$('#areaName').combotree({
url: '../Ajax/Common.ashx?Method=GetCombotreeData',
multiple: true,
checkbox: true,
isShowPic: false,
onCheck: function (node, checked) {
// MainJs.RemoveNodeAll('areaName');
},
onLoadSuccess: function (node, data) {
var rootNode = data[0];//第一个节点
if (rootNode) {
var t = $('#areaName').combotree('tree'); // 获取树对象
var node1=t.tree('find', rootNode.id);
t.tree("uncheck", node1.target); //取消所有的选中
}
}
});


默认选中根节点的方法



onLoadSuccess: function (node, data) {
var t = $('#WAY_JY').combotree('tree'); // 获取树对象
var rootNode = t.tree('getRoot');//基础节点
//var node1 = t.tree('find', rootNode.id);
t.tree("uncheck", rootNode.target); //取消所有的选中
}


 json格式



[
{
"id": 1,
"text": "My Documents",
"children": [
{
"id": 11,
"text": "Photos",
"state": "closed",
"children": [
{
"id": 111,
"text": "Friend"
},
{
"id": 112,
"text": "Wife"
},
{
"id": 113,
"text": "Company"
}
]
},
{
"id": 12,
"text": "Program Files",
"children": [
{
"id": 121,
"text": "Intel"
},
{
"id": 122,
"text": "Java",
"attributes": {
"p1": "Custom Attribute1",
"p2": "Custom Attribute2"
}
},
{
"id": 123,
"text": "Microsoft Office"
},
{
"id": 124,
"text": "Games",
"checked": true
}
]
},
{
"id": 13,
"text": "index.html"
},
{
"id": 14,
"text": "about.html"
},
{
"id": 15,
"text": "welcome.html"
}
]
}
]


 清空控件的值:

$("#type").combotree('clear');//清空控件的值

EasyUI combotree 使用技巧_html---->EasyUI combotree 使用技巧_EasyUI_02