{"id":220091,"date":"2024-05-11T18:10:29","date_gmt":"2024-05-11T10:10:29","guid":{"rendered":""},"modified":"2024-05-11T18:10:33","modified_gmt":"2024-05-11T10:10:33","slug":"python%e7%88%ac%e8%99%ab%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8%e5%a4%9a%e7%ba%bf%e7%a8%8b-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/220091.html","title":{"rendered":"python\u722c\u866b\u5982\u4f55\u5229\u7528\u591a\u7ebf\u7a0b"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25140414\/716ce2c2-aed8-4d80-9cfc-3a9bda17d71f.webp\" alt=\"python\u722c\u866b\u5982\u4f55\u5229\u7528\u591a\u7ebf\u7a0b\" 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a\u5b9e\u4f8b\u6765\u8bf4\u660e\u591a\u7ebf\u7a0b\u5728\u722c\u866b\u4e2d\u7684\u5177\u4f53\u5e94\u7528\u3002\u9996\u5148\u662f\u5b9a\u4e49\u722c\u866b\u7684\u4efb\u52a1\u51fd\u6570\uff0c\u6bd4\u5982\u4e00\u4e2a\u51fd\u6570\u8d1f\u8d23\u4e0b\u8f7d\u7f51\u9875\uff0c\u53e6\u4e00\u4e2a\u8d1f\u8d23\u89e3\u6790\u7f51\u9875\u6570\u636e\u3002\u7136\u540e\uff0c\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u8c61\uff0c\u5206\u522b\u4f20\u9012\u8fd9\u4e9b\u4efb\u52a1\u51fd\u6570\u7ed9\u4e0d\u540c\u7684\u7ebf\u7a0b\u3002\u5728\u6bcf\u4e2a\u7ebf\u7a0b\u5bf9\u8c61\u88ab<code>start()<\/code>\u4e4b\u540e\uff0c\u8fd9\u4e9b\u7ebf\u7a0b\u4fbf\u5f00\u59cb\u5e76\u884c\u6267\u884c\uff0c<strong>\u901a\u8fc7\u961f\u5217\uff08Queue\uff09\u6765\u5b58\u50a8\u4efb\u52a1\u548c\u7ef4\u62a4\u7ebf\u7a0b\u4e4b\u95f4\u7684\u901a\u4fe1<\/strong>\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u591a\u7ebf\u7a0b\u722c\u866b\u7684\u4f18\u5316<\/h3>\n<\/p>\n<p><p>\u9488\u5bf9\u591a\u7ebf\u7a0b\u722c\u866b\u8fd8\u53ef\u4ee5\u8fdb\u884c\u4f18\u5316\u3002<strong>\u8bbe\u7f6e\u7ebf\u7a0b\u6c60<\/strong>\u662f\u5e38\u89c1\u7684\u4e00\u79cd\u505a\u6cd5\uff0c\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u9650\u5236\u5e76\u53d1\u7684\u7ebf\u7a0b\u6570\u91cf\uff0c\u5f53\u7ebf\u7a0b\u6c60\u4e2d\u7684\u7ebf\u7a0b\u4efb\u52a1\u5b8c\u6210\u540e\u53ef\u4ee5\u590d\u7528\u7ebf\u7a0b\u6765\u6267\u884c\u65b0\u7684\u4efb\u52a1\uff0c\u8fd9\u6837\u65e2\u8282\u7ea6\u4e86\u7ebf\u7a0b\u521b\u5efa\u548c\u9500\u6bc1\u7684\u5f00\u9500\uff0c\u53c8\u80fd\u6709\u6548\u63a7\u5236\u7cfb\u7edf\u8d44\u6e90\u7684\u4f7f\u7528\u3002\u6b64\u5916\uff0c\u5408\u7406\u8bbe\u7f6e\u7ebf\u7a0b\u7684\u7761\u7720\uff08sleep\uff09\u65f6\u95f4\u4e5f\u53ef\u4ee5\u51cf\u5c11\u5bf9\u76ee\u6807\u7f51\u7ad9\u7684\u538b\u529b\uff0c\u907f\u514d\u56e0\u4e3a\u722c\u53d6\u8fc7\u5feb\u800c\u88ab\u5c01IP\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u6ce8\u610f\u4e8b\u9879\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u591a\u7ebf\u7a0b\u722c\u866b\u867d\u7136\u6709\u5f88\u591a\u4f18\u70b9\uff0c\u4f46\u5728\u7f16\u5199\u65f6\u8fd8\u9700\u8981\u6ce8\u610f\u4e00\u4e9b\u4e8b\u9879\u3002\u4f8b\u5982\uff0c<strong>\u5408\u7406\u914d\u7f6eUser-Agent\u548cIP\u4ee3\u7406\u6c60<\/strong>\u6765\u89c4\u907f\u53cd\u722c\u866b\u673a\u5236\uff1b<strong>\u4f18\u96c5\u5730\u5904\u7406\u5f02\u5e38\u548c\u9519\u8bef<\/strong>\uff0c\u786e\u4fdd\u4e00\u4e2a\u7ebf\u7a0b\u7684\u5931\u8d25\u4e0d\u4f1a\u5f71\u54cd\u6574\u4f53\u722c\u866b\u7684\u7ee7\u7eed\u8fd0\u884c\uff1b\u53e6\u5916\uff0c\u8981\u6ce8\u610f\u9075\u5b88robots.txt\u6587\u4ef6\u548c\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\uff0c<strong>\u4e0d\u8fdb\u884c\u975e\u6cd5\u6293\u53d6<\/strong>\u3002<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u826f\u597d\u7684\u7f16\u7a0b\u4e60\u60ef\u548c\u4ee3\u7801\u7ec4\u7ec7\u53ef\u4ee5\u8ba9\u591a\u7ebf\u7a0b\u722c\u866b\u7684\u7ef4\u62a4\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u6ce8\u91cd\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6a21\u5757\u5316\uff0c\u6709\u52a9\u4e8e\u672a\u6765\u5bf9\u722c\u866b\u7a0b\u5e8f\u7684\u5347\u7ea7\u548c\u6269\u5c55\u3002<\/p>\n<\/p>\n<p><p>\u4f7f\u7528\u591a\u7ebf\u7a0b\u6280\u672f\u53ef\u4ee5\u4f7fPython\u722c\u866b\u5728\u901f\u5ea6\u4e0a\u5f97\u5230\u5f88\u5927\u63d0\u5347\uff0c\u4f46\u5b83\u540c\u6837\u8981\u6c42\u5f00\u53d1\u8005\u5728\u7f16\u5199\u8fc7\u7a0b\u4e2d\u66f4\u52a0\u7ec6\u5fc3\uff0c\u5e76\u5bf9\u53ef\u80fd\u51fa\u73b0\u7684\u95ee\u9898\u6709\u6240\u9884\u89c1\u3002\u53ea\u6709\u8fd9\u6837\uff0c\u624d\u80fd\u5f00\u53d1\u51fa\u65e2\u9ad8\u6548\u53c8\u7a33\u5b9a\u7684\u591a\u7ebf\u7a0b\u7f51\u7edc\u722c\u866b\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>Q1\uff1aPython\u722c\u866b\u5982\u4f55\u4f7f\u7528\u591a\u7ebf\u7a0b\u4f18\u5316\u6027\u80fd\uff1f<\/strong><\/p>\n<p>A1\uff1a\u5982\u4f55\u4f7f\u7528\u591a\u7ebf\u7a0b\u662f\u4f18\u5316Python\u722c\u866b\u6027\u80fd\u7684\u91cd\u8981\u8003\u8651\u56e0\u7d20\u4e4b\u4e00\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u5b9e\u73b0\uff1a<\/p>\n<ol>\n<li><strong>\u5f00\u542f\u591a\u4e2a\u7ebf\u7a0b<\/strong>\uff1a\u5229\u7528Python\u7684\u591a\u7ebf\u7a0b\u6a21\u5757\uff0c\u5982<code>threading<\/code>\u6216<code>concurrent.futures<\/code>\u7b49\uff0c\u521b\u5efa\u591a\u4e2a\u7ebf\u7a0b\u6765\u5904\u7406\u722c\u53d6\u4efb\u52a1\u3002<\/li>\n<li><strong>\u4efb\u52a1\u5206\u914d\u7b56\u7565<\/strong>\uff1a\u5c06\u5f85\u722c\u53d6\u7684URL\u5217\u8868\u5206\u914d\u7ed9\u4e0d\u540c\u7684\u7ebf\u7a0b\uff0c\u5b9e\u73b0\u591a\u7ebf\u7a0b\u4e4b\u95f4\u7684\u4efb\u52a1\u5206\u914d\u3002\u53ef\u4ee5\u4f7f\u7528\u961f\u5217\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u5f85\u722c\u53d6\u7684URL\uff0c\u7136\u540e\u6bcf\u4e2a\u7ebf\u7a0b\u4ece\u961f\u5217\u4e2d\u83b7\u53d6URL\u8fdb\u884c\u722c\u53d6\u3002<\/li>\n<li><strong>\u7ebf\u7a0b\u95f4\u7684\u540c\u6b65<\/strong>\uff1a\u7531\u4e8e\u591a\u7ebf\u7a0b\u4e4b\u95f4\u5171\u4eab\u6570\u636e\uff0c\u9700\u8981\u8003\u8651\u7ebf\u7a0b\u5b89\u5168\uff0c\u907f\u514d\u6570\u636e\u51b2\u7a81\u3002\u53ef\u4ee5\u4f7f\u7528\u7ebf\u7a0b\u9501\uff08<code>Lock<\/code>\uff09\u673a\u5236\u6216\u8005\u7ebf\u7a0b\u5b89\u5168\u7684\u6570\u636e\u7ed3\u6784\uff08\u5982<code>Queue<\/code>\u3001<code>Deque<\/code>\u7b49\uff09\u6765\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168\u3002<\/li>\n<li><strong>\u9519\u8bef\u5904\u7406<\/strong>\uff1a\u5728\u591a\u7ebf\u7a0b\u722c\u866b\u4e2d\uff0c\u5904\u7406\u7ebf\u7a0b\u4e2d\u53d1\u751f\u7684\u5f02\u5e38\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528<code>try...except<\/code>\u8bed\u53e5\u6355\u6349\u5f02\u5e38\uff0c\u8bb0\u5f55\u6216\u5904\u7406\u9519\u8bef\u4fe1\u606f\uff0c\u786e\u4fdd\u722c\u866b\u7684\u5065\u58ee\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ol>\n<p>\u8bf7\u6ce8\u610f\uff0c\u5728\u4f7f\u7528\u591a\u7ebf\u7a0b\u65f6\u8981\u6ce8\u610f\u7ebf\u7a0b\u6570\u91cf\u7684\u5408\u7406\u8bbe\u7f6e\uff0c\u907f\u514d\u8fc7\u591a\u7684\u7ebf\u7a0b\u9020\u6210\u8d44\u6e90\u6d6a\u8d39\u6216\u670d\u52a1\u5668\u8bbf\u95ee\u9891\u7387\u8fc7\u9ad8\u800c\u88ab\u5c01\u7981\u3002<\/p>\n<p><strong>Q2\uff1aPython\u722c\u866b\u5982\u4f55\u5904\u7406\u591a\u7ebf\u7a0b\u4e2d\u7684\u5171\u4eab\u6570\u636e\uff1f<\/strong><\/p>\n<p>A2\uff1a\u5728Python\u722c\u866b\u4e2d\uff0c\u591a\u7ebf\u7a0b\u4e4b\u95f4\u53ef\u80fd\u4f1a\u51fa\u73b0\u5171\u4eab\u6570\u636e\u7684\u95ee\u9898\uff0c\u9700\u8981\u8fdb\u884c\u5408\u7406\u7684\u5904\u7406\u3002\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u7ebf\u7a0b\u9501\uff08Lock\uff09<\/strong>\uff1a\u4f7f\u7528\u7ebf\u7a0b\u9501\uff08<code>Lock<\/code>\uff09\u6765\u540c\u6b65\u591a\u4e2a\u7ebf\u7a0b\u5bf9\u5171\u4eab\u6570\u636e\u7684\u8bbf\u95ee\uff0c\u4fdd\u8bc1\u540c\u4e00\u65f6\u95f4\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u5171\u4eab\u6570\u636e\uff0c\u907f\u514d\u6570\u636e\u51b2\u7a81\u3002\u53ef\u4ee5\u4f7f\u7528<code>threading<\/code>\u6a21\u5757\u4e2d\u7684<code>Lock<\/code>\u7c7b\u6765\u5b9e\u73b0\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7ebf\u7a0b\u5b89\u5168\u7684\u6570\u636e\u7ed3\u6784<\/strong>\uff1a\u4f7f\u7528\u7ebf\u7a0b\u5b89\u5168\u7684\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u5171\u4eab\u6570\u636e\uff0c\u6bd4\u5982\u4f7f\u7528<code>Queue<\/code>\u3001<code>Deque<\/code>\u7b49\uff0c\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u90fd\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\uff0c\u53ef\u4ee5\u907f\u514d\u6570\u636e\u51b2\u7a81\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>Global\u53d8\u91cf\u53ef\u4fee\u6539\u95ee\u9898<\/strong>\uff1a\u5728\u591a\u7ebf\u7a0b\u722c\u866b\u4e2d\uff0c\u5982\u679c\u8981\u5bf9\u5168\u5c40\u53d8\u91cf\u8fdb\u884c\u4fee\u6539\uff0c\u9700\u8981\u4f7f\u7528<code>global<\/code>\u5173\u952e\u5b57\u6765\u58f0\u660e\uff0c\u8868\u793a\u8fd9\u4e2a\u53d8\u91cf\u662f\u5168\u5c40\u7684\uff0c\u5e76\u4e14\u8fdb\u884c\u4fee\u6539\u64cd\u4f5c\u65f6\u9700\u8981\u52a0\u9501\u907f\u514d\u6570\u636e\u51b2\u7a81\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u5728\u8fdb\u884c\u591a\u7ebf\u7a0b\u722c\u866b\u5f00\u53d1\u65f6\uff0c\u5408\u7406\u7684\u6570\u636e\u8bbf\u95ee\u7b56\u7565\u662f\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u548c\u7ebf\u7a0b\u5b89\u5168\u7684\u5173\u952e\u3002<\/p>\n<p><strong>Q3\uff1aPython\u722c\u866b\u4e2d\u591a\u7ebf\u7a0b\u7684\u4f18\u7f3a\u70b9\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<p>A3\uff1a\u4f7f\u7528\u591a\u7ebf\u7a0b\u8fdb\u884cPython\u722c\u866b\u5f00\u53d1\u6709\u5176\u4f18\u70b9\u548c\u7f3a\u70b9\uff1a<\/p>\n<p>\u4f18\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u722c\u866b\u7684\u6548\u7387<\/strong>\uff1a\u901a\u8fc7\u4f7f\u7528\u591a\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u722c\u53d6\u7684\u6548\u7387\u548c\u901f\u5ea6\u3002<\/li>\n<li><strong>\u8282\u7701\u7cfb\u7edf\u8d44\u6e90<\/strong>\uff1a\u76f8\u6bd4\u4f7f\u7528\u591a\u8fdb\u7a0b\uff0c\u591a\u7ebf\u7a0b\u66f4\u52a0\u8f7b\u91cf\u7ea7\uff0c\u5360\u7528\u7684\u7cfb\u7edf\u8d44\u6e90\u8f83\u5c11\uff0c\u9002\u5408\u5728\u5355\u673a\u73af\u5883\u4e0b\u90e8\u7f72\u548c\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<p>\u7f3a\u70b9\uff1a<\/p>\n<ul>\n<li><strong>\u7ebf\u7a0b\u5b89\u5168\u6027<\/strong>\uff1a\u5728\u591a\u7ebf\u7a0b\u4e2d\uff0c\u4e0d\u540c\u7ebf\u7a0b\u4e4b\u95f4\u53ef\u80fd\u4f1a\u5171\u4eab\u6570\u636e\uff0c\u9700\u8981\u8fdb\u884c\u5408\u7406\u7684\u7ebf\u7a0b\u540c\u6b65\u673a\u5236\u5904\u7406\uff0c\u5426\u5219\u5bb9\u6613\u51fa\u73b0\u6570\u636e\u51b2\u7a81\u548c\u5176\u4ed6\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\u3002<\/li>\n<li><strong>\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09<\/strong>\uff1a\u5728Python\u4e2d\uff0c\u5168\u5c40\u89e3\u91ca\u5668\u9501\uff08GIL\uff09\u7684\u5b58\u5728\u9650\u5236\u4e86\u591a\u7ebf\u7a0b\u7684\u5e76\u884c\u6027\u80fd\uff0c\u4f7f\u5f97\u591a\u7ebf\u7a0b\u4e0d\u80fd\u5145\u5206\u5229\u7528\u591a\u6838\u5904\u7406\u5668\u7684\u4f18\u52bf\uff0c\u5bfc\u81f4\u5728CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u6548\u679c\u6709\u9650\u3002<\/li>\n<\/ul>\n<p>\u7efc\u4e0a\u6240\u8ff0\uff0c\u591a\u7ebf\u7a0b\u722c\u866b\u9002\u7528\u4e8eI\/O\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u800c\u5728CPU\u5bc6\u96c6\u578b\u4efb\u52a1\u4e2d\u53ef\u80fd\u6548\u679c\u8f83\u5dee\uff0c\u9700\u8981\u7efc\u5408\u8003\u8651\u4efb\u52a1\u7c7b\u578b\u548c\u7cfb\u7edf\u73af\u5883\u9009\u62e9\u5408\u9002\u7684\u591a\u7ebf\u7a0b\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u722c\u866b\u5229\u7528\u591a\u7ebf\u7a0b\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u7f51\u9875\u6293\u53d6\u6548\u7387\u3001\u52a0\u5feb\u6570\u636e\u5904\u7406\u901f\u5ea6\u3001\u4f18\u5316\u7528\u6237\u4f53\u9a8c\u3001\u8282\u7701\u5927\u91cf\u7b49\u5f85\u65f6\u95f4\u3002\u5176\u6838\u5fc3\u5728 [&hellip;]","protected":false},"author":3,"featured_media":220098,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/220091"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=220091"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/220091\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/220098"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=220091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=220091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=220091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}