资 源 简 介
package test;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
public class Win extends JFrame {
JButton jb = new JButton("上传");
public Win() {
jb.addAction
