jsp 检测密码两次输入是否相同
我的文件不能判断，点击提交后不判断直接修改数据库
文件是一个修改密码的操作
大家帮忙看下输入不合法为什么没有弹窗
<%@ page pageEncoding= "GBK "%>
<%@ page import= "java.sql.* " %>
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<title> 修改密码 </title>
<script language= "JavaScript ">
function OnFocus(){
document.change.user.focus();
}
function isValid(){
conForm=true;
if(document.change.user.value.length==0){
conForm=false;
window.alert( '必须输入帐号才能完成登陆! '）;
document.change.elements(0).focus();
}
else if(document.change.pwd1.value.length==0){
conForm=false;
window.alert( '必须输入原密码 ');
doucument.change.elements(1).focus();
}
else if(document.change.pwd2.value.length==0){
conForm=false;
window.alert( '必须输入现在的密码 ');
doucument.change.elements(2).focus();
}
else if(document.change.pw2.value!=document.change.pw3.value){
conForm=false;
pw3.value= " ";
window.alert( '两次输入的密码不一样 ');
doucument.change.elements(3).focus();
}
return conForm;
}
</script>
</head>
<body onLoad= "OnFocus() " bgcolor= "#0099FF " background= "tj1.jpg ">
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<form name= "change " method= "post " action= "changekeyword.jsp " onSubmit= "return isValid() ">
<p align= "center "> 帐 户:
<input type= "text " name= "user ">
</p>
<p align= "center "> 原始密码: <input type= "password " name= "pwd1 ">
</p>
<p align= "center "> 密 码:
<input type= "password " name= "pwd2 ">
</p>
<p align= "center "> 确认密码:
<input type= "password " name= "pwd3 ">
</p>
<p align= "center "> <input type= "submit " name= "ok " value= "提交 " >
<input type= "reset " name= "reset " value= "重置 ">
</p>
</form>
</body>
</html>
[解决办法]
<html>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 ">
<title> 修改密码 </title>
<script language= "JavaScript ">
function isValid(){
conForm=true;
if(document.change.user.value.length==0){
conForm=false;
window.alert( '必须输入帐号才能完成登陆! ');
document.change.elements(0).focus();
return false;
}
else if(document.change.pwd1.value.length==0){
conForm=false;
window.alert( '必须输入原密码 ');
doucument.change.elements(1).focus();
return false;
}
else if(document.change.pwd2.value.length==0){
window.alert( '必须输入现在的密码 ');
doucument.change.elements(2).focus();
return false;
}
else if(document.change.pwd2.value != document.change.pwd3.value){
document.change.pwd3.value= " ";
window.alert( '两次输入的密码不一样 ');
doucument.change.elements(3).focus();
return false;
}
return true;
}
</script>
</head>
<body onLoad= "document.change.user.focus(); " bgcolor= "#0099FF " background= "tj1.jpg ">
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<form name= "change " method= "post " id= "ppp " action= "changekeyword.jsp ">
<p align= "center "> 帐 户:
<input type= "text " name= "user ">
</p>
<p align= "center "> 原始密码: <input type= "password " name= "pwd1 ">
</p>
<p align= "center "> 密 码:
<input type= "password " name= "pwd2 ">
</p>
<p align= "center "> 确认密码:
<input type= "password " name= "pwd3 ">
</p>
<p align= "center "> <input type= "button " name= "ok " onClick= "if(isValid()) document.getElementById( 'ppp ').submit(); " value= "提交 " >
<input type= "reset " name= "reset " value= "重置 ">
</p>
</form>
</body>
</html>
