/// <summary>
/// 执行分页_动态操作
/// </summary>
/// <param name="where">查询条件</param>
/// <param name="orderLambda">排序表达式</param>
/// <param name="codeOrderType">排序方式</param>
/// <param name="paging">分页参数</param>
/// <param name="selectExpression">动态类型</param>
/// <returns></returns>
public IPagingBusinessResponse <dynamic> ExecutePage_Dynamic <TKey>(Expression <Func <T, bool> > where, Expression <Func <T, TKey> > orderLambda, CodeOrderType codeOrderType, Paging paging, Expression <Func <T, dynamic> > selectExpression)
{
var query = this.GetQueryable(where);
if (codeOrderType == CodeOrderType.Asc)
{
query = query.OrderBy(orderLambda);
}
else if (codeOrderType == CodeOrderType.Desc)
{
query = query.OrderByDescending(orderLambda);
}
var result = new PagingBusinessResponse <dynamic>
{
Data = query.Select(selectExpression).Skip((paging.PageIndex - 1) * paging.PageSize).Take(paging.PageSize).ToList()
};
paging.Total = query.FutureCount().Value;
paging.PageSize = paging.PageSize;
paging.PageIndex = paging.PageIndex;
result.Paging = paging;
return(result);
}
/// <summary>
/// 执行分页
/// </summary>
/// <param name="query">查询对象</param>
/// <param name="paging">分页对象</param>
public IPagingBusinessResponse <ICollection <T> > ExecutePage(IQueryable <T> query, Paging paging)
{
var result = new PagingBusinessResponse <ICollection <T> >
{
Data = query.Skip((paging.PageIndex - 1) * paging.PageSize).Take(paging.PageSize).ToList()
};
paging.Total = query.FutureCount().Value;
paging.PageSize = paging.PageSize;
paging.PageIndex = paging.PageIndex;
result.Paging = paging;
return(result);
}
/// <summary>
/// 执行分页
/// <para>返回动态对象</para>
/// </summary>
/// <param name="query">查询对象</param>
/// <param name="paging">分页对象</param>
/// <param name="selectExpression">动态表达式</param>
public IPagingBusinessResponse <dynamic> ExecutePage_Dynamic(IQueryable <T> query, Paging paging, Expression <Func <T, dynamic> > selectExpression)
{
var result = new PagingBusinessResponse <dynamic>
{
Data = query.Select(selectExpression).Skip((paging.PageIndex - 1) * paging.PageSize).Take(paging.PageSize).ToList()
};
paging.Total = query.FutureCount().Value;
paging.PageSize = paging.PageSize;
paging.PageIndex = paging.PageIndex;
result.Paging = paging;
return(result);
}
