RedisTemplate用法,直接上代码

/**
 * StringRedisTemplate继承了RedisTemplate但两者的数据并不互通
 * 一共五种数据结构
 * 1.redisTemplate.opsForValue() 字符串
 * 2.redisTemplate.opsForHash()   hash
 * 3.redisTemplate.opsForList()   list
 * 4.redisTemplate.opsForSet()    无序set
 * 5.redisTemplate.opsForZSet()   有序set
 *
 * @author 公众号:码农脱贫
 */
@SpringBootTest
@RunWith(SpringRunner.class)
public class MyTest {
    @Resource
    private StringRedisTemplate stringRedisTemplate;

    /**
     * 1.redisTemplate.opsForValue() 字符串
     */
    @Test
    public void testString() {
        //存值
        stringRedisTemplate.opsForValue().set("currentUser", "admin");
        //取值
        String currentUser = stringRedisTemplate.opsForValue().get("currentUser");
        System.out.println(currentUser);
    }

    /**
     * 2.redisTemplate.opsForHash()   hash
     */
    @Test
    public void testHash() {
        Map map = new HashMap();
        map.put("zs", "36");
        map.put("ls", "18");
        map.put("wu", "40");
        map.put("zl", "22");
        //单独存一条数据
        stringRedisTemplate.opsForHash().put("hash", "hh", "100");
        //单独取值
        String hh = (String) stringRedisTemplate.opsForHash().get("hash", "hh");
        System.out.println(hh);//100
        //存一个map
        stringRedisTemplate.opsForHash().putAll("hash", map);
        //根据双key获取某一个值
        Object zs = stringRedisTemplate.opsForHash().get("hash", "zs");
        System.out.println(zs);//36
        //获取所有的值
        List