错误输出流

1.ACTION
//***************************************
// 直接通过 <html:error/> 输出String的错误提示 youLong add 2009.3.3
//***************************************
else if(retVO.getretVO() instanceof String)
{
        ActionErrors errors = new ActionErrors();
        String errorss = (String) retVO.getretVO();
        errors.add(ActionErrors.GLOBAL_ERROR,new ActionError(errorss));
        saveErrors(request,errors);
        request.setAttribute("errorss", errorss);
        return mapping.findForward("numDataAuditPage"); //检验有问题，返回页面
}

2.JSP 标签
<%@ page import="org.apache.struts.action.Action" %>
<%
	String errorss = (String)request.getAttribute("errorss");
%>
<logic:notEmpty name="<%=Action.ERROR_KEY%>">
	      <table width="98%" border="0" cellspacing="0" cellpadding="0">
	        <tr>
		      <td class="font" >&nbsp;
	           <html:errors/>
	          </td>
	          <logic:present name="errorss" scope="request">
				        <tr>
				            <td>
				                <%=errorss%> <br/>
				            </td>
				        </tr>
			</logic:present> 
	        </tr>
	      </table>
</logic:notEmpty>