orderprintframe.java

一个使用java 写的进销存代码 使用了ejb 等技术 是学习j2ee的好

package stockinterface;

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

public class OrderPrintFrame extends JFrame implements ActionListener {
  JPanel contentPane;
  //创建布局类
  BorderLayout borderLayout1 = new BorderLayout();
  FlowLayout flowLayout1 = new FlowLayout();
  //创建滚动框控件
  JScrollPane jScrollPane1 = new JScrollPane();
  //创建编辑框控件
  JTextField pageInfoTextField = new JTextField();
  JTextField pageTextField = new JTextField();
  //创建按钮面板
  JPanel btnPanel = new JPanel();
  //创建按钮
  JButton goBtn = new JButton();
  JButton priorBtn = new JButton();
  JButton nextBtn = new JButton();
  JButton printOnePageBtn = new JButton();
  JButton printPagesBtn = new JButton();
  JButton exitBtn = new JButton();
  //创建字体类
  Font dialog13 = new java.awt.Font("Dialog", 0, 13);
  //创建打印平面
  StockOrderPrintPane stockOrderPrintPane = new StockOrderPrintPane();
  //创建打印类
  PrinterJob job = PrinterJob.getPrinterJob();
  //创建页面格式类
  PageFormat pageFormat = new PageFormat();
  //创建页面类
  Paper paper = new Paper();
  //创建进货单数组
  String[] stockLedger = new String[13];
  //创建进货单明细账数组
  String[][] stockSubLedger = new String[0][5];
  //创建总页面变量
  int totalPage = 0;
  //创建方法类
  DataMethod dataMethod = new DataMethod();

  public OrderPrintFrame() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(630, 700));
    this.setTitle("进货单打印窗口");
    //设置打印页面的的尺寸
    paper.setSize(600, 850);
    //设置打印范围
    paper.setImageableArea(0, 0, 600, 850);
    //加入pageFormat类中
    pageFormat.setPaper(paper);
    //设置打印面板的大小
    stockOrderPrintPane.setPreferredSize(new Dimension(600, 850));
    //设置编辑框控件的属性
    pageInfoTextField.setEditable(false);
    pageInfoTextField.setText("共0页");
    pageInfoTextField.setPreferredSize(new Dimension(50, 22));
    pageTextField.setPreferredSize(new Dimension(30, 22));
    //设置按钮面板的布局
    btnPanel.setLayout(flowLayout1);
    //设置按钮的属性
    priorBtn.setText("上一页");
    priorBtn.setActionCommand("prior");
    nextBtn.setText("下一页");
    nextBtn.setActionCommand("next");
    goBtn.setText("显示页面");
    goBtn.setActionCommand("show");
    printOnePageBtn.setText("打印当前页");
    printOnePageBtn.setActionCommand("printOnePage");
    printPagesBtn.setText("打印全部");
    printPagesBtn.setActionCommand("printPages");
    exitBtn.setText("退出");
    exitBtn.setActionCommand("exit");
    //设置滚动框的属性
    jScrollPane1.getViewport().add(stockOrderPrintPane);
    //为按钮面板加入控件
    btnPanel.add(pageInfoTextField, null);
    btnPanel.add(priorBtn, null);
    btnPanel.add(nextBtn, null);
    btnPanel.add(pageTextField, null);
    btnPanel.add(goBtn, null);
    btnPanel.add(printOnePageBtn, null);
    btnPanel.add(printPagesBtn, null);
    btnPanel.add(exitBtn, null);
    //为窗口面板加入控件
    contentPane.add(btnPanel, BorderLayout.NORTH);
    contentPane.add(jScrollPane1, BorderLayout.CENTER);
    //设置窗口类的字体和为按钮加入动作接收器
    setupFontAndListener();
  }
  //设置窗口类的字体和为按钮加入动作接收器的方法
  public void setupFontAndListener(){
    Component[] components = btnPanel.getComponents();
    //创建临时按钮控件
    JButton tmpBtn = new JButton();
    for(int i = 0; i < components.length; i++){
      components[i].setFont(dialog13);
      if(components[i].getClass().getName().equals("javax.swing.JButton")){
        tmpBtn = (JButton)components[i];
        tmpBtn.addActionListener(this);
      }
    }
  }
  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      exit();
    }
  }
  //退出方法
  public void exit(){
    //隐藏窗口
    this.setVisible(false);
    //清空编辑框的内容
    pageInfoTextField.setText("共0页");
    pageTextField.setText("");
  }
  //分拆页面的方法
  public void splitPage(){
    int length = stockSubLedger.length;
    totalPage = 1;
    //第一页最多只显示22条明细账记录
    length -= 22;
    //其它页最多显示38条明细账记录
    int otherPages = (int)length/38;
    totalPage += otherPages;
    if((length % 38) > 0){
      totalPage += 1;
    }
    pageInfoTextField.setText("共" + totalPage + "页");
    //显示第1页的数据
    if(totalPage > 0){
      pageTextField.setText("1");
      this.showOnePage();
    }
  }
  //单击事件
  public void actionPerformed(ActionEvent e) {
    //取得按钮的动作字符串
    String actionCommand = e.getActionCommand().trim();
    //单击按钮的处理代码
    if (actionCommand.equals("prior")) {
      //显示上一页的方法
      String inputPage = pageTextField.getText();
      //检查是否整数
      if(dataMethod.checkInt(inputPage) == 0){
        JOptionPane.showMessageDialog(null,"页码必须是整数，请重新输入.");
        return;
      }
      int page = Integer.parseInt(inputPage) ;
      page--;
      if(page == 0 ){
        page = 1;
      }
      pageTextField.setText(String.valueOf(page));
      this.showOnePage();
    }else if(actionCommand.equals("next")){
      //显示下一页的方法
      String inputPage = pageTextField.getText();
      //检查是否整数
      if(dataMethod.checkInt(inputPage) == 0){
        JOptionPane.showMessageDialog(null,"页码必须是整数，请重新输入.");
        return;
      }
      int page = Integer.parseInt(inputPage) ;
      page++;
      if(page > totalPage ){
        page = totalPage;
      }
      pageTextField.setText(String.valueOf(page));
      this.showOnePage();
    }else if(actionCommand.equals("show")){
      //显示选择页面的方法
      this.showOnePage();
    }else if(actionCommand.equals("printOnePage")){
      //打印选择页面的方法
      this.printOnePage();
    }else if(actionCommand.equals("printPages")){
      //打印全部页面的方法
      for (int iPage = 1; iPage <= totalPage; iPage++){
        pageTextField.setText(String.valueOf(iPage));
        this.printOnePage();
      }
    }else if(actionCommand.equals("exit")){
      exit();
    }
  }
  //显示当前页的方法
  public void showOnePage() {
    String inputPage = pageTextField.getText();
    //检查是否整数
    if(dataMethod.checkInt(inputPage) == 0){
      JOptionPane.showMessageDialog(null,"页码必须是整数，请重新输入.");
      return;
    }
    int page = Integer.parseInt(inputPage) ;
    if((page > totalPage) || (page <= 0)){
      JOptionPane.showMessageDialog(null,"页码输入有误，请重新输入.");
      return;
    }
    //显示第一页的方法
    if(page == 1){
      stockOrderPrintPane.setIsFirstPage(true);
      stockOrderPrintPane.setStockLedger(stockLedger);
      if(totalPage == 1){
        stockOrderPrintPane.setStockSubLedger(stockSubLedger);
      }else{
        String[][] tempStockSubLedger = new String[22][5];
        System.arraycopy(stockSubLedger, 0, tempStockSubLedger, 0, 22);
        stockOrderPrintPane.setStockSubLedger(tempStockSubLedger);
      }
    //显示其它页的方法
    }else{
      stockOrderPrintPane.setIsFirstPage(false);
      String[][] tempStockSubLedger = null;
      if(page == totalPage){
        //取得最后一页剩余的记录数
        int records = (stockSubLedger.length - 22) % 38;
        tempStockSubLedger = new String[records][5];
        //复制数组
        System.arraycopy(stockSubLedger, 22 + (page - 2) * 38, tempStockSubLedger, 0, records);
        stockOrderPrintPane.setStockSubLedger(tempStockSubLedger);
      }else{
        tempStockSubLedger = new String[38][5];
        System.arraycopy(stockSubLedger, 22 + (page - 2) * 38, tempStockSubLedger, 0, 38);
        stockOrderPrintPane.setStockSubLedger(tempStockSubLedger);
      }
    }
    //设置页码
    stockOrderPrintPane.setPrintPage(page);
    //重新显示面板内容
    stockOrderPrintPane.repaint();
  }
  //打印当前页的方法
  public void printOnePage() {
    //创建打印接口
    StockOrderPrintable stockOrderPrintable = new StockOrderPrintable();
    //显示当前页的内容
    this.showOnePage();
    //创建打印任务
    Book book = new Book();
    book.append(stockOrderPrintable, pageFormat);
    // 设置打印机的Book
    job.setPageable(book);
    //打开打印窗口，询问是否进行打印
    boolean doPrint = job.printDialog();
    if (doPrint) {
      try {
        //执行打印命令
        job.print();
      }
      catch (PrinterException ex) {
        ex.printStackTrace();
      }
    }
  }
  //设置进货单数组的方法
  public void setStockLedger(String[] stockLedger) {
    this.stockLedger = stockLedger;
  }
  //设置进货单明细账的方法
  public void setStockSubLedger(String[][] stockSubLedger) {
    this.stockSubLedger = stockSubLedger;
  }
}