ActionMessages 与<html:message> 怎么结合应用

public ActionForward update(ActionMapping mapping, ActionForm form,            HttpServletRequest request,            HttpServletResponse response) throws Exception {        response.setContentType("text/html;charset=gb2312");        PrintWriter out = response.getWriter();        System.out.println("测试===============");        InventoryManager mgr = (InventoryManager) getBean("inventoryManager");        InventoryForm InventoryForm = (InventoryForm) form;        String[] cinvCodes = request.getParameterValues("cinvCode");          String[] cInvPersonCodes = request.getParameterValues("cInvPersonCode");        String[] iAdvanceDates = request.getParameterValues("iAdvanceDate");          String[] fMinSupplys = request.getParameterValues("fMinSupply");          String[] fSupplyMultis = request.getParameterValues("fSupplyMulti");          String[] bPurchases =request.getParameterValues("bPurchase");        String[] bSelfs = request.getParameterValues("bSelf");        String[] cPurPersonCodes =  request.getParameterValues("cPurPersonCode");        String[] cInvStds =  request.getParameterValues("cInvStd");        String[] cInvAddCodes =  request.getParameterValues("cInvAddCode");        ActionMessages act = new ActionMessages();        ActionMessages errors = new ActionMessages();        Inventory in = new Inventory();        int a = 0;        int b = 0;        boolean bPurchase = false;        boolean bSelf = false;              for(int i = 0;i<cinvCodes.length;i++){            if(Integer.parseInt(bPurchases[i])==1){                bPurchase = true;            }            if(Integer.parseInt(bSelfs[i])==1){                bSelf = true;            }              System.out.println("------"+cinvCodes[i]);       // mgr.updateInventory(cInvPersonCodes[i], iAdvanceDate, fMinSupply, fSupplyMulti, bPurchase, bSelf, cPurPersonCode, cInvStd, cInvAddCode, cinvCode)                  Inventory inv = mgr.getInventory(cinvCodes[i]);              if(inv==null){                  System.out.println("第" + i + "条数据插入失败");                  act.add("error1", new ActionMessage("'第''"+i+"''条数据更新失败,原因:编码不存在'"));                  //out.println("'第''"+i+"''条数据更新失败,原因:编码不存在'");                  a++;              }else{              mgr.updateInventory(cInvPersonCodes[i], Integer.parseInt(iAdvanceDates[i]),                    Integer.parseInt(fMinSupplys[i]),Integer.parseInt(fSupplyMultis[i]), bPurchase, bSelf,                    cPurPersonCodes[i], cInvStds[i], cInvAddCodes[i], cinvCodes[i]);                 b++;              }              }        act.add("success1", new ActionMessage("失败条数:'"+a+"'",false));        act.add("success2", new ActionMessage("成功条数:'"+b+"'",false));        System.out.println("失败条数==="+a);        System.out.println("成功条数==="+b);        request.setAttribute("msg", act);        return mapping.findForward("update");    }