6.2.4 事件适配器 适配器类实现一个对应的所有接口，只是方法为空。 public abstract class WindowAdapter implements WindowListener { public void windowOpened(WindowEvent e) {} public void windowActivated(WindowEvent e) {} public void windowDeactivated(WindowEvent e) {} public void
var obj,sid;//全局变量 $(document).ready(function() { //看着DIV的样式(位置 ,高度，) var stock=$("#stock").css("border","1px solid black") .width("150px").css("position","absolute") .css("z-index","99").css("background-color","blue") .css("color","yellow");//隐藏 st
