a.jsp
<%@ page language="java" contentType="text/html; UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>java_bean</title> </head> <body> <!-- 判断一个邮箱是否为标准邮箱+comb.Email+/test/a.jsp+/test/result.jsp --> <form action="/Weblearn/test/result.jsp" method="post"> <table align="center" width="300px" border="1" height="150px"> <tr> <td colspan="2" align="center"> <b>邮箱认证系统</b> </td> </tr> <tr> <td align="right">邮箱地址:</td> <td><input type="text" name="mailAdd"></td> </tr> <tr> <td colspan="2" align="center"> <input type="submit"> </td> </tr> </table> </form> <% out.print(request.getParameter("userid")); %> </body> </html>
jap_action.jsp
<%@ page language="java" contentType="text/html; UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>java_bean</title>
</head>
<body>
<!-- 跳转到a.jsp页面并传递一个参数名为userid,参数值为fenglei的参数 -->
<jsp:forward page="a.jsp">
<jsp:param name="userid" value="fenglei" />
</jsp:forward>
</body>
</html>
结果: