private void button1_Click(object sender, EventArgs e) { OpenFileDialog fileDialog = new OpenFileDialog(); //判断用户是否正确的选择了文件 if (fileDialog.ShowDialog() == DialogResult.OK) { FileInfo fileInfo = new FileInfo(fileDialog.FileName); label4.Text = fileInfo.ToString(); button1.Visible = false; string str; StreamReader reader = new StreamReader(fileInfo.ToString(), Encoding.Default); if ((str = reader.ReadLine()) != null) { string[] strArray = str.Split(new char[] { '&' }); Class1 method = new Class1(); if (strArray.Length == 3) { label5.Text = "CPU:" + method.Decrypto(strArray[0].ToString()); label6.Text = "磁盘:" + method.Decrypto(strArray[1].ToString()); label7.Text = "mac地址:" + method.Decrypto(strArray[2].ToString()); } } } }