/// <summary>
/// 循环获取子节点树形数据
/// </summary>
/// <param name="parentTreeItem"></param>
/// <param name="currentPG"></param>
/// <param name="pgList"></param>
/// <param name="plList"></param>
private void LoopGetPermissionLinesChildrenTree(PermissionLineTreeViewModel parentTreeItem, PermissionGroup currentPG, List <PermissionGroup> pgList, List <PermissionLine> plList)
{
PermissionLineTreeViewModel currentTreeItem = new PermissionLineTreeViewModel();
currentTreeItem.id = "-" + currentPG.Id;//负数以与权限项做区别
currentTreeItem.text = currentPG.DisplayName;
List <PermissionGroup> childrenPGList = pgList.FindAll(delegate(PermissionGroup pg) { return(pg.ParentId == currentPG.Id); });
foreach (var childrenPG in childrenPGList)
{
//递归子节点
LoopGetPermissionLinesChildrenTree(currentTreeItem, childrenPG, pgList, plList);
}
//将该节点的权限项加入children属性中
List <PermissionLine> childrenPLList = plList.FindAll(delegate(PermissionLine pl) { return(pl.Group.Id == currentPG.Id); });
foreach (var childrenPL in childrenPLList)
{
PermissionLineTreeViewModel childrenTreeItem = new PermissionLineTreeViewModel();
childrenTreeItem.id = childrenPL.Id.ToString();
childrenTreeItem.text = childrenPL.DisplayName;
currentTreeItem.children.Add(childrenTreeItem);
plList.Remove(childrenPL);//移除使用过的项
}
parentTreeItem.children.Add(currentTreeItem);
pgList.Remove(currentPG);//移除使用过的项
}
/// <summary>
/// 获取EasyUI树形数据
/// </summary>
/// <returns></returns>
public JsonResult GetPermissionLinesTree()
{
Guid platformGuid = GetPlatformId();
using (FlyDbContext ctx = new FlyDbContext())
{
List <PermissionLine> plList = new List <PermissionLine>();
//获取所有权限项
plList = ctx.PermissionLines.Where(p => p.Group.PlatformId == platformGuid).OrderBy(s => s.Id).ToList();
List <Guid> idList = new List <Guid>();
//获取权限项用到的所有权限组
foreach (var item in plList)
{
if (!idList.Contains(item.GroupId))
{
idList.Add(item.GroupId);
}
}
List <PermissionGroup> pgList = ctx.PermissionGroups.Where(o => o.PlatformId == platformGuid && idList.Contains(o.Id)).ToList();
int pgListCount = pgList.Count;
for (int i = 0; i < pgListCount; i++)
{
LoopGetParent(ctx, pgList[i], pgList, platformGuid);
}
//到这里所有权限项和相关所有权限组都取到了，下面递归构建树形试图对象
List <PermissionLineTreeViewModel> viewTreeItemList = new List <PermissionLineTreeViewModel>();
//一级节点
List <PermissionGroup> rootPGList = pgList.FindAll(delegate(PermissionGroup pg) { return(pg.ParentId == null); });
foreach (var rootPG in rootPGList)
{
PermissionLineTreeViewModel treeItem = new PermissionLineTreeViewModel();
treeItem.id = "-" + rootPG.Id.ToString();//负数以与权限项做区别
treeItem.text = rootPG.DisplayName;
List <PermissionGroup> childrenPGList = pgList.FindAll(delegate(PermissionGroup pg) { return(pg.ParentId == rootPG.Id); });
foreach (var childrenPG in childrenPGList)
{
//递归子节点
LoopGetPermissionLinesChildrenTree(treeItem, childrenPG, pgList, plList);
}
//将该节点的权限项加入children属性中
List <PermissionLine> childrenPLList = plList.FindAll(delegate(PermissionLine pl) { return(pl.Group.Id == rootPG.Id); });
foreach (var childrenPL in childrenPLList)
{
PermissionLineTreeViewModel childrenTreeItem = new PermissionLineTreeViewModel();
childrenTreeItem.id = childrenPL.Id.ToString();
childrenTreeItem.text = childrenPL.DisplayName;
treeItem.children.Add(childrenTreeItem);
plList.Remove(childrenPL);//移除使用过的项
}
viewTreeItemList.Add(treeItem);
}
JsonResult result = new JsonResult()
{
Data = new[] { new { id = 0, text = "所有权限", children = viewTreeItemList } }
};
result.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
return(result);
}
}
