private void btnSubmit_Click(object sender, EventArgs e) { string userName = txtUserName.Text.Trim(); string password = txtPassword.Text.Trim(); string repeatPassword = txtRepeatPassword.Text.Trim(); string mail = txtMail.Text.Trim(); // 验证用户输入的信息是否合法 if (VerifyUserInfo.Verify(userName, password, mail) == false) { MessageBox.Show("请检查输入的信息!", "信息不合法:"); return; } else { // TODO:判断用户是否已经存在 if (password.Equals(repeatPassword)) { UserInfo user = new UserInfo() { Name = userName, Password = password, Email = mail }; OperateUserInfo operate = new OperateUserInfo(); bool record = operate.AddUserInfo(user); if (record == true) { MessageBox.Show("注册成功!"); } } else MessageBox.Show("密码不一致!", "错误:", MessageBoxButtons.OK, MessageBoxIcon.Error); } }