摘要:
http://stackoverflow.com/import java.awt.BorderLayout;import java.awt.Color;import java.awt.Component;import java.awt.Dimension;import java.awt.EventQueue;import java.awt.Font;import java.awt.event.MouseEvent;import java.awt.event.MouseMotionAdapter;import java.util.Vector;import javax.swing.JCompon 阅读全文