public
void setAttribute(String name, Object o)
Stores
an attribute in this request. Attributes are reset between requests.
This method is most often used in conjunction with RequestDispatcher.
<!DOCTYPE html> <html> <head> <title>User Registration</title> </head> <body> <noscript>Java Script functionality disabled, Please enable it</noscript> <form id="formRegistration" action="/servlet/GetAttributes" method="post"> <table id="registrationTable"> <caption>Please fill the details to Register</caption> <tr> <td>Mail Id:<span class="required1"><sup>*</sup></span></td> <td><input type="text" name="mailID" id="mailID" required="required" /></td> </tr> <tr> <td>Country<span class="required1"><sup>*</sup></span></td> <td><input type="text" name="country" id="confPasswd" required="required" /></td> </tr> <tr> <td>Password:<span class="required1"><sup>*</sup></span></td> <td><input type="password" name="passwd" id="passwd" required="required" /></td> </tr> <tr> <td>Confirm Password<span class="required1"><sup>*</sup></span></td> <td><input type="password" name="confPasswd" id="confPasswd" required="required" /></td> </tr> <tr> <td><input type="submit" value="Register" id="register" /></td> <td><input type="reset" value="Clear Data" /></td> </tr> </table> </form> </body> </html>
Welcome.jsp
<%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Welcome</title> </head> <% Object obj1 = request.getAttribute("welcome"); Object obj2 = request.getAttribute("country"); String welcome = (String) obj1; String country = (String) obj2; %> <body> <h1><%= welcome%>. <%= country %>.</h1> </body> </html>
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"> <servlet> <servlet-name>GetAttributes</servlet-name> <servlet-class>GetAttributes</servlet-class> </servlet> <servlet-mapping> <servlet-name>GetAttributes</servlet-name> <url-pattern>/GetAttributes</url-pattern> </servlet-mapping> </web-app>
import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.RequestDispatcher; public class GetAttributes extends HttpServlet { @Override public void doPost(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException{ PrintWriter out = res.getWriter(); String userName = req.getParameter("mailID"); String password = req.getParameter("passwd"); String conPassword = req.getParameter("confPasswd"); String myCountry = req.getParameter("country"); String welcome = "Welcome " + userName; String country = "You are from " + myCountry; req.setAttribute("welcome", welcome); req.setAttribute("country", country); RequestDispatcher rd = req.getRequestDispatcher("Welcome.jsp"); rd.forward(req, res); } }
Output
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