actionperformed.txt

ejb的学习资料

public void actionPerformed (ActionEvent  e)  {
    String  str = amount.getText();
    if ( str.equals(" ") {
            return;
    }    
    try { 
         if ( e.getSource() == addFunds ) {
         balance = (double) manager.addFunds(balance,
             Double.parseDouble(amount.getText()));
             currencyFormatter = NumberFormat.getCurrencyInstance();
             strBal = currencyFormatter.format (balance);
             status.setText (mag + strBal);
        }
        if( e.getsource() == withdrawFunds ) {
             balance = (double ) manager.withdrawFunds (balance,
                Double.parseDouble(amount.getText()));
       //设置新的结余。
            currencyFormatter = NumberFormat.getCurrencyInstance();
            strBal = currencyFormatter.format (balance) ;
            status.setText (msg + strBal);
       }
  }  catch (Exception ex ) {
         ex.printStackTrace ( );
     }
}