java和redies的用法

野性酷女 2022-06-03 09:44 201阅读 0赞

package com.yanshu.tools;  
  
  
import java.util.ArrayList;  
import java.util.HashMap;  
import java.util.Iterator;  
import java.util.List;  
import java.util.Map;  
  
  
import com.alibaba.fastjson.JSON;  
import com.fasterxml.jackson.core.sym.Name;  
  
  
import redis.clients.jedis.Jedis;  
  
  
public class JedisUtilsTest \{  
//private static Jedis jedis;  
//Redis存储字符串  
public static void testString()  
\{  
Jedis jedis=JedisUtils.getJedis();  
System.out.println("连接服务器"+jedis.ping());  
jedis.select(13);  
//----添加数据-----  
jedis.set("name","xinxin");//向key-->>name中放入了value--->xinxin  
System.out.println("第一次:"+jedis.get("name"));//执行结果:xinxin  
jedis.append("name", "is my lover");  
System.out.println("拼接:append:"+jedis.get("name"));  
//删除某个键  
jedis.del("name");  
System.out.println("del:"+jedis.get("name"));  
//设置多个键值对  
jedis.mset("name","liuling","age","23","qq","2383677125");  
System.out.println("查询:"+jedis.get("age"));  
jedis.incr("age");//进行加1操作  
System.out.println(jedis.get("name")+"-"+jedis.get("age")+"-"+jedis.get("qq"));  
\}  
public static void getMap()  
\{  
Jedis jedis=JedisUtils.getJedis();  
jedis.select(13);  
//-----添加数据----  
Map<String, String> map=new HashMap<String,String>();  
map.put("name","xiaolin");  
map.put("age","23");  
map.put("qq","123456");  
jedis.hmset("user",map);     
//取出user中的name，执行结果:\[minxr\]-->注意结果是一个泛型的List    
        //第一个参数是存入redis中map对象的key，后面跟的是放入map中的对象的key，后面的key可以跟多个，是可变参数    
List<String> rsmap=jedis.hmget("user","name","age","qq");//查询redis里面的内容  
System.out.println(rsmap);  
//删除map中的某个键值  
jedis.hdel("user","age");  
System.out.println(jedis.hmget("user","age"));//因为删除了，所以返回的是null  
System.out.println(jedis.hlen("user"));//返回key为user的键中存放发值的个数2  
System.out.println(jedis.exists("user"));//是否存在key为user的记录，返回true  
System.out.println(jedis.hkeys("user"));//返回map对象中的所有key  
System.out.println(jedis.hvals("user"));//返回map对象中的所有value  
//Iterable<String> iterable=(Iterable<String>) jedis.hkeys("user").iterator();  
/\* while(((Iterator<String>) iterable).hasNext())  
\{  
String string=((Iterator<String>) iterable).next();  
String key = null;  
System.out.println(key+":"+jedis.hmget("user",key));  
\}\*/   
\}  
  
public static void getMap1()  
\{  
Jedis jedis=JedisUtils.getJedis();  
jedis.select(2);  
Map map=new HashMap<>();  
List list=new ArrayList<>();  
list.add("969846754");  
list.add("2383677125");  
map.put("name", "小明");  
map.put("age","23");  
map.put("QQ",list);  
String string=JSON.toJSONString(map).replaceAll("\\"","\\'");  
String key="red:test01";  
Long lpush = jedis.lpush(key, string);  
System.out.println("有几条:"+lpush);  
  
  
  
\}  
  
  
  
  
  
public static void main(String\[\] args) \{  
  
/\*Jedis jedis = new Jedis("106.75.132.229 ",6379);//创建连接  
 jedis.auth("zxasqw123");//设置密码  
   jedis.select(13);//数据的索引  
\*/      
     
   String key = "rds:task-test";//数据表的名称  
  
  
  String val = "\{'succeedDate': 1513152466.972549, 'taskUrl': \['https://hws.m.taobao.com/cache/wdetail/5.0/?id=521458057351 '\], 'headers': \{\}, 'proxy': 'True', 'taskName': 'hbase', 'saveSite': 'testAuctionHbase'\}";  
  
  
   //store data in redis list  
   //  jedis.lpush(key, val);  
   //  jedis.lpush(key, val);  
  
  
   //  System.out.println("Server is running: "+jedis.get("abc"));  
  //getJedis  
  Jedis jedis=JedisUtils.getJedis();  
   jedis.select(13);//数据的索引  
     
   jedis.lpush(key, val);  
   jedis.lpush(key, val);  
     
   testString();  
   getMap();  
   getMap1();  
\}  
  
  
\}