static void Main(string[] args)
{
//创建一个边长为5的正方形对象
Square s = new Square("正方形", 5);
Console.WriteLine(s.ToString());
//创建一个学生
Student[] stu = new Student[4];
stu[0] = new Student("090810116", "icecream", 'm', "cslg", "HuShan Road 99#");
Console.WriteLine("学生1\n" + ((IStudent)stu[0]).Answer() + ((ISchool)stu[0]).Answer());
stu[1] = new Student("090810124", "sjs", 'm');
string result = ((IStudent)stu[1]).Answer();
Console.WriteLine("学生2：\n" + result);
//测试委托（degelate）
Students c_s = new Students();
c_s [0] = new Covariant_Student("张云翼", '男', "电子科大");
c_s [1] = new Covariant_Student("张云翼", '男', "电子科大");
c_s [2] = new Covariant_Student("张云翼", '男', "电子科大");
c_s [3] = new Covariant_Student("张云翼", '男', "电子科大");
c_s [4] = new Covariant_Student("张云翼", '男', "电子科大");
PointPerson point = new PointPerson(c_s.getStudent);
for (int i = 0; i < 5; i++)
{
Covariant_Person a = point(i);
Console.WriteLine("姓名：{0}\t性别：{1}.", a.covariant_name, a.covariant_sex);
}
}
static void Main(string[] args)
{
//创建一个边长为5的正方形对象
Square s = new Square( "正方形",5);
Console.WriteLine(s.ToString());
//创建一个学生
Student[] stu = new Student[4];
stu[0] = new Student("090810116", "icecream", 'm', "cslg", "HuShan Road 99#");
Console.WriteLine("学生1\n"+((IStudent)stu[0]).Answer()+((ISchool)stu[0]).Answer());
stu[1] = new Student("090810124", "sjs", 'm');
string result = ((IStudent)stu[1]).Answer();
Console.WriteLine("学生2：\n"+result);
//测试委托（degelate）
Students c_s = new Students();
c_s [0]=new Covariant_Student("张云翼",'男',"电子科大");
c_s [1]=new Covariant_Student("张云翼",'男',"电子科大");
c_s [2]=new Covariant_Student("张云翼",'男',"电子科大");
c_s [3]=new Covariant_Student("张云翼",'男',"电子科大");
c_s [4]=new Covariant_Student("张云翼",'男',"电子科大");
PointPerson point = new PointPerson(c_s.getStudent);
for(int i = 0; i < 5; i++)
{
Covariant_Person a = point(i);
Console.WriteLine("姓名：{0}\t性别：{1}.",a.covariant_name,a.covariant_sex);
}
}
private void button1_Click(object sender, EventArgs e)
{
Students s = new Students();
s[0] = new Student("张云翼", '男', "电子科大");
s[1] = new Student("王海", '男', "成都东软");
s[2] = new Student("陈若水", '女', "电子科大");
s[3] = new Student("赵霞", '女', "电子科大");
s[4] = new Student("梅岭", '女', "电子科大");
PointPerson point = new PointPerson(s.getStudent);
listBox1.Items.Clear();
for (int i = 0; i < 5; i++)
{
Person a = point(i);
listBox1.Items.Add("姓名:"+ a.covariant_name+"\t性别:"+ a.covariant_sex);
}
}
private void button1_Click(object sender, EventArgs e)
{
Students s = new Students();
s[0] = new Student("张云翼", '男', "电子科大");
s[1] = new Student("王海", '男', "成都东软");
s[2] = new Student("陈若水", '女', "电子科大");
s[3] = new Student("赵霞", '女', "电子科大");
s[4] = new Student("梅岭", '女', "电子科大");
PointPerson point = new PointPerson(s.getStudent);
listBox1.Items.Clear();
for (int i = 0; i < 5; i++)
{
Person a = point(i);
listBox1.Items.Add("姓名:" + a.covariant_name + "\t性别:" + a.covariant_sex);
}
}
static void Main()
{
//创建学生集合并存入5个学生的信息
Students s = new Students();
s[0] = new Student("张云逸", '男', "电子科大成都学院");
s[1] = new Student("王海", '男', "成都东软学院");
s[2] = new Student("李若水", '女', "电子科大成都学院");
s[3] = new Student("赵霞", '女', "电子科大成都学院");
s[4] = new Student("梅岭", '男', "成都东软学院");
//创建返回值为Person型的委托对象并指定引用Students集合的getStudent方法
PointPerson point = new PointPerson(s.getStudent);
for (int i = 0; i < 5; i++)
{
Person a = point(i); //协变委托方法调用
Console.WriteLine("姓名：{0}\t性别：{1}。", a.name, a.sex);
}
//创建人员集合并存入5个人的信息
Persons p = new Persons();
p[0] = new Person("许珊珊", '女');
p[1] = new Person("尹佳云", '女');
p[2] = new Person("周巍", '男');
p[3] = new Person("杨森", '男');
p[4] = new Person("刘通", '男');
//创建参数为Student的委托对象，并指定引用Perons集合的getPos
Position pos = new Position(p.getPos);
int k = pos(new Student("周巍", '男', "电子科大成都学院")); //逆变委托方法调用
Console.WriteLine("该生是第{0}个学生。", k + 1);
Console.ReadKey();
}
