<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> </head> <body> <s:actionerror /> ------------------------------- <%-- <s:fielderror />--%> <s:form action="Login" theme="simple"> username:<s:textfield name="username" />${FieldErrors.username[0] }<br /> password:<s:textfield name="password" />${FieldErrors.password[0] }<br /> age:<s:textfield name="age" /><br /> <s:submit value="提交" /> </s:form> </body> </html>