private void txtReg_userName_Leave(object sender, EventArgs e)
{
//当控件不再是活动空间时，检查用户名是否重复
labRgs_username.Text = "";
//
string strName = txtReg_userName.Text.Trim();
if (string.IsNullOrEmpty(strName))
{
TextBoxInputError("请输入用户名", labRgs_username, pic_username);
return;
}
//
int result = CarHomeMethod.CheckUserName(strName);
if (result == 0)
{
TextBoxInputOk(pic_username);
}
else
{
TextBoxInputError("当前用户名已被注册", labRgs_username, pic_username);
}
}
private void btnLogin_Click(object sender, EventArgs e)
{
string uname = txtUserName.Text.Trim(); //Trim 只能移除首尾两端的空格
//string uname = txtReg_userName.Text.Replace(" ", ""); //Replace 替换所有空格
string upass = txtPassworld.Text.Trim();
if (string.IsNullOrEmpty(uname) || string.IsNullOrEmpty(upass))
{
MessageBox.Show("请输入用户名和密码");
return;
}
//
#region 旧代码
//string sql = "SELECT T_UserName,T_QQNum FROM Users WHERE T_UserName=@UserName and T_Password = @Password;";
//SQLiteParameter[] parms = new SQLiteParameter[] {
// new SQLiteParameter("@UserName",uname),
// new SQLiteParameter("@Password",upass)
//};
//SQLiteDataReader dr = StaticInfo.SqliteHelper.ExecuteReader(sql, parms);
//if(dr.HasRows)
//{
// while (dr.Read())
// {
// StaticInfo.CarUserName = dr["T_UserName"].ToString();
// StaticInfo.CarUserQQ = dr["T_QQNum"].ToString();
// }
// this.Close();
//}
//else
//{
// MessageBox.Show("没有数据，请注册");
// btnRegister_Click(sender, e);//打开注册窗口
//}
#endregion
CarHomeMethod.Login(uname, upass);
if (StaticInfo.CheckUserNameIsNull())
{
MessageBox.Show("没有数据，请注册");
btnRegister_Click(sender, e);//打开注册窗口
}
else
{
this.Close();
}
}
private void btnReg_Register_Click(object sender, EventArgs e)
{
//输入非空判断
string uname = txtReg_userName.Text.Trim(); //Trim 只能移除首尾两端的空格
//string uname = txtReg_userName.Text.Replace(" ", ""); //Replace 替换所有空格
string upass = txtReg_passwolrd.Text.Trim();
string upass2 = txtReg_passwolrd2.Text.Trim();
string uQQ = txtReg_QQ.Text.Trim();
if (string.IsNullOrEmpty(uname) || string.IsNullOrEmpty(upass) || string.IsNullOrEmpty(upass2))
{
MessageBox.Show("带*号为必填项");
return;
}
//两次输入密码是否一致
if (!upass.Equals(upass2))
{
MessageBox.Show("两次输入的密码不一致");
return;
}
#region 安全的写法，容易找出sql注入
//字符串拼接的方式 向数据库插入数据
//string sql = string.Format("INSERT INTO CH_Users (CH_UserName, CH_Passworld, CH_QQ) VALUES({0}, {1}, {2});", uname, upass, uQQ);
//int res= sqlHelper.ExecuteNonQuery(sql, null);
//if (res > 0)
// MessageBox.Show("恭喜【" + uname + "】注册成功");
//else
// MessageBox.Show("很遗憾【" + uname + "】注册失败");
#endregion
#region 旧代码 Ctrl K + S
//安全写法
//string sql = "INSERT INTO Users (T_UserName, T_Password, T_QQNum) VALUES(@T_UserName, @T_Password, @T_QQNum);";
////
//SQLiteParameter[] parms = new SQLiteParameter[] {
// new SQLiteParameter( "@T_UserName", uname),
// new SQLiteParameter( "@T_Password", upass),
// new SQLiteParameter( "@T_QQNum", uQQ),
//};
//int res = sqlHelper.ExecuteNonQuery(sql, parms);
//if (res > 0)
//{
// MessageBox.Show("恭喜【" + uname + "】注册成功");
// carUserName = uname;
// carUserQQ = uQQ;
// this.Close();//关闭窗口
//}
//else
// MessageBox.Show("很遗憾【" + uname + "】注册失败");
#endregion
int res = CarHomeMethod.Register(uname, upass, uQQ);
if (res > 0)
{
MessageBox.Show("恭喜【" + uname + "】注册成功");
StaticInfo.CarUserName = uname;
StaticInfo.CarUserQQ = uQQ;
this.Close();//关闭窗口
}
else
{
MessageBox.Show("很遗憾【" + uname + "】注册失败");
}
}