进阶高级程序员必知必会. 要不然，蠢材吗

   业务代码，逐一去看，虽然开始看不懂，但是看多了，总能懂的，不是吗！ 

也必须去看的啊，要不然呢，这是您的饭碗范围啊！

using System;
using System.Collections.Generic;
using System.Linq;
using Infrastructure;
using OpenAuth.App.Interface;
using OpenAuth.App.Request;
using OpenAuth.Repository;
using OpenAuth.Repository.Domain;
using OpenAuth.Repository.Interface;

namespace OpenAuth.App
{
    public class OrgManagerApp : BaseTreeApp<SysOrg,OpenAuthDBContext>
    {
        private RevelanceManagerApp _revelanceApp;
        /// <summary>
        /// 添加部门
        /// </summary>
        /// <param name="sysOrg">The org.</param>
        /// <returns>System.Int32.</returns>
        /// <exception cref="System.Exception">未能找到该组织的父节点信息</exception>
        public string Add(SysOrg sysOrg)
        {
            var loginContext = _auth.GetCurrentU