最简单的：Struts2+JSON+JQUERY+AJAX 完整DEMO源代码

package cn.org.ethink; import com.opensymphony.xwork2.ActionSupport; public class TestAction extends ActionSupport { private static final long serialVersionUID = 1L; private String message; public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } @Override public String execute() throws Exception{ System.out.println("接收到："+message); message = "分享心得，成就您我！--e想教育|腾讯课堂"; return "success"; } }