private void btn_login_Click(object sender, EventArgs e)
{
if ((txt_pwd.Text.Trim() == "") || (txt_cardno.Text.Trim() == ""))
{
MessageBox.Show("名称, 密码不能为空 ！");
return;
}
string user, pwd, dept;
user = txt_cardno.Text.Trim();
pwd = txt_pwd.Text;
dept = cmb_dept.SelectedValue.ToString();
var md5 = new MD5CryptoServiceProvider();
string t2 = BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(pwd)), 4, 8);
用户表DAL dal = new 用户表DAL();
if ((user == "admin") && (pwd == "Passw0rd"))
{
dept_code = 1;
dept_name = "管理组";
username = "******";
this.Close();
return;
}
string mypwd = dal.getPwd(dept, user);
if (mypwd == "NoPwd")
{
MessageBox.Show("无此用户， 或者用户不在所选部门中");
return;
}
if (t2 == mypwd)
{
username = dal.getUsernameByCard(user);
dept_name = cmb_dept.Text;
dept_code = int.Parse(cmb_dept.SelectedValue.ToString());
usercard = txt_cardno.Text;
this.Close();
}
else
{
MessageBox.Show("密码错误！");
return;
}
}
private void btn_change_Click(object sender, EventArgs e)
{
string new1, new2, old;
old = txt_old.get_value();
new1 = txt_new1.get_value();
new2 = txt_new2.get_value();
if ((old == "") || (new1 == "") || (new2 == ""))
{
label1.Text = "密码不能为空";
return;
}
if (new1 != new2)
{
label1.Text = "新密码不一致！";
return;
}
var md5 = new MD5CryptoServiceProvider();
string t2 = BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(old)), 4, 8);
用户表DAL dal = new 用户表DAL();
string mypwd = dal.getPwd(deptcode.ToString(), usercard);
if (mypwd == "NoPwd")
{
label1.Text = "老密码错误！";
return;
}
if (t2 == mypwd)
{
//var md5 = new MD5CryptoServiceProvider();
用户表 mod = new 用户表();
mod.Cardno = usercard;
mod.Departid = (short)deptcode;
mod.Pwd = BitConverter.ToString(md5.ComputeHash(Encoding.Default.GetBytes(new1)), 4, 8);
dal.changPwd(mod);
label1.Text = "密码修改完成！";
}
}
