java电子银行系统 很好

package bank; import java.awt.Choice; import java.awt.Font; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.border.TitledBorder; import bank.dao.CheckLogin; import bank.dao.CheckTransfer; public class Transfer implements ActionListener,ItemListener,KeyListener{ /** * @param args */ public static JFrame f; JPanel p1,p2; JLabel l1,l2,l3,l4,l5; JTextField t1,t2,t4,t5; Choice t3; JButton b1,b2; String select; public Transfer() { p1 = new JPanel(); l1 = new JLabel("请输入收款人的账号",JLabel.CENTER); l1.setFont(new Font(Font.DIALOG,Font.BOLD,12)); l2 = new JLabel("请输入收款人的姓名",JLabel.CENTER); l2.setFont(new Font(Font.DIALOG,Font.BOLD,12)); t1 = new JTextField(); t2 = new JTextField(); t1.setFont(new Font(Font.DIALOG,Font.BOLD,12)); t2.setFont(new Font(Font.DIALOG,Font.BOLD,15)); p2 = new JPanel(); l3 = new JLabel("请选择币种",JLabel.CENTER); l3.setFont(new Font(Font.DIALOG,Font.BOLD,15)); l4 = new JLabel("请输入金额",JLabel.CENTER); l4.setFont(new Font(Font.DIALOG,Font.BOLD,15)); l5 = new JLabel("金额为:",JLabel.CENTER); l5.setFont(new Font(Font.DIALOG,Font.BOLD,15)); t3 = new Choice(); t3.add("人名币"); t3.add("美元"); t3.add("日元"); select = t3.getSelectedItem(); t4 = new JTextField(); t5 = new JTextField(); t4.setFont(new Font(Font.DIALOG,Font.BOLD,15)); t5.setFont(new Font(Font.DIALOG,Font.BOLD,15)); t5.setEditable(false); b1 = new JButton("提交"); b2 = new JButton("返回"); f = new JFrame(); f.setTitle("中国工商新一代网上银行"); f.setLayout(null); f.setVisible(true); f.setBounds(300, 200, 400, 400); f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); } public void setlayout(){ p1.setLayout(new GridLayout(2,2,40,10)); p1.setBorder(new TitledBorder("填写收款人信息")); p1.setBounds(40, 20, 320, 110); p1.add(l1); p1.add(t1); p1.add(l2); p1.add(t2); p2.setLayout(new GridLayout(3,2,40,10)); p2.setBorder(new TitledBorder("填写款项信息")); p2.setBounds(40, 150, 320, 160); p2.add(l3); p2.add(t3); p2.add(l4); p2.add(t4); p2.add(l5); p2.add(t5); f.add(p1); f.add(p2); b1.setBounds(80, 320, 80, 40); b2.setBounds(200, 320, 80, 40); f.add(b1); f.add(b2); t3.addItemListener(this); b1.addActionListener(this); b2.addActionListener(this); t4.addKeyListener(this); t4.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent arg0) { // TODO 自动生成方法存根 t4.setText(""); t5.setText(""); } }); } public static void main(String[] args) { // TODO 自动生成方法存根 Transfer transfer = new Transfer(); transfer.setlayout(); } public void actionPerformed(ActionEvent arg0) { // TODO 自动生成方法存根 CheckTransfer ch = new CheckTransfer(); if(b1==arg0.getSource()){ if(ch.checktf(t1.getText(),t2.getText(),t4.getText())){ ch.alterMonery(t4.getText()); System.out.println(new Double(CheckLogin.presentUser.getMonery()).toString()); JOptionPane.showConfirmDialog(Transfer.f, "转账成功", "信息提示!", JOptionPane.WARNING_MESSAGE); f.dispose(); Fuction fuction = new Fuction(); fuction.setlayout(); } } if(b2==arg0.getSource()){ f.dispose(); Fuction fuction = new Fuction(); fuction.setlayout(); } } public void itemStateChanged(ItemEvent e) { // TODO 自动生成方法存根 select = t3.getSelectedItem(); } public void keyPressed(KeyEvent arg0) { // TODO 自动生成方法存根 } public void keyReleased(KeyEvent arg0) { // TODO 自动生成方法存根 } public void keyTyped(KeyEvent arg0) { // TODO 自动生成方法存根 // String s = t5.getText(); // s += arg0.getKeyChar(); // t5.setText(fix(s)+sel(select)); t5.setText(t4.getText()+arg0.getKeyChar()+sel(select)); } public String sel(String select){ String s1 [] = {"人名币","美元","日元"}; String s2 [] = {"元","美元","日元"}; if(s1[0].equals(select)) return s2[0]; else if(s1[1].equals(select)) return s2[1]; else return s2[2]; } // public String fix(String s){ // char [] c = s.toCharArray(); // String fixs = ""; // for(int i =0;i<c.length;i++){ // if((c[i]>='0'&&c[i]<='9')||c[i]=='.') // fixs+=c[i]; // } // return fixs; // } }