/// <summary>
 /// 添加部门的方法
 /// </summary>
 /// <param name="branchInfo">部门实体</param>
 /// <returns>受影响的行数</returns>
 public int AddBranch(BranchInfoContract branchInfo)
 {
     branchInfo branch = branchInfo.ToPO<branchInfo>();
     return bDAL.AddBranch(branch);
 }
 /// <summary>
 /// 修改部门信息
 /// </summary>
 /// <param name="branchInfo">部门信息实体</param>
 /// <returns>受影响的行数</returns>
 public int UpdateBranch(BranchInfoContract branchInfo)
 {
     branchInfo branch = branchInfo.ToPO<branchInfo>();
     return bDAL.UpdateBranch(branch);
 }