/// <summary> /// 执行多个lanmada表达式查询 /// </summary> /// <typeparam name="T">类型</typeparam> /// <param name="row">每页条数</param> /// <param name="page">当前页</param> /// <param name="total">数据条数</param> /// <param name="wherelambdas">lanbda表达式集合</param> /// <returns></returns> public List<T> SearchByKey<T>(int row,int page,ref int total,List<Func<T, bool>> wherelambdas) where T : class,new() { //获取所有的数据集合 List<T> list = LoadEntitiesss<T>(s => true); List<T> listNew = new List<T>(); foreach (Func<T,bool> item in wherelambdas) { list = list.Where<T>(item).ToList(); } total = list.Count;//获取总条数 int start = row * (page - 1);//开始数据 int end = row * page;//结束数据 if (total > start) { end = total < end ? total : end;//判断结束 是否大于数据总条数 for (int i = start; i < end; i++) { listNew.Add(list[i]); } } return listNew; }
使用方法:
SearchByKey() 放在公共方法中 写方法的时候 直接继承
public class WLConfirmEnteringWarehouseOrderBLL : BaseBLL
{
........
}
/// <summary>
/// 绑定数据
/// </summary>
/// <returns></returns>
public string GetWLConfirmEnteringWarehouseOrderList()
{
string action = ResponseHelper.GetRequestParam("action");
string first = ResponseHelper.GetRequestParam("first");
int page = ConvertHelper.ToInt(ResponseHelper.GetRequestParam("page"));
int row = ConvertHelper.ToInt(ResponseHelper.GetRequestParam("rows"));
int total = 0;
if (first.ToLower() == "first")
{
return LoadPagerEntities<TPMPurchaseOrder, int>(row, page, s => false, "asc", s => s.purchaseId);
}
else
{
//客户通知单号
string custNoticeCode = ResponseHelper.GetRequestParam("custNoticeCode1") == null ? "" : ResponseHelper.GetRequestParam("custNoticeCode1");
//客户
string custId = ResponseHelper.GetRequestParam("custId1") == null ? "" : ResponseHelper.GetRequestParam("custId1");
//内部通知单号
string innerNoticeCode = ResponseHelper.GetRequestParam("innerNoticeCode1") == null ? "" : ResponseHelper.GetRequestParam("innerNoticeCode1");
//验收日期
string checkDateStart = ResponseHelper.GetRequestParam("checkDateStart") == null ? "" : ResponseHelper.GetRequestParam("checkDateStart");
string checkDateEnd = ResponseHelper.GetRequestParam("checkDateEnd") == null ? "" : ResponseHelper.GetRequestParam("checkDateEnd");
//上架日期
string goShelfDateStart = ResponseHelper.GetRequestParam("goShelfDateStart") == null ? "" : ResponseHelper.GetRequestParam("goShelfDateStart");
string goShelfDateEnd = ResponseHelper.GetRequestParam("goShelfDateEnd") == null ? "" : ResponseHelper.GetRequestParam("goShelfDateEnd");
//上架确认日期
string requestConfirmDateStart = ResponseHelper.GetRequestParam("requestConfirmDateStart") == null ? "" : ResponseHelper.GetRequestParam("requestConfirmDateStart");
string requestConfirmDateEnd = ResponseHelper.GetRequestParam("requestConfirmDateEnd") == null ? "" : ResponseHelper.GetRequestParam("requestConfirmDateEnd");
//状态
string status = ResponseHelper.GetRequestParam("status1") == null ? "" : ResponseHelper.GetRequestParam("status1");
List<Func<TPMPurchaseOrder, bool>> funcList = new List<Func<TPMPurchaseOrder, bool>>();
#region 条件1
Func<TPMPurchaseOrder, bool> condition1 = s => true;
if (custId != "")
{
condition1 = s => s.custId == ConvertHelper.ToInt(custId);
}
#endregion
#region 条件2
Func<TPMPurchaseOrder, bool> condition2 = s => true;
if (status == "7")
{
condition2 = s => s.custNoticeCode.Contains(custNoticeCode) && s.innerNoticeCode.Contains(innerNoticeCode) && (s.status == "3" || s.status == "4" || s.status == "5" || s.status == "6");
}
else
{
condition2 = s => s.custNoticeCode.Contains(custNoticeCode) && s.innerNoticeCode.Contains(innerNoticeCode) && s.status == status;
}
#endregion
#region 条件3
//验收日期
Func<TPMPurchaseOrder, bool> condition3 = s => true;
if (checkDateStart != "" && checkDateEnd != "")
{
DateTime checkDateStartDate = ConvertHelper.ToDateTime(checkDateStart, "");
DateTime checkDateEndDate = ConvertHelper.ToDateTime(checkDateEnd, "");
condition3 = s => s.checkDate >= checkDateStartDate && s.checkDate <= checkDateEndDate;
}
else if (checkDateStart != "")
{
DateTime checkDateStartDate = ConvertHelper.ToDateTime(checkDateStart, "");
condition3 = s => s.checkDate >= checkDateStartDate;
}
else if (checkDateEnd != "")
{
DateTime checkDateEndDate = ConvertHelper.ToDateTime(checkDateEnd, "");
condition3 = s => s.checkDate <= checkDateEndDate;
}
#endregion
#region 条件4
Func<TPMPurchaseOrder, bool> condition4 = s => true;
//上架日期
if (goShelfDateStart != "" && goShelfDateEnd != "")
{
DateTime goShelfDateStartDate = ConvertHelper.ToDateTime(goShelfDateStart, "");
DateTime goShelfDateEndDate = ConvertHelper.ToDateTime(goShelfDateEnd, "");
condition4 = s => s.goShelfDate >= goShelfDateStartDate && s.goShelfDate >= goShelfDateEndDate;
}
else if (goShelfDateStart != "")
{
DateTime goShelfDateStartDate = ConvertHelper.ToDateTime(goShelfDateStart, "");
condition4 = s => s.goShelfDate >= goShelfDateStartDate;
}
else if (goShelfDateEnd != "")
{
DateTime goShelfDateEndDate = ConvertHelper.ToDateTime(goShelfDateEnd, "");
condition4 = s => s.goShelfDate <= goShelfDateEndDate;
}
#endregion
#region 条件5
Func<TPMPurchaseOrder, bool> condition5 = s => true;
//上架确认日期
if (requestConfirmDateStart != "" && requestConfirmDateEnd != "")
{
DateTime requestConfirmDateStartDate = ConvertHelper.ToDateTime(requestConfirmDateStart, "");
DateTime requestConfirmDateEndDate = ConvertHelper.ToDateTime(requestConfirmDateEnd, "");
condition5 = s => s.requestGoShelfDate >= requestConfirmDateStartDate && s.requestGoShelfDate <= requestConfirmDateEndDate;
}
else if (requestConfirmDateStart != "")
{
DateTime requestConfirmDateStartDate = ConvertHelper.ToDateTime(requestConfirmDateStart, "");
condition5 = s => s.requestGoShelfDate >= requestConfirmDateStartDate;
}
else if (requestConfirmDateEnd != "")
{
DateTime requestConfirmDateEndDate = ConvertHelper.ToDateTime(requestConfirmDateEnd, "");
condition5 = s => s.requestGoShelfDate <= requestConfirmDateEndDate;
}
#endregion
funcList.Add(condition1);
funcList.Add(condition2);
funcList.Add(condition3);
funcList.Add(condition4);
funcList.Add(condition5);
List<TPMPurchaseOrder> tPMPurchaseOrderList = SearchByKey<TPMPurchaseOrder>(row, page, ref total, funcList);
string r = JsonHelper.JsonSerialize(tPMPurchaseOrderList);
return ResponseHelper.ResponseJson(total.ToString(), r);
}
}