Asynchronous transmission of json data format example code based on jquery_jquery

public class JsonAction extends ActionSupport{
 public void getData() throws IOException
 {
  HttpServletRequest req = ServletActionContext.getRequest();
  String p1 = req.getParameter("param1");
  String p2 = req.getParameter("param2");

  HttpServletResponse rep = ServletActionContext.getResponse();
  rep.setContentType("text/json;charset=utf-8");
  PrintWriter pw = rep.getWriter();
  String data = "[{"id":"01","name":"zhongqian","description":"" p1 ""},{"id":"02","name":"zhangsan","description":"" p2 ""}]";
  pw.print(data);
  pw.flush();
 }
}