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redis.go
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redis.go
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package redis
import (
"encoding/json"
"fmt"
"github.com/sirupsen/logrus"
"time"
"github.com/gomodule/redigo/redis"
C "github.com/zbrechave/go-mds/initialize/conf"
)
var Conn *redis.Pool
type R struct {
}
func Init() error {
Conn = &redis.Pool{
MaxIdle: C.GetSettings().Redis.MaxIdle,
MaxActive: C.GetSettings().Redis.MaxActive,
IdleTimeout: C.GetSettings().Redis.IdleTimeout,
Dial: func() (redis.Conn, error) {
c, err := redis.Dial("tcp", fmt.Sprintf(
"%s:%d", C.GetSettings().Redis.Host,
C.GetSettings().Redis.Port))
if err != nil {
return nil, err
}
return c, err
},
TestOnBorrow: func(c redis.Conn, t time.Time) error {
_, err := c.Do("PING")
return err
},
}
logrus.Info("Redis初始化成功")
return nil
}
func (r *R) Set(key string, data interface{}, time int) error {
conn := Conn.Get()
defer conn.Close()
value, err := json.Marshal(data)
if err != nil {
return err
}
_, err = conn.Do("SET", key, value)
if err != nil {
return err
}
_, err = conn.Do("EXPIRE", key, time)
if err != nil {
return err
}
return nil
}
func (r *R) Exists(key string) bool {
conn := Conn.Get()
defer conn.Close()
exists, err := redis.Bool(conn.Do("EXISTS", key))
if err != nil {
return false
}
return exists
}
func (r *R) Get(key string) ([]byte, error) {
conn := Conn.Get()
defer conn.Close()
reply, err := redis.Bytes(conn.Do("GET", key))
if err != nil {
return nil, err
}
return reply, nil
}
func (r *R) Delete(key string) (bool, error) {
conn := Conn.Get()
defer conn.Close()
return redis.Bool(conn.Do("DEL", key))
}
func (r *R) LikeDeletes(key string) error {
conn := Conn.Get()
defer conn.Close()
keys, err := redis.Strings(conn.Do("KEYS", "*"+key+"*"))
if err != nil {
return err
}
for _, key := range keys {
_, err = r.Delete(key)
if err != nil {
return err
}
}
return nil
}