using System;
using com.joybase.DB;
using com.oztime.WorkShop.CodeBase;
namespace com.oztime.WorkShop.CodeBase.DB
{
/// <summary>
/// Summary description for DBUser.
/// </summary>
public class DBUser:User
{
private int m_UserID;
private string m_UserName;
private string m_Password;
private Sex m_UserSex;
private string m_UserEmail;
private string m_UserTitle;
public DBUser(string p_UserName)
{
this.m_UserEmail=p_UserName;
this.LoadFromDB(0);
}
public DBUser(int p_UserID)
{
this.m_UserID=p_UserID;
this.LoadFromDB(1);
}
public DBUser(string p_username,string p_password)
{
this.m_UserName=p_username;
this.m_Password=p_password;
this.LoadFromDB(2);
}
public DBUser(string p_UserName,string p_Password,Sex p_UserSex,string p_UserEmail,string p_UserTitle)
{
this.m_Password=p_Password;
this.m_UserEmail=p_UserEmail;
this.m_UserName=p_UserName;
this.m_UserSex=p_UserSex;
this.m_UserTitle=p_UserTitle;
this.m_UserID=this.InserIntoDB();
}
private int InserIntoDB()
{
int result=-1;
try
{
Command command=new Command(DBGlobal.DSN);
command.CommandText=DBGlobal.AddNewUser;
command.Parameter["Username"]=this.m_UserName;
command.Parameter["Password"]=this.m_Password;
command.Parameter["UserSex"]=(int)this.m_UserSex;
command.Parameter["UserEmail"]=this.m_UserEmail;
command.Parameter["UserTitle"]=this.m_UserTitle;
command.ReturnType=ResultType.NoResult;
command.Execute();
command.CommandText=DBGlobal.SelectCurrentUserID;
command.ReturnType=ResultType.DataReader;
System.Data.IDataReader dr=(System.Data.IDataReader)command.Execute();
dr.Read();
result=dr.GetInt32(0);
dr.Close();
}
catch
{
throw new Exception("Cannot Add new User");
}
return result;
}
private void LoadFromDB(int p_Type)
{
try
{
Command command=new Command(DBGlobal.DSN);
switch(p_Type)
{
case 0:
command.CommandText=DBGlobal.SelectUserByName;
command.Parameter["UserName"]=this.m_UserName;
break;
case 1:
command.CommandText=DBGlobal.SelectUserByID;
command.Parameter["UserID"]=this.m_UserID;
break;
case 2:
command.CommandText=DBGlobal.SelectUserByNameAndPassword;
command.Parameter["username"]=this.m_UserName;
command.Parameter["password"]=this.m_Password;
break;
default:
throw new Exception("Error Invode LoadFromDB() method!");
}
System.Data.IDataReader dr=(System.Data.IDataReader)command.Execute();
if(dr.Read())
{
this.m_Password=dr["password"].ToString();
this.m_UserEmail=dr["useremail"].ToString();
this.m_UserID=System.Convert.ToInt32(dr["userid"].ToString());
this.m_UserName=dr["username"].ToString();
this.m_UserSex=(Sex)System.Convert.ToInt32(dr["usersex"].ToString());
this.m_UserTitle=dr["usertitle"].ToString();
}
else
{
throw new Exception("Error to Read userInfo!");
}
dr.Close();
}
catch
{
throw new Exception("Error when load user's Info");
}
}
public int UserID
{
get
{
return this.m_UserID;
}
set
{
this.m_UserID=value;
}
}
public string UserName
{
get
{
return this.m_UserName;
}
set
{
this.m_UserName=value;
}
}
public string Password
{
get
{
return this.m_Password;
}
set
{
this.m_Password=value;
}
}
public Sex UserSex
{
get
{
return this.m_UserSex;
}
set
{
this.m_UserSex=value;
}
}
public string UserEmail
{
get
{
return this.m_UserEmail;
}
set
{
this.m_UserEmail=value;
}
}
public string UserTitle
{
get
{
return this.m_UserTitle;
}
set
{
this.m_UserTitle=value;
}
}
public System.Collections.ArrayList getMyCourse()
{
System.Collections.ArrayList result=null;
return result;
}
}
}
using System;
namespace com.oztime.WorkShop.CodeBase.DB
{
/// <summary>
/// Summary description for DBGlobal.
/// </summary>
public class DBGlobal
{
public DBGlobal()
{
//
// TODO: Add constructor logic here
//
}
public static string DSN="DSN";
/*--------------以下内容与用户类相关----------*/
public static string SelectUserByID="select * from users where userid=@userid";
public static string SelectUserByName="select * from users where username=@username";
public static string AddNewUser="insert into users(username,password,usersex,useremail,usertitle) values(@username,@password,@usersex,@useremail,@usertitle)";
public static string SelectCurrentUserID="select max(userid) from users";
public static string SelectUserByNameAndPassword="select * from users where username=? and password=?";
/*-----------------End-----------------------*/
}
}
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