凯撒加密，原文应该全是中英文的，写个还原的代码 private void button1_Click(object sender, EventArgs e){bool flag = true;string kaiser = "U8Y]:8KdJHTXRI>XU#?!K_ecJH]kJG*bRH7YJH7YSH]*=93dVZ3^S8*$:8\"&:9U]RH;g=8Y!U92‘=j*$KH]Z