{
/// <summary>
/// 姓名類
/// </summary>
class Namer
{
private string FirstName;
private string LastName;
public Namer()
{
this.Init(null,null);
}
public Namer(string fn,string ln)
{
this.Init(fn,ln);
}
private void Init(string fn,string ln)
{
this.FirstName=fn;
this.LastName=ln;
}
/// <returns>如果姓名中姓或名有一個爲空，就返回假</returns>
public static bool operator true(Namer n)
{
if(n.FirstName==null || n.LastName==null)
return false;
else
return true;
}
public static bool operator false(Namer n)
{
if(n.FirstName==null || n.LastName==null)
return false;
else
return true;
}
public static bool operator ==(Namer n1,Namer n2)
{
if(n1.FirstName==n2.FirstName && n1.LastName==n2.LastName)
return true;
else
return false;
}
public static bool operator !=(Namer n1,Namer n2)
{
if(n1.FirstName!=n2.FirstName || n1.LastName !=n2.LastName)
return true;
else
return false;
}
public static bool operator >(Namer n1,Namer n2)
{
return (n1.FirstName.CompareTo(n2.FirstName)>0 && n1.LastName.CompareTo(n2.LastName)>0);
}
public static bool operator <(Namer n1,Namer n2)
{
return (n1.FirstName.CompareTo(n2.FirstName)<0 && n1.LastName.CompareTo(n2.LastName)<0);
}
/// 重寫方法，必須有,後面的111是亂加的，你也可以寫其它的
public override int GetHashCode()
{
return base.GetHashCode()*111;
}
/// 重寫方法，必須有
public override bool Equals(object obj)
{
return base.Equals (obj);
}
/// 重寫方法，可以選擇有
public override string ToString()
{
return "姓:"+this.FirstName+" 名:"+this.LastName;
}
public static void Main()
{
Namer n1=new Namer("li","zanhong");
Namer n2=new Namer("ahang","aan");
//Namer n2=new Namer("li","zanhong");
if(n1==n2)
Console.WriteLine("一樣的名字");
else
Console.WriteLine("不一樣的名字");
/////////////////////////////////////
if(n1!=n2)
Console.WriteLine("不一樣的名字成立");
else
Console.WriteLine("同樣的名字成立");
/////////////////////////////////////
if(n1>n2)
Console.WriteLine(n1.ToString()+">"+n2.ToString());
else if(n1<n2)
Console.WriteLine(n1.ToString()+"<"+n2.ToString());
else
Console.WriteLine("沒有正確比較");
Console.ReadLine();
}
}