Ajax异步等待/jquery异步等待

/* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package com.wating.struts.action; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.Action; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; public class SleepWatingAction extends Action { @Override public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { // 休息3秒再工作 // try { // Thread.sleep(3000); // System.out.println("我休息的差不多了!"); // } catch (InterruptedException e) { // e.printStackTrace(); // } return null; } }