为什么 运行到这里时document.getElementById("indicator").style.display="block";显示是缺少对象的 ？？
本帖最后由 showbo 于 2012-10-24 21:19:18 编辑
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
%>
<!DOCTYPE HTML PUBLIC"-//W3C//DTC HTML 4.01 Transitional//EN">
<html>
<head>
<script type='text/javascript' src='<%=path %>/dwr/interface/loginService.js'></script>
<script type='text/javascript' src='<%=path %>/dwr/engine.js'></script>
<script type='text/javascript' src='<%=path %>/dwr/util.js'></script>
<script language="javascript">
function check1()
{
if(document.ThisForm.userName.value=="")
{
alert("请输入用户名");
document.ThisForm.userName.focus();
return false;
}
if(document.ThisForm.userPw.value="")
{
alert("请输入密码");
return false;
}
document.getElementById("indicator").style.display="block";
loginService.login(document.ThisForm.userName.value,document.ThisForm.userPw.value,0,callback);
}
function callback(data)
{
document.getElementById("indicator").style.display="none";
if(data=="no")
{
alert("用户名或密码错误");
}
if(data=="yes")
{
alert("通过验证，系统登录成功");
window.location.href="<%=path%>/loginSuccess.jsp";
}
}
</script>
</head>
<body>
<span>基于JSP的论坛网站</span></td>
<FORM name="ThisForm" action="<%=path %>/adminLogin.action" method=post>
<td>用户名：</td>
<td><input name="userName" value=""></td>
<td>密码：</td>
<td><input name="userPw"></td>
<input name="button" type="button" id="Submit" value="登录" onClick="check1()">
<input name="cs" type="reset" id="cs" value="重置"></td>
</body>
</html>
