89890漫画,什么时候端午节,宋茜与昌珉
redis提供了灵活的数据查询方式,最牛的就是key的搜索支持正则表达式。
jedis.keys(“*”);表示搜索所有key
jedis.keys(“abc*”)表示搜索开头为abc的key数据
遍历了key就能遍历到value。
其实就是一个set
redisdo rd = new redisdo();
rd.open();
set s = rd.jedis.keys("*");
iterator it = s.iterator();
while (it.hasnext()) {
string key = (string) it.next();
string value = rd.jedis.get(key);
system.out.println(key + value);
}
rd.close();
rd的算法为集成redis 运算
package com.javaer.click.way;
import redis.clients.jedis.jedis;
import redis.clients.jedis.jedispool;
import redis.clients.jedis.jedispoolconfig;
import redis.clients.jedis.exceptions.jedisconnectionexception;
public class redisdo {
public jedis jedis;
public void close(){
jedis.disconnect();
jedis = null;
}
public jedis open(){
jedispoolconfig config = new jedispoolconfig();
config.setmaxactive(100);
config.setmaxidle(20);
config.setmaxwait(1000l);
jedispool pool;
pool = new jedispool(config, "xxxxxxxx.xx.xx.xx", 6379);
boolean borroworoprsuccess = true;
try {
jedis = pool.getresource();
// do redis opt by instance
} catch (jedisconnectionexception e) {
borroworoprsuccess = false;
if (jedis != null)
pool.returnbrokenresource(jedis);
} finally {
if (borroworoprsuccess)
pool.returnresource(jedis);
}
jedis = pool.getresource();
return jedis;
}
/**
* @param args
*/
public static void main(string[] args) {
// todo auto-generated method stub
}
}
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