>Process to write: 50563\nPut A to queue...\nProcess to read: 50564\nGet A from queue.\nPut B to queue...\nGet B from queue.\nPut C to queue...\nGet C from queue.\n<\/pre>\n<\/div>\n<p>\u5728Unix\/Linux\u4e0b\uff0cmultiprocessing\u6a21\u5757\u5c01\u88c5\u4e86fork()\u8c03\u7528\uff0c\u4f7f\u6211\u4eec\u4e0d\u9700\u8981\u5173\u6ce8fork()\u7684\u7ec6\u8282\u3002\u7531\u4e8eWindows\u6ca1\u6709fork\u8c03\u7528\uff0c\u56e0\u6b64\uff0cmultiprocessing\u9700\u8981\u201c\u6a21\u62df\u201d\u51fafork\u7684\u6548\u679c\uff0c\u7236\u8fdb\u7a0b\u6240\u6709Python\u5bf9\u8c61\u90fd\u5fc5\u987b\u901a\u8fc7pickle\u5e8f\u5217\u5316\u518d\u4f20\u5230\u5b50\u8fdb\u7a0b\u53bb\uff0c\u6240\u4ee5\uff0c\u5982\u679cmultiprocessing\u5728Windows\u4e0b\u8c03\u7528\u5931\u8d25\u4e86\uff0c\u8981\u5148\u8003\u8651\u662f\u4e0d\u662fpickle\u5931\u8d25\u4e86\u3002<\/p>\n<h2>\u591a\u7ebf\u7a0b<\/h2>\n<p>\u591a\u4efb\u52a1\u53ef\u4ee5\u7531\u591a\u8fdb\u7a0b\u5b8c\u6210\uff0c\u4e5f\u53ef\u4ee5\u7531\u4e00\u4e2a\u8fdb\u7a0b\u5185\u7684\u591a\u7ebf\u7a0b\u5b8c\u6210\u3002<br \/>\n\u8fdb\u7a0b\u662f\u7531\u82e5\u5e72\u7ebf\u7a0b\u7ec4\u6210\u7684\uff0c\u4e00\u4e2a\u8fdb\u7a0b\u81f3\u5c11\u6709\u4e00\u4e2a\u7ebf\u7a0b\u3002<br \/>\n\u542f\u52a8\u4e00\u4e2a\u7ebf\u7a0b\u5c31\u662f\u628a\u4e00\u4e2a\u51fd\u6570\u4f20\u5165\u5e76\u521b\u5efaThread\u5b9e\u4f8b\uff0c\u7136\u540e\u8c03\u7528start()\u5f00\u59cb\u6267\u884c\uff1a<\/p>\n<div>\n<pre>import time, threading\n# \u65b0\u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801:\ndef loop():\n    print(\\'thread %s is running...\\' % threading.current_thread().name)\n    n = 0\n    while n &lt; 5:\n        n = n + 1\n        print(\\'thread %s &gt;&gt;&gt; %s\\' % (threading.current_thread().name, n))\n        time.sleep(1)\n    print(\\'thread %s ended.\\' % threading.current_thread().name)\nprint(\\'thread %s is running...\\' % threading.current_thread().name)\nt = threading.Thread(target=loop, name=\\'LoopThread\\')\nt.start()\nt.join()\nprint(\\'thread %s ended.\\' % threading.current_thread().name)\n<\/pre>\n<\/div>\n<p>\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<div>\n<pre>thread MainThread is running...\nthread LoopThread is running...\nthread LoopThread &gt;&gt;&gt; 1\nthread LoopThread &gt;&gt;&gt; 2\nthread LoopThread &gt;&gt;&gt; 3\nthread LoopThread &gt;&gt;&gt; 4\nthread LoopThread &gt;&gt;&gt; 5\nthread LoopThread ended.\nthread MainThread ended.\n<\/pre>\n<\/div>\n<p>\u7531\u4e8e\u4efb\u4f55\u8fdb\u7a0b\u9ed8\u8ba4\u5c31\u4f1a\u542f\u52a8\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u6211\u4eec\u628a\u8be5\u7ebf\u7a0b\u79f0\u4e3a\u4e3b\u7ebf\u7a0b\uff0c\u4e3b\u7ebf\u7a0b\u53c8\u53ef\u4ee5\u542f\u52a8\u65b0\u7684\u7ebf\u7a0b\uff0cPython\u7684threading\u6a21\u5757\u6709\u4e2acurrent_thread()\u51fd\u6570\uff0c\u5b83\u6c38\u8fdc\u8fd4\u56de\u5f53\u524d\u7ebf\u7a0b\u7684\u5b9e\u4f8b\u3002\u4e3b\u7ebf\u7a0b\u5b9e\u4f8b\u7684\u540d\u5b57\u53ebMainThread\uff0c\u5b50\u7ebf\u7a0b\u7684\u540d\u5b57\u5728\u521b\u5efa\u65f6\u6307\u5b9a\uff0c\u6211\u4eec\u7528LoopThread\u547d\u540d\u5b50\u7ebf\u7a0b\u3002\u540d\u5b57\u4ec5\u4ec5\u5728\u6253\u5370\u65f6\u7528\u6765\u663e\u793a\uff0c\u5b8c\u5168\u6ca1\u6709\u5176\u4ed6\u610f\u4e49\uff0c\u5982\u679c\u4e0d\u8d77\u540d\u5b57Python\u5c31\u81ea\u52a8\u7ed9\u7ebf\u7a0b\u547d\u540d\u4e3aThread-1\uff0cThread-2\u2026\u2026<\/p>\n<h3>Lock<\/h3>\n<p>\u591a\u7ebf\u7a0b\u548c\u591a\u8fdb\u7a0b\u6700\u5927\u7684\u4e0d\u540c\u5728\u4e8e\uff0c\u591a\u8fdb\u7a0b\u4e2d\uff0c\u540c\u4e00\u4e2a\u53d8\u91cf\uff0c\u5404\u81ea\u6709\u4e00\u4efd\u62f7\u8d1d\u5b58\u5728\u4e8e\u6bcf\u4e2a\u8fdb\u7a0b\u4e2d\uff0c\u4e92\u4e0d\u5f71\u54cd\uff0c\u800c\u591a\u7ebf\u7a0b\u4e2d\uff0c\u6240\u6709\u53d8\u91cf\u90fd\u7531\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\uff0c\u6240\u4ee5\uff0c\u4efb\u4f55\u4e00\u4e2a\u53d8\u91cf\u90fd\u53ef\u4ee5\u88ab\u4efb\u4f55\u4e00\u4e2a\u7ebf\u7a0b\u4fee\u6539\uff0c\u56e0\u6b64\uff0c\u7ebf\u7a0b\u4e4b\u95f4\u5171\u4eab\u6570\u636e\u6700\u5927\u7684\u5371\u9669\u5728\u4e8e\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6539\u4e00\u4e2a\u53d8\u91cf\uff0c\u628a\u5185\u5bb9\u7ed9\u6539\u4e71\u4e86\u3002<br \/>\n\u6765\u770b\u770b\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u64cd\u4f5c\u4e00\u4e2a\u53d8\u91cf\u600e\u4e48\u628a\u5185\u5bb9\u7ed9\u6539\u4e71\u4e86\uff1a<\/p>\n<div>\n<pre>def change_it(n):\n    # \u5148\u5b58\u540e\u53d6\uff0c\u7ed3\u679c\u5e94\u8be5\u4e3a0:\n    global balance\n    balance = balance + n\n    balance = balance - n\n<\/pre>\n<\/div>\n<p>\u56e0\u4e3a\u9ad8\u7ea7\u8bed\u8a00\u7684\u4e00\u6761\u8bed\u53e5\u5728CPU\u6267\u884c\u65f6\u662f\u82e5\u5e72\u6761\u8bed\u53e5\uff0c\u5373\u4f7f\u4e00\u4e2a\u7b80\u5355\u7684\u8ba1\u7b97\uff1a<\/p>\n<div>\n<pre>balance = balance + n\n<\/pre>\n<\/div>\n<p>\u4e5f\u5206\u4e24\u6b65\uff1a<\/p>\n<div>\n<pre>x = balance + n\nbalance = x\n<\/pre>\n<\/div>\n<p>\u7a76\u5176\u539f\u56e0\uff0c\u662f\u56e0\u4e3a\u4fee\u6539balance\u9700\u8981\u591a\u6761\u8bed\u53e5\uff0c\u800c\u6267\u884c\u8fd9\u51e0\u6761\u8bed\u53e5\u65f6\uff0c\u7ebf\u7a0b\u53ef\u80fd\u4e2d\u65ad\uff0c\u4ece\u800c\u5bfc\u81f4\u591a\u4e2a\u7ebf\u7a0b\u628a\u540c\u4e00\u4e2a\u5bf9\u8c61\u7684\u5185\u5bb9\u6539\u4e71\u4e86\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5fc5\u987b\u786e\u4fdd\u4e00\u4e2a\u7ebf\u7a0b\u5728\u4fee\u6539balance\u7684\u65f6\u5019\uff0c\u522b\u7684\u7ebf\u7a0b\u4e00\u5b9a\u4e0d\u80fd\u6539\u3002<br \/>\n\u5982\u679c\u6211\u4eec\u8981\u786e\u4fddbalance\u8ba1\u7b97\u6b63\u786e\uff0c\u5c31\u8981\u7ed9change_it()\u4e0a\u4e00\u628a\u9501\uff0c\u5f53\u67d0\u4e2a\u7ebf\u7a0b\u5f00\u59cb\u6267\u884cchange_it()\u65f6\uff0c\u6211\u4eec\u8bf4\uff0c\u8be5\u7ebf\u7a0b\u56e0\u4e3a\u83b7\u5f97\u4e86\u9501\uff0c\u56e0\u6b64\u5176\u4ed6\u7ebf\u7a0b\u4e0d\u80fd\u540c\u65f6\u6267\u884c\uff0c\u53ea\u80fd\u7b49\u5f85\uff0c\u76f4\u5230\u9501\u88ab\u91ca\u653e\u540e\uff0c\u83b7\u5f97\u8be5\u9501\u4ee5\u540e\u624d\u80fd\u6539\u3002\u7531\u4e8e\u9501\u53ea\u6709\u4e00\u4e2a\uff0c\u65e0\u8bba\u591a\u5c11\u7ebf\u7a0b\uff0c\u540c\u4e00\u65f6\u523b\u6700\u591a\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6301\u6709\u8be5\u9501\uff0c\u6240\u4ee5\uff0c\u4e0d\u4f1a\u9020\u6210\u4fee\u6539\u7684\u51b2\u7a81\u3002\u521b\u5efa\u4e00\u4e2a\u9501\u5c31\u662f\u901a\u8fc7threading.Lock()\u6765\u5b9e\u73b0\uff1a<\/p>\n<div>\n<pre>balance = 0\nlock = threading.Lock()\ndef run_thread(n):\n    for i in range(100000):\n        # \u5148\u8981\u83b7\u53d6\u9501:\n        lock.acquire()\n        try:\n            # \u653e\u5fc3\u5730\u6539\u5427:\n            change_it(n)\n        finally:\n            # \u6539\u5b8c\u4e86\u4e00\u5b9a\u8981\u91ca\u653e\u9501:\n            lock.release()\n<\/pre>\n<\/div>\n<p>\u5f53\u591a\u4e2a\u7ebf\u7a0b\u540c\u65f6\u6267\u884clock.acquire()\u65f6\uff0c\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u6210\u529f\u5730\u83b7\u53d6\u9501\uff0c\u7136\u540e\u7ee7\u7eed\u6267\u884c\u4ee3\u7801\uff0c\u5176\u4ed6\u7ebf\u7a0b\u5c31\u7ee7\u7eed\u7b49\u5f85\u76f4\u5230\u83b7\u5f97\u9501\u4e3a\u6b62\u3002<br \/>\n\u83b7\u5f97\u9501\u7684\u7ebf\u7a0b\u7528\u5b8c\u540e\u4e00\u5b9a\u8981\u91ca\u653e\u9501\uff0c\u5426\u5219\u90a3\u4e9b\u82e6\u82e6\u7b49\u5f85\u9501\u7684\u7ebf\u7a0b\u5c06\u6c38\u8fdc\u7b49\u5f85\u4e0b\u53bb\uff0c\u6210\u4e3a\u6b7b\u7ebf\u7a0b\u3002\u6240\u4ee5\u6211\u4eec\u7528try&#8230;finally\u6765\u786e\u4fdd\u9501\u4e00\u5b9a\u4f1a\u88ab\u91ca\u653e\u3002<br \/>\n\u9501\u7684\u597d\u5904\u5c31\u662f\u786e\u4fdd\u4e86\u67d0\u6bb5\u5173\u952e\u4ee3\u7801\u53ea\u80fd\u7531\u4e00\u4e2a\u7ebf\u7a0b\u4ece\u5934\u5230\u5c3e\u5b8c\u6574\u5730\u6267\u884c\uff0c\u574f\u5904\u5f53\u7136\u4e5f\u5f88\u591a\uff0c\u9996\u5148\u662f\u963b\u6b62\u4e86\u591a\u7ebf\u7a0b\u5e76\u53d1\u6267\u884c\uff0c\u5305\u542b\u9501\u7684\u67d0\u6bb5\u4ee3\u7801\u5b9e\u9645\u4e0a\u53ea\u80fd\u4ee5\u5355\u7ebf\u7a0b\u6a21\u5f0f\u6267\u884c\uff0c\u6548\u7387\u5c31\u5927\u5927\u5730\u4e0b\u964d\u4e86\u3002\u5176\u6b21\uff0c\u7531\u4e8e\u53ef\u4ee5\u5b58\u5728\u591a\u4e2a\u9501\uff0c\u4e0d\u540c\u7684\u7ebf\u7a0b\u6301\u6709\u4e0d\u540c\u7684\u9501\uff0c\u5e76\u8bd5\u56fe\u83b7\u53d6\u5bf9\u65b9\u6301\u6709\u7684\u9501\u65f6\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6b7b\u9501\uff0c\u5bfc\u81f4\u591a\u4e2a\u7ebf\u7a0b\u5168\u90e8\u6302\u8d77\uff0c\u65e2\u4e0d\u80fd\u6267\u884c\uff0c\u4e5f\u65e0\u6cd5\u7ed3\u675f\uff0c\u53ea\u80fd\u9760\u64cd\u4f5c\u7cfb\u7edf\u5f3a\u5236\u7ec8\u6b62\u3002<\/p>\n<h3>\u591a\u6838CPU<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u76d1\u63a7\u5230\u4e00\u4e2a\u6b7b\u5faa\u73af\u7ebf\u7a0b\u4f1a100%\u5360\u7528\u4e00\u4e2aCPU\u3002<br \/>\n\u5982\u679c\u6709\u4e24\u4e2a\u6b7b\u5faa\u73af\u7ebf\u7a0b\uff0c\u5728\u591a\u6838CPU\u4e2d\uff0c\u53ef\u4ee5\u76d1\u63a7\u5230\u4f1a\u5360\u7528200%\u7684CPU\uff0c\u4e5f\u5c31\u662f\u5360\u7528\u4e24\u4e2aCPU\u6838\u5fc3\u3002<br \/>\n\u8981\u60f3\u628aN\u6838CPU\u7684\u6838\u5fc3\u5168\u90e8\u8dd1\u6ee1\uff0c\u5c31\u5fc5\u987b\u542f\u52a8N\u4e2a\u6b7b\u5faa\u73af\u7ebf\u7a0b\u3002<br \/>\n\u8bd5\u8bd5\u7528Python\u5199\u4e2a\u6b7b\u5faa\u73af\uff1a<\/p>\n<div>\n<pre>import threading, multiprocessing\ndef loop():\n    x = 0\n    while True:\n        x = x ^ 1\nfor i in range(multiprocessing.cpu_count()):\n    t = threading.Thread(target=loop)\n    t.start()\n<\/pre>\n<\/div>\n<p>\u542f\u52a8\u4e0eCPU\u6838\u5fc3\u6570\u91cf\u76f8\u540c\u7684N\u4e2a\u7ebf\u7a0b\uff0c\u57284\u6838CPU\u4e0a\u53ef\u4ee5\u76d1\u63a7\u5230CPU\u5360\u7528\u7387\u4ec5\u6709102%\uff0c\u4e5f\u5c31\u662f\u4ec5\u4f7f\u7528\u4e86\u4e00\u6838\u3002<br \/>\n\u4f46\u662f\u7528C\u3001C++\u6216Java\u6765\u6539\u5199\u76f8\u540c\u7684\u6b7b\u5faa\u73af\uff0c\u76f4\u63a5\u53ef\u4ee5\u628a\u5168\u90e8\u6838\u5fc3\u8dd1\u6ee1\uff0c4\u6838\u5c31\u8dd1\u5230400%\uff0c8\u6838\u5c31\u8dd1\u5230800%\uff0c\u4e3a\u4ec0\u4e48Python\u4e0d\u884c\u5462\uff1f<br \/>\n\u56e0\u4e3aPython\u7684\u7ebf\u7a0b\u867d\u7136\u662f\u771f\u6b63\u7684\u7ebf\u7a0b\uff0c\u4f46\u89e3\u91ca\u5668\u6267\u884c\u4ee3\u7801\u65f6\uff0c\u6709\u4e00\u4e2aGIL\u9501\uff1aGlobal Interpreter Lock\uff0c\u4efb\u4f55Python\u7ebf\u7a0b\u6267\u884c\u524d\uff0c\u5fc5\u987b\u5148\u83b7\u5f97GIL\u9501\uff0c\u7136\u540e\uff0c\u6bcf\u6267\u884c100\u6761\u5b57\u8282\u7801\uff0c\u89e3\u91ca\u5668\u5c31\u81ea\u52a8\u91ca\u653eGIL\u9501\uff0c\u8ba9\u522b\u7684\u7ebf\u7a0b\u6709\u673a\u4f1a\u6267\u884c\u3002\u8fd9\u4e2aGIL\u5168\u5c40\u9501\u5b9e\u9645\u4e0a\u628a\u6240\u6709\u7ebf\u7a0b\u7684\u6267\u884c\u4ee3\u7801\u90fd\u7ed9\u4e0a\u4e86\u9501\uff0c\u6240\u4ee5\uff0c\u591a\u7ebf\u7a0b\u5728Python\u4e2d\u53ea\u80fd\u4ea4\u66ff\u6267\u884c\uff0c\u5373\u4f7f100\u4e2a\u7ebf\u7a0b\u8dd1\u5728100\u6838CPU\u4e0a\uff0c\u4e5f\u53ea\u80fd\u7528\u52301\u4e2a\u6838\u3002<br \/>\n\u6240\u4ee5\uff0c\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7ebf\u7a0b\uff0c\u4f46\u4e0d\u8981\u6307\u671b\u80fd\u6709\u6548\u5229\u7528\u591a\u6838\u3002<br \/>\n\u4e0d\u8fc7\uff0c\u4e5f\u4e0d\u7528\u8fc7\u4e8e\u62c5\u5fc3\uff0cPython\u867d\u7136\u4e0d\u80fd\u5229\u7528\u591a\u7ebf\u7a0b\u5b9e\u73b0\u591a\u6838\u4efb\u52a1\uff0c\u4f46\u53ef\u4ee5\u901a\u8fc7\u591a\u8fdb\u7a0b\u5b9e\u73b0\u591a\u6838\u4efb\u52a1\u3002\u591a\u4e2aPython\u8fdb\u7a0b\u6709\u5404\u81ea\u72ec\u7acb\u7684GIL\u9501\uff0c\u4e92\u4e0d\u5f71\u54cd\u3002<\/p>\n<h2>ThreadLocal<\/h2>\n<p>\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\uff0c\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u6709\u81ea\u5df1\u7684\u6570\u636e\u3002\u4e00\u4e2a\u7ebf\u7a0b\u4f7f\u7528\u81ea\u5df1\u7684\u5c40\u90e8\u53d8\u91cf\u6bd4\u4f7f\u7528\u5168\u5c40\u53d8\u91cf\u597d\uff0c\u56e0\u4e3a\u5c40\u90e8\u53d8\u91cf\u53ea\u6709\u7ebf\u7a0b\u81ea\u5df1\u80fd\u770b\u89c1\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u7ebf\u7a0b\uff0c\u800c\u5168\u5c40\u53d8\u91cf\u7684\u4fee\u6539\u5fc5\u987b\u52a0\u9501\u3002<br \/>\n\u4f46\u662f\u5c40\u90e8\u53d8\u91cf\u4e5f\u6709\u95ee\u9898\uff0c\u5c31\u662f\u5728\u51fd\u6570\u8c03\u7528\u7684\u65f6\u5019\uff0c\u4f20\u9012\u8d77\u6765\u5f88\u9ebb\u70e6\u3002<br \/>\n\u7528\u5168\u5c40\u53d8\u91cf\u4e5f\u4e0d\u884c\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u7ebf\u7a0b\u5904\u7406\u4e0d\u540c\u7684\u5bf9\u8c61\uff0c\u4e0d\u80fd\u5171\u4eab\u3002<br \/>\n\u5982\u679c\u7528\u4e00\u4e2a\u5168\u5c40dict\u5b58\u653e\u6240\u6709\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u4ee5thread\u81ea\u8eab\u4f5c\u4e3akey\u83b7\u5f97\u7ebf\u7a0b\u5bf9\u5e94\u7684\u5bf9\u8c61\u5982\u4f55\uff1f<br \/>\n\u8fd9\u79cd\u65b9\u5f0f\u7406\u8bba\u4e0a\u662f\u53ef\u884c\u7684\uff0c\u5b83\u6700\u5927\u7684\u4f18\u70b9\u662f\u6d88\u9664\u4e86\u5bf9\u8c61\u5728\u6bcf\u5c42\u51fd\u6570\u4e2d\u7684\u4f20\u9012\u95ee\u9898\uff0c\u4f46\u662f\uff0c\u6bcf\u4e2a\u51fd\u6570\u83b7\u53d6\u5bf9\u8c61\u7684\u4ee3\u7801\u6709\u70b9\u4e11\u3002<br \/>\n\u6709\u6ca1\u6709\u66f4\u7b80\u5355\u7684\u65b9\u5f0f\uff1f<br \/>\nThreadLocal\u5e94\u8fd0\u800c\u751f\uff0c\u4e0d\u7528\u67e5\u627edict\uff0cThreadLocal\u5e2e\u4f60\u81ea\u52a8\u505a\u8fd9\u4ef6\u4e8b\uff1a<\/p>\n<div>\n<pre>import threading\n# \u521b\u5efa\u5168\u5c40ThreadLocal\u5bf9\u8c61:\nlocal_school = threading.local()\ndef process_student():\n    # \u83b7\u53d6\u5f53\u524d\u7ebf\u7a0b\u5173\u8054\u7684student:\n    std = local_school.student\n    print(\\'Hello, %s (in %s)\\' % (std, threading.current_thread().name))\ndef process_thread(name):\n    # \u7ed1\u5b9aThreadLocal\u7684student:\n    local_school.student = name\n    process_student()\nt1 = threading.Thread(target= process_thread, args=(\\'Alice\\',), name=\\'Thread-A\\')\nt2 = threading.Thread(target= process_thread, args=(\\'Bob\\',), name=\\'Thread-B\\')\nt1.start()\nt2.start()\nt1.join()\nt2.join()\n<\/pre>\n<\/div>\n<p>\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n<div>\n<pre>Hello, Alice (in Thread-A)\nHello, Bob (in Thread-B)\n<\/pre>\n<\/div>\n<p>\u5168\u5c40\u53d8\u91cflocal_school\u5c31\u662f\u4e00\u4e2aThreadLocal\u5bf9\u8c61\uff0c\u6bcf\u4e2aThread\u5bf9\u5b83\u90fd\u53ef\u4ee5\u8bfb\u5199student\u5c5e\u6027\uff0c\u4f46\u4e92\u4e0d\u5f71\u54cd\u3002\u4f60\u53ef\u4ee5\u628alocal_school\u770b\u6210\u5168\u5c40\u53d8\u91cf\uff0c\u4f46\u6bcf\u4e2a\u5c5e\u6027\u5982local_school.student\u90fd\u662f\u7ebf\u7a0b\u7684\u5c40\u90e8\u53d8\u91cf\uff0c\u53ef\u4ee5\u4efb\u610f\u8bfb\u5199\u800c\u4e92\u4e0d\u5e72\u6270\uff0c\u4e5f\u4e0d\u7528\u7ba1\u7406\u9501\u7684\u95ee\u9898\uff0cThreadLocal\u5185\u90e8\u4f1a\u5904\u7406\u3002<br \/>\nThreadLocal\u6700\u5e38\u7528\u7684\u5730\u65b9\u5c31\u662f\u4e3a\u6bcf\u4e2a\u7ebf\u7a0b\u7ed1\u5b9a\u4e00\u4e2a\u6570\u636e\u5e93\u8fde\u63a5\uff0cHTTP\u8bf7\u6c42\uff0c\u7528\u6237\u8eab\u4efd\u4fe1\u606f\u7b49\uff0c\u8fd9\u6837\u4e00\u4e2a\u7ebf\u7a0b\u7684\u6240\u6709\u8c03\u7528\u5230\u7684\u5904\u7406\u51fd\u6570\u90fd\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u8bbf\u95ee\u8fd9\u4e9b\u8d44\u6e90\u3002<\/p>\n<h3>\u5c0f\u7ed3<\/h3>\n<p>\u4e00\u4e2aThreadLocal\u53d8\u91cf\u867d\u7136\u662f\u5168\u5c40\u53d8\u91cf\uff0c\u4f46\u6bcf\u4e2a\u7ebf\u7a0b\u90fd\u53ea\u80fd\u8bfb\u5199\u81ea\u5df1\u7ebf\u7a0b\u7684\u72ec\u7acb\u526f\u672c\uff0c\u4e92\u4e0d\u5e72\u6270\u3002ThreadLocal\u89e3\u51b3\u4e86\u53c2\u6570\u5728\u4e00\u4e2a\u7ebf\u7a0b\u4e2d\u5404\u4e2a\u51fd\u6570\u4e4b\u95f4\u4e92\u76f8\u4f20\u9012\u7684\u95ee\u9898\u3002<\/p>\n<h2>\u8fdb\u7a0b VS. \u7ebf\u7a0b<\/h2>\n<p>\u9996\u5148\uff0c\u8981\u5b9e\u73b0\u591a\u4efb\u52a1\uff0c\u901a\u5e38\u6211\u4eec\u4f1a\u8bbe\u8ba1Master-Worker\u6a21\u5f0f\uff0cMaster\u8d1f\u8d23\u5206\u914d\u4efb\u52a1\uff0cWorker\u8d1f\u8d23\u6267\u884c\u4efb\u52a1\uff0c\u56e0\u6b64\uff0c\u591a\u4efb\u52a1\u73af\u5883\u4e0b\uff0c\u901a\u5e38\u662f\u4e00\u4e2aMaster\uff0c\u591a\u4e2aWorker\u3002<br \/>\n\u5982\u679c\u7528\u591a\u8fdb\u7a0b\u5b9e\u73b0Master-Worker\uff0c\u4e3b\u8fdb\u7a0b\u5c31\u662fMaster\uff0c\u5176\u4ed6\u8fdb\u7a0b\u5c31\u662fWorker\u3002<br \/>\n\u5982\u679c\u7528\u591a\u7ebf\u7a0b\u5b9e\u73b0Master-Worker\uff0c\u4e3b\u7ebf\u7a0b\u5c31\u662fMaster\uff0c\u5176\u4ed6\u7ebf\u7a0b\u5c31\u662fWorker\u3002<br \/>\n\u591a\u8fdb\u7a0b\u6a21\u5f0f\u6700\u5927\u7684\u4f18\u70b9\u5c31\u662f\u7a33\u5b9a\u6027\u9ad8\uff0c\u56e0\u4e3a\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u5d29\u6e83\u4e86\uff0c\u4e0d\u4f1a\u5f71\u54cd\u4e3b\u8fdb\u7a0b\u548c\u5176\u4ed6\u5b50\u8fdb\u7a0b\u3002\uff08\u5f53\u7136\u4e3b\u8fdb\u7a0b\u6302\u4e86\u6240\u6709\u8fdb\u7a0b\u5c31\u5168\u6302\u4e86\uff0c\u4f46\u662fMaster\u8fdb\u7a0b\u53ea\u8d1f\u8d23\u5206\u914d\u4efb\u52a1\uff0c\u6302\u6389\u7684\u6982\u7387\u4f4e\uff09Apache\u6700\u65e9\u5c31\u662f\u91c7\u7528\u591a\u8fdb\u7a0b\u6a21\u5f0f\u3002<br \/>\n\u591a\u8fdb\u7a0b\u6a21\u5f0f\u7684\u7f3a\u70b9\u662f\u521b\u5efa\u8fdb\u7a0b\u7684\u4ee3\u4ef7\u5927\uff0c\u5728Unix\/Linux\u7cfb\u7edf\u4e0b\uff0c\u7528fork\u8c03\u7528\u8fd8\u884c\uff0c\u5728Windows\u4e0b\u521b\u5efa\u8fdb\u7a0b\u5f00\u9500\u5de8\u5927\u3002\u53e6\u5916\uff0c\u64cd\u4f5c\u7cfb\u7edf\u80fd\u540c\u65f6\u8fd0\u884c\u7684\u8fdb\u7a0b\u6570\u4e5f\u662f\u6709\u9650\u7684\uff0c\u5728\u5185\u5b58\u548cCPU\u7684\u9650\u5236\u4e0b\uff0c\u5982\u679c\u6709\u51e0\u5343\u4e2a\u8fdb\u7a0b\u540c\u65f6\u8fd0\u884c\uff0c\u64cd\u4f5c\u7cfb\u7edf\u8fde\u8c03\u5ea6\u90fd\u4f1a\u6210\u95ee\u9898\u3002<br \/>\n\u591a\u7ebf\u7a0b\u6a21\u5f0f\u901a\u5e38\u6bd4\u591a\u8fdb\u7a0b\u5feb\u4e00\u70b9\uff0c\u4f46\u662f\u4e5f\u5feb\u4e0d\u5230\u54ea\u53bb\uff0c\u800c\u4e14\uff0c\u591a\u7ebf\u7a0b\u6a21\u5f0f\u81f4\u547d\u7684\u7f3a\u70b9\u5c31\u662f\u4efb\u4f55\u4e00\u4e2a\u7ebf\u7a0b\u6302\u6389\u90fd\u53ef\u80fd\u76f4\u63a5\u9020\u6210\u6574\u4e2a\u8fdb\u7a0b\u5d29\u6e83\uff0c\u56e0\u4e3a\u6240\u6709\u7ebf\u7a0b\u5171\u4eab\u8fdb\u7a0b\u7684\u5185\u5b58\u3002\u5728Windows\u4e0a\uff0c\u5982\u679c\u4e00\u4e2a\u7ebf\u7a0b\u6267\u884c\u7684\u4ee3\u7801\u51fa\u4e86\u95ee\u9898\uff0c\u4f60\u7ecf\u5e38\u53ef\u4ee5\u770b\u5230\u8fd9\u6837\u7684\u63d0\u793a\uff1a\u201c\u8be5\u7a0b\u5e8f\u6267\u884c\u4e86\u975e\u6cd5\u64cd\u4f5c\uff0c\u5373\u5c06\u5173\u95ed\u201d\uff0c\u5176\u5b9e\u5f80\u5f80\u662f\u67d0\u4e2a\u7ebf\u7a0b\u51fa\u4e86\u95ee\u9898\uff0c\u4f46\u662f\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u5f3a\u5236\u7ed3\u675f\u6574\u4e2a\u8fdb\u7a0b\u3002<br 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\/>\nPython\u7684multiprocessing\u6a21\u5757\u4e0d\u4f46\u652f\u6301\u591a\u8fdb\u7a0b\uff0c\u5176\u4e2dmanagers\u5b50\u6a21\u5757\u8fd8\u652f\u6301\u628a\u591a\u8fdb\u7a0b\u5206\u5e03\u5230\u591a\u53f0\u673a\u5668\u4e0a\u3002\u4e00\u4e2a\u670d\u52a1\u8fdb\u7a0b\u53ef\u4ee5\u4f5c\u4e3a\u8c03\u5ea6\u8005\uff0c\u5c06\u4efb\u52a1\u5206\u5e03\u5230\u5176\u4ed6\u591a\u4e2a\u8fdb\u7a0b\u4e2d\uff0c\u4f9d\u9760\u7f51\u7edc\u901a\u4fe1\u3002\u7531\u4e8emanagers\u6a21\u5757\u5c01\u88c5\u5f88\u597d\uff0c\u4e0d\u5fc5\u4e86\u89e3\u7f51\u7edc\u901a\u4fe1\u7684\u7ec6\u8282\uff0c\u5c31\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u7f16\u5199\u5206\u5e03\u5f0f\u591a\u8fdb\u7a0b\u7a0b\u5e8f\u3002<br 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\/>\n\u6211\u4eec\u5148\u770b\u670d\u52a1\u8fdb\u7a0b\uff0c\u670d\u52a1\u8fdb\u7a0b\u8d1f\u8d23\u542f\u52a8Queue\uff0c\u628aQueue\u6ce8\u518c\u5230\u7f51\u7edc\u4e0a\uff0c\u7136\u540e\u5f80Queue\u91cc\u9762\u5199\u5165\u4efb\u52a1\uff1a<\/p>\n<div>\n<pre># task_master.py\nimport random, time, queue\nfrom multiprocessing.managers import BaseManager\n# \u53d1\u9001\u4efb\u52a1\u7684\u961f\u5217:\ntask_queue = queue.Queue()\n# \u63a5\u6536\u7ed3\u679c\u7684\u961f\u5217:\nresult_queue = queue.Queue()\n# \u4eceBaseManager\u7ee7\u627f\u7684QueueManager:\nclass QueueManager(BaseManager):\n    pass\n# \u628a\u4e24\u4e2aQueue\u90fd\u6ce8\u518c\u5230\u7f51\u7edc\u4e0a, callable\u53c2\u6570\u5173\u8054Queue\u5bf9\u8c61:\nQueueManager.register(\\'get_task_queue\\', callable=lambda: task_queue)\nQueueManager.register(\\'get_result_queue\\', callable=lambda: result_queue)\n# \u7ed1\u5b9a\u7aef\u53e35000, \u8bbe\u7f6e\u9a8c\u8bc1\u7801\\'abc\\':\nmanager = QueueManager(address=(\\'\\', 5000), authkey=b\\'abc\\')\n# \u542f\u52a8Queue:\nmanager.start()\n# \u83b7\u5f97\u901a\u8fc7\u7f51\u7edc\u8bbf\u95ee\u7684Queue\u5bf9\u8c61:\ntask = manager.get_task_queue()\nresult = manager.get_result_queue()\n# \u653e\u51e0\u4e2a\u4efb\u52a1\u8fdb\u53bb:\nfor i in range(10):\n    n = random.randint(0, 10000)\n    print(\\'Put task %d...\\' % n)\n    task.put(n)\n# \u4eceresult\u961f\u5217\u8bfb\u53d6\u7ed3\u679c:\nprint(\\'Try get results...\\')\nfor i in range(10):\n    r = result.get(timeout=10)\n    print(\\'Result: %s\\' % r)\n# \u5173\u95ed:\nmanager.shutdown()\nprint(\\'master exit.\\')\n<\/pre>\n<\/div>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5f53\u6211\u4eec\u5728\u4e00\u53f0\u673a\u5668\u4e0a\u5199\u591a\u8fdb\u7a0b\u7a0b\u5e8f\u65f6\uff0c\u521b\u5efa\u7684Queue\u53ef\u4ee5\u76f4\u63a5\u62ff\u6765\u7528\uff0c\u4f46\u662f\uff0c\u5728\u5206\u5e03\u5f0f\u591a\u8fdb\u7a0b\u73af\u5883\u4e0b\uff0c\u6dfb\u52a0\u4efb\u52a1\u5230Queue\u4e0d\u53ef\u4ee5\u76f4\u63a5\u5bf9\u539f\u59cb\u7684task_queue\u8fdb\u884c\u64cd\u4f5c\uff0c\u90a3\u6837\u5c31\u7ed5\u8fc7\u4e86QueueManager\u7684\u5c01\u88c5\uff0c\u5fc5\u987b\u901a\u8fc7manager.get_task_queue()\u83b7\u5f97\u7684Queue\u63a5\u53e3\u6dfb\u52a0\u3002<br \/>\n\u7136\u540e\uff0c\u5728\u53e6\u4e00\u53f0\u673a\u5668\u4e0a\u542f\u52a8\u4efb\u52a1\u8fdb\u7a0b\uff08\u672c\u673a\u4e0a\u542f\u52a8\u4e5f\u53ef\u4ee5\uff09\uff1a<\/p>\n<div>\n<pre># task_worker.py\nimport time, sys, queue\nfrom multiprocessing.managers import BaseManager\n# \u521b\u5efa\u7c7b\u4f3c\u7684QueueManager:\nclass QueueManager(BaseManager):\n    pass\n# \u7531\u4e8e\u8fd9\u4e2aQueueManager\u53ea\u4ece\u7f51\u7edc\u4e0a\u83b7\u53d6Queue\uff0c\u6240\u4ee5\u6ce8\u518c\u65f6\u53ea\u63d0\u4f9b\u540d\u5b57:\nQueueManager.register(\\'get_task_queue\\')\nQueueManager.register(\\'get_result_queue\\')\n# \u8fde\u63a5\u5230\u670d\u52a1\u5668\uff0c\u4e5f\u5c31\u662f\u8fd0\u884ctask_master.py\u7684\u673a\u5668:\nserver_addr = \\'127.0.0.1\\'\nprint(\\'Connect to server %s...\\' % server_addr)\n# \u7aef\u53e3\u548c\u9a8c\u8bc1\u7801\u6ce8\u610f\u4fdd\u6301\u4e0etask_master.py\u8bbe\u7f6e\u7684\u5b8c\u5168\u4e00\u81f4:\nm = QueueManager(address=(server_addr, 5000), authkey=b\\'abc\\')\n# \u4ece\u7f51\u7edc\u8fde\u63a5:\nm.connect()\n# \u83b7\u53d6Queue\u7684\u5bf9\u8c61:\ntask = m.get_task_queue()\nresult = m.get_result_queue()\n# \u4ecetask\u961f\u5217\u53d6\u4efb\u52a1,\u5e76\u628a\u7ed3\u679c\u5199\u5165result\u961f\u5217:\nfor i in range(10):\n    try:\n        n = task.get(timeout=1)\n        print(\\'run task %d * %d...\\' % (n, n))\n        r = \\'%d * %d = %d\\' % (n, n, n*n)\n        time.sleep(1)\n        result.put(r)\n    except Queue.Empty:\n        print(\\'task queue is empty.\\')\n# \u5904\u7406\u7ed3\u675f:\nprint(\\'worker exit.\\')\n<\/pre>\n<\/div>\n<p>\u4efb\u52a1\u8fdb\u7a0b\u8981\u901a\u8fc7\u7f51\u7edc\u8fde\u63a5\u5230\u670d\u52a1\u8fdb\u7a0b\uff0c\u6240\u4ee5\u8981\u6307\u5b9a\u670d\u52a1\u8fdb\u7a0b\u7684IP\u3002<br \/>\n\u73b0\u5728\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u5206\u5e03\u5f0f\u8fdb\u7a0b\u7684\u5de5\u4f5c\u6548\u679c\u4e86\u3002\u5148\u542f\u52a8task_master.py\u670d\u52a1\u8fdb\u7a0b\uff1a<\/p>\n<div>\n<pre>$ python3 task_master.py\nPut task 3411...\nPut task 1605...\nPut task 1398...\nPut task 4729...\nPut task 5300...\nPut task 7471...\nPut task 68...\nPut task 4219...\nPut task 339...\nPut task 7866...\nTry get results...\n<\/pre>\n<\/div>\n<p>task_master.py\u8fdb\u7a0b\u53d1\u9001\u5b8c\u4efb\u52a1\u540e\uff0c\u5f00\u59cb\u7b49\u5f85result\u961f\u5217\u7684\u7ed3\u679c\u3002\u73b0\u5728\u542f\u52a8task_worker.py\u8fdb\u7a0b\uff1a<\/p>\n<div>\n<pre>$ python3 task_worker.py\nConnect to server 127.0.0.1...\nrun task 3411 * 3411...\nrun task 1605 * 1605...\nrun task 1398 * 1398...\nrun task 4729 * 4729...\nrun task 5300 * 5300...\nrun task 7471 * 7471...\nrun task 68 * 68...\nrun task 4219 * 4219...\nrun task 339 * 339...\nrun task 7866 * 7866...\nworker exit.\n<\/pre>\n<\/div>\n<p>task_worker.py\u8fdb\u7a0b\u7ed3\u675f\uff0c\u5728task_master.py\u8fdb\u7a0b\u4e2d\u4f1a\u7ee7\u7eed\u6253\u5370\u51fa\u7ed3\u679c\uff1a<\/p>\n<div>\n<pre>Result: 3411 * 3411 = 11634921\nResult: 1605 * 1605 = 2576025\nResult: 1398 * 1398 = 1954404\nResult: 4729 * 4729 = 22363441\nResult: 5300 * 5300 = 28090000\nResult: 7471 * 7471 = 55815841\nResult: 68 * 68 = 4624\nResult: 4219 * 4219 = 17799961\nResult: 339 * 339 = 114921\nResult: 7866 * 7866 = 61873956\n<\/pre>\n<\/div>\n<p>\u8fd9\u4e2a\u7b80\u5355\u7684Master\/Worker\u6a21\u578b\u6709\u4ec0\u4e48\u7528\uff1f\u5176\u5b9e\u8fd9\u5c31\u662f\u4e00\u4e2a\u7b80\u5355\u4f46\u771f\u6b63\u7684\u5206\u5e03\u5f0f\u8ba1\u7b97\uff0c\u628a\u4ee3\u7801\u7a0d\u52a0\u6539\u9020\uff0c\u542f\u52a8\u591a\u4e2aworker\uff0c\u5c31\u53ef\u4ee5\u628a\u4efb\u52a1\u5206\u5e03\u5230\u51e0\u53f0\u751a\u81f3\u51e0\u5341\u53f0\u673a\u5668\u4e0a\uff0c\u6bd4\u5982\u628a\u8ba1\u7b97n*n\u7684\u4ee3\u7801\u6362\u6210\u53d1\u9001\u90ae\u4ef6\uff0c\u5c31\u5b9e\u73b0\u4e86\u90ae\u4ef6\u961f\u5217\u7684\u5f02\u6b65\u53d1\u9001\u3002<br \/>\nQueue\u5bf9\u8c61\u5b58\u50a8\u5728\u54ea\uff1f\u6ce8\u610f\u5230task_worker.py\u4e2d\u6839\u672c\u6ca1\u6709\u521b\u5efaQueue\u7684\u4ee3\u7801\uff0c\u6240\u4ee5\uff0cQueue\u5bf9\u8c61\u5b58\u50a8\u5728task_master.py\u8fdb\u7a0b\u4e2d\uff1a<\/p>\n<div>\n<pre>                                             \u2502\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510     \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502task_master.py                           \u2502  \u2502  \u2502task_worker.py                        \u2502\n\u2502                                         \u2502     \u2502                                      \u2502\n\u2502  task = manager.get_task_queue()        \u2502  \u2502  \u2502  task = manager.get_task_queue()     \u2502\n\u2502  result = manager.get_result_queue()    \u2502     \u2502  result = manager.get_result_queue() \u2502\n\u2502              \u2502                          \u2502  \u2502  \u2502              \u2502                       \u2502\n\u2502              \u2502                          \u2502     \u2502              \u2502                       \u2502\n\u2502              \u25bc                          \u2502  \u2502  \u2502              \u2502                       \u2502\n\u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510    \u2502     \u2502              \u2502                       \u2502\n\u2502  \u2502QueueManager                     \u2502    \u2502  \u2502  \u2502              \u2502                       \u2502\n\u2502  \u2502 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502    \u2502     \u2502              \u2502                       \u2502\n\u2502  \u2502 \u2502 task_queue \u2502 \u2502 result_queue \u2502 \u2502&lt;\u2500\u2500\u2500\u253c\u2500\u2500\u253c\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518                       \u2502\n\u2502  \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502    \u2502     \u2502                                      \u2502\n\u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518    \u2502  \u2502  \u2502                                      \u2502\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518     \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n                                             \u2502\n                                          Network\n<\/pre>\n<\/div>\n<p>\u800cQueue\u4e4b\u6240\u4ee5\u80fd\u901a\u8fc7\u7f51\u7edc\u8bbf\u95ee\uff0c\u5c31\u662f\u901a\u8fc7QueueManager\u5b9e\u73b0\u7684\u3002\u7531\u4e8eQueueManager\u7ba1\u7406\u7684\u4e0d\u6b62\u4e00\u4e2aQueue\uff0c\u6240\u4ee5\uff0c\u8981\u7ed9\u6bcf\u4e2aQueue\u7684\u7f51\u7edc\u8c03\u7528\u63a5\u53e3\u8d77\u4e2a\u540d\u5b57\uff0c\u6bd4\u5982get_task_queue\u3002<\/p>\n<h3>\u5c0f\u7ed3<\/h3>\n<p>Python\u7684\u5206\u5e03\u5f0f\u8fdb\u7a0b\u63a5\u53e3\u7b80\u5355\uff0c\u5c01\u88c5\u826f\u597d\uff0c\u9002\u5408\u9700\u8981\u628a\u7e41\u91cd\u4efb\u52a1\u5206\u5e03\u5230\u591a\u53f0\u673a\u5668\u7684\u73af\u5883\u4e0b\u3002<br \/>\n\u6ce8\u610fQueue\u7684\u4f5c\u7528\u662f\u7528\u6765\u4f20\u9012\u4efb\u52a1\u548c\u63a5\u6536\u7ed3\u679c\uff0c\u6bcf\u4e2a\u4efb\u52a1\u7684\u63cf\u8ff0\u6570\u636e\u91cf\u8981\u5c3d\u91cf\u5c0f\u3002\u6bd4\u5982\u53d1\u9001\u4e00\u4e2a\u5904\u7406\u65e5\u5fd7\u6587\u4ef6\u7684\u4efb\u52a1\uff0c\u5c31\u4e0d\u8981\u53d1\u9001\u51e0\u767e\u5146\u7684\u65e5\u5fd7\u6587\u4ef6\u672c\u8eab\uff0c\u800c\u662f\u53d1\u9001\u65e5\u5fd7\u6587\u4ef6\u5b58\u653e\u7684\u5b8c\u6574\u8def\u5f84\uff0c\u7531Worker\u8fdb\u7a0b\u518d\u53bb\u5171\u4eab\u7684\u78c1\u76d8\u4e0a\u8bfb\u53d6\u6587\u4ef6<br \/>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>\u8fdb\u7a0b\u548c\u7ebf\u7a0b \u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u6765\u8bf4\uff0c\u4e00\u4e2a\u4efb\u52a1\u5c31\u662f\u4e00\u4e2a\u8fdb\u7a0b\uff08Process\uff09\uff0c\u6bd4\u5982\u6253\u5f00\u4e00\u4e2a\u6d4f\u89c8\u5668\u5c31\u662f\u542f\u52a8\u4e00\u4e2a\u6d4f\u89c8\u5668\u8fdb\u7a0b &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"http:\/\/www.weijing.co\/?p=1921\"> <span class=\"screen-reader-text\">Python\u8fdb\u7a0b\u548c\u7ebf\u7a0b\u8be6\u89e3<\/span> \u67e5\u770b\u5168\u6587 &raquo;<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[106,126],"tags":[],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"mailpoet_newsletter_max":false,"woocommerce_thumbnail":false,"woocommerce_single":false,"woocommerce_gallery_thumbnail":false,"shop_catalog":false,"shop_single":false,"shop_thumbnail":false},"uagb_author_info":{"display_name":"weijing","author_link":"http:\/\/www.weijing.co\/?author=4"},"uagb_comment_info":2,"uagb_excerpt":"\u8fdb\u7a0b\u548c\u7ebf\u7a0b \u5bf9\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u6765\u8bf4\uff0c\u4e00\u4e2a\u4efb\u52a1\u5c31\u662f\u4e00\u4e2a\u8fdb\u7a0b\uff08Process\uff09\uff0c\u6bd4\u5982\u6253\u5f00\u4e00\u4e2a\u6d4f\u89c8\u5668\u5c31\u662f\u542f\u52a8\u4e00\u4e2a\u6d4f\u89c8\u5668\u8fdb\u7a0b&hellip;","_links":{"self":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1921"}],"collection":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1921"}],"version-history":[{"count":0,"href":"http:\/\/www.weijing.co\/index.php?rest_route=\/wp\/v2\/posts\/1921\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1921"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.weijing.co\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}