golang基于redis搭建队列

首先你需要安装redigo

go get github.com/garyburd/redigo/redis

使用go的（interface）接口实现，

话不多说，直接上代码。

package main

import (
	"github.com/garyburd/redigo/redis"
)
var client redis.Conn
var err error
//接口定义
type RedisQueue interface {
	create_queue() (string,string)
	empty() (bool,string)
	size()  (int,string)
	put(value string)   string
	get()   (string,string)
}
//结构体
type Connect_args struct {
	queue_name string
	network string
	address string
	password string
}
//与redis建立连接 返回连接状态
func (connect_args Connect_args) create_queue() (string,string){
	if(len(connect_args.password)==0){
		client, err = redis.Dial(connect_args.network,connect_args.address,)
	}else {
		client, err = redis.Dial(connect_args.network,connect_args.address ,redis.DialPassword(connect_args.password))
	}
	if(err ==nil){
		return "Connection success","ok"
	}
	return "Connection failed","error"
}
//队列是否为空 返回 true  或  false
func (connect_args Connect_args)empty() (bool,string){
	replay,err :=client.Do("LLEN",connect_args.queue_name)
	count, _ := replay.(int64)
	if(err==nil){
		if(count!=0){
			return true,"ok"
		}
		return false,"ok"
	}
	return false,"error"
}
func (connect_args Connect_args)put(value string) string{
	_,err :=client.Do("RPUSH",connect_args.queue_name,value)
	if(err==nil){
		return "ok"
	}
	return "error"
}
func (connect_args Connect_args)get() (string,string){
	replay,err :=client.Do("LPOP",connect_args.queue_name)
	value, _ := replay.(string)
	if(err==nil){
		return value,"ok"
	}
	return value,"error"
}
func (connect_args Connect_args)size() (int,string){
	replay,err :=client.Do("LLEN",connect_args.queue_name)
	count, _ := replay.(int64)
	if(err==nil){
		return int(count),"ok"
	}
	return 0,"error"
}
func main()  {
	var redis_queue RedisQueue = Connect_args{
		"test",
		"tcp",
		"127.0.0.1:6379",
		"123456"}
	redis_queue.create_queue()
	//是否为空
	replay , err := redis_queue.empty()
	println(replay,err)
	//put进队列两个值
	for a:=0 ; a < 2 ;a++{
		err = redis_queue.put("s")
		println(err)
	}
	//队列数量
	s := -1
	s ,err = redis_queue.size()
	println(s,err)
	//队列取值
	for a:=0 ; a < s;a++{
		redis_queue.get()
	}
	//队列数量
	s ,err = redis_queue.size()
	println(s,err)
}

结构体参数：

1 队列名字

2 连接redis时的连接方式，一般都是tcp

3 连接地址，(“127.0.0.1:6379” )  host:port 的形式

4 密码 ，如果不需要密码，结构体赋值时（“123456”）更改为（“”）

每个函数的返回值都是两个（返回的值+是否错误的状态）（除了put函数时一个返回值）

ok为连接正确没有错误。error为连接失败错误。

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