SpringBoot整合Redis将对象写入redis的实现

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <optional>true</optional>
</dependency>

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>fastjson</artifactId>
    <version>1.2.30</version>
</dependency>

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import java.util.concurrent.TimeUnit;
 
@Component
public class RedisUtils {
    /**
     * 获取redis模板
     */
    @Autowired
    private StringRedisTemplate stringRedisTemplate;
 
    /**
     * 存入String类型
     * @param key
     * @param value
     * @param timeOut
     */
    public void setString(String key, String value, Long timeOut){
        stringRedisTemplate.opsForValue().set(key, value);
        if (timeOut != null){
            //设置Redis的key的有效期
            stringRedisTemplate.expire(key, timeOut, TimeUnit.SECONDS);
        }
    }
    /**
     * 获取String类型
     * @param key
     * @return
     */
    public String getString(String key){
        return stringRedisTemplate.opsForValue().get(key);
    }
}

import lombok.Data;
 
@Data
public class User {
    private String name;
    private Integer age;
}

import com.alibaba.fastjson.JSONObject;
import com.example.redis.redistudy.pojo.User;
import com.example.redis.redistudy.util.RedisUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
 
@RestController
public class RedisController {
 
    @Autowired
    private RedisUtils redisUtils;
 
    @GetMapping("/addUser")
    public String addUser(){
        User user = new User();
        user.setName("zhangsan");
        user.setAge(18);
        String userString = JSONObject.toJSONString(user);
        redisUtils.setString("userString",userString, null);
        return "存入成功";
    }
 
    @GetMapping("/getUser")
    public User getUser(String key){
        String userString= redisUtils.getString(key);
        User user = JSONObject.parseObject(userString, User.class);
        return user;
    }
}

spring:
  redis:
    host: 服务器公网ip
    password: root   //密码
    port: 6379       //端口号
    database: 0      //指定存入哪一个库