Java项目:无库版商品管理系统(java+Gui+文档)

源码获取：博客首页 "资源" 里下载！

功能介绍：

添加商品、修改商品、删除商品、进货出货、查看流水、注册

登录业务处理：

public class LoginView extends JFrame implements ComponentListener{private JPanel centerJpanel;private JTextField userName;private JPasswordField password;private JLabel label1;private JLabel label2;private JPanel southJpanel;private JButton loginBtn;private JButton regiestBtn;private JPanel bgPanel;public LoginView() {setTitle("登录");
//		buildUi();setSize(380, 400);setLocationRelativeTo(null);setResizable(false);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);setVisible(true);}/*** 初使化界面*/@SuppressWarnings("serial")public void buildUi(){bgPanel = new JPanel(){public void paintComponent(Graphics g) {  super.paintComponent(g);  ImageIcon icon;  Image img; icon = new ImageIcon("E:\\图片册\\lvu.jpg");// 背景图片 img = icon.getImage();g.drawImage(img, 0, 0,this.getWidth(), this.getHeight(), this);  } };add(bgPanel);bgPanel.setLayout(new BorderLayout(20,20));//实例化中间容器centerJpanel = new JPanel(){public void paintComponent(Graphics g) {  super.paintComponent(g);  ImageIcon icon;  Image img; icon = new ImageIcon("E:\\图片册\\lvu.jpg");// 背景图片 img = icon.getImage();//下面这行是为了背景图片可以跟随窗口自行调整大小，可以自己设置成固定大小  g.drawImage(img, 0, 0,this.getWidth(), this.getHeight(), this);} };//实例化用户名密码控件label1=new JLabel("用户：");label1.setFont(new Font("Dialog",1,15));userName = new JTextField(24);label2=new JLabel("密码：");label2.setFont(new Font("Dialog",1,15));password = new JPasswordField(24);//添加用户名密码控件到 中间容器中centerJpanel.add(label1);centerJpanel.add(userName);centerJpanel.add(label2);centerJpanel.add(password);centerJpanel.setBackground(null);//实列化欢迎字，并添加到根容器的北边JLabel label3 = new JLabel("药品管理系统");label3.setHorizontalAlignment(JLabel.CENTER);label3.setFont(new Font("Dialog",1,20));label3.setForeground(Color.green);label3.setBackground(Color.white);bgPanel.add(label3,BorderLayout.NORTH);//添加中间容器到根容器的中间bgPanel.add(centerJpanel,BorderLayout.CENTER);southJpanel = new JPanel();southJpanel.setBackground(Color.white);regiestBtn = new JButton("注册");regiestBtn.setBackground(Color.lightGray);regiestBtn.setSize(100, 60);southJpanel.add(regiestBtn);southJpanel.setBackground(Color.white);regiestBtn.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {new RegiestView();}});loginBtn = new JButton("登录");loginBtn.setBackground(Color.lightGray);loginBtn.setSize(100, 60);southJpanel.add(loginBtn);loginBtn.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {try {doLogin();} catch (SQLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}}});bgPanel.add(southJpanel,BorderLayout.SOUTH);}@SuppressWarnings("deprecation")private void doLogin() throws SQLException{String username = userName.getText().trim();String password = this.password.getText().trim();String sql = "select * from EmployeeInfo "+ "where eid=? and password=? and isAdmin=1";SqlHelper sqlHelper = new SqlHelper();ResultSet result = sqlHelper.query(sql, new String[]{username,password});if (result.next()) {//登录成功new SystemMainView();dispose();}else{JOptionPane.showConfirmDialog(null, "您不是管理员    无法登陆！","提示",JOptionPane.WARNING_MESSAGE);}}public static void main(String[] args) {new LoginView();}public void componentResized(ComponentEvent e) {System.out.println(getWidth()+"X"+ getHeight());ImageIcon background = new ImageIcon("E:\\图片册\\lvu.jpg");// 背景图片 JLabel label = new JLabel(background);// 把背景图片显示在一个标签里面  // 把标签的大小位置设置为图片刚好填充整个面板  label.setBounds(0, 0, getWidth(),  getHeight());  JPanel imagePanel = (JPanel) getContentPane();  imagePanel.setOpaque(false);  // 内容窗格默认的布局管理器为BorderLayout  getLayeredPane().add(label, new Integer(Integer.MIN_VALUE));}@Overridepublic void componentMoved(ComponentEvent e) {}public void componentShown(ComponentEvent e) {}@Overridepublic void componentHidden(ComponentEvent e) {}}

系统主页处理：

@SuppressWarnings("serial")
public class SystemMainView extends JFrame implements ActionListener{
JButton button,btnOk,select;
JScrollPane jsp;
JTextPane area=new JTextPane();
JTextField textfield;
JFileChooser fc=new JFileChooser();
File file=null;
ImageIcon imageIcon=new ImageIcon("E:\\图片册\\lan.jpg");public SystemMainView(){setTitle("药品管理系统");this.setSize( 900, 500);setResizable(false);setLocationRelativeTo(null);layoutUI();this.setVisible(true);}private void layoutUI(){//对象实例化JTabbedPane tab = new JTabbedPane(JTabbedPane.TOP); //容器Container container = this.getLayeredPane();//对象化面板JPanel combop = new JPanel(){public void paintComponent(Graphics g) {super.paintComponent(g);ImageIcon icon=new ImageIcon("E:\\图片册\\pu.jpg");g.drawImage(icon.getImage(), 0, 0, null);}};JPanel p1 = new EmployeeManagerView();JPanel p2 = new Medicine();JPanel p3 = new MarketView();JPanel p4 = new MarketMessage();JPanel p5 = new JPanel(){public void paintComponent(Graphics g) {super.paintComponent(g);ImageIcon icon=new ImageIcon("E:\\图片册\\pu.jpg");g.drawImage(icon.getImage(), 0, 0, null);}};p5.add(new JButton("药品信息百科"));textfield=new JTextField(10);p5.add(textfield);select=new JButton("浏览");p5.add(select);select.addActionListener(this);p5.add(btnOk=new JButton("确定"));btnOk.addActionListener(this);tab.add(p1,"        用户管理         ");tab.add(p2,"       药品库存管理    ");tab.add(p3,"        进销管理         ");tab.add(p4,"       营销信息         ");
//  tab.add(p5,"       问答园地         ");tab.setBackground(Color.green);tab.setFont(new Font("Dialog",1,17));JLabel JL = new JLabel("药品管理系统");combop.add(JL);JL.setFont(new Font("Dialog",1,23));JL.setBackground(Color.green);container.setLayout(new BorderLayout());container.setBackground(Color.cyan);container.add(combop,BorderLayout.NORTH);container.add(tab,BorderLayout.CENTER);}public void actionPerformed(ActionEvent e){if (e.getSource()==select){int intRetVal=fc.showOpenDialog(this);if(intRetVal==JFileChooser.APPROVE_OPTION){file=fc.getSelectedFile();	textfield.setText(file.getPath());}}if(e.getSource()==btnOk){JFrame f=new JFrame();f.setSize(500, 370);f.setLocationRelativeTo(null);f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);f.setVisible(true);area=new JTextPane();jsp=new JScrollPane(area);jsp.getViewport().setBackground(Color.green);area.setBackground(Color.cyan);area.setOpaque(false);//area.setLineWrap(true);//area.setWrapStyleWord(true);f.add(jsp);try{readFile(area);}catch(Exception ex){}}
}
private void readFile(JTextPane area)throws Exception{if(file !=null){FileReader fr=new FileReader(file);BufferedReader br=new BufferedReader(new InputStreamReader(new FileInputStream(file),"GBK"));try{while (br.ready()){area.setText(area.getText()+br.readLine()+"\r\n");}}finally{br.close();fr.close();}}
}
}

源码获取：博客首页 "资源" 里下载！