private void button1_Click(object sender, EventArgs e)
{
LogsDB log = new LogsDB();
log.This_days.Add(new This_day {
Log = textBox1.Text, Date_time = DateTime.Now.ToShortDateString()
});
log.SaveChanges();
MessageBox.Show("添加成功");
textBox1.Text = "";
this.Close();
}
