{"id":128319,"date":"2024-10-26T13:16:18","date_gmt":"2024-10-26T05:16:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128319\/"},"modified":"2024-10-26T13:16:18","modified_gmt":"2024-10-26T05:16:18","slug":"redis-%e5%af%a6%e7%8f%be%e7%9a%84-java-%e8%ae%80%e5%af%ab%e9%8e%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128319\/","title":{"rendered":"Redis \u5be6\u73fe\u7684 Java \u8b80\u5beb\u9396"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%9a%84-java-%e8%ae%80%e5%af%ab%e9%8e%96-RQRkZsVjVy\">Redis \u5be6\u73fe\u7684 Java \u8b80\u5beb\u9396<\/h1>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u63a7\u5236\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u70ba\u4e86\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u548c\u7af6\u722d\u689d\u4ef6\uff0c\u958b\u767c\u8005\u901a\u5e38\u6703\u4f7f\u7528\u9396\u4f86\u4fdd\u8b77\u5171\u4eab\u8cc7\u6e90\u3002Java \u63d0\u4f9b\u4e86\u591a\u7a2e\u9396\u7684\u5be6\u73fe\u65b9\u5f0f\uff0c\u5176\u4e2d\u8b80\u5beb\u9396\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe Java \u7684\u8b80\u5beb\u9396\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%ae%80%e5%af%ab%e9%8e%96%ef%bc%9f-RQRkZsVjVy\">\u4ec0\u9ebc\u662f\u8b80\u5beb\u9396\uff1f<\/h2>\n<p>\u8b80\u5beb\u9396\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u9396\uff0c\u5141\u8a31\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8b80\u53d6\u5171\u4eab\u8cc7\u6e90\uff0c\u4f46\u5728\u5beb\u5165\u6642\u6703\u7372\u5f97\u7368\u4f54\u6b0a\u9650\u3002\u9019\u610f\u5473\u8457\u7576\u4e00\u500b\u7dda\u7a0b\u6b63\u5728\u5beb\u5165\u6578\u64da\u6642\uff0c\u5176\u4ed6\u7dda\u7a0b\u7121\u6cd5\u8b80\u53d6\u6216\u5beb\u5165\u8a72\u6578\u64da\u3002\u9019\u7a2e\u9396\u7684\u512a\u52e2\u5728\u65bc\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u4e26\u767c\u6027\uff0c\u7279\u5225\u662f\u5728\u8b80\u53d6\u64cd\u4f5c\u9060\u591a\u65bc\u5beb\u5165\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-RQRkZsVjVy\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u4e26\u4e14\u5177\u6709\u826f\u597d\u7684\u4e26\u767c\u6027\u80fd\u3002\u4f7f\u7528 Redis \u4f5c\u70ba\u9396\u7684\u5be6\u73fe\uff0c\u53ef\u4ee5\u8de8\u591a\u500b\u61c9\u7528\u5be6\u4f8b\u5171\u4eab\u9396\u72c0\u614b\uff0c\u9019\u5c0d\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u5c24\u70ba\u91cd\u8981\u3002\u6b64\u5916\uff0cRedis \u63d0\u4f9b\u4e86\u539f\u5b50\u64cd\u4f5c\uff0c\u9019\u4f7f\u5f97\u9396\u7684\u5be6\u73fe\u66f4\u52a0\u7c21\u55ae\u548c\u5b89\u5168\u3002<\/p>\n<h2 id=\"redis-%e8%ae%80%e5%af%ab%e9%8e%96%e7%9a%84%e5%af%a6%e7%8f%be-RQRkZsVjVy\">Redis \u8b80\u5beb\u9396\u7684\u5be6\u73fe<\/h2>\n<p>\u5728 Redis \u4e2d\u5be6\u73fe\u8b80\u5beb\u9396\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528\u5169\u500b\u9375\u4f86\u5206\u5225\u8868\u793a\u8b80\u9396\u548c\u5beb\u9396\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u4e00\u500b\u9375\u4f86\u8a08\u6578\u7576\u524d\u7684\u8b80\u53d6\u8005\u6578\u91cf\u3002<\/li>\n<li>\u4f7f\u7528\u53e6\u4e00\u500b\u9375\u4f86\u8868\u793a\u5beb\u9396\u7684\u72c0\u614b\u3002<\/li>\n<li>\u5728\u8b80\u53d6\u6642\uff0c\u6aa2\u67e5\u5beb\u9396\u662f\u5426\u88ab\u4f54\u7528\uff0c\u5982\u679c\u6c92\u6709\uff0c\u5247\u589e\u52a0\u8b80\u53d6\u8005\u8a08\u6578\u3002<\/li>\n<li>\u5728\u5beb\u5165\u6642\uff0c\u6aa2\u67e5\u8b80\u53d6\u8005\u8a08\u6578\u662f\u5426\u70ba\u96f6\uff0c\u4e26\u4e14\u5beb\u9396\u662f\u5426\u672a\u88ab\u4f54\u7528\uff0c\u7136\u5f8c\u7372\u53d6\u5beb\u9396\u3002<\/li>\n<li>\u91cb\u653e\u9396\u6642\uff0c\u6e1b\u5c11\u8a08\u6578\u6216\u522a\u9664\u9396\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-RQRkZsVjVy\">\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<pre><code>\nimport redis.clients.jedis.Jedis;\n\npublic class RedisReadWriteLock {\n    private Jedis jedis;\n    private String readLockKey = \"readLock\";\n    private String writeLockKey = \"writeLock\";\n\n    public RedisReadWriteLock(Jedis jedis) {\n        this.jedis = jedis;\n    }\n\n    public void readLock() {\n        while (true) {\n            \/\/ \u6aa2\u67e5\u5beb\u9396\u662f\u5426\u88ab\u4f54\u7528\n            if (jedis.exists(writeLockKey)) {\n                \/\/ \u7b49\u5f85\n                continue;\n            }\n            \/\/ \u589e\u52a0\u8b80\u53d6\u8005\u8a08\u6578\n            jedis.incr(readLockKey);\n            break;\n        }\n    }\n\n    public void readUnlock() {\n        jedis.decr(readLockKey);\n    }\n\n    public void writeLock() {\n        while (true) {\n            \/\/ \u6aa2\u67e5\u8b80\u53d6\u8005\u8a08\u6578\n            if (Integer.parseInt(jedis.get(readLockKey)) &gt; 0 || jedis.exists(writeLockKey)) {\n                \/\/ \u7b49\u5f85\n                continue;\n            }\n            \/\/ \u7372\u53d6\u5beb\u9396\n            jedis.set(writeLockKey, \"locked\");\n            break;\n        }\n    }\n\n    public void writeUnlock() {\n        jedis.del(writeLockKey);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-RQRkZsVjVy\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u5be6\u73fe\u8b80\u5beb\u9396\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u9396\u7684\u91cb\u653e\u64cd\u4f5c\u5728\u6240\u6709\u60c5\u6cc1\u4e0b\u90fd\u80fd\u57f7\u884c\uff0c\u907f\u514d\u6b7b\u9396\u3002<\/li>\n<li>\u8003\u616e\u5230\u7db2\u7d61\u5ef6\u9072\u548c Redis \u7684\u53ef\u7528\u6027\uff0c\u61c9\u8a72\u8a2d\u8a08\u5408\u7406\u7684\u91cd\u8a66\u6a5f\u5236\u3002<\/li>\n<li>\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u4f7f\u7528\u66f4\u9ad8\u7d1a\u7684\u9396\u5be6\u73fe\uff0c\u5982 Redisson \u63d0\u4f9b\u7684\u5206\u4f48\u5f0f\u9396\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RQRkZsVjVy\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe Java \u7684\u8b80\u5beb\u9396\uff0c\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u9ad8\u4e26\u767c\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe Java \u8b80\u5beb\u9396\uff0c\u63d0\u5347\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u6578\u64da\u4e00\u81f4\u6027\u8207\u6027\u80fd\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-128319","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128319","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=128319"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128319\/revisions"}],"predecessor-version":[{"id":128320,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128319\/revisions\/128320"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128319"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128319"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128319"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}