<!-- 样式表 -->
<link href="~/Content/bootstrap.css" rel="stylesheet" />
<link href="~/bootstrap-treeview.css" rel="stylesheet" />
<!-- JS文件 -->
<script src="jquery.js"></script>
<script src="bootstrap-treeview.js"></script>

var tree = [
{
text: "Parent 1",
nodes: [
{
text: "Child 1",
nodes: [
{
text: "Grandchild 1"
},
{
text: "Grandchild 2"
}
]
},
{
text: "Child 2"
}
]
},
{
text: "Parent 2"
},
{
text: "Parent 3"
},
{
text: "Parent 4"
},
{
text: "Parent 5"
}
];

<div id="tree"></div>

<script>
$(function () {
$.ajax({
type: "Post",
url: "/Home/GetTreeJson",
dataType: "json",
success: function (result) {
$('#tree').treeview({
data: result, // 数据源
showCheckbox: true, //是否显示复选框
highlightSelected: true, //是否高亮选中
//nodeIcon: 'glyphicon glyphicon-user', //节点上的图标
nodeIcon: 'glyphicon glyphicon-globe',
emptyIcon: '', //没有子节点的节点图标
multiSelect: false, //多选
onNodeChecked: function (event,data) {
alert(data.nodeId);
},
onNodeSelected: function (event, data) {
alert(data.nodeId);
}
});
},
error: function () {
alert("树形结构加载失败！")
}
});
})
</script>

/// <summary>
/// 返回Json格式数据
/// </summary>
/// <returns></returns>
[HttpPost]
public JsonResult GetTreeJson()
{
var nodeA = new List<Node>();
nodeA.Add(new Node(4, "A01", null));
nodeA.Add(new Node(5, "A02", null));
nodeA.Add(new Node(6, "A03", null));

var nodeB = new List<Node>();
nodeB.Add(new Node(7, "B07", null));
nodeB.Add(new Node(8, "B08", null));
nodeB.Add(new Node(9, "B09", null));

var nodes = new List<Node>();
nodes.Add(new Node(1, "A01", nodeA));
nodes.Add(new Node(2, "B02", nodeB));
nodes.Add(new Node(3, "A03", null));
return Json(nodes, JsonRequestBehavior.AllowGet);
}
/// <summary>
/// Tree类
/// </summary>
public class Node
{
public Node() { }
public Node(int id, string str, List<Node> node)
{
nodeId = id;
text = str;
nodes = node;
}
public int nodeId; //树的节点Id，区别于数据库中保存的数据Id。若要存储数据库数据的Id，添加新的Id属性；若想为节点设置路径，类中添加Path属性
public string text; //节点名称
public List<Node> nodes; //子节点，可以用递归的方法读取，方法在下一章会总结
}