java - 如何将表单字段放入列表中以便能够迭代它们？

Question

我想使用 ArrayList 迭代此表单的字段，但我不知道该怎么做。

这是表单的图像:

这是代码:

    private void btnTotalActionPerformed(java.awt.event.ActionEvent evt) {                                         
    // TODO add your handling code here:


 double index=Double.parseDouble(txtIndexNou.getText())-      Double.parseDouble(txtIndexVechi.getText());
 txtIndexTotal.setText(Double.toString(index));
 txtCam1.setText(Double.toString(index));
 txtTotal1.setText(Double.toString((index *a)));

 double index1=Double.parseDouble(txtIndexNou2.getText())-Double.parseDouble(txtIndexVechi2.getText());
 txtIndexTotal.setText(Double.toString(index1));
 txtCam1.setText(Double.toString(index1));
 txtTotal1.setText(Double.toString((index1 *a))); 

 double index2=Double.parseDouble(txtIndexNou3.getText())-Double.parseDouble(txtIndexVechi3.getText());
 txtIndexTotal.setText(Double.toString(index2));
 txtCam1.setText(Double.toString(index2));
 txtTotal1.setText(Double.toString((index2 *a)));

 double index3=Double.parseDouble(txtIndexNou4.getText())-Double.parseDouble(txtIndexVechi4.getText());
 txtIndexTotal.setText(Double.toString(index3));
 txtCam1.setText(Double.toString(index3));
 txtTotal1.setText(Double.toString((index3 *a)));

 double index4=Double.parseDouble(txtIndexNou5.getText())-Double.parseDouble(txtIndexVechi5.getText());
 txtIndexTotal.setText(Double.toString(index4));
 txtCam1.setText(Double.toString(index4));
 txtTotal1.setText(Double.toString((index4 *a)));
}

Answer 1

txtIndexNou 和 txtIndexVechi 我认为它们是某种文本输入，必须使用循环创建并将引用存储在 ArrayList 中，然后当您想读回它们的值时，只需迭代列表即可。

编辑 1

为了优化代码重复，您可以将逻辑封装到方法中。