后台
namespace WindowsFormsApplication1
{
/// <summary>
/// 刷卡验证 类
/// </summary>
public class Card
{
public delegate void shuaka(object txt);
public event shuaka shuashijian;
public void shua(string carnumber, object txt)
{
if (carnumber == "123")
{
if (shuashijian != null)
{
shuashijian(txt);
}
}
}
}
}
//定义一个食堂类
public class 食堂
{
public 食堂(Card m)
{
m.shuashijian += new Card.shuaka(obs);
}
public void obs(object txt)
{
((TextBox)txt).Text = "打饭";
}
}
//定义一个饮水类
public class 饮水cs
{
public 饮水cs(Card sc)
{
sc.shuashijian += new Card.shuaka(OpenDoor);
}
public void OpenDoor(object txt)
{
((TextBox)txt).Text = "流水";
}
}
//空调的类
public class AirConditione
{
/// <summary>
/// 空调
/// </summary>
/// <param name="m"></param>
public AirConditione(Card m)
{
m.shuashijian += new Card.shuaka(od);
}
public void od(object txt)
{
((TextBox)txt).Text = ((TextBox)txt).Text + "
开空调";
}
}
前台
/// <summary>
/// 饮水
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button2_Click(object sender, EventArgs e)
{
Card scc = new Card();
饮水cs d = new 饮水cs(scc);
scc.shua("123", textBox1);
}
/// <summary>
/// 食堂
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
Card s = new Card();
食堂 p = new 食堂(s);
s.shua("123", textBox1);
}
/// <summary>
/// 多播
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button3_Click(object sender, EventArgs e)
{
Card m = new Card();
食堂 s = new 食堂(m);
AirConditione shu = new AirConditione(m);
m.shua("123", textBox1);
}