{"id":201343,"date":"2025-05-10T11:22:56","date_gmt":"2025-05-10T03:22:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201343\/"},"modified":"2025-05-10T11:22:56","modified_gmt":"2025-05-10T03:22:56","slug":"%e4%bd%bf%e7%94%a8redis%e7%ae%a1%e7%90%86%e7%94%a8%e6%88%b7%e7%99%bb%e5%bd%95%e4%bc%9a%e8%af%9d%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201343\/","title":{"rendered":"\u4f7f\u7528redis\u7ba1\u7406\u7528\u6237\u767b\u5f55\u4f1a\u8bdd\u7684\u65b9\u6cd5"},"content":{"rendered":"

<\/b> <\/p>\n

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<\/i>\u6536\u85cf<\/span> <\/p>\n

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\u767b\u5f55\u548ccookie\u7f13\u5b58<\/strong><\/span><\/p>\n

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cookie\u7c7b\u578b<\/th>\n\u4f18\u70b9<\/th>\n\u7f3a\u70b9<\/th>\n<\/tr>\n<\/thead>\n
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\u4e0b\u9762\u662f\u7528java\u5199\u7684\u4e00\u4e2a\u4f8b\u5b50<\/strong><\/span><\/p>\n

\nimport java.util.ArrayList;\nimport java.util.Set;\nimport redis.clients.jedis.Jedis;\npublic class Login {\n public String checkToken(Jedis conn,String token){\n  return conn.hget(\"login:\", token);\n }\n public void updateToken(Jedis conn,String token,String user,String item){\n  long time=System.currentTimeMillis()\/1000;\n  conn.hset(\"login:\", token, user);\/\/\u7ef4\u6301\u4ee4\u724c\u4e0e\u7528\u6237\u4e4b\u95f4\u7684\u6620\u5c04\n  conn.zadd(\"recent:\", time, token);\/\/\u4fdd\u5b58\u4ee4\u724c\u6700\u540e\u4e00\u6b21\u51fa\u73b0\u7684\u65f6\u95f4\n  if(item!=null){\n   conn.zadd(\"viewd:\"+token, time, item);\/\/\u6839\u636e\u8fd9\u4e2a\u4ee4\u724c\u6765\u8bbe\u7f6e\u8be5\u7528\u6237\u5728\u8fd9\u4e2a\u65f6\u95f4\u6233\u8bbf\u95ee\u7684\u5546\u54c1\u540d\u5b57\n   conn.zremrangeByRank(\"viewd:\"+token, 0, -26);\/\/\u79fb\u9664\u5c31\u7684\u7528\u6237\u8bb0\u5f55\uff0c\u53ea\u4fdd\u7559\u7528\u6237\u6d4f\u89c8\u8fc7\u768425\u4e2a\u5546\u54c1\u3002\n   conn.zincrby(\"viewd:\", -1, item);\n  }\n }\n public class CleanSessionsThread extends Thread{\n  private Jedis conn;\n  private int limit;\n  private boolean quit;\n  public CleanSessionsThread(int limit) {\n   \/\/ TODO Auto-generated constructor stub\n   this.conn=new Jedis(\"localhost\");\n   conn.select(15);\n   this.limit=limit;\n  }\n  public void quit(){\n   quit=true;\n  }\n  @Override\n  public void run() {\n   \/\/ TODO Auto-generated method stub\n   while(!quit){\n    long size=conn.zcard(\"recent:\");\/\/\u4f9d\u636e\u767b\u5f55\u65f6\u95f4\u786e\u5b9a\u5728\u7ebf\u4eba\u6570\n    if(size tokensSet=conn.zrange(\"recent:\", 0, endIndex-1);\n     String[] tokens=tokensSet.toArray(new String[tokensSet.size()]);\n     ArrayList\n   \n     sessionKeys=new ArrayList();\n     for(String token:tokens){\n      sessionKeys.add(\"viewd:\"+token);\n     }\n     conn.del(sessionKeys.toArray(new String[sessionKeys.size()]));\n     conn.hdel(\"login:\", tokens);\n     conn.zrem(\"recent:\", tokens);\n    }\n   }\n  }\n }\n}\n   <\/pre>\n
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