/// <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>返回传入的类型</para>
/// </summary>
/// <typeparam name="Tout">返回的类型</typeparam>
/// <param name="query">当前的查询对象</param>
/// <param name="paging">分页参数</param>
/// <param name="selectExpression">查询表达式</param>
/// <returns></returns>
public IPagingBusinessResponse <ICollection <Tout> > ExecutePage <Tout>(IQueryable <T> query, Paging paging, Expression <Func <T, Tout> > selectExpression)
{
var result = new PagingBusinessResponse <ICollection <Tout> >
{
Data = query.Select(selectExpression).Skip((paging.PageIndex - 1) * paging.PageSize).Take(paging.PageSize).ToList()
};
// paging.Total = query.FutureCount().Value;
paging.Total = query.Count();
paging.PageSize = paging.PageSize;
paging.PageIndex = paging.PageIndex;
paging.PageCount = (int)Math.Ceiling((float)paging.Total / paging.PageSize);
result.Paging = paging;
return(result);
}
