package com.monkeylessey.framework.utils;
|
|
import org.springframework.beans.factory.annotation.Autowired;
|
import org.springframework.data.redis.core.RedisTemplate;
|
import org.springframework.stereotype.Component;
|
|
import java.util.List;
|
import java.util.concurrent.TimeUnit;
|
|
/**
|
* @author 29443
|
* @date 2022/4/16
|
*/
|
@Component
|
public class RedisUtil {
|
|
@Autowired
|
private RedisTemplate redisTemplate;
|
|
/**
|
* 保存hash类型
|
*
|
* @param key
|
* @param hashKey
|
* @param value
|
*/
|
public void saveForHash(String key, Object hashKey, Object value) {
|
redisTemplate.opsForHash().put(key, hashKey, value);
|
}
|
|
/**
|
* 保存普通value类型
|
*
|
* @param key
|
* @param value
|
*/
|
public void saveForValue(String key, Object value) {
|
redisTemplate.opsForValue().set(key, value);
|
}
|
|
/**
|
* 保存普通value类型，并设置过期时间
|
*
|
* @param key
|
* @param value
|
* @param time
|
* @param unit
|
*/
|
public void saveForValueWithExpire(String key, Object value, Long time, TimeUnit unit) {
|
redisTemplate.opsForValue().set(key, value, time, unit);
|
}
|
|
/**
|
* 保存list
|
*
|
* @param key
|
* @param list
|
* @param <T>
|
* @return
|
*/
|
public <T> Long saveForList(String key, List<T> list) {
|
Long num = redisTemplate.opsForList().rightPushAll(key, list);
|
return num == null ? 0 : num;
|
}
|
|
/**
|
* 设置过期时间
|
*
|
* @param key
|
* @param time
|
* @param timeUnit
|
* @return
|
*/
|
public boolean setExpire(String key, Long time, TimeUnit timeUnit) {
|
return redisTemplate.expire(key, time, timeUnit);
|
}
|
|
/**
|
* 返回过期时间
|
*
|
* @param key
|
* @return
|
*/
|
public long getExpire(String key) {
|
return redisTemplate.getExpire(key);
|
}
|
|
|
/**
|
* 获取hashkey的值
|
*
|
* @param key
|
* @param hashKey
|
* @param type
|
* @param <T>
|
* @return
|
*/
|
public <T> T getHashValue(String key, String hashKey, Class<T> type) {
|
try {
|
T value = (T) redisTemplate.opsForHash().get(key, hashKey);
|
return value;
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
return null;
|
}
|
|
/**
|
* 获取普通的value
|
*
|
* @param key
|
* @param <T> 如果存入类型为复杂的泛型，比如List<String>,Array<String> 传参时需要传new TypeReference<ArrayList<String>>(){}.getType();
|
* @return
|
*/
|
public <T> T getValue(String key, Class<T> result) {
|
try {
|
return (T) redisTemplate.opsForValue().get(key);
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
return null;
|
}
|
|
|
/**
|
* 获取list的值
|
*
|
* @param key
|
* @param <T>
|
* @return
|
*/
|
public <T> List<T> getList(String key) {
|
return redisTemplate.opsForList().range(key, 0, -1);
|
}
|
|
/**
|
* 查询redis中是否有某个key
|
*
|
* @param key
|
* @return
|
*/
|
public boolean hasKey(String key) {
|
return redisTemplate.hasKey(key);
|
}
|
|
/**
|
* 查询redis中hash类型中是否有某个key
|
*
|
* @param key
|
* @param hashKey
|
* @return
|
*/
|
public boolean hasHashKey(String key, Object hashKey) {
|
return redisTemplate.opsForHash().hasKey(key, hashKey);
|
}
|
|
/**
|
* 刪除key
|
*
|
* @param key
|
* @return
|
*/
|
public boolean deleteKey(String key) {
|
return redisTemplate.delete(key);
|
}
|
}
|
