Waste/Nirvana.Common/Extend/ExtList.cs

75 lines
2.2 KiB
C#

using System;
using System.Collections;
using System.Collections.Generic;
namespace Nirvana.Common.Extend
{
public static class ExtList
{
/// <summary>
/// 获取表里某页的数据
/// </summary>
/// <param name="data">表数据</param>
/// <param name="pageIndex">当前页</param>
/// <param name="pageSize">分页大小</param>
/// <param name="allPage">返回总页数</param>
/// <returns>返回当页表数据</returns>
public static List<T> GetPage<T>(this List<T> data, int pageIndex, int pageSize, out int allPage)
{
allPage = 1;
return null;
}
/// <summary>
/// IList转成List<T>
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static List<T> IListToList<T>(IList list)
{
T[] array = new T[list.Count];
list.CopyTo(array, 0);
return new List<T>(array);
}
/// <summary>
/// list去重
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="list"></param>
/// <returns></returns>
public static List<Guid> IDistinctList(this List<Guid> list)
{
if(list == null || list.Count == 0)
{
return new List<Guid>();
}
List<Guid> newlist = new List<Guid>();
foreach(var item in list)
{
if(!newlist.Exists(x=>x == item))
{
newlist.Add(item);
}
}
return newlist;
}
public static List<string> IDistinctList(this List<string> list)
{
if (list == null || list.Count == 0)
{
return new List<string>();
}
List<string> newlist = new List<string>();
foreach (var item in list)
{
if (!newlist.Exists(x => x== item))
{
newlist.Add(item);
}
}
return newlist;
}
}
}