private bool CanRegister(string name)
{
try
{
IQuery <TableUser> q = context.Query <TableUser>();
// 如果是查询一条数据，用FirstOrDefault，无数据能返回空，而不是异常
TableUser u = q.Where(user => user.UserName == name).FirstOrDefault();
if (u == null)
{
return(true);
}
return(false);
}
catch (Exception e)
{
return(false);
}
}
public bool CheckPassWord(string userName, string passWord)
{
try
{
IQuery <TableUser> q = context.Query <TableUser>();
TableUser u = q.Where(user => user.UserName == userName && user.PassWord == passWord).FirstOrDefault();
if (u != null)
{
return(true);
}
return(false);
}
catch (Exception e)
{
Console.WriteLine("检测用户名错误" + e.Message);
return(false);
}
}
public bool Register(string userName, string pw)
{
if (!CanRegister(userName))
{
Console.WriteLine("[DataMgr]Register !CanRegister");
return(false);
}
try
{
TableUser user = new TableUser();
user.UserName = userName;
user.PassWord = pw;
context.Insert(user);
return(true);
}
catch (Exception e)
{
Console.WriteLine("插入失败");
Console.ReadKey();
return(false);
}
}
