static void Main(string[] args)
{
//创建10个对象 通过一个循环 去调用他们各自打招呼的方法
//Student s = new Student();
//Person p = new Person();
//ShuaiGuo sg = new ShuaiGuo();
Person[] pers = new Person[10];
Random r = new Random();
for (int i = 0; i < pers.Length; i++)
{
int rNumber = r.Next(1, 7);
switch (rNumber)//1-6
{
case 1: pers[i] = new Student();
break;
case 2: pers[i] = new Teacher();
break;
case 3: pers[i] = new ShuaiGuo();
break;
case 4: pers[i] = new MeiLv();
break;
case 5: pers[i] = new YeShou();
break;
case 6: pers[i] = new Person();
break;
}
}
for (int i = 0; i < pers.Length; i++)
{
// pers[i].PersonSayHi();
if (pers[i] is Student)
{
((Student)pers[i]).StudentSayHi();
// pers[i].PersonSayHi();
}
else if (pers[i] is Teacher)
{
((Teacher)pers[i]).TeacherSayHi();
}
else if (pers[i] is ShuaiGuo)
{
((ShuaiGuo)pers[i]).ShuaiGuoSayHi();
}
else if (pers[i] is YeShou)
{
((YeShou)pers[i]).YeShouSayHi();
}
else if (pers[i] is MeiLv)
{
((MeiLv)pers[i]).MeiLvSayHi();
}
else
{
pers[i].PersonSayHi();
}
}
Console.ReadKey();
}
static void Main(string[] args)
{
Random r = new Random();
Person[] pers = new Person[10];
for (int i = 0; i < pers.Length; i++)
{
int rNumber = r.Next(1, 7);
switch (rNumber)
{
case 1:
pers[i] = new Student();
break;
case 2:
pers[i] = new Teacher();
break;
case 3:
pers[i] = new ShuaiGe();
break;
case 4:
pers[i] = new MeiNv();
break;
case 5:
pers[i] = new YeShou();
break;
default:
pers[i] = new Person();
break;
}
}
for (int i = 0; i < pers.Length; i++)
{
if (pers[i] is Student)
{
((Student)pers[i]).StudentSayHi();
}
else if (pers[i] is Teacher)
{
((Teacher)pers[i]).TeacherSayHi();
}
else if (pers[i] is ShuaiGe)
{
((ShuaiGe)pers[i]).ShuaiGeSayHi();
}
else if (pers[i] is MeiNv)
{
((MeiNv)pers[i]).MeiMvSayHi();
}
else if (pers[i] is YeShou)
{
((YeShou)pers[i]).YeShouSayHi();
}
else
{
pers[i].PersonSayHi();
}
}
Console.ReadKey();
}
