JAVA N WEB TECH SYLLABUS

Wednesday, January 5, 2011

Program to change the background color of the page on the color selected by the user usin servlet.

Html File
Colour.html

<html><body bgcolor="blue">
<form action="http://192.168.8.3:8080/servlet/Colour">
<select name="color" size="3">
<option value="red">Red</option>
<option value="magenta">Magenta</option>
</select>
<input type="Submit" value="Submit">
</form>
</body>
</html>

Servlet File
Colour.java

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class Colour extends HttpServlet
{
public void doGet(HttpServletRequest req,HttpServletResponse res) throws ServletException,IOException
{
String col=req.getParameter("color");
PrintWriter out=res.getWriter();
res.setContentType("text/html");
out.println("<html><body bgcolor=" +col+">");
out.println("<b>SELECTED COLOR IS</b>");
out.println("<b>"+col+"</b>");
out.println("</body></html>");
out.close();
}
}

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