private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show("今天是: "+DateTime.Now.ToString("dddd"));
//今天是:星期一;
}
2021-11-17 04:55:48
private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show("今天是: "+DateTime.Now.ToString("dddd"));
//今天是:星期一;
}