其实总体用了很少的代码,就是模版图+框架代码实现,模版也是网上的,非常多总体实现的原理还是绘图功能,捕捉用户输入。
用户界面 (UI): 我们可以使用Swing或JavaFX来创建一个窗口界面,允许用户输入所需的信息。
数据处理: 应用程序将需要处理用户输入,并将这些信息转换成回执单的格式。
生成回执单: 这可以通过创建一个文本文件或PDF来实现。
下面是框架图:
下面是JAVA代码【这里是结合Swing或JavaFX实例实现的】:
====================================================
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
public class ReceiptGenerator extends JFrame {
private JTextField payerAccountField, receiverNameField, receiverAccountField, amountField, messageField;
private JButton generateButton;
public ReceiptGenerator() {
createUI();
}
private void createUI() {
setLayout(new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));
add(new JLabel("付款账户:"));
payerAccountField = new JTextField(20);
add(payerAccountField);
add(new JLabel("收款户名:"));
receiverNameField = new JTextField(20);
add(receiverNameField);
add(new JLabel("收款账号:"));
receiverAccountField = new JTextField(20);
add(receiverAccountField);
add(new JLabel("转账金额:"));
amountField = new JTextField(20);
add(amountField);
add(new JLabel("转账附言:"));
messageField = new JTextField(20);
add(messageField);
generateButton = new JButton("生成回执单");
add(generateButton);
generateButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
generateReceipt();
}
});
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
pack();
setVisible(true);
}
private void generateReceipt() {
try {
String content = "付款账户: " + payerAccountField.getText() + "\n" +
"收款户名: " + receiverNameField.getText() + "\n" +
"收款账号: " + receiverAccountField.getText() + "\n" +
"转账金额: " + amountField.getText() + "\n" +
"转账附言: " + messageField.getText();
File file = new File("receipt.txt");
if (!file.exists()) {
file.createNewFile();
}
FileWriter fw = new FileWriter(file.getAbsoluteFile());
BufferedWriter bw = new BufferedWriter(fw);
bw.write(content);
bw.close();
JOptionPane.showMessageDialog(this, "回执单已生成!");
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
new ReceiptGenerator();
}
}
===================================================