//Servlet中
request.setAttribute("ztzaxx_al", ztzaxx_al); //ztzaxx_al是一个ArrayList
request.setAttribute("UrlPath", sUrlPath);    //sUrlPath是一个string
System.out.println(sUrlPath);//服务器端能打印出来

request.getRequestDispatcher("/result.jsp").forward(request, response);
    

//jsp
String Url = (String)request.getAttribute("UrlPath");
ArrayList ztzaxx_al = (ArrayList)request.getAttribute("ztzaxx_al");