/// <summary>
/// 复杂查询
/// </summary>
/// <param name="model">查询对象</param>
/// <param name="Orders">排序字典key:排序的字段,value:asc升序/desc降序</param>
/// <param name="PageSize">每页行数，默认15</param>
/// <param name="PageIndex">当前页码，默认100</param>
/// <returns></returns>
public DataGrid <T_LogModel> Search(T_LogModel model, Dictionary <string, string> Orders = null, int PageSize = 15, int PageIndex = 100)
{
Expression <Func <T_Log, bool> > where = null; //最终查询条件
var lambdaList = new List <Expression <Func <T_Log, bool> > >(); //lambda查询条件集合
int total = 0; //总行数
if (model.BeginTime.HasValue)
{
lambdaList.Add(c => c.CreateTime >= (DateTime)model.BeginTime);
}
if (model.EndTime.HasValue)
{
lambdaList.Add(c => c.CreateTime <= (DateTime)model.EndTime);
}
//将集合表达式树转换成Expression表达式树
MyVisitor <T_Log, T_Log> visitor = new MyVisitor <T_Log, T_Log>();
where = visitor.Modify(lambdaList);
var list = dal.Search(out total, where, Orders, PageSize, PageIndex).DTOList().ToList();
var result = new DataGrid <T_LogModel>()
{
rows = list,
total = total
};
return(result);
}
public static T_Log ToModel(this T_LogModel node)
{
return(new T_Log()
{
Id = node.Id,
StaffName = node.StaffName,
Ip = node.Ip,
LoginId = node.LoginId,
Types = node.Types,
CreateTime = DateTime.Now,
});
}
public static T_LogModel DTO(this T_Log node)
{
if (node == null)
{
return(null);
}
var model = new T_LogModel()
{
Id = node.Id,
StaffName = node.StaffName,
Ip = node.Ip,
LoginId = node.LoginId,
Types = node.Types,
CreateTime = node.CreateTime,
};
return(model);
}
public int DeleteData(T_LogModel model)
{
return(this.Delete(model.Id));
}
public int EditData(T_LogModel model)
{
return(this.Edit(model.ToModel()));
}
public int AddData(T_LogModel model)
{
return(this.Add(model.ToModel()));
}
