public void LoadSysData()
{
//如果没有admin用户，添加该用户
myEFContext db = new myEFContext();
//检查系统设置
int n = db.sysInfo.Count();
if (n == 1)
{
sysInfo sysInfo = db.sysInfo.First();
SysSec.companyName = sysInfo.companyName;
SysSec.sysName = sysInfo.sysName;
}
n = db.Users.Where(t => t.UserLoginName.ToLower() == "admin").Count();
if (n == 0)
{
User adminUser = new User
{
UserLoginName = "admin",
UserPassword = SysSec.StringSec("admin"),
UserName = "******",
Level = 0,
Enable = true,
remark = "系统内置管理员，不能删除",
UserCreateTime = DateTime.Now,
LastLoginTime = null
};
db.Users.Add(adminUser);
db.SaveChanges();
//自动打开系统配置界面
MessageBox.Show("第一次登录使用系统，请设置系统数据");
Form dbset = new sys.SysSet();
dbset.ShowDialog();
}
}
private void Button1_Click(object sender, EventArgs e)
{
//检查登录
string yhm = TextBox1.Text;
string mima = TextBox4.Text;
if (string.IsNullOrEmpty(yhm) | string.IsNullOrEmpty(mima))
{
MessageBox.Show(this, "用户名或者密码为空，请检查。系统不允许用户使用空密码。",
"用户名或密码不能为空", MessageBoxButtons.OK);
return;
}
//检查用户名
myEFContext db = new myEFContext();
User user = db.Users.FirstOrDefault(t => t.UserLoginName.ToUpper() == yhm.ToUpper());
if (user == null)
{
MessageBox.Show(this, "未找到用户名，请检查。用户名一般为姓名全拼，请联系管理员添加。",
"用户名不存在", MessageBoxButtons.OK);
return;
}
//检查用户密码
if (user.UserPassword != sys.SysSec.StringSec(mima))
{
MessageBox.Show(this, "用户密码不配对。",
"密码错误", MessageBoxButtons.OK);
return;
}
if (user.Enable == false)
{
MessageBox.Show(this, "用户已经被禁止登录，请联系管理员", "警告", MessageBoxButtons.OK);
return;
}
//更新登录信息
user.LastLoginTime = DateTime.Now;
db.SaveChanges();
PublicVar.UserLoginName = user.UserLoginName;
PublicVar.UserName = user.UserName;
//记住用户
if (CheckBox1.Checked == true)
{
PublicVar.SetUserName(yhm);
}
else
{
PublicVar.SetUserName("");
}
this.Visible = false;
if (user.Level == 0)
{
Form SysSet = new sys.SysSet();
SysSet.ShowDialog();
this.Close();
}
else
{
Thread th = new Thread(new ThreadStart(StartMainForm));
th.Start();
this.Close();
}
}
