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&nbsp;&nbsp;<%=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&nbsp;&nbsp;&nbsp;&nbsp;别
      <input type="text" name="sex" value=<%=request.getAttribute("sex") %>>
      </label>
</p>
    <p>
      <label>部&nbsp;&nbsp;&nbsp;&nbsp;门
      <input type="text" name="dep" value=<%=request.getAttribute("dep") %>>
      </label>
</p>
    <p>
      <label>职&nbsp;&nbsp;&nbsp;&nbsp;务
      <input type="text" name="deppo" value=<%=request.getAttribute("deppo") %>>
      </label>
</p>
    <p>
      <label>电&nbsp;&nbsp;&nbsp;&nbsp;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)"/>&nbsp;&nbsp;<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 »

  1.   

    <%@ 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==""||form.username.value==null){
    alert("请输入用户名！");
    return false;
    }
    if (form.password.value==""||form.password.value==null){
    alert("请输入密码！");
    return false;
    }
    if (form.passwordagain.value==""||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==""||form.sex.value==null){
    alert("请输入性别！");
    return false;
    }
    if (form.dep.value==""||form.dep.value==null){
    alert("请输入部门！");
    return false;
    }
    if (form.deppo.value==""||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&nbsp;&nbsp;<%=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&nbsp;&nbsp;&nbsp;&nbsp;别
          <input type="text" name="sex" value=<%=request.getAttribute("sex") %>>
          </label>
    </p>
        <p>
          <label>部&nbsp;&nbsp;&nbsp;&nbsp;门
          <input type="text" name="dep" value=<%=request.getAttribute("dep") %>>
          </label>
    </p>
        <p>
          <label>职&nbsp;&nbsp;&nbsp;&nbsp;务
          <input type="text" name="deppo" value=<%=request.getAttribute("deppo") %>>
          </label>
    </p>
        <p>
          <label>电&nbsp;&nbsp;&nbsp;&nbsp;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)"/>&nbsp;&nbsp;<input type="reset" value="返回">
    </form>
    </body>
    </html>