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77 lines
1.4 KiB
77 lines
1.4 KiB
package redis
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import (
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"errors"
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redisdb "github.com/gomodule/redigo/redis"
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)
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//取值
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func Get(key string) (string, error) {
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c := pool.Get()
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defer c.Close()
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return redisdb.String(c.Do("get", key))
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}
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/*
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* 存值,
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* args,范围(key, value)或(key, value,expire)
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* 2020/06/06
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*/
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func Set(args ...interface{}) (interface{}, error) {
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c := pool.Get()
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defer c.Close()
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if len(args) < 2 {
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return nil, errors.New("参数错误，至少需两个参数")
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}
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var err error
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var reply interface{}
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if len(args) > 2 {
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reply, err = c.Do("SET", args[0], args[1], "EX", args[2]) //设置过期时间
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} else {
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reply, err = c.Do("SET", args[0], args[1])
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}
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return reply, err
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}
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/**
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* 删除key
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*/
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func Del(key string) (int,error){
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c := pool.Get()
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defer c.Close()
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var err error
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var reply interface{}
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reply, err = c.Do("DEL", key)
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return redisdb.Int(reply, err)
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}
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/**
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* 设锁
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* 2020/01/15
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*/
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func SetLock(args ...interface{}) (bool,error){
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c := pool.Get()
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defer c.Close()
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if len(args) < 2 {
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return false, errors.New("参数错误，至少需两个参数")
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}
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var err error
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var result interface{}
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if len(args) > 2 {
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result, err = c.Do("SETNX", args[0], args[1], "EX", args[2]) //设置过期时间
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} else {
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result, err = c.Do("SETNX", args[0], args[1])
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}
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if err != nil{
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return false,err
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}
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if result.(int) == 1{
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return true, nil
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} else{
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return false, nil
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}
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}
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