Code


/// <reference path="extjs/vswd-ext_2.2.js"/>


Ext.onReady(load);

var tp; //tabPanel
var tab_index = 1000;

function load()
{
    tp = new Ext.TabPanel//实例化ext的panel空间
        ({
            activeTab:0,autoWidth:true,border:false,frame:false,id:"tp",enableTabScroll:true,
            items:
            [
                {
                    xtype:"panel",layout:'fit',title:"首 页",border:false,frame:false,                    
                    html:"<iframe scrolling='auto' width='100%' height='100%'  frameborder='0' src='home.aspx'></iframe>"//嵌入iframe
                }  
            ]
        });
        
        var panel_center = new Ext.Panel
        ({
            id:'panleCenter',frame:false,border:false,
            region:'center',
            split:true,
            items:[tp],
            layout:'fit'           
            
        });
        
        var viewport = new Ext.Viewport
        ({
            id:'vpMain',
            layout:'border',
            items:
            [
                panel_center
            ]
        });
        
        otherTab();
}

function newTab(_title,url)//定义方法，添加进当前的tabpanel一个panel
{
    tp.add({
        xtype:"panel",layout:'fit',title:_title,border:false,frame:false,    
        id: 'newtab' + tab_index,   
        closable:true,             
        html:"<iframe scrolling='auto' width='100%' height='100%'  frameborder='0' src='" + url + "'></iframe>"
    });
    
    tp.setActiveTab('newtab' + tab_index);
    
    tab_index ++;

}
function newTabClose()//关闭上一个tab
{
   我想在这里关闭一个id为 tab_index-1 的tab  该怎么办啊？
   // alert('newtab');
    //tp.remove(tp.findById('newtab' + (tab_index - 1)), true);
    //tp.findById('newtab' + (tab_index - 1)).remove();
}