public static JArray GetAllMenus()
{
JArray retValue = new JArray();
using (MySqlConnection conn = DBUtility.OpenConnection())
{
try
{
Menu[] dbMenus = MenuDal.GetAllMenus(conn);
if (dbMenus != null && dbMenus.Length > 0)
{
//dbMenus为单级权限菜单,需要组装成二级菜单
Dictionary <int, List <Menu> > menuDict = new Dictionary <int, List <Menu> >();
foreach (Menu dbmenu in dbMenus)
{
List <Menu> menuGroup = null;
if (menuDict.ContainsKey(dbmenu.parent_id))
{
menuGroup = menuDict[dbmenu.parent_id];
//选择合适位置插入
int insertIndex = 0;
for (; insertIndex < menuGroup.Count; insertIndex++)
{
if (string.Compare(menuGroup[insertIndex].menu_no, dbmenu.menu_no, StringComparison.OrdinalIgnoreCase) > 0)
{
break;
}
}
menuGroup.Insert(insertIndex, dbmenu);
}
else
{
Menu parent = MenuDal.GetMenu(dbmenu.parent_id, conn);
if (parent != null)
{
menuGroup = new List <Menu>()
{
parent, dbmenu
};
menuDict.Add(dbmenu.parent_id, menuGroup);
}
}
}
//生成json数组
int[] keys = menuDict.Keys.ToArray();
for (int i = 0; i < keys.Length; i++)
{
Menu parent = menuDict[keys[i]][0];
JArray jChildren = new JArray();
for (int j = 1; j < menuDict[keys[i]].Count; j++)
{
Menu child = menuDict[keys[i]][j];
jChildren.Add(new JObject(new JProperty("id", child.menu_no),
new JProperty("name", child.name),
new JProperty("icon", child.icon_class),
new JProperty("url", child.action_url)));
}
JObject jMenuGroup = new JObject(new JProperty("id", parent.menu_no),
new JProperty("icon", parent.icon_class),
new JProperty("name", parent.name),
new JProperty("children", jChildren));
//父级菜单还需一次排序
int insertIndex = 0;
for (; insertIndex < retValue.Count; insertIndex++)
{
JObject item = (JObject)retValue[insertIndex];
if (string.Compare(item["id"].ToString(), jMenuGroup["id"].ToString(), StringComparison.OrdinalIgnoreCase) > 0)
{
break;
}
}
retValue.Insert(insertIndex, jMenuGroup);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
return(retValue);
}
