{"id":202251,"date":"2025-05-10T15:18:13","date_gmt":"2025-05-10T07:18:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202251\/"},"modified":"2025-05-10T15:18:13","modified_gmt":"2025-05-10T07:18:13","slug":"redis%e5%9c%a8%e6%b8%b8%e6%88%8f%e5%bc%80%e5%8f%91%e4%b8%ad%e7%9a%84%e4%bd%9c%e7%94%a8%e5%8f%8a%e5%ba%94%e7%94%a8%e6%a1%88%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202251\/","title":{"rendered":"Redis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u6848\u4f8b"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u6848\u4f8b<\/h1>\n<p>\u600e\u4e48\u5165\u95e8\u6570\u636e\u5e93\u7f16\u7a0b\uff1f\u9700\u8981\u5b66\u4e60\u54ea\u4e9b\u77e5\u8bc6\u70b9\uff1f\u8fd9\u662f\u65b0\u624b\u4eec\u521a\u63a5\u89e6\u7f16\u7a0b\u65f6\u5e38\u89c1\u7684\u95ee\u9898\uff1b\u4e0b\u9762golang\u5b66\u4e60\u7f51\u5c31\u6765\u7ed9\u5927\u5bb6\u6574\u7406\u5206\u4eab\u4e00\u4e9b\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u591f\u7ed9\u521d\u5b66\u8005\u4e00\u4e9b\u5e2e\u52a9\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u4ecb\u7ecd\u300aRedis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u6848\u4f8b\u300b\uff0c\u6d89\u53ca\u5230\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u6536\u85cf\u4e00\u4e0b<\/p>\n<p>Redis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u6848\u4f8b<\/p>\n<p>\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\uff0c\u6570\u636e\u7684\u9ad8\u901f\u8bfb\u5199\u548c\u5b9e\u65f6\u6027\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u800cRedis\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRedis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u4ee5\u53ca\u5e94\u7528\u6848\u4f8b\uff0c\u5e76\u63d0\u4f9b\u76f8\u5173\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001Redis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528<\/p>\n<ol>\n<li>\u7f13\u5b58\u6570\u636e<br \/>\u6e38\u620f\u4e2d\u7684\u5404\u79cd\u6570\u636e\uff0c\u5982\u73a9\u5bb6\u4fe1\u606f\u3001\u6e38\u620f\u5730\u56fe\u7b49\uff0c\u9700\u8981\u9891\u7e41\u8bfb\u53d6\u548c\u66f4\u65b0\u3002\u4e3a\u4e86\u63d0\u9ad8\u8bfb\u5199\u6548\u7387\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u6570\u636e\u7f13\u5b58\u5230Redis\u4e2d\u3002Redis\u7684\u9ad8\u901f\u8bfb\u5199\u80fd\u529b\u53ef\u4ee5\u6781\u5927\u5730\u51cf\u8f7b\u6570\u636e\u5e93\u7684\u538b\u529b\uff0c\u63d0\u9ad8\u6e38\u620f\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n<li>\u5b9e\u65f6\u6392\u884c\u699c<br \/>\u5728\u6e38\u620f\u4e2d\uff0c\u73a9\u5bb6\u4e4b\u95f4\u7684\u5b9e\u65f6\u7ade\u4e89\u662f\u975e\u5e38\u5e38\u89c1\u7684\u3002\u901a\u8fc7\u5c06\u73a9\u5bb6\u7684\u5206\u6570\u3001\u7b49\u7ea7\u7b49\u6570\u636e\u5b58\u50a8\u5728Redis\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u5b9e\u65f6\u6392\u884c\u699c\u7684\u529f\u80fd\u3002\u6e38\u620f\u670d\u52a1\u5668\u53ef\u4ee5\u5b9e\u65f6\u66f4\u65b0\u73a9\u5bb6\u7684\u5206\u6570\u5e76\u66f4\u65b0\u6392\u884c\u699c\uff0c\u73a9\u5bb6\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u81ea\u5df1\u7684\u6392\u540d\u548c\u5176\u4ed6\u73a9\u5bb6\u7684\u6570\u636e\u3002<\/li>\n<li>\u804a\u5929\u670d\u52a1\u5668<br \/>\u6e38\u620f\u4e2d\u7684\u804a\u5929\u529f\u80fd\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u73a9\u5bb6\u53ef\u4ee5\u901a\u8fc7\u804a\u5929\u4e0e\u5176\u4ed6\u73a9\u5bb6\u4ea4\u6d41\u3002\u4e3a\u4e86\u5b9e\u73b0\u5b9e\u65f6\u804a\u5929\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u3002\u804a\u5929\u670d\u52a1\u5668\u5c06\u7528\u6237\u53d1\u9001\u7684\u804a\u5929\u6d88\u606f\u53d1\u5e03\u5230Redis\u7684\u6307\u5b9a\u9891\u9053\uff0c\u5176\u4ed6\u7528\u6237\u8ba2\u9605\u8be5\u9891\u9053\u5373\u53ef\u63a5\u6536\u5230\u5b9e\u65f6\u7684\u804a\u5929\u6d88\u606f\u3002<\/li>\n<li>\u5206\u5e03\u5f0f\u9501<br \/>\u5728\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u7684\u6e38\u620f\u670d\u52a1\u5668\u4e2d\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u3002Redis\u63d0\u4f9b\u4e86\u539f\u5b50\u64cd\u4f5c\u548c\u4e8b\u52a1\u652f\u6301\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u3002\u901a\u8fc7Redis\u7684SETNX\u547d\u4ee4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e92\u65a5\u5730\u83b7\u53d6\u9501\uff0c\u907f\u514d\u591a\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u540c\u65f6\u5bf9\u540c\u4e00\u8d44\u6e90\u8fdb\u884c\u4fee\u6539\u3002<\/li>\n<\/ol>\n<p>\u4e8c\u3001Redis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u6848\u4f8b<\/p>\n<ol>\n<li>\u5b9e\u65f6\u6392\u884c\u699c<br \/>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u5b9e\u73b0\u5b9e\u65f6\u6392\u884c\u699c\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<pre>import redis\n\n# \u8fde\u63a5Redis\u670d\u52a1\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5c06\u73a9\u5bb6\u5206\u6570\u5b58\u50a8\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\ndef update_score(player_id, score):\n    r.zadd('rank', {player_id: score})\n\n# \u83b7\u53d6\u6392\u884c\u699c\u524dN\u540d\u73a9\u5bb6\ndef get_top_players(n):\n    return r.zrevrange('rank', 0, n-1, withscores=True)<\/pre>\n<ol>\n<li>\u804a\u5929\u670d\u52a1\u5668<br \/>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u7684\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u5b9e\u73b0\u804a\u5929\u529f\u80fd\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<pre>import redis\n\n# \u8fde\u63a5Redis\u670d\u52a1\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u7528\u6237\u53d1\u9001\u804a\u5929\u6d88\u606f\ndef send_message(user_id, message):\n    r.publish('chat', f'{user_id}: {message}')\n\n# \u7528\u6237\u63a5\u6536\u804a\u5929\u6d88\u606f\ndef receive_message():\n    pubsub = r.pubsub()\n    pubsub.subscribe('chat')\n\n    for message in pubsub.listen():\n        print(message['data'])<\/pre>\n<ol>\n<li>\u5206\u5e03\u5f0f\u9501<br \/>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/li>\n<\/ol>\n<pre>import redis\nimport time\n\n# \u8fde\u63a5Redis\u670d\u52a1\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u83b7\u53d6\u9501\ndef acquire_lock(lock_key, timeout):\n    while True:\n        result = r.setnx(lock_key, time.time())\n        if result == 1 or (time.time() - r.get(lock_key)) &gt; timeout:\n            return True\n        time.sleep(0.1)\n\n# \u91ca\u653e\u9501\ndef release_lock(lock_key):\n    r.delete(lock_key)<\/pre>\n<p>\u4ee5\u4e0a\u662fRedis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u6848\u4f8b\uff0c\u901a\u8fc7\u4f7f\u7528Redis\u63d0\u4f9b\u7684\u9ad8\u901f\u8bfb\u5199\u548c\u5b9e\u65f6\u6027\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u5347\u6e38\u620f\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u65e0\u8bba\u662f\u7f13\u5b58\u6570\u636e\u3001\u5b9e\u65f6\u6392\u884c\u699c\u3001\u804a\u5929\u670d\u52a1\u5668\u8fd8\u662f\u5206\u5e03\u5f0f\u9501\uff0cRedis\u90fd\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\u3002\u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u5bf9\u6e38\u620f\u5f00\u53d1\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   PHP\u5f00\u53d1\u7f13\u5b58\u6846\u67b6\u7684\u9009\u62e9\u4e0e\u6bd4\u8f83\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Redis\uff1a\u6784\u5efa\u9ad8\u6027\u80fdWeb\u5e94\u7528\u7684\u79d8\u5bc6\u6b66\u5668\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u5728\u6e38\u620f\u5f00\u53d1\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94&#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":[101],"tags":[],"class_list":["post-202251","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202251","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=202251"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202251\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}