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//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");