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function alertPanel() {
var btn = new Ext.Button({
text : 'new window'
});
btn.on('click', function() {
var ww = new Ext.Window({
height : 300,
width : 300
});
ww.show();
});
var obj = {
title : "myjs",
width : 700,
height : 600,
maximizable : true,
minimizable : true,
html : 'Hello,easyjf open source',
buttons : [{
text : 'treepanel',
listeners : {
click : function() {
var tree = new Ext.tree.TreePanel({
title : '树的测试',
height : 300,
width : 300,
expanded : true,
root : new Ext.tree.AsyncTreeNode({
text : "根节点",
children : [{
text : "Child 1",
leaf : true
}, {
text : "Child 2",
leaf : true
}]
})
});
var win = new Ext.Window({
title : "简单window窗口",
height : 400,
width : 300,
items : tree
})
win.add(new Ext.Panel({
title : "面板"
}));
win.show();
}
}
}, btn]
};
var win = new Ext.Window(obj);
win.show();
}
Ext.onReady(simpleTree);
//创造简单的树
function simpleTree() {
var vnode = new Ext.tree.TreeNode({
text : '树根'
});
vnode.appendChild(new Ext.tree.TreeNode({
text : '子节点'
}));
var tree = new Ext.tree.TreePanel({
title : 'simple树',
width : 400,
height : 300,
root : vnode
});
tree.render(document.body);
}
。

function alertPanel() {
var btn = new Ext.Button({
text : 'new window'
});
btn.on('click', function() {
var ww = new Ext.Window({
height : 300,
width : 300
});
ww.show();
});
var obj = {
title : "myjs",
width : 700,
height : 600,
maximizable : true,
minimizable : true,
html : 'Hello,easyjf open source',
buttons : [{
text : 'treepanel',
listeners : {
'click' : function() {
var tree = new Ext.tree.TreePanel({
title : '树的测试',
height : 300,
width : 300,
expanded : true,
root : {
text : "根节点",
children : [{
text : "Child 1",
leaf : true
}, {
text : "Child 2",
leaf : true
}]
}
});
var win = new Ext.Window({
title : "简单window窗口",
height : 400,
width : 300,
items : tree
})
win.add(new Ext.Panel({
title : "面板"
}));
win.show();
}
}
}, btn]
};
var win = new Ext.Window(obj);
return win
};
Ext.onReady(function() {
var w = alertPanel();
w.show();
});

var rootData = [{text : "Child1",leaf:true},{text:"Child2",leaf:true}]
new Ext.tree.AsyncTreeNode({
text : "根节点",
children : rootData
});