formValidation

 function checkUser(objName){if(objName==''){$('.redNote').text('用户名不能为空！');}else{$.post('checkTea.asp',{username:objName,rnd:new Date().getTime()},function(msg){$('.redNote').text(msg.info);},'json');}}function checkForm(){if(document.form1.username.value==''){alert("请输入用户名！");document.form1.username.focus();return false;}else{var result=0;$.ajax({async:false, //同步通信type:'POST',dataType:'json',url:'checkTea.asp',data:{username:$('#username').val(),rnd:new Date().getTime()},success:function(msg){if(msg.errChar==1){alert(msg.info);result=1;}}});if(result==1){return false;} //不在回调函数内判断用户名是否被占用}if(document.form1.userpass.value==''){alert("请输入密码！");document.form1.userpass.focus();return false;}if(document.form1.formUserpass.value==''){alert("请再次输入密码！");document.form1.formUserpass.focus();return false;}if(document.form1.userpass.value!=document.form1.formUserpass.value){alert("两次密码不一致,请重新输入！");document.form1.userpass.value='';document.form1.formUserpass.value='';return false;}if(document.form1.realname.value==''){alert("姓名不能为空！");document.form1.realname.focus();return false;}var s=false,n=0;var grade,subject;for(var i=0;i<document.getElementsByName("grade").length;i++){if(document.getElementsByName("grade")[i].checked){s=true;n+=1;(n==1)?grade=document.getElementsByName("grade")[i].value:grade+=','+document.getElementsByName("grade")[i].value;}}if(!s){alert("请选择您擅长的年级！");return false;}s=false;n=0; //重置flag变量for(var i=0;i<document.getElementsByName("subject").length;i++){if(document.getElementsByName("subject")[i].checked){s=true;n+=1;(n==1)?subject=document.getElementsByName("subject")[i].value:subject+=','+document.getElementsByName("subject")[i].value;}}if(!s){alert("请选择您擅长的科目！");return false;}if(document.form1.addr.value==''){alert("地址不能为空！");document.form1.addr.focus();return false;}if(document.form1.tel.value==''){alert("电话不能为空！");document.form1.tel.focus();return false;} //return true; //采用post方式提交数据 $.post('saveReg.asp',{username:$('#username').val() ,userpass:$('#userpass').val() ,realname:$('#realname').val() ,school:$('#school').val() ,degree:$('#degree').val() ,grade:grade ,subject:subject ,addr:$('#addr').val() ,tel:$('#tel').val() ,email:$('#email').val() ,rnd:new Date().getTime()},function(msg){ alert(msg);location.href='default.asp';});}$(function(){ $('#form1').submit(function(){ checkForm(); return false; //阻止默认的form提交 }); });

后台处理页面代码：

<!--#include file="conn.asp"--><!--#include file="inc/md5.asp"-->dim username,userpass,realname,school,degreedim grade,subject,addr,tel,email,classIdclassId=Int(Request.Form("classId"))username=Trim(Request.Form("username"))userpass=md5(Trim(Request.Form("userpass")))realname=Trim(Request.Form("realname"))school=Trim(Request.Form("school"))degree=Request.Form("degree")grade=Trim(Request.Form("grade"))subject=Trim(Request.Form("subList"))addr=Request.Form("addr")tel=Trim(Request.Form("tel"))email=Trim(Request.Form("email"))dim rs,sqlif classId=1 then'----------------------------------------'判断用户名唯一'----------------------------------------set rs = Server.CreateObject("ADODB.Recordset")rs.open "select id from Teacher where username='"&username&"' OR tel='"&tel&"'",conn,1,1if not rs.eof thenResponse.Write("{errCode:1,errChar:'用户名或手机电话被占用!'}")Response.End()end ifrs.closeset rs=Nothingsql="select * from Teacher where id is null"set rs = Server.CreateObject("ADODB.Recordset")rs.Open sql,conn,1,3rs.addnew rs("username")=username rs("userpass")=userpass rs("realname")=realname rs("school")=school rs("degree")=degree rs("grade")=Request.Form("gradeList") rs("subject")=subject rs("addr")=addr rs("tel")=tel rs("email")=emailrs.updaters.closeset rs=nothingelseif classId=2 Then'----------------------------------------'判断用户名或手机唯一'----------------------------------------set rs = Server.CreateObject("ADODB.Recordset")rs.open "select id from [Student] where username='"&username&"' OR tel='"&tel&"'",conn,1,1if not rs.eof thenResponse.Write("{errCode:1,errChar:'用户名或手机电话被占用!'}")Response.End()end ifrs.closeset rs=Nothingsql="select * from Student where id is null"set rs = Server.CreateObject("ADODB.Recordset")rs.Open sql,conn,1,3rs.addnew rs("username")=username rs("userpass")=userpass rs("realname")=realname rs("school")=school rs("grade")=grade rs("subject")=subject rs("tel")=tel rs("email")=emailrs.updaters.closeset rs=nothingend ifconn.Closeset conn=NothingResponse.Write("{errCode:0,info:'注册成功!'}")