commoditymanage.java

这是用java实现的一个仓储管理系统

			outF.write("            Updated table order detail \r\n");
			outF.write("-----------------------------------------------------\r\n");
			outF.close();
      Order o=new Order();
      System.out.println("--------------Update Detail-------------------");
      o.Display();
	}	
		
	public void DeleteOrder()throws IOException
	{
			System.out.println("-----------------4.DeleteOrder--------------------");
			Connection con=null;
	    PreparedStatement stat=null;
	    int res=0;

	    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    try
	    {
	        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	        con=DriverManager.getConnection("jdbc:odbc:Commodity");
	        stat=con.prepareStatement("delete OrderDetail where cOrderID=?");

	        System.out.print("Enter cOrderID(3):");
	        String cOrderID=br.readLine();   //从键盘读入值存入字串变量中

	        stat.setString(1,cOrderID);  //用值替换SQL语句中的问号参数
	    
	        res=stat.executeUpdate();
	        if (res!=0) System.out.println("-------Your details have been registered-------");
	    }

	    catch(Exception ex)
      {      
     	   System.out.println("Could not Delete: "+ex);
      }
	    if (con!=null) con=null;
	    Log l=new Log();
			l.GetDate();
			FileWriter outF = new FileWriter("log.txt",true);
			outF.write("                 Deleted an order \r\n");
			outF.write("-----------------------------------------------------\r\n");
			outF.close();
	    Order o=new Order();
	    System.out.println(" ");
	    System.out.println("----------The Detail that after delete----------");
	    o.DisplayOrder();
	}
	
	public static void main(String args[])throws IOException
	{
			Order o=new Order();
			o.OrderMenu();
	}
}
//-----------------------------------------------------------------------------------------------------------------//

//-------------------------------------------------Here's Sold Detail----------------------------------------------//
class SoldDetail
{
	static String ID;
		
	public void SoldMenu() throws IOException
	{
		System.out.println("        |-----------Sold Menu----------|");		
		System.out.println("                 1.Display Sold");
		System.out.println("                 2.Sell Commodity");
		System.out.println("                    0.Exit");
		System.out.println("        |------------------------------|");
		System.out.print("       Please choose a number(0~2):");
		SoldDetail c=new SoldDetail();
		c.choose();
	  System.out.println("");
	}
	
	public void again()throws IOException
	{
		System.out.println("Return to the Sold Menu ?");
		System.out.print("Press '10' for Yes,Press '20' for No! ");
		BufferedReader ar=new BufferedReader(new InputStreamReader(System.in));
		String d=ar.readLine();
		int m=Integer.parseInt(d);
		SoldDetail c=new SoldDetail();
		Business b=new Business();
		if(m==10)
		{
			c.SoldMenu();
			c.choose();
		}
		else if(m==20)
		{
			System.out.println("You have exited the Main Menu!");
			System.exit(0);
		}
		else	
		{
			System.out.println("Please Enter again!");
			c.again();
		}		
		
	}
	
	public void choose()throws IOException
	{
	  BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String w=br.readLine();
		int k=Integer.parseInt(w);
		SoldDetail s=new SoldDetail();
		Business b=new Business();
		{
			switch(k)
			{
				case 1:	s.DisplaySold(); s.again(); break;
				case 2:	s.Sold(); s.again();	break;
				case 0:	System.out.println("You have returned to the Business Menu!");	
								b.BusinessMenu();
								b.choose();
								break;
				default:
								System.out.println("Please Enter again:");	s.choose();	break;	
			}
		}	
	}
	
	public void DisplaySold() throws IOException
	{
		Connection con=null;
		Statement stat;
		ResultSet res=null;
    try
    {
	    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	    con=DriverManager.getConnection("jdbc:odbc:Commodity");
	    stat=con.createStatement();
	    res=stat.executeQuery("select * from Sold");
	    System.out.println(" ");
			if(res==null)
			{
	    	System.out.println("--------------Sold Table is Null!--------------");
	    	return;
	    }
	    while(res.next())
	    {
	      	System.out.println("            Journal No : "+res.getString(1));
	      	System.out.println("          Commodity ID : "+res.getString(2));
	      	System.out.println("           Supplier ID : "+res.getString(3));
        	System.out.println("        Commodity Name : "+res.getString(4));
        	System.out.println("         Sold Quantity : "+res.getString(5));
        	System.out.println("             Sold Date : "+res.getString(6));
	      	System.out.println("\n--------------------Sold Detail-------------------\n");
	    }
     }
     catch(Exception e)
     {
	    	System.out.println("Could not query: "+e);
     }
		 if (con!=null) con=null;
	}
	
	public void Sold() throws IOException
	{
		Connection con=null;
	  PreparedStatement stat=null;
	  int res=0;

	  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	  try
	  {
	  	String JournalNo,CommodityID,Qty,judge;
	  	int i;
	  	System.out.println("\n");
	  	while(true)
	  	{
	  		System.out.print("Please Input the JournalNo(4) : ");
	  		JournalNo=br.readLine();
	  		System.out.print("Please Input the ID of Commodity(6) : ");
				CommodityID=br.readLine();
				System.out.print("Please Input the Quantity(int) : ");
				Qty=br.readLine();
				System.out.println("\n----------------Please Check Input----------------\n");
				System.out.print("Press 1 to Continue,Press Any Key to Input again : ");
				judge=br.readLine();
				System.out.println("");
				i=Integer.parseInt(judge);
				if(i!=1)continue;
				else break;
			}
			
	  	Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	    con=DriverManager.getConnection("jdbc:odbc:Commodity");
	    stat=con.prepareStatement("exec prcSold ?,?,?");
	    stat.setString(1,JournalNo);
	    stat.setString(2,CommodityID);
	    stat.setInt(3,Integer.parseInt(Qty));
	   	res=stat.executeUpdate();
	    if (res!=0) System.out.println("\n-------Table CommodityDetail has Updated!-------\n");
	  }
	  catch(Exception ex)
    {      
     	System.out.println("\n------------Error! Please Check the Input------------\n\n");
    }
	  if (con!=null) con=null;
	  Log l=new Log();
	  l.GetDate();
		FileWriter outF = new FileWriter("log.txt",true);
		outF.write("               Sold some commodities \r\n");
		outF.write("-----------------------------------------------------\r\n");
		outF.close();
	}

	public static void main(String args[])throws IOException
	{
		try
		{
			SoldDetail s=new SoldDetail();
			s.SoldMenu();
		}
		catch(IOException e)
		{
			System.out.println("main() Error!");
		}
	}
}
//-----------------------------------------------------------------------------------------------------------------//

//-------------------------------------------------Here's Log Detail-----------------------------------------------//
class Log
{
	public void GetDate() throws IOException
  {
     	Connection con=null;
	    PreparedStatement stat;
	    ResultSet res=null;
      try
      {
	    	Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
	    	con=DriverManager.getConnection("jdbc:odbc:Commodity");
	    	stat=con.prepareStatement("select Date=getdate()");
	    	res=stat.executeQuery();
	   		if(res.next())
	   		{
	    		FileWriter outF = new FileWriter("log.txt",true);
	        outF.write("\r\n---------------"+res.getString(1)+"---------------\r\n");
	        outF.close();
	      }
      }
      catch(Exception e)
      {
	    	System.out.println("Could not query: "+e);
      }
      if (con!=null)
      	con=null;
  }
}
//-----------------------------------------------------------------------------------------------------------------//

//-------------------------------------------Here's CommodityManage Detail-----------------------------------------//
public class CommodityManage
{
	public void DisplayMenu()      //显示菜单
	{	
		System.out.println("   |--------------------Main Menu--------------------|");
		System.out.println("             1.Maintenance Commodity Detail");
		System.out.println("             2.Maintenance Supplier Detail");
		System.out.println("       3.Maintenance Business(Order/Sold) Detail");
		System.out.println("             		0.Exit");
		System.out.println("   |-------------------------------------------------|");
		System.out.print("   Please choose a number(0~3):");
	}
	public void chooseMenu() throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String w=br.readLine();
		int y=Integer.parseInt(w);
		CommodityManage CM=new CommodityManage();
		Commodity c=new Commodity();
		Supplier s=new Supplier();
		Order o=new Order();
		Business b=new Business();
		{
			switch(y)
			{
				case 1:	c.CommodityMenu();	c.again();	break;
				case 2:	s.SupplierMenu() ;	s.again();	break;
				case 3:	b.BusinessMenu() ;	b.again();	break;
				case 0:	System.out.println("You have exited the main menu!");	
								System.exit(0); break;
				default:
								System.out.println("Please Enter again:");	CM.chooseMenu();	break;	
			}
			if(y==0)return;
		}	
	}
	
	public void exit()throws IOException
	{
		System.out.println("Exit or not ?");
		System.out.print("Press '10' for Yes,Press '20' for No! ");
		BufferedReader ar=new BufferedReader(new InputStreamReader(System.in));
		String d=ar.readLine();
		int m=Integer.parseInt(d);
		CommodityManage CM=new CommodityManage();
		if(m==10)
		{
			CM.DisplayMenu();
			CM.chooseMenu();
		}
		else if(m==20)
		{
			System.out.println("You have exited the Main Menu!");	
			System.exit(0);
		}
		else	
		{
			System.out.println("Please Enter again!");
			CM.exit();
		}				
	}		
	public static void main(String args[])throws IOException
	{
			CommodityManage CM=new CommodityManage();
			CM.DisplayMenu();
			CM.chooseMenu();
	} 
}
//-----------------------------------------------------------------------------------------------------------------//