51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
/*******************************************************************************
|
||
* Copyright © 2016 WaterCloud.Framework 版权所有
|
||
* Author: WaterCloud
|
||
* Description: WaterCloud快速开发平台
|
||
* Website：
|
||
*********************************************************************************/
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
|
||
namespace WaterCloud.Code
|
||
{
|
||
public class ExtList<T> : IEqualityComparer<T> where T : class, new()
|
||
{
|
||
private string[] comparintFiledName = { };
|
||
|
||
public ExtList() { }
|
||
public ExtList(params string[] comparintFiledName)
|
||
{
|
||
this.comparintFiledName = comparintFiledName;
|
||
}
|
||
bool IEqualityComparer<T>.Equals(T x, T y)
|
||
{
|
||
if (x == null && y == null)
|
||
{
|
||
return false;
|
||
}
|
||
if (comparintFiledName.Length == 0)
|
||
{
|
||
return x.Equals(y);
|
||
}
|
||
bool result = true;
|
||
var typeX = x.GetType();//获取类型
|
||
var typeY = y.GetType();
|
||
foreach (var filedName in comparintFiledName)
|
||
{
|
||
var xPropertyInfo = (from p in typeX.GetProperties() where p.Name.Equals(filedName) select p).FirstOrDefault();
|
||
var yPropertyInfo = (from p in typeY.GetProperties() where p.Name.Equals(filedName) select p).FirstOrDefault();
|
||
|
||
result = result
|
||
&& xPropertyInfo != null && yPropertyInfo != null
|
||
&& xPropertyInfo.GetValue(x, null).ToString().Equals(yPropertyInfo.GetValue(y, null));
|
||
}
|
||
return result;
|
||
}
|
||
int IEqualityComparer<T>.GetHashCode(T obj)
|
||
{
|
||
return obj.ToString().GetHashCode();
|
||
}
|
||
}
|
||
}
|