//检测多个ip地址用逗号分隔
function checkIpv6(ip) {
var reg = /^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/
var valdata = ip.split(',');
for(i=0;i<valdata.length;i++){
if(reg.test(valdata[i])== false){
layer.alert("Ip格式不正确");
return false;
}
}
};