/// <summary>
/// 实例化,获得实体，获得页数，获得分页属性
/// </summary>
/// <param name="initentity">将要分页的实体类</param>
public PageSpreadHelper(IQueryable <T> initentity, int pagesize)
{
this.Enity = initentity.ToList();
this.TotalCount = this.Enity.Count();
this.PageSize = pagesize;
this.PageCount = PageSpreadHelper <T> .GetPageCount(this.Enity.Count(), this.PageSize);
}
//获取分页数据
/// <summary>
/// 将数据跳页后返回需求页码的那部分数据(外链版本)
/// </summary>
/// <param name="result">原始大数据</param>
/// <param name="pageIndex">跳到第几页</param>
/// <param name="recordCount">数据总条数</param>
/// /// <param name="pagesize">分页每页数据数</param>
/// <returns></returns>
public static List <T1> GetPagedDataSource <T1>(List <T1> ent, int pageIndex, int recordCount, int pagesize)
{
var pageCount = PageSpreadHelper <T1> .GetPageCount(recordCount, pagesize);
if (pageIndex >= pageCount && pageCount >= 1)
{
pageIndex = pageCount - 1;
}
List <T1> return_list = ent.Skip(pageIndex * pagesize).Take(pagesize).ToList();
return(return_list);
}