package com.exemplo.web;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class BeerSelect extends HttpServlet {
@Override
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("Beer Selection Advince<br>");
String c = request.getParameter("color");
out.println("<br>Got beer color" + c);
}
}
<html><body>
<h1 align="center"> Selecione a Cerveja</h1>
<form method="POST"
action="SelectBeer.do"> <!-- Por que usamos POST em vez de GET? -->
Selecione as caracteristicas da Cerveja<p>
Color:
<!-- Foi assim que criamos o menu pull-down,
mas suas opções podem varias.(Você entendeu
o size="1"?) -->
<select name="color" size="1">
<option>light
<option>amber
<option>brown
<option>dark
</select>
<br><br>
<center>
<input type="SUBMIT">
</center>
</form>
</body>
</html>
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4">
<servlet>
<servlet-name>Ch3 Beer</servlet-name>
<servlet-class>com.exemplo.web.BeerSelect</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Ch3 Beer</servlet-name>
<url-pattern>/SelectBeer.do</url-pattern>
</servlet-mapping>
</web-app>