{"id":99200,"date":"2024-10-21T08:58:25","date_gmt":"2024-10-21T00:58:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/99200\/"},"modified":"2024-10-21T08:58:26","modified_gmt":"2024-10-21T00:58:26","slug":"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e4%b8%80%e5%bc%b5%e5%9c%96%e8%a7%a3%e9%87%8b%e5%ae%83%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/99200\/","title":{"rendered":"Redis \u5206\u5e03\u5f0f\u9396\u4e00\u5f35\u5716\u89e3\u91cb\u5b83\u7684\u5be6\u73fe\u539f\u7406"},"content":{"rendered":"<h1 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e4%b8%80%e5%bc%b5%e5%9c%96%e8%a7%a3%e9%87%8b%e5%ae%83%e7%9a%84%e5%af%a6%e7%8f%be%e5%8e%9f%e7%90%86-PsvxAwdAYf\">Redis \u5206\u5e03\u5f0f\u9396\u4e00\u5f35\u5716\u89e3\u91cb\u5b83\u7684\u5be6\u73fe\u539f\u7406<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6e90\u7684\u7af6\u722d\u548c\u5354\u8abf\u662f\u975e\u5e38\u91cd\u8981\u7684\u554f\u984c\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0cRedis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u2014\u2014\u5206\u5e03\u5f0f\u9396\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u539f\u7406\uff0c\u4e26\u901a\u904e\u5716\u89e3\u4f86\u5e6b\u52a9\u7406\u89e3\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%ef%bc%9f-PsvxAwdAYf\">\u4ec0\u9ebc\u662f\u5206\u5e03\u5f0f\u9396\uff1f<\/h2>\n<p>\u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u7528\u65bc\u63a7\u5236\u591a\u500b\u9032\u7a0b\u6216\u670d\u52d9\u4e4b\u9593\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u7684\u6a5f\u5236\u3002\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u7576\u591a\u500b\u5be6\u4f8b\u9700\u8981\u540c\u6642\u8a2a\u554f\u540c\u4e00\u8cc7\u6e90\u6642\uff0c\u5206\u5e03\u5f0f\u9396\u53ef\u4ee5\u78ba\u4fdd\u53ea\u6709\u4e00\u500b\u5be6\u4f8b\u80fd\u5920\u7372\u5f97\u8a72\u8cc7\u6e90\u7684\u8a2a\u554f\u6b0a\u9650\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u6216\u7af6\u722d\u689d\u4ef6\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-PsvxAwdAYf\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc Redis \u7684\u539f\u5b50\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f Redis \u5206\u5e03\u5f0f\u9396\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u5ba2\u6236\u7aef\u5617\u8a66\u5728 Redis \u4e2d\u8a2d\u7f6e\u4e00\u500b\u9396\u9375\uff08\u4f8b\u5982 &#8220;lock:key&#8221;\uff09\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\u3002<\/li>\n<li>\u5982\u679c\u8a2d\u7f6e\u6210\u529f\uff0c\u5247\u7372\u5f97\u9396\uff1b\u5982\u679c\u5931\u6557\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u7372\u5f97\u3002<\/li>\n<li>\u5728\u5b8c\u6210\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u64cd\u4f5c\u5f8c\uff0c\u5ba2\u6236\u7aef\u9700\u8981\u522a\u9664\u9396\u9375\u4ee5\u91cb\u653e\u9396\u3002<\/li>\n<\/ol>\n<h2 id=\"redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-PsvxAwdAYf\">Redis \u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Redis \u5be6\u73fe\u5206\u5e03\u5f0f\u9396\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef acquire_lock(lock_name, acquire_time=10, lock_timeout=10):\n    identifier = str(uuid.uuid4())  # \u751f\u6210\u552f\u4e00\u6a19\u8b58\u7b26\n    lock_key = f\"lock:{lock_name}\"\n    end = time.time() + acquire_time\n\n    while time.time() &lt; end:\n        if r.set(lock_key, identifier, nx=True, ex=lock_timeout):\n            return identifier\n        time.sleep(0.01)  # \u7b49\u5f85\u4e00\u6bb5\u6642\u9593\u518d\u91cd\u8a66\n    return False\n\ndef release_lock(lock_name, identifier):\n    lock_key = f&quot;lock:{lock_name}&quot;\n    if r.get(lock_key) == identifier:\n        r.delete(lock_key)\n<\/code><\/pre>\n<h2 id=\"%e5%88%86%e5%b8%83%e5%bc%8f%e9%8e%96%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-PsvxAwdAYf\">\u5206\u5e03\u5f0f\u9396\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9396\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u9396\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u4ee5\u9632\u6b62\u6b7b\u9396\u3002\u5982\u679c\u9396\u7684\u6301\u6709\u8005\u5728\u904e\u671f\u4e4b\u524d\u672a\u91cb\u653e\u9396\uff0c\u5247\u5176\u4ed6\u5ba2\u6236\u7aef\u5c07\u7121\u6cd5\u7372\u5f97\u9396\u3002<\/li>\n<li><strong>\u9396\u7684\u552f\u4e00\u6027\uff1a<\/strong>\u4f7f\u7528\u552f\u4e00\u6a19\u8b58\u7b26\u4f86\u78ba\u4fdd\u53ea\u6709\u6301\u6709\u8a72\u6a19\u8b58\u7b26\u7684\u5ba2\u6236\u7aef\u80fd\u5920\u91cb\u653e\u9396\u3002<\/li>\n<li><strong>\u91cd\u8a66\u6a5f\u5236\uff1a<\/strong>\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u61c9\u8a2d\u7f6e\u91cd\u8a66\u6a5f\u5236\uff0c\u4ee5\u907f\u514d\u56e0\u70ba\u77ac\u6642\u7af6\u722d\u800c\u5c0e\u81f4\u7684\u9396\u7372\u53d6\u5931\u6557\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-PsvxAwdAYf\">\u7d50\u8ad6<\/h2>\n<p>Redis \u5206\u5e03\u5f0f\u9396\u662f\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5206\u5e03\u5f0f\u7cfb\u7d71\u4e2d\u7ba1\u7406\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0cRedis \u5206\u5e03\u5f0f\u9396\u53ef\u4ee5\u6709\u6548\u5730\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u548c\u7af6\u722d\u689d\u4ef6\u7684\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u4f7f\u7528 Redis \u4f5c\u70ba\u9396\u7684\u5be6\u73fe\u5de5\u5177\u662f\u975e\u5e38\u5408\u9069\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u9ad8\u6548\u7684\u5206\u5e03\u5f0f\u7cfb\u7d71\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Redis\u5206\u5e03\u5f0f\u9396\u7684\u5be6\u73fe\u539f\u7406\uff0c\u900f\u904e\u5716\u89e3\u6df1\u5165\u89e3\u6790\u5176\u5de5\u4f5c\u6a5f\u5236\u8207\u61c9\u7528\u5834\u666f\uff0c\u52a9\u4f60\u8f15\u9b06\u638c\u63e1\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-99200","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99200","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=99200"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99200\/revisions"}],"predecessor-version":[{"id":99201,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/99200\/revisions\/99201"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=99200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=99200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=99200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}