/// <summary>
/// IQueryable 查询结果 转 IPagedList列表 - 通常用于数据库查询转换操作
/// </summary>
/// <typeparam name="TEntity">领域实体 类型</typeparam>
/// <param name="source">IQueryable查询对象</param>
/// <param name="page">当前页</param>
/// <param name="pageSize">页容量大小</param>
/// <returns>IPagedList列表结果集</returns>
public static IPagedList <TEntity> ToPagedList <TEntity>(this IQueryable <TEntity> source, int page, int pageSize) where TEntity : class, new()
{
long total = source.Count();
PagedListResult <TEntity> result = new PagedListResult <TEntity>(page, pageSize, total);
result.AddRange(source.Skip((page - 1) * pageSize).Take(pageSize));
return(result);
}
/// <summary>
/// IPagedList列表结果 entity 转 model
/// </summary>
/// <typeparam name="TEntity">领域实体 类型</typeparam>
/// <typeparam name="TModel">业务实体 类型</typeparam>
/// <param name="source">entity集合 对象</param>
/// <param name="list">model集合 对象</param>
/// <returns>IPagedList列表Model结果集</returns>
public static IPagedList <TModel> ToPagedList <TEntity, TModel>(this IPagedList <TEntity> source, IList <TModel> list)
where TEntity : class, new()
where TModel : class, new()
{
PagedListResult <TModel> result = new PagedListResult <TModel>(source.Pager.Page, source.Pager.PageSize, source.Pager.Total);
result.AddRange(list);
return(result);
}
public EfPagedList(IQueryable <T> queryable, int page, int pageSize)
{
if (page < 1)
{
page = 1;
}
if (pageSize < 10)
{
pageSize = 10;
}
int total = queryable.Count();
_pageResultList = new PagedListResult <T>(page, pageSize, total);
_pageResultList.AddRange(queryable.Skip((page - 1) * pageSize).Take(pageSize));
}