www.pudn.com > safsafas.rar > MainFrame.java

import javax.swing.*; 
import java.awt.*; 
import java.awt.event.*; 
import java.sql.*; 
import java.util.*; 
class MainFrame extends JFrame 
{ 
	private Dimension Size; 
	private JLabel index; 
	private int Height,Width; 
	private Container contentPane; 
	private JPanel panel1,panel2; 
	private JMenuBar jmb; 
	private JMenu Normalmode,Vipmode; 
	private JMenuItem Enter,quit,shouzhi,biaojia,tuichu; 
	private GridBagLayout layout; 
	private GridBagConstraints gbc; 
	private JLabel cardNum,goodNum,gid,gname,gNum,gcost,gprice,index1,index2,index3,gid1,gprice1,gid2,shouru,zhichu; 
	private JTextField t_cardNum,t_goodNum,t_gid,t_gname,t_gNum,t_gcost,t_gprice,t_gresult,t_gid1,t_gprice1,t_gid2,t_shouru,t_zhichu; 
	private JTextArea result; 
	private JButton accept,cancel,chkout,add1,delete1,modify,search,save,search1; 
	private String url="jdbc:odbc:good"; 
	private Connection conn; 
	private Statement stmt; 
	private ResultSet rs; 
	private Vector total; 
	private String sql1,temp; 
	private PreparedStatement pstmt; 
	private float[] total1; 
	private Listener lis1; 
	 
	public MainFrame() 
	{ 
		init(); 
		this.setTitle("超市管理系统V1.0"); 
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
	//	this.setSize(400,400); 
		this.show(); 
	} 
	public void init() 
	{ 
		Toolkit kit=this.getToolkit(); 
		Size=kit.getScreenSize(); 
		Width=Size.width; 
		Height=Size.height; 
		this.setSize(2*Width/3,2*Height/3); 
		this.setLocation(Width/6,Height/6); 
		lis1=new Listener(); 
		total=new Vector(); 
		layout=new GridBagLayout(); 
		gbc=new GridBagConstraints(); 
 
		index=new JLabel("超市管理系统V1.0"); 
		index.setFont(new Font("Test",Font.PLAIN,15)); 
		contentPane=this.getContentPane(); 
		panel1=new JPanel(); 
		contentPane.add(panel1,BorderLayout.CENTER); 
		panel1.add(index); 
		jmb=new JMenuBar(); 
		Normalmode=new JMenu("服务模式"); 
		Vipmode=new JMenu("管理模式"); 
		Enter=new JMenuItem("进入系统"); 
		Enter.addActionListener(lis1); 
		quit=new JMenuItem("退出"); 
		quit.addActionListener(lis1); 
		shouzhi=new JMenuItem("收支管理"); 
		shouzhi.addActionListener(lis1); 
		biaojia=new JMenuItem("货品管理"); 
		biaojia.addActionListener(lis1); 
		tuichu=new JMenuItem("退出管理"); 
		tuichu.addActionListener(lis1); 
		Normalmode.add(Enter); 
		Normalmode.add(quit); 
		Vipmode.add(shouzhi); 
		Vipmode.add(biaojia); 
		Vipmode.add(tuichu); 
		jmb.add(Normalmode); 
		jmb.add(Vipmode); 
		this.setJMenuBar(jmb);	 
	} 
 
	void service() 
	{ 
		panel1.removeAll(); 
		panel1.setLayout(layout); 
		result=new JTextArea(12,40); 
		result.setEditable(false); 
		result.setText("   商品编号        商品名称         价格       \n"); 
		cardNum=new JLabel("会员卡号 :   "); 
		goodNum=new JLabel("商品编号 :   "); 
		t_cardNum=new JTextField(6); 
		t_cardNum.setText("#"); 
		t_goodNum=new JTextField(6); 
		t_goodNum.setText("#"); 
		accept=new JButton("提交"); 
		accept.addActionListener(lis1); 
		cancel=new JButton("取消"); 
		cancel.addActionListener(lis1); 
		chkout=new JButton("结算"); 
		chkout.addActionListener(lis1); 
		addTo(result,gbc,0,0,4,4); 
		addTo(cardNum,gbc,0,4,1,1); 
		addTo(t_cardNum,gbc,1,4,1,1); 
		addTo(goodNum,gbc,2,4,1,1); 
		addTo(t_goodNum,gbc,3,4,1,1); 
		addTo(accept,gbc,0,5,1,1); 
		addTo(cancel,gbc,1,5,1,1); 
		addTo(chkout,gbc,2,5,1,1); 
		 
		panel1.repaint(); 
		this.show(); 
 
		 
	} 
 
	void listx() 
	{ 
		String card=t_cardNum.getText(); 
		String good=t_goodNum.getText(); 
		if(good.equals("#")) 
			JOptionPane.showMessageDialog(this,"请输入商品编号！"); 
		else 
		{ 
		try 
		{ 
 
			Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); 
			conn=DriverManager.getConnection(url,"",""); 
			stmt=conn.createStatement(); 
			String sql="select * from good where gid='"+good+"'"; 
			String sql1="update good set gNum=gNum-1 where gid='"+good+"'"; 
			stmt.execute(sql1); 
			rs=stmt.executeQuery(sql); 
			 
			while(rs.next()) 
			{ 
				String price=rs.getString(5); 
				result.append("   "+rs.getString(1)+"                "+rs.getString(2)+"                  "+price+"元\n"); 
				total.addElement(price); 
			} 
			total1=new float[total.size()+1];  
			for (int j=0;j