//验证用户名中是否有空格
function isWhiteWpace (s){
var whitespace = " \t\n\r";
var i;
for (i = 0; i < s.length; i++){
var c = s.charAt(i);
if (whitespace.indexOf(c) >= 0) {return true;}
}
return false;
}
//验证用户名是否合法
function isSsnString (ssn){
//var re=/^[0-9a-z][\w-.@]*[0-9a-z]$/i;
//if(re.test(ssn)){return true;}else{return false;}
var regu = "^[0-9a-zA-Z\u4e00-\u9fa5]+$";
var re = new RegExp(regu);
if (re.test( ssn.value )) {
return true;
}
return false;
}
function onLoginSubmit()
{
document.getElementById("loginwarm").innerHTML="";
var user = document.getElementById("ueser").value;
var userpass =document.getElementById("password").value;
var chencknum=document.getElementById("check_num").value;
if (user.length<1){
document.getElementById("loginwarm").innerHTML="![](\"http://www.afu365.com/images/red_error.gif\")
请先输入用户名！";
return false;
}
if(userpass.length<1)
{
document.getElementById("loginwarm").innerHTML=" 请先输入密码！";
return false;}
if(isWhiteWpace(user))
{
document.getElementById("loginwarm").innerHTML=" 用户名中包含空格！";
return false;
}
if(!isSsnString(user))
{
document.getElementById("loginwarm").innerHTML=" 用户名中包含特殊字符！";
return false;
}
if(chencknum.length<1)
{
document.getElementById("loginwarm").innerHTML=" 请输入验证码！";
return false;
}
if(chencknum.length!=4)
{
document.getElementById("loginwarm").innerHTML=" 验证码长度不符！";
return false;
}
document.getElementById("loginform").submit
}