请问用java程序模拟qq登录界面的代码怎么写啊？

太简单了！你看看！ package dyno.swing.beans.qq; import javax.swing.*; import javax.swing.event.MouseInputListener; import org.jvnet.substance.skin.SubstanceOfficeBlue2007LookAndFeel; /*import org.jvnet.substance.skin.SubstanceModerateLookAndFeel; import org.j