求S2SH+ext tree带checkbox的代码 急~~~~

Question

tree是个权限导航树 能进行修改什么的 有的发邮件[e-mail] 急啊 ~~~~~~~~~~~~~~~~~~~

Answer 1

[code="java"]
Ext.onReady(function() {
var store = Ext.create('Ext.data.TreeStore', {
proxy: {
type: 'ajax',
url: 'check-nodes.json'
},
sorters: [{
property: 'leaf',
direction: 'ASC'
}, {
property: 'text',
direction: 'ASC'
}]
});

var tree = Ext.create('Ext.tree.Panel', {
    store: store,
    rootVisible: false,
    useArrows: true,
    frame: true,
    title: 'Check Tree',
    renderTo: 'tree-div',
    width: 200,
    height: 250,
    dockedItems: [{
        xtype: 'toolbar',
        items: {
            text: 'Get checked nodes',
            handler: function(){
                var records = tree.getView().getChecked(),
                    names = [];

                Ext.Array.each(records, function(rec){
                    names.push(rec.get('text'));
                });

                Ext.MessageBox.show({
                    title: 'Selected Nodes',
                    msg: names.join('<br />'),
                    icon: Ext.MessageBox.INFO
                });
            }
        }
    }]
});

});
[/code]
这个是extjs里面提供的例子，上面的“check-nodes.json”就是tree需要的数据格式：
[code="java"]
[{
"text": "To Do",
"cls": "folder",
"expanded": true,
"children": [{
"text": "Go jogging",
"leaf": true,
"checked": true
},{
"text": "Take a nap",
"leaf": true,
"checked": false
},{
"text": "Climb Everest",
"leaf": true,
"checked": false
}]
},{
"text": "Grocery List",
"cls": "folder",
"children": [{
"text": "Bananas",
"leaf": true,
"checked": false
},{
"text": "Milk",
"leaf": true,
"checked": false
},{
"text": "Cereal",
"leaf": true,
"checked": false
},{
"text": "Energy foods",
"cls": "folder",
"children": [{
"text": "Coffee",
"leaf": true,
"checked": false
},{
"text": "Red Bull",
"leaf": true,
"checked": false
}]
}]
},{
"text": "Remodel Project",
"cls": "folder",
"children": [{
"text": "Finish the budget",
"leaf": true,
"checked": false
},{
"text": "Call contractors",
"leaf": true,
"checked": false
},{
"text": "Choose design",
"leaf": true,
"checked": false
}]
}]
[/code]
你只需要使用struts2产生这样的json数据就可以了。产生json，可以使用struts2-json-plugin.jar这个插件，具体使用你可以参考一下：[url]http://struts.apache.org/2.2.3/docs/json-plugin.html[/url]