jsp如何让submit不提交
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<script language="javascript">
function psword(form){
if (form.password.value!=form.passwordagain.value);
alert("密码不一致，请重新输入！");
}
</script>
<html>
<head>
<base href="<%=basePath%>">
<title>登录成功</title>
</head>
<body>
登录成功,欢迎您 <%=request.getAttribute("username") %> <br>
<form name="add" action="user.action" method="post">
<s:iterator value="deplist" var="dp">
<p>
<label>员工姓名
<input type="text" name="username" value=<%=request.getAttribute("username") %>>
</label>
</p>
<p>
<label>登录密码
<input name="password" type="password" maxlength="8">
</label>
</p>
<p>
<label>确认密码
<input name="passwordagain" type="password" maxlength="8" onchange="psword(add)">
</label>
</p>
<p>
<label>性 别
<input type="text" name="sex" value=<%=request.getAttribute("sex") %>>
</label>
</p>
<p>
<label>部 门
<input type="text" name="dep" value=<%=request.getAttribute("dep") %>>
</label>
</p>
<p>
<label>职 务
<input type="text" name="deppo" value=<%=request.getAttribute("deppo") %>>
</label>
</p>
<p>
<label>电 话
<input name="tel" type="text" maxlength="11" value=<%=request.getAttribute("tel") %>>
</label>
</p>
</s:iterator>
<input type="submit" value="确定" onclick="psword(add)"/> <input type="reset" value="返回">
</form>
</body>
</html>
我点提交它提示了 但是还是给提交了 能不能提示不提交
能不能根据我的代码写 谢谢
------解决方案--------------------
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<script language="javascript">
function psword(form){
if (form.username.value==""
[解决办法]
form.username.value==null){
alert("请输入用户名！");
return false;
}
if (form.password.value==""
[解决办法]
form.password.value==null){
alert("请输入密码！");
return false;
}
if (form.passwordagain.value==""
[解决办法]
form.passwordagain.value==null){
alert("请输入确认密码！");
return false;
}
if (form.password.value!=form.passwordagain.value){
alert("密码不一致，请重新输入！");
return false;
}
if (form.sex.value==""
[解决办法]
form.sex.value==null){
alert("请输入性别！");
return false;
}
if (form.dep.value==""
[解决办法]
form.dep.value==null){
alert("请输入部门！");
return false;
}
if (form.deppo.value==""
[解决办法]
form.deppo.value==null){
alert("请输入职务！");
return false;
}
}
</script>
<html>
<head>
<base href="<%=basePath%>">
<title>登录成功</title>
</head>
<body>
登录成功,欢迎您 <%=request.getAttribute("username") %> <br>
<form name="add" action="user.action" method="post">
<s:iterator value="deplist" var="dp">
<p>
<label>员工姓名
<input type="text" name="username" value=<%=request.getAttribute("username") %>>
</label>
</p>
<p>
<label>登录密码
<input name="password" type="password" maxlength="8">
</label>
</p>
<p>
<label>确认密码
<input name="passwordagain" type="password" maxlength="8" onchange="psword(add)">
</label>
</p>
<p>
<label>性 别
<input type="text" name="sex" value=<%=request.getAttribute("sex") %>>
</label>
</p>
<p>
<label>部 门
<input type="text" name="dep" value=<%=request.getAttribute("dep") %>>
</label>
</p>
<p>
<label>职 务
<input type="text" name="deppo" value=<%=request.getAttribute("deppo") %>>
</label>
</p>
<p>
<label>电 话
<input name="tel" type="text" maxlength="11" value=<%=request.getAttribute("tel") %>>
</label>
</p>
</s:iterator>
<input type="submit" value="确定" onclick="return psword(add)"/> <input type="reset" value="返回">
</form>
</body>
</html>