高手们，帮忙改改这个程序啊。。。谢谢！
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>注册</title>
</head>
<script type="text/javascript">
var xmlHttp=false;
var username=true;
var password1=false;
var password2=false;
var emailcheck=false;
function createXMLHttpRequest()
{
if (window.ActiveXObject) //在IE浏览器中创建XMLHttpRequest对象
{
try{
xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
}
catch(e){
try{
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
catch(ee){
xmlHttp=false;
}
}
}
else if (window.XMLHttpRequest) //在非IE浏览器中创建XMLHttpRequest对象
{
try{
xmlHttp = new XMLHttpRequest();
}
catch(e){
xmlHttp=false;
}
}
}
function checkName()
{
createXMLHttpRequest(); //调用创建XMLHttpRequest对象的方法
xmlHttp.onreadystatechange=callback; //设置回调函数
var nameStr=form1.name.value;
var url="servlet/CheckName?name="+nameStr;
xmlHttp.open("post",url); //向服务器端发送请求
xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gb2312");
xmlHttp.send(null);
function callback()
{
if(xmlHttp.readyState==4)
{
if(xmlHttp.status==200)
{
var str = xmlHttp.responseText;
var nameText=document.getElementById("nameText");
if(nameStr.length>=4 && nameStr.length<=12)
{
if(str.length==2)
{
var message="<font color=\"#CC0000\"><b>*用户名已经存在，请另选一个注册！</b></font>";
nameText.innerHTML=message;
username=false;
}
else
{
var message="<font color=\"green\"><b>OK</b></font>";
nameText.innerHTML=message;
}
}
else
{
var message="<font color=\"#CC0000\"><b>字符控制在4-12之间！</b></font>";
nameText.innerHTML=message;
username=false;
}
}
}
}
}
function checkPass1()
{
var pass1=form1.pass1.value;
var pass1Text=document.getElementById("pass1Text");
if(pass1.length>=20||pass1.length<=6)
{
var message="<font color=\"#CC0000\"><b>*密码长度不合法</b></font>";
pass1Text.innerHTML=message;
password1=false;
}else
{
var message="<font color=\"green\"><b>OK</b></font>";
pass1Text.innerHTML=message;
}
}
function checkPass2()
{
var pass2Text=document.getElementById("pass2Text");
if(form1.pass1.value!=form1.pass2.value)
{
password2=false;
var message="<font color=\"#CC0000\"><b>*两次输入的密码不一致</b></font>";
pass2Text.innerHTML=message;
}else
{
var message="<font color=\"green\"><b>OK</b></font>";
pass2Text.innerHTML=message;
}
}
function checkEmail()
{
var emailText=document.getElementById("emailText");
var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.com)+/;
if(!pattern.test(form1.email.value))
{
var message="<font color=\"#CC0000\"><b>格式不正确，请检查！</b></font>";
emailText.innerHTML=message;
emailcheck=false;
}else
{
var message="<font color=\"green\"><b>OK</b></font>";
emailText.innerHTML=message;
};
}
function checkAll()
{
if(username==false)
{
alert("输入有误，请检查更正！");
}
if(password1==false)
{
alter("输入有误，请检查更正！");
}
if(password2==false)
{
alter("输入有误，请检查更正！");
}
if(emailcheck==false)
{
alter("输入有误，请检查更正！");
}
if(form1.sex.value=="")
{
alter("输入有误，请检查更正！");
}
}
</script>
<body>
<form action="" name="form1" method="post" action="servlet/Regist">
<table width="500" cellspacing="30">
<tr align="center">
<td>
<font size="3">用户名： </font>
<input type="text" name="name" size="27" onchange="checkName()"/>
<div id="nameText"><font id="a" color="green">（请认真填写，此项不能为空）</font></div>
</td>
</tr>
<tr align="center">
<td>
<font size="3">密 码： </font>
<input type="password" name="pass1" size="27" onchange="checkPass1()"/>
<div id="pass1Text"><font id="a" color="green">（请牢记密码，此项不能为空。）</font></div>
</td>
</tr>
<tr align="center">
<td>
<font size="3">确认密码： </font>
<input name="pass2" size="27" type="password" onchange="checkPass2()"/>
<div id="pass2Text"><font id="a" color="green">（请再次输入密码，不能为空。）</font></div>
</td>
</tr>
<tr align="center">
<td>
<font size="3">邮 箱： </font>
<input name="email" type="text" size="27" onchange="checkEmail()"/>
<div id="emailText"><font id="a" color="green">（请注意格式，如：tianmingqi@163.com）</font></div>
</td>
</tr>
<tr align="center">
<td>
<font size="3"> 性 别：</font>
<input type="radio" name="sex" value="male"/><font size="3">男</font>
<input type="radio" name="sex" value="female"/><font size="3">女</font>
</td>
</tr>
<tr align="right">
<td>
<input type="submit" name="button" value="注册" onclick="checkAll()"/>
<input type="reset" value="重置"/>
</td>
</tr>
</table>
</form>
</body>
</html>
[解决办法]
你还是有什么问题，提出来，这样直接把一堆代码扔给我们，然后看完（已经没心情了），在帮着修改，拿现成，对自己的技能也没多少提高， 而且这样也不地道呀
[解决办法]
checkEmail()会不会有问题？先让他弹个message试试
[解决办法]
好长的代码啊。
[解决办法]
haobawobuhui
[解决办法]
超级强悍的楼主
1：sumbit想要先检测再发送表单，onclic="return checkAll()"
2：alert为啥你可以写成alter却毫无所觉捏？
完整代码修正如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>注册</title></head><script type="text/javascript">var xmlHttp=false;var username=[color=#FF0000]false[/color];//我为了测试将你默认的不需要验证改为了需要验证var password1=false;var password2=false;var emailcheck=false;function createXMLHttpRequest() {if (window.ActiveXObject) //在IE浏览器中创建XMLHttpRequest对象{try{ xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }catch(e){try{ xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); }catch(ee){ xmlHttp=false; }} }else if (window.XMLHttpRequest) //在非IE浏览器中创建XMLHttpRequest对象{try{ xmlHttp = new XMLHttpRequest(); }catch(e){ xmlHttp=false; } }}function checkName(){createXMLHttpRequest(); //调用创建XMLHttpRequest对象的方法xmlHttp.onreadystatechange=callback; //设置回调函数var nameStr=form1.name.value;var url="servlet/CheckName?name="+nameStr;xmlHttp.open("post",url); //向服务器端发送请求xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gb2312");xmlHttp.send(null); function callback(){if(xmlHttp.readyState==4){if(xmlHttp.status==200){ var str = xmlHttp.responseText; var nameText=document.getElementById("nameText"); if(nameStr.length>=4 && nameStr.length<=12) { if(str.length==2) { var message="<font color=\"#CC0000\"><b>*用户名已经存在，请另选一个注册！</b></font>"; nameText.innerHTML=message; username=false; } else { var message="<font color=\"green\"><b>OK</b></font>"; nameText.innerHTML=message; username=true; } } else { var message="<font color=\"#CC0000\"><b>字符控制在4-12之间！</b></font>"; nameText.innerHTML=message; username=false; } } } }}function checkPass1(){ var pass1=form1.pass1.value; var pass1Text=document.getElementById("pass1Text"); if(pass1.length>=20||pass1.length<=6) { var message="<font color=\"#CC0000\"><b>*密码长度不合法</b></font>"; pass1Text.innerHTML=message; password1=false; }else { var message="<font color=\"green\"><b>OK</b></font>"; pass1Text.innerHTML=message; password1=true; }}function checkPass2(){ var pass2Text=document.getElementById("pass2Text"); if(form1.pass1.value!=form1.pass2.value) { password2=false; var message="<font color=\"#CC0000\"><b>*两次输入的密码不一致</b></font>"; pass2Text.innerHTML=message; }else { var message="<font color=\"green\"><b>OK</b></font>"; pass2Text.innerHTML=message; password2=true; }}function checkEmail(){ var emailText=document.getElementById("emailText"); var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.com)+/; if(!pattern.test(form1.email.value)) { var message="<font color=\"#CC0000\"><b>格式不正确，请检查！</b></font>"; emailText.innerHTML=message; emailcheck=false; }else { var message="<font color=\"green\"><b>OK</b></font>"; emailText.innerHTML=message; emailcheck=true; };}function checkAll(){if(!username){alert("用户名输入有误，请检查更正！");form1.name.focus();[color=#FF0000]return false;[/color]} if(!password1) {alert("密码输入有误，请检查更正！"); form1.pass1.focus();[color=#FF0000]return false; [/color] }if(!password2){alert("确认密码输入有误，请检查更正！");form1.pass2.focus();[color=#FF0000]return false;[/color]} if(!emailcheck){alert("邮箱输入有误，请检查更正！");form1.email.focus();[color=#FF0000]return false;[/color]} if(form1.sex.value=="") {alert("输入有误，请检查更正！");[color=#FF0000]return false;[/color]}[color=#FF0000]return true;[/color]}</script><body><form action="" name="form1" method="post" action="servlet/Regist"> <table width="500" cellspacing="30"> <tr align="center"> <td> <font size="3">用户名： </font> <input type="text" name="name" size="27" onchange="checkName()"/> <div id="nameText"><font id="a" color="green">（请认真填写，此项不能为空）</font></div> </td> </tr> <tr align="center"> <td> <font size="3">密 码： </font> <input type="password" name="pass1" size="27" onchange="checkPass1()"/> <div id="pass1Text"><font id="a" color="green">（请牢记密码，此项不能为空。）</font></div> </td> </tr> <tr align="center"> <td> <font size="3">确认密码： </font> <input name="pass2" size="27" type="password" onchange="checkPass2()"/> <div id="pass2Text"><font id="a" color="green">（请再次输入密码，不能为空。）</font></div> </td> </tr> <tr align="center"> <td> <font size="3">邮 箱： </font> <input name="email" type="text" size="27" onchange="checkEmail()"/> <div id="emailText"><font id="a" color="green">（请注意格式，如：tianmingqi@163.com）</font></div> </td> </tr> <tr align="center"> <td> <font size="3"> 性 别：</font> <input type="radio" name="sex" value="male"/><font size="3">男</font> <input type="radio" name="sex" value="female"/><font size="3">女</font> </td> </tr> <tr align="right"> <td> <input type="submit" name="button" value="注册" onclick="[color=#FF0000]return checkAll()[/color]"/> <input type="reset" value="重置"/> </td> </tr> </table> </form></body></html>
[解决办法]
晕，代码块里不能标记颜色的么？
再放过一份吧
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>注册</title></head><script type="text/javascript">var xmlHttp=false;var username=false;var password1=false;var password2=false;var emailcheck=false;function createXMLHttpRequest() {if (window.ActiveXObject) //在IE浏览器中创建XMLHttpRequest对象{try{ xmlHttp=new ActiveXObject("Msxml2.XMLHTTP"); }catch(e){try{ xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); }catch(ee){ xmlHttp=false; }} }else if (window.XMLHttpRequest) //在非IE浏览器中创建XMLHttpRequest对象{try{ xmlHttp = new XMLHttpRequest(); }catch(e){ xmlHttp=false; } }}function checkName(){createXMLHttpRequest(); //调用创建XMLHttpRequest对象的方法xmlHttp.onreadystatechange=callback; //设置回调函数var nameStr=form1.name.value;var url="servlet/CheckName?name="+nameStr;xmlHttp.open("post",url); //向服务器端发送请求xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gb2312");xmlHttp.send(null); function callback(){if(xmlHttp.readyState==4){if(xmlHttp.status==200){ var str = xmlHttp.responseText; var nameText=document.getElementById("nameText"); if(nameStr.length>=4 && nameStr.length<=12) { if(str.length==2) { var message="<font color=\"#CC0000\"><b>*用户名已经存在，请另选一个注册！</b></font>"; nameText.innerHTML=message; username=false; } else { var message="<font color=\"green\"><b>OK</b></font>"; nameText.innerHTML=message; username=true; } } else { var message="<font color=\"#CC0000\"><b>字符控制在4-12之间！</b></font>"; nameText.innerHTML=message; username=false; } } } }}function checkPass1(){ var pass1=form1.pass1.value; var pass1Text=document.getElementById("pass1Text"); if(pass1.length>=20||pass1.length<=6) { var message="<font color=\"#CC0000\"><b>*密码长度不合法</b></font>"; pass1Text.innerHTML=message; password1=false; }else { var message="<font color=\"green\"><b>OK</b></font>"; pass1Text.innerHTML=message; password1=true; }}function checkPass2(){ var pass2Text=document.getElementById("pass2Text"); if(form1.pass1.value!=form1.pass2.value) { password2=false; var message="<font color=\"#CC0000\"><b>*两次输入的密码不一致</b></font>"; pass2Text.innerHTML=message; }else { var message="<font color=\"green\"><b>OK</b></font>"; pass2Text.innerHTML=message; password2=true; }}function checkEmail(){ var emailText=document.getElementById("emailText"); var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.com)+/; if(!pattern.test(form1.email.value)) { var message="<font color=\"#CC0000\"><b>格式不正确，请检查！</b></font>"; emailText.innerHTML=message; emailcheck=false; }else { var message="<font color=\"green\"><b>OK</b></font>"; emailText.innerHTML=message; emailcheck=true; };}function checkAll(){if(!username){alert("用户名输入有误，请检查更正！");form1.name.focus();return false;} if(!password1) {alert("密码输入有误，请检查更正！"); form1.pass1.focus();return false; }if(!password2){alert("确认密码输入有误，请检查更正！");form1.pass2.focus();return false;} if(!emailcheck){alert("邮箱输入有误，请检查更正！");form1.email.focus();return false;} if(form1.sex.value=="") {alert("输入有误，请检查更正！");return false;}return true;}</script><body><form action="" name="form1" method="post" action="servlet/Regist"> <table width="500" cellspacing="30"> <tr align="center"> <td> <font size="3">用户名： </font> <input type="text" name="name" size="27" onchange="checkName()"/> <div id="nameText"><font id="a" color="green">（请认真填写，此项不能为空）</font></div> </td> </tr> <tr align="center"> <td> <font size="3">密 码： </font> <input type="password" name="pass1" size="27" onchange="checkPass1()"/> <div id="pass1Text"><font id="a" color="green">（请牢记密码，此项不能为空。）</font></div> </td> </tr> <tr align="center"> <td> <font size="3">确认密码： </font> <input name="pass2" size="27" type="password" onchange="checkPass2()"/> <div id="pass2Text"><font id="a" color="green">（请再次输入密码，不能为空。）</font></div> </td> </tr> <tr align="center"> <td> <font size="3">邮 箱： </font> <input name="email" type="text" size="27" onchange="checkEmail()"/> <div id="emailText"><font id="a" color="green">（请注意格式，如：tianmingqi@163.com）</font></div> </td> </tr> <tr align="center"> <td> <font size="3"> 性 别：</font> <input type="radio" name="sex" value="male"/><font size="3">男</font> <input type="radio" name="sex" value="female"/><font size="3">女</font> </td> </tr> <tr align="right"> <td> <input type="submit" name="button" value="注册" onclick="return checkAll()"/> <input type="reset" value="重置"/> </td> </tr> </table> </form></body></html>