easyUI 异步加载树

时间:2021-01-27 18:05:31
  $(function () {

        var selected = $('#depttree').tree('getSelected');
$('#depttree').tree({
checkbox: false,
animate: true,
url: '/Provider/HandlerCommon.ashx?method=getsessiontree',
onClick: function (node) { }, onSelect: function (node) {
// deptid = node.id;
},
onExpand: function (node) {
// expandid = node.id;
},
onLoadSuccess: function (row, data) { }
});
});
 private string GetSessionTree(HttpContext context)
{
string parentid = context.Request["id"] == null ? "000" : context.Request["id"];
StringBuilder sb = new StringBuilder();
sb.Append("[");
if (parentid.Length == 9)
{
DataCondition<EntitySequenceDepartment.Field> conditsequencedepartment = new DataCondition<EntitySequenceDepartment.Field>();
conditsequencedepartment.Add("{0}='" + parentid + "'",EntitySequenceDepartment.Field.Sequence_Cur);
IList<EntitySequenceDepartment> SequenceDepartmentList = DbSequenceDepartment .ListView(conditsequencedepartment);
for (int i = 0; i < SequenceDepartmentList.Count; i++)
{
sb.Append("{\"id\":\"" + SequenceDepartmentList[i].Sequence_Cur + "\",");
sb.Append("\"text\":\"" + SequenceDepartmentList[i].DepartmentName + "\",");
sb.Append("\"attributes\":\"" + SequenceDepartmentList[i].SeDepartment_Id + "\",");
sb.Append("\"state\":\"open\" },");
} }
else
{
DataCondition<EntitySequence.Field> conditionchild = new DataCondition<EntitySequence.Field>();
conditionchild.Add("{0}='" + parentid + "'", EntitySequence.Field.Sequence_Parent);
IList<EntitySequence> SequenceList = DbSequence.ListView(conditionchild); for (int i = 0; i < SequenceList.Count; i++)
{
sb.Append("{\"id\":\"" + SequenceList[i].Sequence_Cur + "\",");
sb.Append("\"text\":\"" + SequenceList[i].Sequence_Name + "\",");
sb.Append("\"attributes\":\"" + SequenceList[i].Sequence_Id + "\","); if (CheckSequence(SequenceList[i].Sequence_Cur))
{
sb.Append("\"state\":\"closed\" },");
}
else
{
if (CheckSequenceDepartment(SequenceList[i].Sequence_Cur))
{
sb.Append("\"state\":\"closed\" },");
}
else
{
sb.Append("\"state\":\"open\" },");
}
} } }
sb.Remove(sb.Length - 1, 1);
sb.Append("]");
return sb.ToString(); }