namespace _5.小闹钟程序 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } //注册个timer事件 private void timer1_Tick(object sender, EventArgs e) { //每隔一秒将当前的时间赋值给label //label是字符串类型,所以需要将时间转换为字符串类型 label1.Text = DateTime.Now.ToString(); //6:30分播放音乐叫我起床 if(DateTime.Now.Hour==6 && DateTime.Now.Minute == 30 &&DateTime.Now.Second==00) { //新建播放音乐对象 SoundPlayer sp = new SoundPlayer(); //播放音乐路径,这里支持wav格式 sp.SoundLocation = @"C:\Users\Administrator.USER-20180925HC\Desktop\1.wav"; //到6:30分自动播放音乐 sp.Play(); } }

    private void Form1_Load(object sender, EventArgs e)
    {
        //第一秒的时间,当程序加载时就加载
        label1.Text = DateTime.Now.ToString();
    }
}

}