usermanageframe.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

      }else{
        baseInforCheckBoxes[i].setSelected(false);
      }
    }
  }
  //设置进货模块复选框的方法
  public void setStockAuthorityCheckBox(int stockFunction){
    int power = 0;
    //设置进货模块的复选框
    for(int i = 0; i < stockCheckBoxes.length; i++){
      power = (int)Math.pow(2, i);
      if((stockFunction & power) == power){
        stockCheckBoxes[i].setSelected(true);
      }else{
        stockCheckBoxes[i].setSelected(false);
      }
    }
  }
  //设置库存模块复选框的方法
  public void setStockManageAuthorityCheckBox(int stockManageFunction){
    int power = 0;
    //设置库存模块的复选框
    for(int i = 0; i < stockManageCheckBoxes.length; i++){
      power = (int)Math.pow(2, i);
      if((stockManageFunction & power) == power){
        stockManageCheckBoxes[i].setSelected(true);
      }else{
        stockManageCheckBoxes[i].setSelected(false);
      }
    }
  }
  //设置销售模块复选框的方法
  public void setSaleAuthorityCheckBox(int saleFunction){
    int power = 0;
    //设置销售模块的复选框
    for(int i = 0; i < saleCheckBoxes.length; i++){
      power = (int)Math.pow(2, i);
      if((saleFunction & power) == power){
        saleCheckBoxes[i].setSelected(true);
      }else{
        saleCheckBoxes[i].setSelected(false);
      }
    }
  }
  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);
  }
  //设置用户的方法
  public void setUser(User user) {
    this.user = user;
  }
  //恢复所有复选框的方法
  public void restoreAllCheckBoxes(){
    setBaseInforAuthorityCheckBox(baseInforFunction);
    setStockAuthorityCheckBox(stockFunction);
    setStockManageAuthorityCheckBox(stockManageFunction);
    setSaleAuthorityCheckBox(saleFunction);
  }
  //选择所有复选框的方法
  public void selectAllCheckBoxes(){
    setBaseInforAuthorityCheckBox(4095);
    setStockAuthorityCheckBox(511);
    setStockManageAuthorityCheckBox(4095);
    setSaleAuthorityCheckBox(127);
  }
  //清空界面方法
  public void clearInterface(){
    //清空编辑框
    jTextField2.setText("");
    jTextField3.setText("");
    //清空权限变量
    baseInforFunction = 0;
    stockFunction = 0;
    stockManageFunction = 0;
    saleFunction = 0;
    //清空复选框
    restoreAllCheckBoxes();
  }
  public void searchUser(){
    //清空列表框和用户类数组
    listData.clear();
    selectedUsers = null;
    String userName = jTextField1.getText().trim();
    String[][] userNames = stockManagementData.getUserByUserName(userName);
    //创建用户类数组
    selectedUsers = new User[userNames.length];
    for(int i = 0; i < userNames.length; i++){
      //添加列表框的内容
      listData.addElement(userNames[i][0]);
      //创建用户
      selectedUsers[i] = new User(userNames[i][0], userNames[i][1],
                                  Integer.parseInt(userNames[i][2]),
                                  Integer.parseInt(userNames[i][3]),
                                  Integer.parseInt(userNames[i][4]),
                                  Integer.parseInt(userNames[i][5]));
    }
  }
  //动作接收器的方法
  public void actionPerformed(ActionEvent e) {
    //取得按钮的动作字符串
    String actionCommand = e.getActionCommand().trim();
    //单击查询按钮
    if (actionCommand.equals("search")) {
      searchUser();
    }
    else if (actionCommand.equals("selectAllCheckboxes")) {
      selectAllCheckBoxes();
    }
    else if (actionCommand.equals("restoreAllCheckBoxes")) {
      restoreAllCheckBoxes();
    }
    else if (actionCommand.equals("baseInforSelectCheckBoxes")) {
      setBaseInforAuthorityCheckBox(4095);
    }
    else if (actionCommand.equals("baseInforRestoreCheckBoxes")) {
      setBaseInforAuthorityCheckBox(baseInforFunction);
    }
    else if (actionCommand.equals("stockSelectCheckBoxes")) {
      setStockAuthorityCheckBox(511);
    }
    else if (actionCommand.equals("stockRestoreCheckBoxes")) {
      setStockAuthorityCheckBox(stockFunction);
    }
    else if (actionCommand.equals("stockManageSelectCheckBoxes")) {
      setStockManageAuthorityCheckBox(4095);
    }
    else if (actionCommand.equals("stockManageRestoreCheckBoxes")) {
      setStockManageAuthorityCheckBox(stockManageFunction);
    }
    else if (actionCommand.equals("saleSelectCheckBoxes")) {
      setSaleAuthorityCheckBox(127);
    }
    else if (actionCommand.equals("saleRestoreCheckBoxes")) {
      setSaleAuthorityCheckBox(saleFunction);
    }
    else if (actionCommand.equals("add")) {
      //清空界面
      clearInterface();
      //检查按钮状态
      checkBtn(true);
      action = "add";
    }
    else if (actionCommand.equals("update")) {
      if(jList1.getSelectedIndex() == -1){
        JOptionPane.showMessageDialog(null, "请选择用户.");
        return;
      }
      checkBtn(true);
      action = "update";
    }
    else if (actionCommand.equals("delete")) {
      if(jList1.getSelectedIndex() == -1){
        JOptionPane.showMessageDialog(null, "请选择用户.");
        return;
      }
      checkBtn(true);
      action = "delete";
    }
    else if (actionCommand.equals("ok")) {
      String userName = jTextField2.getText().trim();
      String userPassword = jTextField3.getText().trim();
      if((userName.length() == 0) | (userPassword.length() == 0)){
        JOptionPane.showMessageDialog(null, "用户名和密码不能为空.");
        return;
      }
      if (action.equals("update") | action.equals("delete")) {
        //取得列表框的用户类的名字
        String selectedUserName = (String) listData.getElementAt(jList1.
            getSelectedIndex());
        if (!selectedUserName.equals(userName)) {
          JOptionPane.showMessageDialog(null, "列表框的选择用户名和编辑框的用户名不相同，不能进行更新和删除操作.");
          return;
        }
      }
      //取得用户权限数字
      int tempBaseInforFunction = 0;
      int tempStockFunction = 0;
      int tempStockManageFunction = 0;
      int tempSaleFunction = 0;
      //取得基础信息模块的权限
      for(int i = 0; i < baseInforCheckBoxes.length; i++){
        if(baseInforCheckBoxes[i].isSelected()){
          tempBaseInforFunction += Math.pow(2, i);
        }
      }
      //取得进货模块的权限
      for(int i = 0; i < stockCheckBoxes.length; i++){
        if(stockCheckBoxes[i].isSelected()){
          tempStockFunction += Math.pow(2, i);
        }
      }
      //取得库存模块的权限
      for(int i = 0; i < stockManageCheckBoxes.length; i++){
        if(stockManageCheckBoxes[i].isSelected()){
          tempStockManageFunction += Math.pow(2, i);
        }
      }
      //取得销售模块的权限
      for(int i = 0; i < saleCheckBoxes.length; i++){
        if(saleCheckBoxes[i].isSelected()){
          tempSaleFunction += Math.pow(2, i);
        }
      }
      //创建用户类
      User tempUser = new User(userName, userPassword, tempBaseInforFunction,
                               tempStockFunction, tempStockManageFunction, tempSaleFunction);
      //执行添加操作
      if(action.equals("add")){
        int result = stockManagementData.createUser(tempUser);
        if(result == 1){
          //为列表框添加用户名
          listData.addElement(userName);
          //更新用户数组
          User[] tempUsers = new User[selectedUsers.length + 1];
          System.arraycopy(selectedUsers, 0, tempUsers, 0, selectedUsers.length);
          tempUsers[selectedUsers.length] = tempUser;
          selectedUsers = tempUsers;
          JOptionPane.showMessageDialog(null, "成功添加用户(" + userName + ").");
        }else{
          JOptionPane.showMessageDialog(null, "添加用户失败.");
        }
      }
      //执行更新操作
      else if(action.equals("update")){
        int result = stockManagementData.updateUser(tempUser);
        if(result == 1){
          JOptionPane.showMessageDialog(null, "成功更新用户(" + userName + ").");
          //更新用户列表的用户类
          selectedUsers[jList1.getSelectedIndex()] = tempUser;
        }else{
          JOptionPane.showMessageDialog(null, "更新用户失败.");
        }
      }
      //执行删除操作
      else if(action.equals("delete")){
        int result = stockManagementData.deleteUser(tempUser);
        if(result == 1){
          int selectedIndex = jList1.getSelectedIndex();
          //为列表框删除用户名
          listData.remove(selectedIndex);
          //更新用户数组
          User[] tempUsers = new User[selectedUsers.length - 1];
          int line = 0;
          for(int i = 0; i < selectedUsers.length; i++){
            if(i == selectedIndex){
              continue;
            }else{
              tempUsers[line] = selectedUsers[i];
              line++;
            }
          }
          selectedUsers = tempUsers;
          JOptionPane.showMessageDialog(null, "成功删除用户(" + userName + ").");
        }else{
          JOptionPane.showMessageDialog(null, "删除用户失败.");
        }
      }
      checkBtn(false);
    }
    else if (actionCommand.equals("cancel")) {
      checkBtn(false);
      //激活列表框的选择方法
      userNameList_valueChanged(null);
    }
    else if (actionCommand.equals("exit")) {
      exit();
    }
  }
  //检查按钮enabled状态的方法
  public void checkBtn(boolean manipulated){
    //增、删、改状态
    if(manipulated){
      jButton12.setEnabled(false);
      jButton13.setEnabled(false);
      jButton14.setEnabled(false);
      jButton15.setEnabled(true);
      jButton16.setEnabled(true);
    }else{
      jButton12.setEnabled(true);
      jButton13.setEnabled(true);
      jButton14.setEnabled(true);
      jButton15.setEnabled(false);
      jButton16.setEnabled(false);
    }
  }
  //列表内容改变方法
  void userNameList_valueChanged(ListSelectionEvent e) {
    //取得选择项的位置
    int selectIndex = jList1.getSelectedIndex();
    if(selectIndex > -1){
      //显示用户名和密码
      jTextField2.setText(selectedUsers[selectIndex].getUserName());
      jTextField3.setText(selectedUsers[selectIndex].getUserPassword());
      //根据用户重新设置所有复选框
      setAllAuthorityCheckBox(selectIndex);
    }else{
      //使所有控件回复到空状态
      clearInterface();
    }
 }
}