springboot中redis使用和工具

application.properties

#Redis相关配置
spring.data.redis.host=localhost
#端口
spring.data.redis.port=6379
#reids 数据库索引
spring.data.redis.database = 0

RedisDao.java

package com.bank.dao;

public interface RedisDao {
    // 存储验证码
    boolean save(String telephone,String code);

    // 获取验证码
    String getCode(String telephone);

}

package com.bank.dao;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Repository;

import java.util.concurrent.TimeUnit;

@Repository
public class RedisDaoImpl implements RedisDao{

//  RedisTemplate类型对象将来将从java配置类中进行注入
    @Autowired
    private RedisTemplate redisTemplate;

////  过期时长
//    private final Long DURATION = 1 * 24 * 60 * 60 * 1000L;

    @Override
    public boolean save(String telephone, String code) {
        ValueOperations op = redisTemplate.opsForValue();
//        验证码失效时长2分钟
        try{
            //设置当前的key以及value值并且设置过期时间
            op.set(telephone,code,120,TimeUnit.SECONDS);
            return true;
        } catch(Exception e){
            return false;
        }
    }

    @Override
    public String getCode(String telephone) {
        ValueOperations op = redisTemplate.opsForValue();
        //返回key中字符串的子字符
        String code = (String)op.get(telephone);
        return code;
    }
}

依赖

<!-- Redis相关依赖 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>

        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
            <version>2.9.0</version>
        </dependency>

(11条消息) RedisTemplate最全的常用方法_redistemplate常用方法_GavinYCF的博客-CSDN博客