学步园

<script type="text/javascript">
var loginName,checkUN,password,confirmPwd,email,subBtn,userName,checkTel,tel;
$(init);
function init()
{
    loginName = $("#loginName");
    loginName.bind("blur",checkUserName);
    password = $("#password");
    confirmPwd = $("#confirmPwd");
    userName = $("#userName");
    userName.bind("blur",checkRN);
    password.bind("blur",checkPwd);
    confirmPwd.bind("blur",checkConfPwd);
    email = $("#email");
    email.bind("blur",checkEmail);
    subBtn = $("#subBtn");
    subBtn.bind("click",subUser);
    checkTel = $("#checkTel");
    tel = $("#tel");
    tel.bind("blur",chkTel);
}

function checkUserName()
{
     loginName = $("#loginName").val();
     if(jQuery.trim(loginName)=="")
        {
            $("#loginName").focus();
            $("#checkUN").css("color","Red");
            $("#checkUN").text("用户名不能为空");
            return false;
         }
      else
      {
        $("#checkUN").text("验证中...");
        $.post("checkUser.ashx?tm="+new Date().getDate()+"&loginName="+loginName,function (result){
            if(result=="0")
            {                
                 $("#checkUN").css("color","Red");
                 $("#checkUN").text("该用户名已存在");
                 subBtn.attr("disabled","disabled");
                 return false;
            }
            else if(result=="1")
            {
                  $("#checkUN").css("color","Green");
                  $("#checkUN").text("该用户名可用");
                  subBtn.removeAttr("disabled");
                  return true;
            }
        }); 
      }
     
}
function checkPwd()
{
    password = $("#password").val();
    if(jQuery.trim(password)=="")
    {
        $("#pwd").css("color","Red");
        $("#pwd").text("密码不能为空");
        return false;
    }
    else if(jQuery.trim(password).length<6)
    {
        $("#pwd").css("color","Red");
        $("#pwd").text("长度不能小于6位数");
        return false;
    }
    else
    {
         $("#pwd").css("color","Green");
         $("#pwd").text("密码合法");
         return true;
    }
}

function checkConfPwd()
{
    password = $("#password").val();
    confirmPwd = $("#confirmPwd").val();
    if(jQuery.trim(confirmPwd)=="")
    {
        $("#confPwd").css("color","Red");
        $("#confPwd").text("确认密码不能为空");
        return false;
    }
    else if(jQuery.trim(password)!=confirmPwd)
    {
        $("#confPwd").css("color","Red");
        $("#confPwd").text("两次密码不一致");
        return false;
    }
    else
    {
        $("#confPwd").css("color","Green");
        $("#confPwd").text("确认密码合法");
        return true;
    }
}

function checkRN()
{
    if(jQuery.trim(userName.val())=="")
    {
        $("#checkRN").css("color","Red");
        $("#checkRN").text("真实姓名不能为空");
        return false;
    }
    else
    {
        $("#checkRN").css("color","Green");
        $("#checkRN").text("真实姓名合法");
        return true;
    }
}
function checkEmail()
{
    var emailRegExp = new RegExp("[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:/.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?");
    email = $("#email").val();
    if (!emailRegExp.test(email)||email.indexOf('.')==-1)
    {
        $("#emailInfo").css("color","Red");
        $("#emailInfo").text("电子邮箱不合法");
        return false;
    }
    else
    {
        $("#emailInfo").css("color","Green");
        $("#emailInfo").text("电子邮箱合法");
        return true;
    }

}

function chkTel()
{
   
    if(tel.val().length!=11)
    {
        checkTel.css("color","Red");
        checkTel.text("联系电话必需为11位");
        return false;
    }
    else if(tel.val().substring(0,1)!='1')
    {
        checkTel.css("color","Red");
        checkTel.text("联系电话以'1'开头");
        return false;
    }
    else if(isNaN(tel.val()))
    {
        checkTel.css("color","Red");
        checkTel.text("必需是0-9数字");
        return false;
    }
    else if(tel.val().substring(0,1)=='1'&&tel.val().length==11)
    {
        checkTel.css("color","Green");
        checkTel.text("联系电话合法");
        return true;
    }
}

function subUser()
{
    if(!checkPwd()|!checkConfPwd()|!checkEmail()|!checkRN()|!chkTel())
    {
       return false;
    }
    else
    {
         $("#form1").submit();
    }
   
}
    </script>

在checkUser.ashx中有：

public class checkUser : IHttpHandler
    {
        Maticsoft.BLL.Users userBLL = new Maticsoft.BLL.Users();
        public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            string loginName = context.Request.QueryString.GetValues("loginName")[0];
            List<Maticsoft.Model.Users> userList = userBLL.GetModelList("login_name='"+loginName+"'");
            if (userList != null && userList.Count() > 0)
            {
                context.Response.Write("0");
            }
            else
            {
                context.Response.Write("1");
            }
           
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }