基于Java技术的英汉互译词典

import java.awt.*; import java.awt.event.*; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import javax.swing.*; public class mainfram extends JFrame {//继承JFrame public mainfram() { initComponents(); } private void button1ActionPePerformed(ActionEvent e){//butteon1的监听事件 dispose();//释放图形界面资源 new addword().setVisible(true); } private void button4ActionPerformed(ActionEvent e) {//注册button4监听事件 String word=textField1.getText().toString(); test test = new test(); String[][] strings = test.selectBydanci(textField1.getText()); if(strings==null){ JOptionPane.showMessageDialog(null, "该单词不存在！", "提示", JOptionPane.WARNING_MESSAGE); }else { new chaxun(textField1.getText()).setVisible(true); } } private void button5ActionPerformed(ActionEvent e) {//注册button5监听事件 new all().setVisible(true); } private void button6ActionPerformed(ActionEvent e) {//注册button5监听事件 new dim().setVisible(true); } private void button8ActionPerformed(ActionEvent e) {//注册button8监听事件 dispose();//释放图形界面资源 } private void initComponents() {//在使用GUI工具设计GUI界面时系统自动生成的方法。 其功能是在界面添加各个组件，并为它们注册监听器 String[] clos = new String[]{"单词ID","英文","中文"}; button1 = new JButton(); button2 = new JButton(); button3 = new JButton(); button4 = new JButton(); button5 = new JButton(); button6 = new JButton(); textField1 = new JTextField(); label1 = new JLabel(); JScrollPane jScrollPane = new JScrollPane(); test test = new test(); String[][] userList = test.test(); //创建表格 JTable table = new JTable(userList,clos); table.setRowSelectionAllowed(true); jScrollPane.setViewportView(table); button8 = new JButton(); // this setFont(new Font("楷体", Font.BOLD, 16)); Container contentPane = getContentPane(); contentPane.setLayout(null); //添加按钮 button1.setText("添加单词");//按钮名字 button1.setForeground(Color.red);//按钮颜色 button1.setFont(new Font("楷体", Font.BOLD, 14));//字体 button1.addActionListener(e -> button1ActionPePerformed(e));//按钮点击事件 contentPane.add(button1);//将按钮添加到面板 button1.setBounds(0, 35, 125, button1.getPreferredSize().height);//按钮位置 //修改按钮 button2.setText("修改单词"); button2.setForeground(Color.red); button2.setFont(new Font("楷体", Font.BOLD, 14)); button2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) {//接口ActionEvent里面定义一个方法，所有用到的类 都要重写这个方法 int i = table.getSelectedRow()+1; if(i>0){ String valueAt = (String)table.getValueAt(i-1, 0);//先将Object类型转换为String类型 System.out.println(valueAt); dispose(); //再通过Integer.parseInt(valueAt)将String类型的valueAt转换为int类型传给修改方法 new xiugai(Integer.parseInt(valueAt)).setVisible(true); }else { JOptionPane.showMessageDialog(null, "请选择一行！", "提示", JOptionPane.WARNING_MESSAGE); } } }); contentPane.add(button2); button2.setBounds(0, 80, 125, button2.getPreferredSize().height); //删除按钮 button3.setText("删除单词"); button3.setForeground(Color.red); button3.setFont(new Font("楷体", Font.BOLD, 14)); button3.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) {//接口ActionEvent里面定义一个方法，所有用到的类 都要重写这个方法 int i = table.getSelectedRow()+1; if(i>0){ try{ myconnection m=new myconnection(); Connection con=m.connection(); String sql1="delete from wor where id='"+i+"'"; PreparedStatement ps=con.prepareStatement(sql1); int rs=ps.executeUpdate(sql1); if(rs==0){ JOptionPane.showMessageDialog(null, "删除失败！", "提示", JOptionPane.WARNING_MESSAGE); }else{ dispose(); JOptionPane.showMessageDialog((Component) null, "删除成功！", "提示", -1); new mainfram().setVisible(true); } }catch(Exception w){ w.printStackTrace(); } }else { JOptionPane.showMessageDialog(null, "请选择一行！", "提示", JOptionPane.WARNING_MESSAGE); } } }); contentPane.add(button3); button3.setBounds(0, 125, 125, button3.getPreferredSize().height); //查询单词 标签 button4.setText("查询单词"); button4.setForeground(Color.red); button4.setFont(new Font("楷体", Font.BOLD, 14)); button4.addActionListener(e -> button4ActionPerformed(e));//查询单词的点击事件 contentPane.add(button4); button4.setBounds(430, 35, 125, button4.getPreferredSize().height); contentPane.add(textField1); textField1.setBounds(180, 35, 250, 28); //查看全部 按钮 button5.setText("查看全部"); button5.setFont(new Font("楷体", Font.BOLD, 14)); button5.setForeground(Color.red); button5.addActionListener(e -> button5ActionPerformed(e)); contentPane.add(button5); button5.setBounds(0, 165, 125, button5.getPreferredSize().height); //查看全部 按钮 button6.setText("索引"); button6.setFont(new Font("楷体", Font.BOLD, 14)); button6.setForeground(Color.red); button6.addActionListener(e -> button6ActionPerformed(e)); contentPane.add(button6); button6.setBounds(0, 205, 125, button6.getPreferredSize().height); //退出系统 按钮 button8.setText("退出系统"); button8.setFont(new Font("楷体", Font.BOLD, 14)); button8.setForeground(Color.red); button8.addActionListener(e -> button8ActionPerformed(e));//按钮的点击事件 contentPane.add(button8); button8.setBounds(0, 245, 125, button8.getPreferredSize().height); //简易单词薄系统 标签 label1.setText("简易单词薄系统"); label1.setForeground(Color.red); label1.setFont(new Font("楷体", Font.BOLD, 22)); contentPane.add(label1); label1.setBounds(250, 5, 210, label1.getPreferredSize().height); contentPane.add(jScrollPane); jScrollPane.setBounds(130, 65, 500, 350); { Dimension preferredSize = new Dimension();//设置容器大小 for(int i = 0; i < contentPane.getComponentCount(); i++) { Rectangle bounds = contentPane.getComponent(i).getBounds(); preferredSize.width = Math.max(bounds.x + bounds.width, preferredSize.width); preferredSize.he