golang 自更新DDNS脚本

一、首先你得从https://www.dnsdynamic.org/ 去注册一个帐号，并申请一个二级域名

二、代码

packagemain

import(
	"fmt"
	"io/IoUtil"
	"net/http"
	"strings"
	"time"
)

//Myipinfo
typeIpInfostruct{
	IpAddstring
	IsUpdatebool
	GetTimetime.Time
}

varMYIP[1]*IpInfo

funcgetMyIp(urlsstring)string{
	myip:=""
	reqest,err:=http.Get(urls)
	iferr==nil{
		deferreqest.Body.Close()
		b,_:=IoUtil.ReadAll(reqest.Body)
		returnstring(b)
	}
	returnmyip
}

funccheckIP(newIPstring){
	ifnewIP!=MYIP[0].IpAdd{
		MYIP[0].IpAdd=newIP
		MYIP[0].IsUpdate=false
		MYIP[0].GetTime=time.Now()
	}

	if!MYIP[0].IsUpdate{
		updateIP()
	}
}

funcupdateIP(){
	url:=fmt.Sprintf("%s%s","https://xxxx@xxxx.com:xxxx@www.dnsdynamic.org/api/?hostname=xxxx.dnsget.org&myip=",MYIP[0].IpAdd)
	reqest,err:=http.Get(url)
	iferr!=nil{
		return
	}
	deferreqest.Body.Close()
	b,_:=IoUtil.ReadAll(reqest.Body)
	spiltB:=strings.Split(string(b),"")
	ifspiltB[0]=="good"{
		MYIP[0].IsUpdate=true
	}
}

funcmain(){
	//Initialization
	MYIP[0]=new(IpInfo)
	for{
		newIP:=getMyIp("http://myip.dnsdynamic.org")
		checkIP(newIP)
		time.Sleep(300*time.Second)
	}

}

三、说明 :将代码中的xxxx更换为你在DNS@H_403_12@dynamic网站上的信息，即可