redis/num.go

package redis

import (
	redisdb "github.com/gomodule/redigo/redis"
)

/**
 * key增加
 */
func Incrby(key string, value interface{}) (int64, error) {
	c := GetConn()
	var err error
	var reply interface{}
	reply, err = c.Do("INCRBY", key, value)

	CloseConn(c)

	if err != nil {
		return 0, err
	}
	ret, err := redisdb.Int64(reply, err)
	return ret, err
}

/**
 * key减
 */
func Decrby(key string, value interface{}) (int64, error) {
	c := GetConn()
	var err error
	var reply interface{}
	reply, err = c.Do("DECRBY", key, value)

	CloseConn(c)

	if err != nil {
		return 0, err
	}
	ret, err := redisdb.Int64(reply, err)
	return ret, err
}