Excel 数据导出

Web  controller

  /// <summary>
         /// 导出数据
         /// </summary>
         /// <param name="UserID"></param>
         /// <param name="UserName"></param>
         /// <param name="UserStatus"></param>
         /// <param name="Gender"></param>
         /// <param name="Mobile"></param>
         /// <param name="bAddTime"></param>
         /// <param name="eAddTime"></param>
         /// <param name="bLastLoginTime"></param>
         /// <param name="eLastLoginTime"></param>
         public void CreateExcel(string UserID, string UserName, string UserStatus, string Gender, string Mobile, string bAddTime, string eAddTime, string bLastLoginTime, string eLastLoginTime)
         {

             SearchItem.UserSearchItem item = new SearchItem.UserSearchItem();
             if (UserName != null && !UserName.Equals(""))
                 item.UserName = UserName;
             if (UserID != null && !UserID.Equals("") && UserID != "undefined")
                 item.UserID = int.Parse(UserID);
             //*******
             if (UserStatus != null && !UserStatus.Equals("") && !UserStatus.Equals("null"))
                 item.UserStatus = int.Parse(UserStatus);
             if (Gender != null && !Gender.Equals("") && !Gender.Equals("null"))
                 item.Gender = int.Parse(Gender);
             if (Mobile != null && !Mobile.Equals(""))
                 item.Mobile = Mobile;
             //************
             if (bAddTime != "null" && bAddTime != null && !bAddTime.Equals("") && bAddTime != "undefined")
                 item.bAddTime = Convert.ToDateTime(bAddTime);
             if (eAddTime != null && !eAddTime.Equals("") && eAddTime != "undefined")
                 item.eAddTime = Convert.ToDateTime(eAddTime);
             if (bLastLoginTime != null && !bLastLoginTime.Equals("") && bLastLoginTime != "undefined")
                 item.bLastLoginTime = Convert.ToDateTime(bLastLoginTime);
             if (eLastLoginTime != null && !eLastLoginTime.Equals("") && eLastLoginTime != "undefined")
                 item.eLastLoginTime = Convert.ToDateTime(eLastLoginTime);
             //if (Status != null && !Status.Equals("") && Status != "null")
             //    item.Status = Convert.ToInt32(Status);

             Dictionary<string, string> columnInfo = new Dictionary<string, string>();
             columnInfo.Add("UserID", "编号");
             columnInfo.Add("UserName", "用户名");
             columnInfo.Add("TrueName", "真实姓名");
             columnInfo.Add("Gender", "性别");
             columnInfo.Add("Email", "邮箱");
             columnInfo.Add("Mobile", "手机");
             columnInfo.Add("Area", "地域");
             columnInfo.Add("UserStatus", "状态");
             columnInfo.Add("AddTime", "注册时间");
             columnInfo.Add("RegisterIP", "注册IP");
             columnInfo.Add("LastLoginTime", "最后登录时间");
             columnInfo.Add("LastLoginIP", "最后登录IP");

             var objList = new UserInfoDAL().GetListExcel(item);
             var time = DateTime.Now;
             var strtime = time.ToString("yyyyMMddHHmm");
             string FileName = "用户列表导出" + strtime + ".xls";
             //生成EXCEL的HTML
             string excelStr = "";
             Type myType = objList[].GetType();
             //根据反射从传递进来的属性名信息得到要显示的属性
             List<System.Reflection.PropertyInfo> myPro = new List<System.Reflection.PropertyInfo>();
             foreach (string cName in columnInfo.Keys)
             {
                 System.Reflection.PropertyInfo p = myType.GetProperty(cName);
                 if (p != null)
                 {
                     myPro.Add(p);
                     excelStr += columnInfo[cName] + "\t";
                 }
             }
             //如果没有找到可用的属性则结束
             //if (myPro.Count == 0) { return; }
             excelStr += "\n";
             foreach (UserInfo obj in objList)
             {
                 foreach (System.Reflection.PropertyInfo p in myPro)
                 {
                     var d = p.GetValue(obj, null);
                     if (p.Name == "Gender" && p.GetValue(obj, null) != null)
                     {
                         var status = p.GetValue(obj, null).ToString();
                         string sta = "";
                         if (status == "")
                             sta = "女";
                         else if (status == "")
                             sta = "男";
                         else
                             sta = "未定义";
                         excelStr += sta + "\t";
                     }
                     else if (p.Name == "UserStatus" && p.GetValue(obj, null) != null)
                     {
                         var status = p.GetValue(obj, null).ToString();
                         string sta = "";
                         if (status == "")
                             sta = "正常";
                         else if (status == "")
                             sta = "禁止";
                         else
                             sta = "未定义";
                         excelStr += sta + "\t";
                     }
                     else
                         excelStr += p.GetValue(obj, null) + "\t";
                 }
                 excelStr += "\n";
             }
             //输出EXCEL
             HttpResponse rs = System.Web.HttpContext.Current.Response;
             rs.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
             rs.AppendHeader("Content-Disposition", "attachment;filename=" + FileName);
             rs.ContentType = "application/ms-excel";
             rs.Write(excelStr);
             rs.End();

         }

UserInfoDAL()

 public List<UserInfo> GetListExcel(SearchItem.UserSearchItem item)
         {
             /*
              var order = extitem.Sort + " " + extitem.Dir;

             var search = item.UserStatus < 0 ? QueryBuilder.Create<UserInfo>()
                         .Like(c => c.UserName, item.UserName)
                         .Like(c => c.Mobile, item.Mobile)
                         .Equals(c => c.UserID, item.UserID)
                         .Equals(c => c.Gender, item.Gender)
                         .Between(c => c.AddTime, item.bAddTime.HasValue ? item.bAddTime.Value : DateTime.MinValue.AddYears(1990), item.eAddTime.HasValue ? item.eAddTime.Value.AddDays(1) : DateTime.MaxValue)
                 .Between(c => c.LastLoginTime, item.bLastLoginTime.HasValue ? item.bLastLoginTime.Value : DateTime.MinValue.AddYears(1990), item.eLastLoginTime.HasValue ? item.eLastLoginTime.Value.AddDays(1) : DateTime.MaxValue)
                         .LessThan(c => c.UserStatus, 0) :
                         QueryBuilder.Create<UserInfo>()
                     .Like(c => c.UserName, item.UserName)
                     .Like(c => c.Mobile, item.Mobile)
                     .Equals(c => c.Gender, item.Gender)
                     .Equals(c => c.UserStatus, item.UserStatus)
                     .Between(c => c.AddTime, item.bAddTime.HasValue ? item.bAddTime.Value : DateTime.MinValue.AddYears(1990), item.eAddTime.HasValue ? item.eAddTime.Value.AddDays(1) : DateTime.MaxValue)
                 .Between(c => c.LastLoginTime, item.bLastLoginTime.HasValue ? item.bLastLoginTime.Value : DateTime.MinValue.AddYears(1990), item.eLastLoginTime.HasValue ? item.eLastLoginTime.Value.AddDays(1) : DateTime.MaxValue)
                     .Equals(c => c.UserID, item.UserID);
              */

             var search = item.UserStatus <  ? QueryBuilder.Create<UserInfo>()
                         .Like(c => c.UserName, item.UserName)
                         .Like(c => c.Mobile, item.Mobile)
                         .Equals(c => c.UserID, item.UserID)
                         .Equals(c => c.Gender, item.Gender)
                         .Between(c => c.AddTime, item.bAddTime.HasValue ? item.bAddTime.Value : DateTime.MinValue.AddYears(), item.eAddTime.HasValue ? item.eAddTime.Value.AddDays() : DateTime.MaxValue)
                 .Between(c => c.LastLoginTime, item.bLastLoginTime.HasValue ? item.bLastLoginTime.Value : DateTime.MinValue.AddYears(), item.eLastLoginTime.HasValue ? item.eLastLoginTime.Value.AddDays() : DateTime.MaxValue)
                         .LessThan(c => c.UserStatus, ) :
                         QueryBuilder.Create<UserInfo>()
                     .Like(c => c.UserName, item.UserName)
                     .Like(c => c.Mobile, item.Mobile)
                     .Equals(c => c.Gender, item.Gender)
                     .Equals(c => c.UserStatus, item.UserStatus)
                     .Between(c => c.AddTime, item.bAddTime.HasValue ? item.bAddTime.Value : DateTime.MinValue.AddYears(), item.eAddTime.HasValue ? item.eAddTime.Value.AddDays() : DateTime.MaxValue)
                 .Between(c => c.LastLoginTime, item.bLastLoginTime.HasValue ? item.bLastLoginTime.Value : DateTime.MinValue.AddYears(), item.eLastLoginTime.HasValue ? item.eLastLoginTime.Value.AddDays() : DateTime.MaxValue)
                     .Equals(c => c.UserID, item.UserID);
             //int OrderStatus = -4;
             //if (!int.TryParse(osi.OrderStatus, out OrderStatus))
             //{
             //    search.In(c => c.OrderStatus, OrderStatus);
             //}
             var list = (from o in Udc.tb_UserInfo
                         select new UserInfo
                         {
                             //OrderID = t.OrderID,
                             //OrderTime = t.OrderTime,
                             //UserName = Udc.tb_UserInfo.SingleOrDefault(r => r.UserID.Equals(t.UserID)).UserName,
                             UserID = o.UserID,
                             UserName = o.UserName,
                             Email = o.Email,
                             Gender = o.Gender,
                             Mobile = o.Mobile,
                             Provice = o.Provice,
                             City = o.City,
                             Prefecture = o.Prefecture,
                             Area = o.Provice + o.City,
                             UserImage = o.UserImage,
                             LearnIndex = o.LearnIndex,
                             TeachIndex = o.TeachIndex,
                             GoodComments = o.GoodComments,
                             UserStatus = o.UserStatus,
                             TrueName = o.TrueName,
                             IdentyNum = o.IdentyNum,
                             Introduce = o.Introduce,
                             ActiveInfo = o.ActiveInfo,
                             BuyGoodComments = o.BuyGoodComments,
                             Attention = o.Attention,
                             Extend = o.Extend,//**************
                             Img = o.Img,
                             ReferrerID = o.ReferrerID,//************
                             AddTime = o.AddTime,
                             StrGrade = o.Grade,
                             U_School = o.School,
                             PassWord = o.Password,
                             Birthday = o.birthday,
                             RegisterIP = o.RegisterIP,
                             LastLoginIP = o.LastLoginIP,
                             LastLoginTime = o.LastLoginTime

                         }).Where(search.Expression).ToList();//.ToPagedList(esi.Start / esi.Limit + 1, esi.Limit);
             return list;
         }