public bool Delete() //目前只写Admin表
{
IFormCollection req = Request.Form;
StringValues id;
System.Collections.Generic.ICollection <string> t3;
t3 = req.Keys;
string[] tt = new string[20];
int i = 0;
foreach (string x in t3)
{
tt[i++] = x;
}
req.TryGetValue(tt[0], out id);//ID
var ty = _context.Admins.Find(id);
if (object.Equals(ty, null))
{
return(false);
}
else
{
_context.Admins.Remove(ty);
_context.SaveChanges();
return(true);
}
}
public bool Login()
{
IFormCollection req = Request.Form;
StringValues id, passwd;
System.Collections.Generic.ICollection <string> t3;
t3 = req.Keys;
string[] tt = new string[20];
int i = 0;
foreach (string x in t3)
{
tt[i++] = x;
}
if (i != 2)
{
return(false);
}
req.TryGetValue(tt[0], out id); //ID
req.TryGetValue(tt[1], out passwd); //password
if ((string.Compare(id, null) == 0) || (string.Compare(passwd, null) == 0))
{
return(false);
}
bool tableempty = true;
foreach (var ty in _context.Admins)
{
tableempty = false;
break;
}
if (tableempty) //当管理员表为空时 登录账号 密码为SuperAdministrator SuperAdministrator
{
if ((string.Compare((string)id, "SuperAdministrator") == 0) && (string.Compare((string)passwd, "SuperAdministrator") == 0))
{
return(true);
}
else
{
return(false);
}
}
var db = _context.Admins.Find(id);
if (db == null)
{
return(false);
}
else
{
if (string.Compare(db.AdminPasswd, passwd) == 0)
{
var linq = (from obj in _context.Admins
where obj.AdminNumber == id
select obj).SingleOrDefault();
linq.AdminOnline = true;
linq.AdminLoginTime = System.DateTime.Now;
int row = _context.SaveChanges();
if (row > 0)
{
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
}