countersaleframe.java~343~

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

    //设置窗口类的字体和为按钮加入动作接收器
    setupFontAndListener();
    //检查按钮状态
    this.checkBtn(false);
    this.checkSubBtn(false);
  }
  //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 = contentPane.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);
      }
    }
  }
  //退出方法
  public void exit(){
    //隐藏窗口
    this.setVisible(false);
    //清空数组的内容
    saleLedgers = new String[0][11];
    saleSubLedgers = new String[0][5];
    saleSubLedgerObjects = new Object[0][8];
    //清空列表框的内容
    listData1.clear();
    //清空文本框的内容
    jTextArea1.setText("");
    //清空表格的内容
    this.showTableData(saleSubLedgerObjects);
    //取得面板上的所有控件
    Component[] components = contentPane.getComponents();
    //创建临时编辑框控件
    JTextField tmpTextField = new JTextField();
    for(int i = 0; i < components.length; i++){
      if(components[i].getClass().getName().equals("javax.swing.JTextField")){
        tmpTextField = (JTextField)components[i];
        //清空编辑框的内容
        tmpTextField.setText("");
      }
    }
    //退出系统前完成用户的销售单
    if(warehouse.length() != 0){
     int result = stockManagementData.counterUserSignSaleLedgerAndSub(ledgerDate,
          user.getUserName(), "", warehouse);
      if(result == 0){
        JOptionPane.showMessageDialog(null, user.getUserName() + "，您所创建的销售单已经全部完成.");
      }else{
        JOptionPane.showMessageDialog(null, "系统已经完成您新创建的销售单.");
      }
    }
  }
  //设置用户的方法
  public void setUser(User user) {
    this.user = user;
  }
  //设置账套的方法
  public void setLedgerDate(String ledgerDate) {
    this.ledgerDate = ledgerDate;
  }
  //设置仓库的方法
  public void setWarehouse(String warehouse) {
    this.warehouse = warehouse;
    //设置柜台
    jTextField8.setText(warehouse);
  }
  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      exit();
    }
  }
  //显示查询销售单的方法
  public void showSearchSaleLedger(){
    listData1.clear();
    //为销售单列表框加入销售单数据
    for(int i = 0; i < saleLedgers.length; i++){
      listData1.addElement(saleLedgers[i][0]);
    }
  }
  //显示单个销售单的方法
  public void showSaleLedger(){
    //取得当前选择项的位置
    int selectedIndex = jList1.getSelectedIndex();
    //当列表框不处于选择状态，不显示商品数据
    if(selectedIndex == -1){
       return;
    }
    //显示销售单的数据
    jTextField4.setText(saleLedgers[selectedIndex][0]);    //单据编号
    jTextField5.setText(saleLedgers[selectedIndex][2]);    //客户
    jTextField6.setText(saleLedgers[selectedIndex][6]);    //送货地址
    jTextField7.setText(saleLedgers[selectedIndex][3]);    //柜台销售员
    jTextField9.setText(saleLedgers[selectedIndex][7]);    //填写日期
    jTextField10.setText(onProcesses[Integer.parseInt(saleLedgers[selectedIndex][9])]);
    jTextArea1.setText(saleLedgers[selectedIndex][10]);
    //显示销售单明细数据
    this.showSaleSubLedger();
  }
  //显示销售单明细数据的方法
  public void showSaleSubLedger(){
    //取得当前选择项的位置
    int selectedIndex = jList1.getSelectedIndex();
    String saleId = saleLedgers[selectedIndex][0];
    saleSubLedgers = stockManagementData.getSaleSubLedgerBySaleId(ledgerDate, saleId);
    //将数组数据转换为表格数据
    saleSubLedgerObjects = new Object[saleSubLedgers.length][8];
    double total = 0;
    for(int i = 0; i < saleSubLedgers.length; i++){
      saleSubLedgerObjects[i][0] = new Integer(saleSubLedgers[i][0]);
      saleSubLedgerObjects[i][1] = saleSubLedgers[i][1];
      saleSubLedgerObjects[i][2] = saleSubLedgers[i][2];    //商品条形码
      double actualSalePrice = dataMethod.round(Double.parseDouble(saleSubLedgers[i][3]));
      int quantity = Integer.parseInt(saleSubLedgers[i][4]);
      saleSubLedgerObjects[i][3] = new Double(0);
      saleSubLedgerObjects[i][4] = new Double(0);
      double amount = dataMethod.round(actualSalePrice * quantity);
      saleSubLedgerObjects[i][5] = new Double(actualSalePrice); //实际售价
      saleSubLedgerObjects[i][6] = new Integer(quantity);       //数量
      saleSubLedgerObjects[i][7] = new Double(amount);          //金额
      total += amount;
    }
    //显示总价
    jTextField11.setText(String.valueOf(dataMethod.round(total)));
    //显示表格的内容
    this.showTableData(saleSubLedgerObjects);
  }
  //转换表格数据的方法
  public void transferTableData(){
    saleSubLedgers = new String[saleSubLedgerObjects.length][5];
    for(int i = 0; i < saleSubLedgerObjects.length; i++){
      saleSubLedgers[i][0] = ((Integer)saleSubLedgerObjects[i][0]).toString();
      saleSubLedgers[i][1] = (String)saleSubLedgerObjects[i][1];
      saleSubLedgers[i][2] = (String)saleSubLedgerObjects[i][2];
      saleSubLedgers[i][3] = ((Double)saleSubLedgerObjects[i][5]).toString(); //实际售价
      saleSubLedgers[i][4] = ((Integer)saleSubLedgerObjects[i][6]).toString();//数量
    }
  }
  //显示表格内容的方法
  public void showTableData(Object[][] detail){
    //设置表格的标题
    sslTableModel.setColumnNames(colNames);
    //设置表格的数据
    sslTableModel.setData(detail);
    jTable1 = new JTable(sslTableModel);
    //设置表格的字体
    jTable1.setFont(dialog13);
    //将数据表格加入数据滚动框
    jScrollPane3.getViewport().add(jTable1, null);
    //设置列的宽度
    jTable1.getColumnModel().getColumn(0).setPreferredWidth(20);
    jTable1.getColumnModel().getColumn(1).setPreferredWidth(50);
    jTable1.getColumnModel().getColumn(2).setPreferredWidth(50);
    jTable1.getColumnModel().getColumn(3).setPreferredWidth(10);
    jTable1.getColumnModel().getColumn(4).setPreferredWidth(10);
    jTable1.getColumnModel().getColumn(5).setPreferredWidth(10);
    jTable1.getColumnModel().getColumn(6).setPreferredWidth(10);
    jTable1.getColumnModel().getColumn(7).setPreferredWidth(10);
    //为表格加入内容接收器
    sslTableModel.addTableModelListener(new TableModelListener(){
      public void tableChanged(TableModelEvent e) {
        jTable1_valueChanged(e);
      }
    });
  }
  //重新计算货物金额
  public void recountGoodsAmount(){
    double actualSalePrice = 0;
    int quantity = 0;
    double amount = 0;
    double total = 0;
    for(int i = 0; i < saleSubLedgerObjects.length; i++){
      actualSalePrice = dataMethod.round(((Double)saleSubLedgerObjects[i][5]).doubleValue());
      quantity = ((Integer)saleSubLedgerObjects[i][6]).intValue();
      amount = dataMethod.round(actualSalePrice * quantity);
      saleSubLedgerObjects[i][7] = new Double(amount);
      total += amount;
    }
    jTextField11.setText(String.valueOf(dataMethod.round(total)));
  }
  //检查明细账的商品条形码方法
  public int checkSaleSubLedgerGoodsBarCode(){
    int result = 0;
    for(int i = 0; i < saleSubLedgerObjects.length; i++){
      result = stockManagementData.checkGoodsBarCode((String)saleSubLedgerObjects[i][2]);
      if(result == 0){
        JOptionPane.showMessageDialog(null, "第" + (i + 1) + "行的商品条形码在商品数据库中"
                                      + "不存在，请打开商品数据管理窗口添加.");
        return 0;
      }
    }
    return 1;
  }
  //检查明细账的数量是否大于库存数
  public int checkStockQuantity(){
    int result = 0;
    for(int i = 0; i < saleSubLedgerObjects.length; i++){
      result = stockManagementData.checkGoodsSaleQuantity(ledgerDate,
          (String) saleSubLedgerObjects[i][2],
          ((Integer)saleSubLedgerObjects[i][6]).intValue(), warehouse);
      if (result == 0) {
        JOptionPane.showMessageDialog(null, "第" + (i + 1) + "行的商品的卖出数量大于库存数.");
        return 0;
      }
    }
    return 1;
  }
  //根据商品条形码取得销售价和折扣
  public void showGoodsPriceAndDiscount(){
    for(int i = 0; i < saleSubLedgerObjects.length; i++){
      String goodsBarcode = (String)saleSubLedgerObjects[i][2];
      double[] data = stockManagementData.getGoodsPriceAndDiscount(goodsBarcode);
      saleSubLedgerObjects[i][3] = new Double(data[0]);            //销售价
      saleSubLedgerObjects[i][4] = new Double(data[1]);            //折扣
      saleSubLedgerObjects[i][5] = new Double(data[0] * data[1]);  //实际售价
    }
  }
  //清空单个销售单显示的方法
  public void clearSaleLedger(){
    jTextField4.setText("");
    jTextField5.setText("");
    jTextField6.setText("");
    jTextField7.setText("");
    jTextField9.setText("");
    jTextField10.setText("");
    jTextField11.setText("");
    jTextArea1.setText("");
    saleSubLedgers = new String[0][5];
    saleSubLedgerObjects = new Object[0][8];
    this.showTableData(saleSubLedgerObjects);
  }
  //检查按钮的状态
  public void checkBtn(boolean isManipulated){
    if(isManipulated){
      jButton2.setEnabled(false);
      jButton3.setEnabled(false);
      jButton4.setEnabled(false);
      jButton5.setEnabled(false);
      jButton6.setEnabled(true);
      jButton7.setEnabled(true);
    }else{
      jButton2.setEnabled(true);
      jButton3.setEnabled(true);
      jButton4.setEnabled(true);
      jButton5.setEnabled(true);
      jButton6.setEnabled(false);
      jButton7.setEnabled(false);
    }
  }
  //检查明细账按钮的状态
  public void checkSubBtn(boolean isCreated){
    if(isCreated){
      jButton10.setEnabled(true);
      jButton11.setEnabled(true);
    }else{
      jButton10.setEnabled(false);
      jButton11.setEnabled(false);
    }
  }
  //列表1的选择事件
  void jList1_valueChanged(ListSelectionEvent e) {
    if(listData1.size() > 0){
      this.showSaleLedger();
    }else{
      this.clearSaleLedger();
    }
  }
  //表格内容改变事件
  public void jTable1_valueChanged(TableModelEvent e) {
    //重新计算金额
    this.recountGoodsAmount();
    //根据商品条形码取得销售价和折扣
    this.showGoodsPriceAndDiscount();
  }
  //查询方法
  public void search(){
    //取得查询选项
    int selectedIndex = jComboBox1.getSelectedIndex();