jquery.form.js与后台交互在IE8和firefox出现不同状况

ie8 firefox jquery.form.js

前台JS
<script type=”text/javascript” src=”scripts/jquery-1.8.3.min.js”></script>
<script type=”text/javascript” src=”scripts/jquery.form.js“></script>
<script type=”text/javascript”>
function okcc(){
kc();
}
function kc(){
alert(“ee”);
var options = {
url : “wz/loginYongHu.action”,
type : “POST”,
success : processJson,
error: eJson
};
$(“#fdenglu”).ajaxSubmit(options);
return false;
}
function processJson(msg){
   if(msg==0){
   alert(“ttt”);
   }
}

function eJson(){
alert(“ttaa”);
}

</script>

</head>

HTML
<form name=”denglu” id=”fdenglu” action=”wz/loginYongHu” method=”post”>
<div id=”rightcontent”>
<div id=”rightcontentn”>
<div id=”yonghulable”>
<span>登录名：</span>
</div>
<div id=”yonghuming”>
<input type=”text” name=”yonghuming” id=”yonghuming” />
</div>
<div id=”mimalable”>
<span id=”denglum”>登录密码：</span>
<span id=”wangjim”>忘记登录密码</span>
</div>
<div id=”mima”>
<input type=”text” name=”denglumima” id=”denglumima” />
</div>
<div id=”kongjian”>
</div>
<div id=”denglu”>
<a href=”#”><span id=”aaa” onclick=”okcc();return false;”>登        录</span></a>
</div>
<div id=”zhuce”>
<span>免费注册</span>
</div>

</div>
</div>
</form>

后台
public String loginYonghu() throws IOException{
     String dengLuMing=yonghuming.trim();
     String dengLuMiMa=mdPass.MD5Password(denglumima.trim());
     String hql=”from Yonghu y where y.yonghuming=?0″;
Yonghu yonghu=new Yonghu();
System.out.println(dengLuMing);
yonghu=yonghuManager.getYounhu(hql, dengLuMing);
System.out.println(yonghu);
if(yonghu==null){
tip=0;

}else{
if(dengLuMiMa.equals(yonghu.getYonghumima())){
tip=3;
}else{
tip=1;
}
}
PrintWriter out=null;
try{
   HttpServletResponse response=ServletActionContext.getResponse();
   response.setCharacterEncoding(“utf-8”);
   response.setContentType(“text/html”);
response.setCharacterEncoding(“utf-8”);
out=response.getWriter();
out.print(tip);
out.flush();
out.close();
}catch(IOException e){
e.printStackTrace();
out.print(“上传失败，出错啦!”);
}