{"id":196704,"date":"2024-11-14T01:49:22","date_gmt":"2024-11-13T17:49:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196704\/"},"modified":"2024-11-14T01:49:24","modified_gmt":"2024-11-13T17:49:24","slug":"%e9%87%8d%e5%a1%91%e6%95%b8%e6%93%9a%e6%9c%8d%e5%8b%99redis%e7%b7%a9%e5%ad%98%e6%a8%b9%e7%b5%90%e6%a7%8b%e5%af%a6%e8%b8%90%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%a8%b9%e7%b5%90%e6%a7%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196704\/","title":{"rendered":"\u91cd\u5851\u6578\u64da\u670d\u52d9Redis\u7de9\u5b58\u6a39\u7d50\u69cb\u5be6\u8e10\uff08redis\u7de9\u5b58\u6a39\u7d50\u69cb\uff09"},"content":{"rendered":"<h1 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Cluster\u5be6\u73fe\u6578\u64da\u7684\u5206\u4f48\u5f0f\u5b58\u5132\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%b7%a9%e5%ad%98%e6%a8%b9%e7%b5%90%e6%a7%8b%e7%9a%84%e5%af%a6%e7%8f%be-FdAXHjCJZN\">Redis\u7de9\u5b58\u6a39\u7d50\u69cb\u7684\u5be6\u73fe<\/h2>\n<p>\u5728\u5be6\u73feRedis\u7de9\u5b58\u6a39\u7d50\u69cb\u6642\uff0c\u9996\u5148\u9700\u8981\u78ba\u5b9a\u6a39\u7684\u7bc0\u9ede\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6a39\u7d50\u69cb\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nclass TreeNode {\n    String id;\n    String name;\n    List children;\n\n    public TreeNode(String id, String name) {\n        this.id = id;\n        this.name = name;\n        this.children = new ArrayList();\n    }\n}\n<\/code><\/pre>\n<p>\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u5b58\u5132\u6bcf\u500b\u7bc0\u9ede\u7684\u5c6c\u6027\uff0c\u4e26\u4f7f\u7528\u5217\u8868\u4f86\u5b58\u5132\u6bcf\u500b\u7bc0\u9ede\u7684\u5b50\u7bc0\u9ede\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u4e00\u500b\u7bc0\u9ede\uff0c\u6211\u5011\u53ef\u4ee5\u9019\u6a23\u5b58\u5132\uff1a<\/p>\n<pre><code>\nredis.hset(\"node:1\", \"name\", \"\u6839\u7bc0\u9ede\");\nredis.rpush(\"node:1:children\", \"node:2\", \"node:3\");\nredis.hset(\"node:2\", \"name\", \"\u5b50\u7bc0\u9ede1\");\nredis.hset(\"node:3\", \"name\", \"\u5b50\u7bc0\u9ede2\");\n<\/code><\/pre>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%a8%b9%e7%b5%90%e6%a7%8b-FdAXHjCJZN\">\u67e5\u8a62\u6a39\u7d50\u69cb<\/h3>\n<p>\u8981\u67e5\u8a62\u6a39\u7d50\u69cb\u4e2d\u7684\u67d0\u500b\u7bc0\u9ede\u53ca\u5176\u5b50\u7bc0\u9ede\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\npublic TreeNode getNode(String id) {\n    Map nodeData = redis.hgetAll(\"node:\" + id);\n    TreeNode node = new TreeNode(id, nodeData.get(\"name\"));\n    \n    List childrenIds = redis.lrange(\"node:\" + id + \":children\", 0, -1);\n    for (String childId : childrenIds) {\n        node.children.add(getNode(childId));\n    }\n    \n    return node;\n}\n<\/code><\/pre>\n<h3 id=\"%e6%9b%b4%e6%96%b0%e6%a8%b9%e7%b5%90%e6%a7%8b-FdAXHjCJZN\">\u66f4\u65b0\u6a39\u7d50\u69cb<\/h3>\n<p>\u5728\u66f4\u65b0\u6a39\u7d50\u69cb\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u4fee\u6539\u54c8\u5e0c\u8868\u4e2d\u7684\u5c6c\u6027\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u66f4\u65b0\u67d0\u500b\u7bc0\u9ede\u7684\u540d\u7a31\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\npublic void updateNodeName(String id, String newName) {\n    redis.hset(\"node:\" + id, \"name\", newName);\n}\n<\/code><\/pre>\n<h2 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