private void NewP_cancel()
{
CaseManage caseManage = new CaseManage();
this.Hide();
caseManage.ShowDialog();
this.Close();
}
//登录验证
private void check()
{
int errFlag = 1;
string inputLogName = logName.Text;
string inputPwd = logPassword.Text;
if (inputLogName.Length == 0)
{
MessageBox.Show("用户名不能为空!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (!(Regex.Match(inputLogName, "^[A-Za-z0-9]+$").Success))
{
MessageBox.Show("用户名应为数字或大小写字母!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (inputPwd.Length == 0)
{
MessageBox.Show("密码不能为空!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (!(Regex.Match(inputPwd, "^[A-Za-z0-9]{5,17}$").Success))
{
MessageBox.Show("密码应为6-18位数字或大小写字母!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
string command = "SELECT userId, d_userName, d_password FROM [user]";
OleDbCommand OleDbCmd = new OleDbCommand(command, PublicParams.OleDbConn);
try
{
OleDbDataReader reader = OleDbCmd.ExecuteReader();
while (reader.Read())
{
string userId = reader["userId"].ToString();
string userName = reader["d_userName"].ToString();
string password = reader["d_password"].ToString();
if (userName == inputLogName && password == inputPwd)
{
errFlag = 0;
PublicParams.currentUserId = userId;
break;
}
else
{
errFlag = 1;
}
}
reader.Close();
}
catch (Exception error)
{
MessageBox.Show(error.ToString());
}
if (errFlag == 1)
{
MessageBox.Show("用户名或密码错误", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
PublicParams.OleDbConn.Close();
if (errFlag == 0)
{
CaseManage caseManage = new CaseManage();
this.Hide();
caseManage.ShowDialog();
if (PublicParams.LogoutorExit == 0)
{
this.Close();
}
if (PublicParams.LogoutorExit == 1)
{
this.Show();
}
}
}
