use memcached go

mem.go

package main

import (
	"encoding/json"
	"sync"

	"github.com/bradfitz/gomemcache/memcache"
)

var once = &sync.Once{}
var mc *memcache.Client

func InitiallizeCache() {
	mc = memcache.New("localhost:11211")
	// multi memcache.New("10.0.0.1:11211", "10.0.0.2:11211", "10.0.0.3:11212")
}

func SetCache(key string, value interface{}) bool {
	once.Do(func() {
		InitiallizeCache()
	})
	v, err := json.Marshal(value)
	if err != nil {
		return false
	}
	mc.Set(&memcache.Item{Key: key, Value: []byte(v)})

	return true
}

func GetCache(k string, value interface{}) bool {
	once.Do(func() {
		InitiallizeCache()
	})
	it, err := mc.Get(k)
	if err != nil {
		return false
	}
	err = json.Unmarshal(it.Value, value)
	if err != nil {
		return false
	}
	return true
}

func DelCache(key string) bool {
  once.Do(func() {
    InitiallizeCache()
  })
	err := mc.Delete(key)
	if err != nil {
		return false
	}
	return true
}