package com.sd.sdactivity.utils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.junit.platform.commons.util.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.BoundHashOperations;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import javax.annotation.PostConstruct;
import java.util.Date;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
/**
* Redis工具类
*/
@Component
public class RedisUtil {
@Autowired
private StringRedisTemplate redisTemplate;
private static RedisUtil that;
@PostConstruct
protected void Init() {
that = this;
}
/**
* 删除缓存
* 根据key精确匹配删除
*
* @param key
*/
@SuppressWarnings("unchecked")
public static void del(String... key) {
if (key != null && key.length > 0) {
if (key.length == 1) {
that.redisTemplate.delete(key[0]);
} else {
that.redisTemplate.delete(CollectionUtils.arrayToList(key));
}
}
}
public static void hdel(String key, String field) {
that.redisTemplate.opsForHash().delete(key, field);
}
/**
* 是否存在KEY
*
* @param key
* @return
*/
public static boolean hasKey(String key) {
return that.redisTemplate.hasKey(key);
}
/**
* 批量删除
* （该操作会执行模糊查询，请尽量不要使用，以免影响性能或误删）
*
* @param pattern
*/
public static void batchDel(String... pattern) {
for (String kp : pattern) {
that.redisTemplate.delete(that.redisTemplate.keys(kp + "*"));
}
}
/**
* 取得缓存（int型）
*
* @param key
* @return
*/
public static Integer getInt(String key) {
String value = that.redisTemplate.boundValueOps(key).get();
if (StringUtils.isNotBlank(value)) {
return Integer.valueOf(value);
}
return null;
}
/**
* 取得缓存（字符串类型）
*
* @param key
* @return
*/
public static String getStr(String key) {
return that.redisTemplate.boundValueOps(key).get();
}
/**
* 取得缓存（字符串类型）
*
* @param key
* @return
*/
public static String getStr(String key, boolean retain) {
String value = that.redisTemplate.boundValueOps(key).get();
if (!retain) {
that.redisTemplate.delete(key);
}
return value;
}
/**
* 获取缓存
* 注：基本数据类型(Character除外)，请直接使用get(String key, Class clazz)取值
*
* @param key
* @return
*/
public static Object getObj(String key) {
return that.redisTemplate.boundValueOps(key).get();
}
/**
* 获取缓存
* 注：java 8种基本类型的数据请直接使用get(String key, Class clazz)取值
*
* @param key
* @param retain 是否保留
* @return
*/
public static Object getObj(String key, boolean retain) {
Object obj = that.redisTemplate.boundValueOps(key).get();
if (!retain) {
that.redisTemplate.delete(key);
}
return obj;
}
/**
* 获取缓存
* 注：该方法暂不支持Character数据类型
*
* @param key key
* @param clazz 类型
* @return
*/
@SuppressWarnings("unchecked")
public static T get(String key, Class clazz) {
return (T) that.redisTemplate.boundValueOps(key).get();
}
public static void set(String key, Object value) {
set(key, value, null);
}
/**
* 将value对象写入缓存
*
* @param key
* @param value
* @param time 失效时间(秒)
*/
public static void set(String key, Object value, Integer time) {
if (value.getClass().equals(String.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else if (value.getClass().equals(Integer.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else if (value.getClass().equals(Double.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else if (value.getClass().equals(Float.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else if (value.getClass().equals(Short.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else if (value.getClass().equals(Long.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else if (value.getClass().equals(Boolean.class)) {
that.redisTemplate.opsForValue().set(key, value.toString());
} else {
that.redisTemplate.opsForValue().set(key, value.toString());
}
if (time != null && time > 0) {
that.redisTemplate.expire(key, time, TimeUnit.SECONDS);
}
}
/**
* 更新key对象field的值
*
* @param key 缓存key
* @param field 缓存对象field
* @param value 缓存对象field值
*/
public static void setJsonField(String key, String field, String value) {
JSONObject obj = JSON.parseObject(that.redisTemplate.boundValueOps(key).get());
obj.put(field, value);
that.redisTemplate.opsForValue().set(key, obj.toJSONString());
}
/**
* 递减操作
*
* @param key
* @param by
* @return
*/
public static Long decr(String key, Long by) {
return that.redisTemplate.opsForValue().increment(key, -by);
}
/**
* 递增操作
*
* @param key
* @param by
* @return
*/
public static Long incr(String key, Long by) {
return that.redisTemplate.opsForValue().increment(key, by);
}
/**
* 获取double类型值
*
* @param key
* @return
*/
public static double getDouble(String key) {
String value = that.redisTemplate.boundValueOps(key).get();
if (StringUtils.isNotBlank(value)) {
return Double.valueOf(value);
}
return 0d;
}
/**
* 设置double类型值
*
* @param key
* @param value
* @param time 失效时间(秒)
*/
public static void setDouble(String key, double value, Date time) {
that.redisTemplate.opsForValue().set(key, String.valueOf(value));
if (time.getTime() > 0) {
that.redisTemplate.expire(key, time.getTime(), TimeUnit.SECONDS);
}
}
/**
* 设置double类型值
*
* @param key
* @param value
* @param time 失效时间(秒)
*/
public static void setInt(String key, int value, Long time) {
that.redisTemplate.opsForValue().set(key, String.valueOf(value));
if (time != null && time > 0) {
that.redisTemplate.expire(key, time, TimeUnit.SECONDS);
/**
* 将map写入缓存
*
* @param key
* @param map
* @param time 失效时间(秒)
*/
public static void setMap(String key, Map map, Date time) {
that.redisTemplate.opsForHash().putAll(key, map);
}
/**
* 向key对应的map中添加缓存对象
*
* @param key
* @param map
*/
public static void addMap(String key, Map map) {
that.redisTemplate.opsForHash().putAll(key, map);
}
/**
* 向key对应的map中添加缓存对象
*
* @param key cache对象key
* @param field map对应的key
* @param value 值
*/
public static void addMap(String key, String field, String value) {
that.redisTemplate.opsForHash().put(key, field, value);
}
/**
* 获取FIELD列表
*
* @param key
* @return
*/
public static Set
