ext的formPanel交付数据，在火狐浏览器中可以接收数据，在ie中接收不到

Ext.onReady(function(){
        var name=new Ext.form.TextField({
            name:"name",
            id:"name",
            fieldLabel:"房间名称"
        });
        
        var campus=new Ext.form.TextField({
            name:"campus",
            fieldLabel:"所在校区"
        });
        
        var buildingno=new Ext.form.TextField({
            name:"room.buildingno",
            fieldLabel:"建筑楼号"
        });
        
        var floor=new Ext.form.TextField({
            name:"floor",
            fieldLabel:"所在楼层"
        });
        
                
        var f=new Ext.form.FormPanel({
            url:"/FWGL/room!addRoom",
            method:"post",
            title:"房间登记",
            width:700,
            height:300,
            frame:true,
            renderTo:"main",
            layout:"form",
            items:[
            {//行1
                layout:"column",
                items:[
                {
                    columnWidth:.5,
                    layout:"form",
                    items:[name]
                },
                {
                columnWidth:.5,
                    layout:"form",
                    items:[campus]
                }
                ]
            },
            {//行2
                layout:"column",
                items:[
                {
                    columnWidth:.5,
                    layout:"form",
                    items:[buildingno]
                },
                {
                    columnWidth:.5,
                    layout:"form",
                    items:[floor]
                }    
                ]
            }
            ],
            buttons:[
            {
                text:"提交",
                handler:function(){
                    f.getForm().submit({
                        success:function(form,action){
                            Ext.Msg.alert("","提交成功！"+action.result.msg);
                        },
                        failure:function(){
                            Ext.Msg.alert("","对不起，表单提交失败！");
                        }
                    });
                }
            },
            {
                text:"重置",
                handler:function(){
                    f.getForm().reset();
                }
            }]
        });
        
    });

String name1=this.request.getParameter("name");
System.out.println("==="+name1);