103 lines
2.6 KiB
C#
103 lines
2.6 KiB
C#
/*******************************************************************************
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* Copyright © 2016 HT.Cloud.Framework 版权所有
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* Author: HT.Cloud
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* Description: WaterCloud快速开发平台
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* Website：
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*********************************************************************************/
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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namespace HT.Cloud.Code
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{
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public static partial class Extensions
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{
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/// <summary>
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/// 获取表里某页的数据
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/// </summary>
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/// <param name="data">表数据</param>
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/// <param name="pageIndex">当前页</param>
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/// <param name="pageSize">分页大小</param>
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/// <param name="allPage">返回总页数</param>
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/// <returns>返回当页表数据</returns>
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public static List<T> GetPage<T>(this List<T> data, int pageIndex, int pageSize, out int allPage)
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{
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allPage = 1;
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return null;
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}
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/// <summary>
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/// IList转成List<T>
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="list"></param>
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/// <returns></returns>
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public static List<T> IListToList<T>(IList list)
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{
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T[] array = new T[list.Count];
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list.CopyTo(array, 0);
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return new List<T>(array);
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}
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/// <summary>
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/// 去除空元素
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/// </summary>
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public static List<string> removeNull(List<string> oldList)
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{
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// 临时集合
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List<string> listTemp = new List<string>();
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foreach (var item in oldList)
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{
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if (!string.IsNullOrEmpty(item))
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{
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listTemp.Add(item);
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}
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}
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return listTemp;
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}
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}
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public class ExtList<T> : IEqualityComparer<T> where T : class, new()
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{
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private string[] comparintFiledName = { };
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public ExtList()
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{ }
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public ExtList(params string[] comparintFiledName)
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{
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this.comparintFiledName = comparintFiledName;
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}
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bool IEqualityComparer<T>.Equals(T x, T y)
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{
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if (x == null && y == null)
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{
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return false;
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}
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if (comparintFiledName.Length == 0)
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{
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return x.Equals(y);
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}
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bool result = true;
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var typeX = x.GetType();//获取类型
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var typeY = y.GetType();
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foreach (var filedName in comparintFiledName)
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{
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var xPropertyInfo = (from p in typeX.GetProperties() where p.Name.Equals(filedName) select p).FirstOrDefault();
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var yPropertyInfo = (from p in typeY.GetProperties() where p.Name.Equals(filedName) select p).FirstOrDefault();
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result = result
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&& xPropertyInfo != null && yPropertyInfo != null
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&& xPropertyInfo.GetValue(x, null).ToString().Equals(yPropertyInfo.GetValue(y, null));
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}
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return result;
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}
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int IEqualityComparer<T>.GetHashCode(T obj)
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{
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return obj.ToString().GetHashCode();
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}
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}
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} |