This blog will demonstrate with dopost method in Servlet
Step 1: First create one html file and add following code in it.
<html>
<body>
<form action="HelloFormPost" method="POST">
First Name: <input name="first_name" type="text" />
<br />
Last Name: <input name="last_name" type="text" />
<input checked="checked" name="maths" type="checkbox" /> Maths
<input name="physics" type="checkbox" /> Physics
<input checked="checked" name="chemistry" type="checkbox" />
Chemistry
<input type="submit" value="Select Subject" />
</form>
</body>
</html>
Step 2: Now create one servlet file as HelloFormPost
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
// Extend HttpServlet class
public class HelloFormPost extends HttpServlet {
// Method to handle GET method request.
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
// Set response content type
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String title = "Using Post Method to Read Form Data";
String docType =
"\n";
out.println(docType +"\n" + "First Name: "+request.getParameter("first_name") + "\n" + "Last Name: " + request.getParameter("last_name") +
"\n\n\n\n" +"<li><b>Maths Flag : </b>: " + request.getParameter("maths") +
"\n" +"<li><b>Physics Flag: </b>: " + request.getParameter("physics") +
"\n" +"<li><b>Chemistry Flag: </b>: "
+ request.getParameter("chemistry") + "\n" + "");
}
// Method to handle POST method request.
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}
Step 3: Now go to html and run the file.
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