C# 通用类 备忘,用于重写操作符的示例
作者:互联网
/* ==============================================================================
* 功能描述:Property
* 创 建 者:Dell
* 创建日期:2021/6/15 15:06:27
* ==============================================================================*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ClassLibrary1
{
/// <summary>
/// Property
/// </summary>
[Serializable]
public class Property<T> where T : struct
{
#region Constructor
public Property(string lab, T val, PropertyType type = PropertyType.Sub)
{
this.Label = lab;
this.Value = val;
this.Type = type;
}
public Property(T val) : this(string.Empty, val)
{
}
public Property()
{
}
#endregion
#region Filed
#endregion
#region Property
public string Label { get; init; }
public PropertyType Type { get; init; }
public T Value { get; init; }
#endregion
#region 隐士转换 Methods
//无效方法
//public static implicit operator Property<T>(int obj)
//{
// object ob = obj;
// return new Property<T>((T)ob);
//}
#endregion
#region Public Methods
public static Property<T> operator +(Property<T> a, Property<T> b)
{
//这个必须是的有的
Property<T> prop = new Property<T>();
#region 比较笨的一种方式,会发生装箱和拆箱操作,以object为中间桥梁
//这个也可以直接判断 type 类型判断。进行转化
//if (a.Label == b.Label && a.Type == b.Type)
//{
// object aObj = a.Value;
// object bObj = b.Value;
// object addObj;
// if (aObj is int)
// {
// addObj = (int)aObj + (int)bObj;
// }
// else if (aObj is float)
// {
// addObj = (int)aObj + (int)bObj;
// }
// else if (aObj is double)
// {
// addObj = (int)aObj + (int)bObj;
// }
// else
// {
// return new Property<T>();
// }
// return new Property<T>(a.Label, (T)addObj,a.Type);
//}
#endregion
#region 使用动态类型绑定
//这种方式比较优雅
if (a.Label == b.Label && a.Type == b.Type)
{
if (typeof(T) != typeof(bool))
{
dynamic aDyna = a.Value;
dynamic bDyna = b.Value;
return new Property<T>(a.Label, (T)(aDyna + bDyna));
}
}
#endregion
return prop;
}
//等号为啥补鞥呢重载
//public override static Property<T> operator =(object obj)
//{
// return new Property<T>(obj.ToString(), (T)obj);
//}
#endregion
}
public enum PropertyType
{
Main,
Sub,
}
}
标签:Property,示例,C#,aObj,备忘,int,Label,Type,public 来源: https://blog.csdn.net/weixin_43542114/article/details/117928299