URL传参过长的解决办法

public void loadingArcHtml(HttpServletResponse response, String msg,
        int pointer, String url, String sumTime) {
    PrintWriter out;
    try {
        out = response.getWriter();
        out
            .print("<LINK rev=stylesheet media=all href=manager/css/css_body.css type=text/css rel=stylesheet>");
        out.println("<meta http-equiv=refresh content=0;url=" + url + ">");
        out.println("<br/><br/><div align=center>");
        out.println(Constants.DIV_CSS1);
        /**
                 * 构造内容页面
                 */

        out.print("<font size=2>" + msg + "");
        out.print("完成创建文件总数的：<b>" + pointer + "％</b></font><br/>");
        out.print(sumTime + "  ， <a href=" + url + ">继续执行任务...</a><br/>");
        out.println("<br/><div>");
        out.println("</div>");
    } catch (IOException e) {
        // TODO 自动生成 catch 块
        e.printStackTrace();
    }
    }

    /**
         * 人性化进度读取
         * response,提示信息，百分比，链接，总时间
     * @param hiddenAtt TODO
         *
         */
    public void loadingArcHtml(HttpServletResponse response, String msg,
        int pointer, String url, String sumTime, String hiddenAtt) {
    PrintWriter out;
    try {
        out = response.getWriter();
        out .print("<LINK rev=stylesheet media=all href=manager/css/css_body.css type=text/css rel=stylesheet>");
                    out.println("<form name=\"htmlsubmit\" method=\"post\" action="+url+">");
    
        out.println("<input type='hidden' name='hiddenAtt' value='"+hiddenAtt+"'/>");
        out.println("<br/><br/><div align=center>");
        out.println(Constants.DIV_CSS1);
        /**
                 * 构造内容页面
                 */
        out.print("<font size=2>" + msg + "");
        out.print("完成创建文件总数的：<b>" + pointer + "％</b></font><br/>");
        out.print(sumTime + "  ， <a href=\"#\" onclick=\"javascript:document.htmlsubmit.submit();\">继续执行任务...</a><br/>");
        out.println("<br/><div>");
        
        out.println("</form>");
        out.println("<script type=\"text/javascript\">document.htmlsubmit.submit();</script>");
        out.println("</div>");
    } catch (IOException e) {
        e.printStackTrace();
    }
    }