java课程设计代码

《程序设计》Java课程设计

第一组

附 录

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目 录

About.java .................................................................. 2 ChaXun.java ................................................................. 2 DengLu.java ................................................................. 5 DianFeiSystem.java........................................................... 9 FenXi1.java ................................................................. 9 FenXi2.java ................................................................ 13 FenXi3.java ................................................................ 17 FenXi4.java ................................................................ 21 FenXi5.java ................................................................ 25 FenXi6.java ................................................................ 30 MainWindoe.java............................................................. 34 MainWindow2.java............................................................ 37 MimaXiugai.java............................................................. 40 MimaXiugai2.java............................................................ 43 NewList.java ............................................................... 46 NewUser.java ............................................................... 49 Register.java .............................................................. 54 Welcome.java ............................................................... 59 YongdianDangci.java ......................................................... 60 YongdianDangci2.java ........................................................ 64 YongdianQingkuang.java ...................................................... 68 YongdianQingkuang2.java ..................................................... 71 ZhanghuXiugai.java.......................................................... 75

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About.java

//关于本系统

package system;

import java.awt.*; import javax.swing.*; import java.awt.event.*; import javax.swing.*;

public class About implements ActionListener {

static ImageIcon myimage=new ImageIcon(\); JFrame jf=new JFrame(\阶梯电价查询系统1.0\); JPanel jp=new JPanel();

JLabel lb1=new JLabel(new ImageIcon(\)); JLabel lab1 = new JLabel(\);

Button bt=new Button(\关闭\); public void creat() {

jp.setVisible(true);

jf.setLayout(new BorderLayout()); jf.setBounds(300, 100, 340, 360); jf.setResizable(false); bt.addActionListener(this); jp.add(bt);

jf.add(jp,new BorderLayout().SOUTH); jf.add(lb1,new BorderLayout().WEST); jf.add(lab1,new BorderLayout().EAST); jf.setVisible(true);

bt.addMouseListener((MouseListener) this); }

public final void actionPerformed(ActionEvent e) {

if(e.getSource() == bt) { } } }

jf.setVisible(false);

ChaXun.java

2

//找回密码

package system;

import javax.swing.*; import java.awt.*; import java.sql.*; import java.awt.event.*;

import javax.swing.JOptionPane;

class ChaXun extends JFrame implements ActionListener {

private JPanel ChaXun;

private JLabel lab1,lab2,lab3,lab4;

private TextField text1,text2,text3,text4; private Button button1,button2;

ChaXun() {

this.setBounds(300, 100, 340, 360); this.setTitle(\密码查询系统\); ChaXun = new JPanel();

lab1 = new JLabel(\用户名 \); lab2 = new JLabel(\住户人数 \); lab3 = new JLabel(\家庭住址 \); lab4 = new JLabel(\身份证号码\); text1 = new TextField(30); text2 = new TextField(30); text3 = new TextField(30); text4 = new TextField(30); button1 = new Button(\确认\); button2 = new Button(\返回\); ChaXun.add(lab1); ChaXun.add(text1); ChaXun.add(lab2); ChaXun.add(text2); ChaXun.add(lab3); ChaXun.add(text3); ChaXun.add(lab4); ChaXun.add(text4); ChaXun.add(button1); ChaXun.add(button2);

button1.addActionListener(this); button2.addActionListener(this);

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}

this.getLayeredPane().setLayout(null); this.setContentPane(ChaXun); ChaXun.setOpaque(false); this.setVisible(true);

public void actionPerformed(ActionEvent e) {

if(e.getSource() == button1) {

String username = text1.getText(); String familynumber = text2.getText(); String adress = text3.getText(); String ID = text4.getText(); int n1 = username.length(); int n2 = familynumber.length(); int n3 = adress.length(); int n4 = ID.length(); Connection con; Statement sql; ResultSet rs; int fn,id;

if(n1!=0 && n2!=0 && n3!=0 && n4!=0) {

try { }

catch(ClassNotFoundException e1) {

System.out.println(\没有驱动!\); } try {

boolean flag = true;

con = DriverManager.getConnection(\); sql = con.createStatement();

rs = sql.executeQuery(\); while(rs.next()) {

String a = rs.getString(1); String b = rs.getString(3); String c = rs.getString(4); String d = rs.getString(5);

Class.forName(\);

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