摘要：
如图：显示package com.haini;import java.awt.Dimension;import java.awt.EventQueue;import java.awt.Image;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.beans.PropertyChangeEvent;import java.beans.PropertyChangeListener;import java.io.File;import java.io.FileFilter;import 阅读全文