/// <summary>
/// 生成菜单树
/// </summary>
/// <param name="menus"></param>
/// <param name="parentMenu"></param>
/// <param name="nodes"></param>
private int ResolveMenuTree(List <SYS_MENU> menus, SYS_MENU parentMenu, TreeNodeCollection nodes)
{
var count = 0;
foreach (var menu in menus.Where(m => m.ParentId == (parentMenu?.Id ?? 0)))
{
var node = new TreeNode();
nodes.Add(node);
count++;
node.Text = menu.Name;
node.IconUrl = menu.ImageUrl;
if (!string.IsNullOrEmpty(menu.NavigateUrl))
{
node.EnableClickEvent = false;
node.NavigateUrl = ResolveUrl(menu.NavigateUrl);
//node.OnClientClick = String.Format("addTab('{0}','{1}','{2}')", node.NodeID, ResolveUrl(menu.NavigateUrl), node.Text.Replace("'", ""));
}
if (menu.ParentId > 0)
{
node.Leaf = true;
// 如果是叶子节点，但是不是超链接，则是空目录，删除
if (string.IsNullOrEmpty(menu.NavigateUrl))
{
nodes.Remove(node);
count--;
}
}
else
{
//node.SingleClickExpand = true;
int childCount = ResolveMenuTree(menus, menu, node.Nodes);
// 如果是目录，但是计算的子节点数为0，可能目录里面的都是空目录，则要删除此父目录
if (childCount == 0 && string.IsNullOrEmpty(menu.NavigateUrl))
{
nodes.Remove(node);
count--;
}
}
}
return(count);
}
private static List <SYS_MENU> InitMenus()
{
var menus = new List <SYS_MENU>();
var dbMenus = SYS_MENU.Fetch(
Sql.Builder
.LeftJoin("SYS_ROLE_MENU")
.On("SYS_MENU.Id = SYS_ROLE_MENU.MenuId")
.Where("RoleId IN (@0)", Current.RoleIds.ToArray())
.Where("SYS_MENU.Active = @0", true)
.Where("SYS_ROLE_MENU.Active = @0", true)
.OrderBy("SortIndex ASC")
).Distinct(new MenuComparer()).ToList();
ResolveMenuCollection(dbMenus, 0, 0, ref menus);
return(menus);
}
