{

            region:

'

west

'

,

            collapsible:

true

,

            title:

'

导航菜单

'

,

            xtype:

'

treepanel

'

,

            width:

200

,

            autoScroll:

true

,

            split:

true

,

            loader:

new

Ext.tree.TreeLoader({dataUrl:

'

tree.aspx

'

}),

            root: {

                nodeType:

'

async

'

,

                text :

'

root

'

,

                draggable :

false

,

                id :

'

0

'

            },

            rootVisible :

false

,

            listeners: {

                

'

click

'

:

function

(node, event) {   

                 event.stopEvent();   

                

var

n

=

Ext.getCmp(

'

tab

'

).getComponent(node.id);   

                

if

(

!

n

&&

node.attributes.href

!=

null

) {

                    n

=

Ext.getCmp(

'

tab

'

).add({

                      

'

id

'

:node.id,

                      

'

title

'

:node.text,

                       closable:

true

,

                       autoLoad:{url:node.attributes.href, scripts:

true

}

                    });   

                 }   

                 Ext.getCmp(

'

tab

'

).setActiveTab(n);

              }   

            }

        }