jTextField5.setText(goods[selectedIndex][0]);
    //顯示商品分類標(biāo)識
    jTextField6.setText(goods[selectedIndex][1]);
    //顯示商品名稱
    jTextField7.setText(goods[selectedIndex][2]);
    //顯示商品別名
    jTextField8.setText(goods[selectedIndex][3]);
    //顯示商品助記碼
    jTextField9.setText(goods[selectedIndex][4]);
    //顯示商品拼音碼
    jTextField10.setText(goods[selectedIndex][5]);
    //顯示計量單位
    jTextField11.setText(goods[selectedIndex][6]);
    //顯示規(guī)格
    jTextField12.setText(goods[selectedIndex][7]);
    //顯示生產(chǎn)廠商
    jTextField13.setText(goods[selectedIndex][8]);
  }
  //清空單個商品顯示的方法
  public void clearGood(){
    jTextField5.setText("");
    jTextField6.setText("");
    jTextField7.setText("");
    jTextField8.setText("");
    jTextField9.setText("");
    jTextField10.setText("");
    jTextField11.setText("");
    jTextField12.setText("");
    jTextField13.setText("");
  }
  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      exit();
    }
  }
  //退出方法
  public void exit(){
    //隱藏窗口
    this.setVisible(false);
    //清空數(shù)組的內(nèi)容
    categories = new String[0][4];
    goods = new String[0][13];
    //清空列表框的內(nèi)容
    listData1.clear();
    listData2.clear();
    //清空文本框的內(nèi)容
    jTextArea1.setText("");
    //取得面板上的所有控件
    Component[] components = contentPane.getComponents();
    //創(chuàng)建臨時文本框控件
    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];
        //清空編輯框的內(nèi)容
        tmpTextField.setText("");
      }
    }
    //退出窗口程序
    //System.exit(0);
  }
  //檢查商品類別按鈕的狀態(tài)
  public void checkCategoryBtn(boolean isManipulated){
    if(isManipulated){
      jButton2.setEnabled(false);
      jButton3.setEnabled(false);
      jButton4.setEnabled(false);
      jButton5.setEnabled(true);
      jButton6.setEnabled(true);
    }else{
      jButton2.setEnabled(true);
      jButton3.setEnabled(true);
      jButton4.setEnabled(true);
      jButton5.setEnabled(false);
      jButton6.setEnabled(false);
    }
  }
  //檢查商品按鈕的狀態(tài)
  public void checkGoodBtn(boolean isManipulated){
    if(isManipulated){
      jButton8.setEnabled(false);
      jButton9.setEnabled(false);
      jButton10.setEnabled(false);
      jButton11.setEnabled(true);
      jButton12.setEnabled(true);
    }else{
      jButton8.setEnabled(true);
      jButton9.setEnabled(true);
      jButton10.setEnabled(true);
      jButton11.setEnabled(false);
      jButton12.setEnabled(false);
    }
  }
  //事件單擊方法
  public void actionPerformed(ActionEvent e) {
    //取得按鈕的動作字符串
    String actionCommand = e.getActionCommand().trim();
    //進行商品類別的修改和刪除時檢查商品類別的選擇狀態(tài)
    if(actionCommand.equals("updateCategory") | actionCommand.equals("deleteCategory")){
      if(jList1.isSelectionEmpty()){
        JOptionPane.showMessageDialog(null, "請選擇商品類別.");
        return;
      }
    }
    //進行商品的修改和刪除時檢查商品的選擇狀態(tài)
    if(actionCommand.equals("updateGoods") | actionCommand.equals("deleteGoods")){
      if(jList2.isSelectionEmpty()){
        JOptionPane.showMessageDialog(null, "請選擇商品.");
        return;
      }
    }
    //單擊按鈕的處理代碼
    if (actionCommand.equals("showCategory")) {
      this.showAllCategories();
    }else if(actionCommand.equals("createCategory")){
      this.checkCategoryBtn(true);
      this.clearCategory();
      jTextField2.setText("0");
      action = "createCategory";
    }else if(actionCommand.equals("updateCategory")){
      this.checkCategoryBtn(true);
      action = "updateCategory";
    }else if(actionCommand.equals("deleteCategory")){
      this.checkCategoryBtn(true);
      action = "deleteCategory";
    }else if(actionCommand.equals("okCategory")){
      //取得類別的值
      String categoryIdStr = jTextField1.getText();
      String parentIdStr = jTextField2.getText();
      int parentId = Integer.parseInt(parentIdStr);
      String categoryName = jTextField3.getText().trim();
      String categoryDescription = jTextArea1.getText().trim();
      if(action.equals("createCategory") || action.equals("updateCategory")){
        if(categoryName.length() == 0){
          JOptionPane.showMessageDialog(null, "商品類別名稱不能為空.");
          return;
        }
      }
      if(action.equals("createCategory")){
        int result = goodsData.createGoodsCategory(parentId,
            categoryName, categoryDescription);
        if(result == 1){
          //重新取得類別數(shù)據(jù)
          this.showAllCategories();
        }else{
          JOptionPane.showMessageDialog(null, "創(chuàng)建類別(" + categoryName + ")失敗.");
        }
      }else if(action.equals("updateCategory")){
        int categoryId = Integer.parseInt(categoryIdStr);
        int result = goodsData.updateGoodsCategory(categoryId, parentId,
            categoryName, categoryDescription);
        if(result == 1){
          //取得當(dāng)前選擇項的位置
          int selectedIndex = jList1.getSelectedIndex();
          //重新取得類別數(shù)據(jù)
          this.showAllCategories();
          jList1.setSelectedIndex(selectedIndex);
        }else{
          JOptionPane.showMessageDialog(null, "創(chuàng)建類別(" + categoryName + ")失敗.");
        }
      }else if(action.equals("deleteCategory")){
        int categoryId = Integer.parseInt(categoryIdStr);
        int result = goodsData.deleteGoodsCategory(categoryId);
        if(result == 1){
          //重新取得類別數(shù)據(jù)
          this.showAllCategories();
        }else{
          JOptionPane.showMessageDialog(null, "刪除類別(" + categoryName + ")失敗，"
                                        + "請檢查該類別是否有商品數(shù)據(jù).");
        }
      }
      this.checkCategoryBtn(false);
    }else if(actionCommand.equals("cancelCategory")){
      this.jList1_valueChanged(null);
      this.checkCategoryBtn(false);
    }else if(actionCommand.equals("createGoods")){
      this.checkGoodBtn(true);
      this.clearGood();
      action = "createGoods";
      //為新添加商品加入商品類型數(shù)據(jù)
      jTextField6.setText(categories[jList1.getSelectedIndex()][0]);
    }else if(actionCommand.equals("updateGoods")){
      this.checkGoodBtn(true);
      action = "updateGoods";
    }else if(actionCommand.equals("deleteGoods")){
      this.checkGoodBtn(true);
      action = "deleteGoods";
    }else if(actionCommand.equals("okGoods")){
      //取得商品的值
      String goodsBarCode = jTextField5.getText().trim();
      String categoryIdStr = jTextField6.getText().trim();
      int categoryId = 0;
      String goodsName = jTextField7.getText().trim();
      String goodsNickName = jTextField8.getText().trim();
      String goodsAssistantName = jTextField9.getText().trim();
      String goodsPYName = jTextField10.getText().trim();
      String unit = jTextField11.getText().trim();
      String specification = jTextField12.getText().trim();
      String producer = jTextField13.getText().trim();
      if(action.equals("createGoods") || action.equals("updateGoods")){
        if (goodsBarCode.length() == 0 | goodsName.length() == 0 |
            categoryIdStr.length() == 0) {
          JOptionPane.showMessageDialog(null, "商品條形碼、商品名稱、商品分類標(biāo)識不能為空.");
          return;
        }
        if(goodsData.checkInt(categoryIdStr) == 0){
          JOptionPane.showMessageDialog(null, "商品分類標(biāo)識必須是整數(shù)，請檢查.");
          return;
        }else{
          categoryId = Integer.parseInt(categoryIdStr);
        }
        //檢查商品類別標(biāo)識與否存在
        boolean isExited = false;
        for(int i = 0; i < categories.length; i++){
          if(categoryId == Integer.parseInt(categories[i][0])){
            isExited = true;
            break;
          }
        }
        if(!isExited){
          JOptionPane.showMessageDialog(null, "該類別標(biāo)識不存在，請檢查相應(yīng)的類別標(biāo)識");
          return;
        }
      }
      if(action.equals("createGoods")){
        //創(chuàng)建商品數(shù)組,庫存上限、下限、價格設(shè)為0，折扣設(shè)為1
        String[] goodsArray = new String[]{goodsBarCode, categoryIdStr,
            goodsName, goodsNickName, goodsAssistantName, goodsPYName, unit,
            specification, producer, "0", "0", "0", "1"};
        //創(chuàng)建商品
        int result = goodsData.createGoods(goodsArray);
        if(result == 1){
          //添加商品列表框的數(shù)據(jù)
          listData2.addElement(goodsBarCode);
          //更改商品數(shù)組的數(shù)據(jù)
          String[][] tempStrs = new String[goods.length + 1][13];
          System.arraycopy(goods, 0, tempStrs, 0, goods.length);
          for(int i = 0; i < 13; i++){
            tempStrs[goods.length][i] = goodsArray[i];
          }
          goods = tempStrs;
          //選擇新添加的商品
          jList2.setSelectedIndex(goods.length -1);
        }else{
          JOptionPane.showMessageDialog(null, "創(chuàng)建商品(" + goodsName + ")失敗.");
        }
      }else if(action.equals("updateGoods")){
        int selectedIndex = jList2.getSelectedIndex();
        //創(chuàng)建商品數(shù)組,保留庫存上限、下限、價格和折扣的原來數(shù)據(jù)
        String[] goodsArray = new String[]{goodsBarCode, categoryIdStr,
            goodsName, goodsNickName, goodsAssistantName, goodsPYName, unit,
            specification, producer, goods[selectedIndex][9],
            goods[selectedIndex][10], goods[selectedIndex][11],
            goods[selectedIndex][12]};
        //更新商品
        int result = goodsData.updateGoods(goodsArray);
        if(result == 1){
          //更新商品數(shù)組
          goods[selectedIndex][1] = categoryIdStr;
          goods[selectedIndex][2] = goodsName;
          goods[selectedIndex][3] = goodsNickName;
          goods[selectedIndex][4] = goodsAssistantName;
          goods[selectedIndex][5] = goodsPYName;
          goods[selectedIndex][6] = unit;
          goods[selectedIndex][7] = specification;
          goods[selectedIndex][8] = producer;
        }else{
          JOptionPane.showMessageDialog(null, "更新商品(" + goodsName + ")失敗.");
        }
      }else if(action.equals("deleteGoods")){
        //刪除商品
        int result = goodsData.deleteGoods(goodsBarCode);
        if(result == 1){
          int selectedIndex = jList2.getSelectedIndex();
          //刪除商品列表框的數(shù)據(jù)
          listData2.removeElementAt(selectedIndex);
          //更改商品數(shù)組的數(shù)據(jù)
          String[][] tempStrs = new String[goods.length -1][13];
          int line = 0;
          for(int i = 0; i < goods.length; i++){
            if(i == selectedIndex){
              continue;
            }else{
              for(int j = 0; j < 13; j++){
                tempStrs[line][j] = goods[i][j];
              }
              line++;
            }
          }
          goods = tempStrs;
          //清空商品編輯框的值
          this.clearGood();
        }else{
          JOptionPane.showMessageDialog(null, "刪除商品(" + goodsName + ")失敗.");
        }
      }
      this.checkGoodBtn(false);
    }else if(actionCommand.equals("cancelGoods")){
      this.jList2_valueChanged(null);
      this.checkGoodBtn(false);
    }else if(actionCommand.equals("exit")){
      exit();
    }
  }
  //列表1的選擇事件
  void jList1_valueChanged(ListSelectionEvent e) {
    if(listData1.size() > 0){
      this.showCategory();
    }else{
      this.clearCategory();
    }
  }
  //列表2的選擇事件
  void jList2_valueChanged(ListSelectionEvent e) {
    if(listData2.size() > 0){
      this.showGood();
    }else{
      this.clearGood();
    }
  }
}