public static UserInfo Login(string name, string pwd)
{
using (ChatDbContext db = new ChatDbContext())
{
return db.UserInfos.FirstOrDefault(u => u.Name == name && u.Password == pwd);
}
}
public static UserInfo GetByID(int id)
{
using (ChatDbContext db = new ChatDbContext())
{
var ur = db.UserInfos.FirstOrDefault(u => u.Id == id);
return ur;
}
}
public static UserInfo Regester(UserInfo usr)
{
using (ChatDbContext db = new ChatDbContext())
{
var ur = db.UserInfos.Add(usr);
db.SaveChanges();
return ur;
}
}
public static bool Exist(string usrName)
{
using (ChatDbContext db = new ChatDbContext())
{
var ur = db.UserInfos.Any(u => u.Name == usrName);
return ur;
}
}