/// <summary>
/// 生成分页
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="pageIndex">当前页码</param>
/// <param name="pageSize">每页数据数</param>
/// <param name="v">需要分页的数据</param>
/// <returns></returns>
public async Task <Page <T> > GeneratePageAsync <T>(int pageIndex, int pageSize, IAsyncQueryable <T> v)
{
int totalRecord = (await v.ToListAsync()).Count;
var list = await v.Skip((pageIndex - 1) *pageSize).Take(pageSize).ToListAsync();
int pageCount = Convert.ToInt32(Math.Ceiling(totalRecord / Convert.ToDouble(pageSize)));
int prevPage = pageIndex > 0 ? pageIndex - 1 : 0;
int nextPage = pageIndex < pageCount ? pageIndex + 1 : 0;
var pages = new Page <T>()
{
PageSize = pageSize,
PageIndex = pageIndex,
NextPage = nextPage,
TotalRecord = totalRecord,
PrevPage = prevPage,
PageCount = pageCount,
Content = list
};
return(pages);
}