mainframe.java

库存管理系统 采用JAVA来编写 希望对学习JAVA 的同学有所帮助

package merchant;
//import java.awt.BorderLayout;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class MainFrame extends JFrame {
	private Inventory inventory=new Inventory();
	private Invoice invoice =new Invoice(inventory);
	final JTextArea textArea1=new JTextArea();
	final JTextArea textArea2=new JTextArea();
	
	//constructor
	public MainFrame()
	{
		super();
		setTitle("商品库存管理系统");
		final JTabbedPane tabbedPane=new JTabbedPane();
		final JPanel panel1=new JPanel();
		final JPanel panel2=new JPanel();
		final JScrollPane scrollPane1=new JScrollPane(textArea1);
		final JScrollPane scrollPane2=new JScrollPane(textArea2);
		final JTextField id1_field=new JTextField(4);
		final JTextField number1_field=new JTextField(4);
		
		final JTextField id2_field=new JTextField(4);
		final JTextField number2_field=new JTextField(4);
		
		final JPanel panelButton1=new JPanel();
		final JPanel panelButton2=new JPanel();
		final JPanel panelInput1=new JPanel();
		final JPanel panelInput2=new JPanel();
		final JButton inventoryAddButton=new JButton();
		final JButton inventoryRemoveButton=new JButton();
		final JButton invoiceAddButton=new JButton();
		final JButton invoiceDeleteButton=new JButton();
		
		getContentPane().add(tabbedPane,BorderLayout.CENTER);
		tabbedPane.add("存货单",panel1);
		tabbedPane.add("提货单",panel2);

		panel1.setLayout(new BorderLayout());
		panel1.add(scrollPane1,BorderLayout.CENTER);
		panel1.add(panelButton1,BorderLayout.SOUTH);
		panel1.add(panelInput1,BorderLayout.NORTH);
		panelInput1.add(new JLabel("存货单某项的id："));
		panelInput1.add(id1_field);
		panelInput1.add(new JLabel("商品数量："));
		panelInput1.add(number1_field);
		panelButton1.add(inventoryAddButton);
		inventoryAddButton.setText("增加商品数量");
		panelButton1.add(inventoryRemoveButton);
		inventoryRemoveButton.setText("减少商品数量");
		textArea1.setEditable(false);
		scrollPane2.setViewportView(textArea2);
		
		panel2.setLayout(new BorderLayout());
		panel2.add(scrollPane2,BorderLayout.CENTER);
		panel2.add(panelButton2,BorderLayout.SOUTH);
		panel2.add(panelInput2,BorderLayout.NORTH);
		panelInput2.add(new JLabel("提货单某项id："));
		panelInput2.add(id2_field);
		panelInput2.add(new JLabel("商品数量："));
		panelInput2.add(number2_field);
		panelButton2.add(invoiceAddButton);
		invoiceAddButton.setText("增加提货单");
		panelButton2.add(invoiceDeleteButton);
		invoiceDeleteButton.setText("减少提货单");
		textArea2.setEditable(false);
		scrollPane2.setViewportView(textArea2);
		
		refreshInventory();
		refreshInvoice();
		
		inventoryAddButton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e)
			{
				try{
					inventory.addUnits(id1_field.getText(), Integer.parseInt(number1_field.getText()));
				}catch(NumberFormatException ex){
					JOptionPane.showMessageDialog(null,"输入的商品数量错误！","警告",JOptionPane.ERROR_MESSAGE);
				}
				refreshInventory();
			}
		});
		
		inventoryRemoveButton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e)
			{
				try{
					inventory.removeUnits(id1_field.getText(), Integer.parseInt(number1_field.getText()));
				}catch(NumberFormatException ex){
					JOptionPane.showMessageDialog(null,"输入的商品数量错误！","警告",JOptionPane.ERROR_MESSAGE);
				}
				refreshInventory();
			}
		});
		
		invoiceAddButton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e)
			{
				try{
					invoice.addItem(id2_field.getText(), Integer.parseInt(number2_field.getText()));
				}catch(NumberFormatException ex){
					JOptionPane.showMessageDialog(null,"输入的商品数量错误！","警告",JOptionPane.ERROR_MESSAGE);
				}
				refreshInvoice();
				refreshInventory();
			}
		});
		
		invoiceDeleteButton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e)
			{
				invoice.delItem(id2_field.getText());
				refreshInvoice();
			}
		});
		
	}
	public void refreshInventory()
	{
		String str=null;
		for(int i=0;i<inventory.list.length;i++)
		{
			str=inventory.toString()+"\n";
		}
		textArea1.setText(str);
	}
	public void refreshInvoice()
	{
		String str=null;
		for(int i=0;i<invoice.list.length;i++)
		{
			str=invoice.toString()+"\n";
		}
		textArea2.setText(str);
	}
	public static void main(String[] args)
	{
		MainFrame frame=new MainFrame();
		frame.setBounds(100,100,500,400);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}
}