{"id":204434,"date":"2025-05-29T08:05:28","date_gmt":"2025-05-29T00:05:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/204434\/"},"modified":"2025-05-29T08:05:28","modified_gmt":"2025-05-29T00:05:28","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e4%bf%a1%e5%8f%b7%e9%87%8f%e9%99%90%e5%88%b6%e7%ba%bf%e7%a8%8b%e5%88%9b%e5%bb%ba%e6%95%b0%e9%87%8f%e9%98%b2%e6%ad%a2%e5%86%85%e5%ad%98%e9%a3%99%e5%8d%87%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/204434\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u4fe1\u53f7\u91cf\u9650\u5236\u7ebf\u7a0b\u521b\u5efa\u6570\u91cf\u9632\u6b62\u5185\u5b58\u98d9\u5347\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u4f7f\u7528\u4fe1\u53f7\u91cf\u9650\u5236\u7ebf\u7a0b\u521b\u5efa\u6570\u91cf\u9632\u6b62\u5185\u5b58\u98d9\u5347\uff1f<\/h1>\n<p>\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241107\/1730969517672c7fad4e4df.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u7ebf\u7a0b\u521b\u5efa\u4e0d\u53d7\u9650\u5236\u7684\u95ee\u9898<\/strong><\/p>\n<p>\u5728\u4ee3\u7801\u4e2d\uff0c\u7531\u4e8e\u7a0b\u5e8f\u662f\u4e00\u4e2a\u7c7b\u4f3c\u6b7b\u5faa\u73af\uff0c\u6bcf\u6267\u884c\u4e00\u6b21\u90fd\u4f1a\u4e0d\u65ad\u521b\u5efa\u7ebf\u7a0b\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u98d9\u5347\u3002\u539f\u56e0\u5728\u4e8e\u7ebf\u7a0b\u521b\u5efa\u6ca1\u6709\u53d7\u5230\u9650\u5236\u3002<\/p>\n<p><strong>\u4f7f\u7528\u4fe1\u53f7\u91cf\u4e3a\u7ebf\u7a0b\u5206\u914d\u9650\u5236<\/strong><\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528 threading.semaphore \u7c7b\u6765\u9650\u5236\u521b\u5efa\u7ebf\u7a0b\u7684\u6570\u91cf\u3002semaphore \u662f\u4e00\u79cd\u540c\u6b65\u539f\u8bed\uff0c\u5b83\u53ef\u4ee5\u9650\u5236\u8bbf\u95ee\u5171\u4eab\u8d44\u6e90\u7684\u7ebf\u7a0b\u6570\u91cf\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4fee\u6539\u4ee3\u7801\u4ee5\u4f7f\u7528 semaphore\uff1a<\/p>\n<ol>\n<li>\u8ba1\u7b97\u4efb\u52a1\u96c6\u5408\u6570\u91cf\uff08num = len(initial)\uff09\u3002<\/li>\n<li>\u521b\u5efa\u4e00\u4e2a\u4fe1\u53f7\u91cf\uff0c\u521d\u59cb\u503c\u4e3a\u4efb\u52a1\u96c6\u5408\u6570\u91cf\u7684\u4e00\u534a\uff1asem = threading.semaphore(num \/ 20)\u3002<\/li>\n<li>\u5728\u7ebf\u7a0b\u83b7\u53d6\u4efb\u52a1\u4e4b\u524d\uff0c\u4f7f\u7528 with sem: \u8bed\u53e5\u5757\u8fdb\u884c\u4fdd\u62a4\uff0c\u4ee5\u9650\u5236\u540c\u65f6\u83b7\u53d6\u4efb\u52a1\u7684\u7ebf\u7a0b\u6570\u91cf\u3002<\/li>\n<\/ol>\n<p><strong>\u4fee\u6539\u540e\u7684\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n<pre>import threading\n\ninitial = ['gif\u56fe\u7247']    # \u521d\u59cb\u96c6\u5408\nexisted = []    # \u5df2\u5b58\u5728\u7684\n\ndef runStart():\n    i = 0\n    num = len(initial)  # \u8ba1\u7b97\u4efb\u52a1\u96c6\u5408\u6570\u91cf\n    sem = threading.Semaphore(num \/ 20)  # \u521b\u5efa\u4fe1\u53f7\u91cf\n\n    while i &lt; len(initial):\n        with sem:  # \u9650\u5236\u540c\u65f6\u83b7\u53d6\u4efb\u52a1\u7684\u7ebf\u7a0b\u6570\u91cf\n            # \u5176\u4ed6\u4ee3\u7801\u7565<\/pre>\n<p>\u8fd9\u6837\u4fee\u6539\u540e\uff0c\u4ee3\u7801\u5c06\u9650\u5236\u540c\u65f6\u8fd0\u884c\u7684\u7ebf\u7a0b\u6570\u91cf\uff0c\u4ece\u800c\u907f\u514d\u5185\u5b58\u65e0\u9650\u589e\u957f\u7684\u95ee\u9898\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300a\u5982\u4f55\u4f7f\u7528\u4fe1\u53f7\u91cf\u9650\u5236\u7ebf\u7a0b\u521b\u5efa\u6570\u91cf\u9632\u6b62\u5185\u5b58\u98d9\u5347\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f7f\u7528\u4fe1\u53f7\u91cf\u9650\u5236\u7ebf\u7a0b\u521b\u5efa\u6570\u91cf\u9632&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-204434","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=204434"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/204434\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=204434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=204434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=204434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}