/// <summary>
/// 重置分页对象
/// </summary>
/// <param name="query">查询对象</param>
public static void ResetPageQuery <T>(this NGPPageQueryRequest <T> query) where T : INGPRequest
{
//充值当前页码
if (query.PageNumber == 0)
{
query.PageNumber = 1;
}
//分页大小默认为10
if (query.PageSize == 0)
{
query.PageSize = 10;
}
}
/// <summary>
/// 分页查询
/// </summary>
/// <typeparam name="TRequest"></typeparam>
/// <typeparam name="TReponse"></typeparam>
/// <param name="source"></param>
/// <param name="query"></param>
/// <returns></returns>
public static NGPPageQueryResponse <TReponse> ParsePageQuery <TRequest, TReponse>(this IQueryable <TReponse> source,
NGPPageQueryRequest <TRequest> query)
where TRequest : INGPRequest
{
var result = new NGPPageQueryResponse <TReponse>();
if (query == null)
{
return(result);
}
query.ResetPageQuery();
//起始页
var startIndex = (query.PageNumber - 1) * query.PageSize;
// 执行分页
var pageSource = source
.Skip(startIndex)
.Take(query.PageSize);
// 总条数
result.TotalCount = source.Select(s => 1).Count();
// 行数据
result.Data = pageSource.ToList();
return(result);
}
/// <summary>
/// 分页查询
/// </summary>
/// <typeparam name="TRequest"></typeparam>
/// <typeparam name="TReponse"></typeparam>
/// <param name="source"></param>
/// <param name="query"></param>
/// <returns></returns>
public static (int totalCount, List <TReponse> data) ParsePageQuery <TRequest, TReponse>(this IQueryable <TReponse> source,
NGPPageQueryRequest <TRequest> query)