实验四 图书借阅管理系统功能设计与实现
package com.bbm.view;import javax.swing.*;import com.bbm.db.BookDao;import java.awt.event.*;import java.awt.*;@SuppressWarnings("serial")public class BookAdd extends JFrame {private JLabel isbnJL,typeJL,booknameJL,autherJL,productJL,dateJL,idJL,priceJL;privateJPanel northJP,southJP;private JTextField isbnJTF,booknameJTF,autherJTF,productJTF,dateJTF,idJTF,priceJTF;private JComboBox jcb;private JButton addJB,resiteJB,closeJB;BookAdd(){northJP=new JPanel();southJP=new JPanel();northJP.setLayout(new GridLayout(4,4));isbnJL=new JLabel("ISBN");isbnJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(isbnJL);isbnJTF=new JTextField();isbnJTF.setColumns(15);northJP.add(isbnJTF);typeJL=new JLabel("类别");typeJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(typeJL);jcb=new JComboBox();jcb.addItem("计算机");jcb.addItem("java");jcb.addItem("数据结构");northJP.add(jcb);booknameJL=new JLabel("书名");booknameJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(booknameJL);booknameJTF=new JTextField();booknameJTF.setColumns(15);northJP.add(booknameJTF);autherJL=new JLabel("作者");autherJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(autherJL);autherJTF=new JTextField();autherJTF.setColumns(15);northJP.add(autherJTF);productJL=new JLabel("出版社");productJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(productJL);productJTF=new JTextField();productJTF.setColumns(15);northJP.add(productJTF);dateJL=new JLabel("出版日期");dateJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(dateJL);dateJTF=new JTextField();northJP.add(dateJTF);idJL=new JLabel("版次");idJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(idJL);idJTF=new JTextField(); idJTF.setColumns(15);northJP.add(idJTF);priceJL=new JLabel("定价");priceJL.setHorizontalAlignment(SwingConstants.CENTER);northJP.add(priceJL);priceJTF=new JTextField();priceJTF.setColumns(15);northJP.add(priceJTF);addJB=new JButton();addJB.setText("添加");addJB.addActionListener(new addAction());southJP.add(addJB);resiteJB=new JButton();resiteJB.setText("重置");resiteJB.addMouseListener(new resiteAction());southJP.add(resiteJB);closeJB=new JButton();closeJB.setText("关闭");closeJB.addMouseListener(new closeAction());southJP.add(closeJB);this.add(northJP,BorderLayout.CENTER);this.add(southJP,BorderLayout.SOUTH);this.setVisible(true);setTitle("图书信息添加");setResizable(false);this.setBounds(15, 15,600, 200);}class addAction implements ActionListener{public void actionPerformed(ActionEvent e) {String i=isbnJL.getText().trim();String name=booknameJTF.getText().trim();String a=autherJTF.getText().trim();String m=idJTF.getText().trim();String p=priceJTF.getText().trim();if (name.length()==0){JOptionPane.showMessageDialog(null,"书名不能为空");BookAdd.this.setVisible(false);}if (a.length()==0){JOptionPane.showMessageDialog(null,"作者不能为空");BookAdd.this.setVisible(false);}if (m.length()==0){JOptionPane.showMessageDialog(null,"出版社不能为空");BookAdd.this.setVisible(false);}if (p.length()==0){JOptionPane.showMessageDialog(null,"定价不能为空");BookAdd.this.setVisible(false);}if (i.length()<=13){JOptionPane.showMessageDialog(null,"请输入13位ISBN码");BookAdd.this.setVisible(false);}else if(i.length()==13){String isbn=isbnJTF.getText().trim();String typename=(String) jcb.getSelectedItem();String bookname=booknameJTF.getText().trim();String author=autherJTF.getText().trim();String press=productJTF.getText().trim();String date=dateJTF.getText().trim();String edition=idJTF.getText().trim();Double price=Double.parseDouble(priceJTF.getText().trim());int j=BookDao.insertBook(isbn, typename, bookname, author, press, date, edition, price);if(j>0){JOptionPane.showMessageDialog(null,"添加成功");BookAdd.this.setVisible(false);}}}}class resiteAction extends MouseAdapter{@Overridepublic void mouseClicked(MouseEvent e) {// TODO Auto-generated method stubsuper.mouseClicked(e);if(e.getSource()==resiteJB){isbnJTF.setText("");jcb.setSelectedItem("计算机");autherJTF.setText("");productJTF.setText("");idJTF.setText("");dateJTF.setText("");priceJTF.setText("");booknameJTF.setText("");}}}class closeAction extends MouseAdapter{public void mouseClicked(MouseEvent e) {super.mouseClicked(e);BookAdd.this.setVisible(false);}}/*** @param args*/public static void main(String[] args) {// TODO Auto-generated method stubnew BookAdd();}}
package com.bbm.view;import java.awt.BorderLayout;import java.awt.Font;import java.awt.GridLayout;import java.awt.Toolkit;import javax.swing.*;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import com.bbm.model.Users;import com.bbm.db.*;/*登录窗体*/public class Login extends JFrame{private static final long serialVersionUID = 1L;private JPanel textJP,loginJP,buttonJP;private Font f1=new Font("黑体", Font.BOLD, 32);private JLabel textJL,usernameJL,passwordJL;private JTextField usernameJTF;private JPasswordField pwdJPF;private JButton confirmJB,resetJB;private static Users user;public Login(){setSize(260,180); //在整个界面的中间位置显示int width=Toolkit.getDefaultToolkit().getScreenSize().width;int height=Toolkit.getDefaultToolkit().getScreenSize().height;this.setLocation(width/2-200, height/2-150);setTitle("图书借阅系统登录界面");textJP=new JPanel();//提示信息面板loginJP=new JPanel();//登录信息面板buttonJP=new JPanel();//登录取消按钮面板//提示信息面板textJL=new JLabel();textJL.setFont(f1);textJL.setText("图书借阅系统");textJP.add(textJL);this.add(textJP,BorderLayout.NORTH);//登录信息面板设计loginJP.setLayout(new GridLayout(2,2));usernameJL=new JLabel("用户名：");usernameJL.setHorizontalAlignment(SwingConstants.CENTER);usernameJTF=new JTextField();passwordJL=new JLabel("密 码：");passwordJL.setHorizontalAlignment(SwingConstants.CENTER);pwdJPF=new JPasswordField();loginJP.add(usernameJL);loginJP.add(usernameJTF);loginJP.add(passwordJL);loginJP.add(pwdJPF);//登录取消按钮面板设计confirmJB=new JButton("登录");confirmJB.addActionListener(new LoginAction());resetJB=new JButton("重置");resetJB.addActionListener(new ResetAction());buttonJP.add(confirmJB);buttonJP.add(resetJB);this.add(loginJP,BorderLayout.CENTER);this.add(buttonJP,BorderLayout.SOUTH);setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//关闭窗口时，退出程序this.setVisible(true);//设置窗体显示，否则不显示。setResizable(false);//取消最大化}public static void setUser(Users user) {Login.user = user;}public static Users getUser() {return user;}class LoginAction implements ActionListener{public void actionPerformed(ActionEvent e){if(!"".equals(usernameJTF.getText())&&!"".equals(new String(pwdJPF.getPassword()))){user=UserDao.check(usernameJTF.getText(),new String(pwdJPF.getPassword()));if(user.getName()!=null){try {Library frame=new Library();frame.setVisible(true);Login.this.setVisible(false);} catch (Exception e1) {e1.printStackTrace();}}else{JOptionPane.showMessageDialog(null, "您输入的用户名或密码错误，不能登陆");usernameJTF.setText("");pwdJPF.setText("");}}else{JOptionPane.showMessageDialog(null, "请输入用户名和密码!");}}}class ResetAction implements ActionListener{public void actionPerformed(final ActionEvent e){usernameJTF.setText("");pwdJPF.setText("");}}public static void main(String[] args) {new Login();}}
