{"id":184376,"date":"2024-11-10T12:42:20","date_gmt":"2024-11-10T04:42:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184376\/"},"modified":"2024-11-10T12:42:21","modified_gmt":"2024-11-10T04:42:21","slug":"%e4%bd%bf%e7%94%a8redis%e7%8d%b2%e5%8f%96%e4%b8%a6%e9%87%8b%e6%94%be%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%ef%bc%88redis%e7%8d%b2%e5%8f%96%e9%8e%96%e9%87%8b%e6%94%be%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184376\/","title":{"rendered":"\u4f7f\u7528Redis\u7372\u53d6\u4e26\u91cb\u653e\u9396\u7684\u5be6\u73fe\uff08redis\u7372\u53d6\u9396\u91cb\u653e\u9396\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e7%8d%b2%e5%8f%96%e4%b8%a6%e9%87%8b%e6%94%be%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%ef%bc%88redis%e7%8d%b2%e5%8f%96%e9%8e%96%e9%87%8b%e6%94%be%e9%8e%96%ef%bc%89-OMRamktLwr\">\u4f7f\u7528Redis\u7372\u53d6\u4e26\u91cb\u653e\u9396\u7684\u5be6\u73fe\uff08redis\u7372\u53d6\u9396\u91cb\u653e\u9396\uff09<\/h1>\n<p>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9396\u7684\u7ba1\u7406\u662f\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u548c\u9632\u6b62\u7af6\u722d\u689d\u4ef6\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u9396\u6a5f\u5236\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u7372\u53d6\u548c\u91cb\u653e\u9396\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u5be6\u73fe\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8redis%e4%bd%9c%e7%82%ba%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be-OMRamktLwr\">\u70ba\u4ec0\u9ebc\u4f7f\u7528Redis\u4f5c\u70ba\u9396\u7684\u5be6\u73fe<\/h2>\n<p>Redis\u7684\u9ad8\u6027\u80fd\u548c\u539f\u5b50\u64cd\u4f5c\u4f7f\u5176\u6210\u70ba\u5be6\u73fe\u9396\u7684\u7406\u60f3\u9078\u64c7\u3002\u4f7f\u7528Redis\u4f86\u7ba1\u7406\u9396\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u64cd\u4f5c\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u5b8c\u6210\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u652f\u6301\uff1a<\/strong>Redis\u53ef\u4ee5\u5728\u591a\u500b\u670d\u52d9\u5668\u4e4b\u9593\u5171\u4eab\u9396\uff0c\u9069\u5408\u5206\u4f48\u5f0f\u7cfb\u7d71\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\u4f86\u5be6\u73fe\u9396\u7684\u7372\u53d6\u548c\u91cb\u653e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-OMRamktLwr\">Redis\u9396\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis\u9396\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u4e00\u500b\u7279\u5b9a\u7684\u9375\u4f86\u8868\u793a\u9396\u7684\u72c0\u614b\u3002\u7576\u4e00\u500b\u5ba2\u6236\u7aef\u60f3\u8981\u7372\u53d6\u9396\u6642\uff0c\u5b83\u6703\u5617\u8a66\u8a2d\u7f6e\u9019\u500b\u9375\u3002\u5982\u679c\u8a2d\u7f6e\u6210\u529f\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u7372\u53d6\uff1b\u5982\u679c\u8a2d\u7f6e\u5931\u6557\uff0c\u5247\u8868\u793a\u9396\u5df2\u88ab\u5176\u4ed6\u5ba2\u6236\u7aef\u7372\u53d6\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u9396\u7684\u9375\u6703\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u4ee5\u9632\u6b62\u56e0\u70ba\u67d0\u4e9b\u539f\u56e0\uff08\u5982\u7a0b\u5e8f\u5d29\u6f70\uff09\u5c0e\u81f4\u9396\u7121\u6cd5\u91cb\u653e\u7684\u60c5\u6cc1\u3002\u9019\u6a23\u53ef\u4ee5\u4fdd\u8b49\u7cfb\u7d71\u7684\u5065\u58ef\u6027\u3002<\/p>\n<h2 id=\"redis%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-OMRamktLwr\">Redis\u9396\u7684\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u5be6\u73fe\u9396\u7684\u7c21\u55ae\u793a\u4f8b\uff0c\u4f7f\u7528Python\u8a9e\u8a00\u548credis-py\u5eab\u4f86\u6f14\u793a\u5982\u4f55\u7372\u53d6\u548c\u91cb\u653e\u9396\u3002<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\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  # \u7372\u53d6\u9396\u6210\u529f\n        time.sleep(0.001)  # \u7b49\u5f85\u4e00\u6bb5\u6642\u9593\u518d\u91cd\u8a66\n\n    return False  # \u7372\u53d6\u9396\u5931\u6557\n\ndef release_lock(lock_name, identifier):\n    lock_key = f\"lock:{lock_name}\"\n    if r.get(lock_key) == identifier:\n        r.delete(lock_key)  # \u91cb\u653e\u9396\n        return True\n    return False  # \u91cb\u653e\u9396\u5931\u6557\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c<code>acquire_lock<\/code>\u51fd\u6578\u7528\u65bc\u7372\u53d6\u9396\uff0c\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4ee5\u9632\u6b62\u6b7b\u9396\u3002<code>release_lock<\/code>\u51fd\u6578\u5247\u7528\u65bc\u91cb\u653e\u9396\uff0c\u53ea\u6709\u7576\u9396\u7684\u64c1\u6709\u8005\u8207\u7576\u524d\u8acb\u6c42\u8005\u4e00\u81f4\u6642\uff0c\u624d\u80fd\u6210\u529f\u91cb\u653e\u9396\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-OMRamktLwr\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u5be6\u73fe\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\uff0c\u4ee5\u9632\u6b62\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002<\/li>\n<li><strong>\u9396\u7684\u552f\u4e00\u6027\uff1a<\/strong>\u78ba\u4fdd\u6bcf\u500b\u9396\u90fd\u6709\u552f\u4e00\u7684\u6a19\u8b58\u7b26\uff0c\u4ee5\u4fbf\u6b63\u78ba\u91cb\u653e\u9396\u3002<\/li>\n<li><strong>\u91cd\u8a66\u6a5f\u5236\uff1a<\/strong>\u5728\u7372\u53d6\u9396\u5931\u6557\u6642\uff0c\u61c9\u8a72\u8a2d\u7f6e\u91cd\u8a66\u6a5f\u5236\uff0c\u4ee5\u63d0\u9ad8\u7372\u53d6\u9396\u7684\u6210\u529f\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OMRamktLwr\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u4f86\u7372\u53d6\u548c\u91cb\u653e\u9396\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u7c21\u55ae\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u9069\u5408\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u9396\u7684\u904e\u671f\u6642\u9593\u548c\u552f\u4e00\u6027\u6a19\u8b58\u7b26\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9396\u7684\u72c0\u614b\uff0c\u907f\u514d\u7af6\u722d\u689d\u4ef6\u548c\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u8868\u73fe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9396\u7684\u7372\u53d6\u8207\u91cb\u653e\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\u4e26\u767c\u63a7\u5236\u7684\u6700\u4f73\u5be6\u8e10\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-184376","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184376","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=184376"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184376\/revisions"}],"predecessor-version":[{"id":184377,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184376\/revisions\/184377"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}