namespace WindowsFormsApp3
{
public partial class Form1 : Form
{
//实例化字符串，设置字符串长度与内容
string[] student=new string[7] { "张三","李四","王五","赵六","hello","world","hello world"};
public Form1()
{
InitializeComponent();
}
//在WinForm界面布置Label作为名字显示，布置Button触发随机点名事件
private void button1_Click(object sender, EventArgs e)
{
this.label1.Text = "";
Random name= new Random();
int num=name.Next(7);
this.label1.Text = student[num];
}
}
}