redis rpc服务, 提供redis操作方法
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package redisrpc
import (
"github.com/golang/protobuf/proto"
)
/**
* 使用用户名查询
*/
func GetString(key string, url ...string) (string, error) {
conn, _, err := Conn(url...)
if err != nil {
return "", err
}
defer conn.Close()
req := &GetRequest{proto.String(key), nil}
res := &GetStringResponse{}
err = conn.Get(req, res)
if err != nil {
return "", err
}
return res.GetValue(), nil
}
//设置
func Set(key, value string, ttl int64, url ...string) (string, error) {
conn, _, err := Conn(url...)
if err != nil {
return "", err
}
defer conn.Close()
req := &SetRequest{proto.String(key), proto.String(value), proto.Int64(ttl), nil}
res := &SetResponse{}
err = conn.Set(req, res)
if err != nil {
return "", err
}
return res.GetRet(), nil
}
//删除
func Del(key string, url ...string) (int64, error) {
conn, _, err := Conn(url...)
if err != nil {
return 0, err
}
defer conn.Close()
req := &DelRequest{proto.String(key), nil}
res := &DelResponse{}
err = conn.Del(req, res)
if err != nil {
return 0, err
}
return res.GetRet(), nil
}
func Exists(key string, url ...string)(int64, error){
conn, _, err := Conn(url...)
if err != nil {
return 0, err
}
defer conn.Close()
req := &GetRequest{proto.String(key), nil}
res := &DelResponse{}
err = conn.Exists(req, res)
if err != nil {
return 0, err
}
return res.GetRet(), nil
}