现有需求如下:
已知某早餐铺,包子1元/个,豆浆2元/杯,油条1元/个,豆腐脑3元/碗,要求通过Java设计出早餐铺界面并计算出顾客早餐金额。
核心代码:
public static void buttonAction(JButton button,JTextField text1,JTextField text2,JTextField text3,JTextField text4,JLabel label9) {
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
int total = Integer.parseInt(text1.getText()) + Integer.parseInt(text2.getText())*2 + Integer.parseInt(text3.getText()) + Integer.parseInt(text4.getText())*3;
String total1="包子"+text1.getText()+"个"+","+"豆浆"+text2.getText()+"杯"+","+"油条"+text3.getText()+"个"+","+"豆腐脑"+text4.getText()+"碗"+','+"共"+total+"元";
label9.setText(total1);
}
});
}
运行结果: