本文共 2360 字，大约阅读时间需要 7 分钟。

   
   	
    
     org.springframework.boot
    	
    
     spring-boot-starter-data-redis
    
   

#Redisspring.redis.host=localhostspring.redis.port=6379spring.redis.password=abcd

./redis-cli -p 6379 -a abcd

package com.learn;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplicationpublic class SpringbootQuick2Application {    public static void main(String[] args) {        SpringApplication.run(SpringbootQuick2Application.class, args);    }}

package com.learn;import com.fasterxml.jackson.core.JsonProcessingException;import com.fasterxml.jackson.databind.ObjectMapper;import com.learn.domain.User;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.boot.test.context.SpringBootTest;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.test.context.junit4.SpringRunner;import java.util.ArrayList;import java.util.List;@RunWith(SpringRunner.class)@SpringBootTest(classes = SpringbootQuick2Application.class)public class RedisTest {    @Autowired    private RedisTemplate
   
     redisTemplate;    @Test    public void test() throws JsonProcessingException {        // 1、从redis中获得数据 数据的形式json字符串        String userListJson = redisTemplate.boundValueOps("user.findAll").get();        // 2、判断redis中是否存在数据        if(null==userListJson){            // 3、不存在数据 从数据库查询            List
    
      all = new ArrayList
     
      ();            User user = new User();            user.setId(1L);            user.setName("张三");            user.setPassword("123456");            user.setUsername("zhangsan");            all.add(user);            // 4、将查询出的数据存储到redis缓存中            // 先将list集合转换成json格式的字符串  使用jackson进行转换            ObjectMapper objectMapper = new ObjectMapper();            userListJson = objectMapper.writeValueAsString(all);            redisTemplate.boundValueOps("user.findAll").set(userListJson);            System.out.println("=======从数据库中获得user的数据======");        }else{            System.out.println("=======从redis缓存中获得user的数据======");        }        // 4、将数据在控制台打印        System.out.println(userListJson);    }}
     
    
   

127.0.0.1:6379> get user.findAll"[{\"id\":1,\"username\":\"zhangsan\",\"password\":\"123456\",\"name\":\"\xe5\xbc\xa0\xe4\xb8\x89\"}]"

转载地址：http://bwkzb.baihongyu.com/