|
|
package RedisUtil
|
|
|
|
|
|
import (
|
|
|
"dsBaseRpc/Const/ErrorConst"
|
|
|
"dsBaseRpc/Utils/ConfigUtil"
|
|
|
"dsBaseRpc/Utils/LogUtil"
|
|
|
"fmt"
|
|
|
"github.com/go-redis/redis/v7"
|
|
|
"time"
|
|
|
)
|
|
|
|
|
|
var (
|
|
|
// 定义redis链接池
|
|
|
RedisClient *redis.Client
|
|
|
)
|
|
|
|
|
|
func init() {
|
|
|
// 从配置文件获取redis的ip以及db
|
|
|
var redisHost = ConfigUtil.RedisIp + ":" + ConfigUtil.RedisPort
|
|
|
//这个是以后项目中广泛使用的redis池
|
|
|
RedisClient = redis.NewClient(&redis.Options{
|
|
|
Addr: redisHost, // Redis地址
|
|
|
Password: "", // Redis账号
|
|
|
DB: 0, // Redis库
|
|
|
DialTimeout: 10 * time.Second,
|
|
|
ReadTimeout: 30 * time.Second,
|
|
|
WriteTimeout: 30 * time.Second,
|
|
|
PoolSize: 10,
|
|
|
PoolTimeout: 30 * time.Second,
|
|
|
IdleTimeout: time.Minute,
|
|
|
IdleCheckFrequency: 100 * time.Millisecond,
|
|
|
})
|
|
|
|
|
|
_, err := RedisClient.Ping().Result()
|
|
|
if err == redis.Nil {
|
|
|
LogUtil.Error(ErrorConst.CreateRedisError, "Redis异常")
|
|
|
} else if err != nil {
|
|
|
LogUtil.Error(ErrorConst.CreateRedisError, err.Error())
|
|
|
}
|
|
|
}
|
|
|
|
|
|
//======下面的代码由黄海增加于2020-02-18=============================================================
|
|
|
/**
|
|
|
功能：设置指定键值的过期时间
|
|
|
作者：黄海
|
|
|
时间：2020-02-18
|
|
|
*/
|
|
|
func DEL(key string) {
|
|
|
RedisClient.Del(key)
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
功能：设置一个STRING形式的缓存
|
|
|
作者：黄海
|
|
|
时间：2020-02-25
|
|
|
*/
|
|
|
func SET(key string, value string, ttl time.Duration) {
|
|
|
RedisClient.Set(key, value, ttl)
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
功能：将指定的键值增加
|
|
|
*/
|
|
|
func IncrBy(key string, value int64) int64 {
|
|
|
c, err := RedisClient.IncrBy(key, value).Result()
|
|
|
if err != nil {
|
|
|
fmt.Println(err.Error())
|
|
|
}
|
|
|
return c
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
功能：获取指定的KEY值
|
|
|
作者：黄海
|
|
|
时间：2020-02-25
|
|
|
*/
|
|
|
func GET(key string) (string, error) {
|
|
|
var r = RedisClient.Get(key)
|
|
|
if r.Err() != nil {
|
|
|
return "", r.Err()
|
|
|
} else {
|
|
|
return r.Result()
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
功能：判断指定键值是否存在
|
|
|
作者：黄海
|
|
|
时间：2021-09-16
|
|
|
*/
|
|
|
func Exist(key string) (bool, error) {
|
|
|
_, err := RedisClient.Get(key).Result()
|
|
|
if err == redis.Nil {
|
|
|
return false, nil
|
|
|
}
|
|
|
return true, nil
|
|
|
}
|
