可以获取选中的树形的值直接setValue,参考
var grid = justep.xbl('gridOrgTree').grid;
var data = justep.xbl('dOrgTree');
var checkedIDs = grid.getCheckedRowIds();
var names = "";
for(var i = 0;i<checkedIDs.length;i++){
var name = data.getValue('sName',checkedIDs[i])+",";
names += name;
}
alert(names);