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Sunday, 16 March 2014

Servlet – Form Submit using GET method

In this tutorial we are going to see how to submit from in servlet using GET method.
1. Create new Dynamic web project by choosing File –> New –> Dynamic Web Project .
2. Create the Project called ServletExample as given below.
Servlet-dynamic web project
3. Create package called com.javatutorialscorner.servlet under ServletExample.
4. Create Servlet called GetFormSubmitServlet as shown in figure.
Create Servlet
http servlet 
5. Click Next it will show URL mapping.You can edit Servlet URL if you need.
6. Click Next it will show methods available  in HttpServlet. Select appropriate method you need.
http servlet Services
7. By default your servlet will be mapped in web.xml, if your servlet not mapped in your web.xml use the following configuration to map the servlet in your web.xml
Servlet Mapping
<servlet>
<servlet-name>Your Servlet Name</servlet-name>
<servlet-class>Fully Qulaified Servlet Class Name</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Your Servlet Name</servlet-name>
<url-pattern>/URL to Call Servlet</url-pattern>
</servlet-mapping>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>ServetExample</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>GetFormSubmitServlet</servlet-name>
<servlet-class>com.javatutorialscorner.servlet.GetFormSubmitServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>GetFormSubmitServlet</servlet-name>
<url-pattern>/GetFormSubmitServlet</url-pattern>
</servlet-mapping>

</web-app>

8. Add the required code inside doGet() method.

GetFormSubmitServlet.java

package com.javatutorialscorner.servlet;

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;

/**
* Servlet implementation class GetFormParamServlet
*/

public class GetFormSubmitServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

/**
* @see HttpServlet#HttpServlet()
*/
public GetFormSubmitServlet() {
super();
// TODO Auto-generated constructor stub
}

/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub

response.setContentType("text/html");
PrintWriter writer = response.getWriter();
writer.write("<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n"
+ "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=ISO-8859-1\"><title>Java Tutorials Corner - Servlet GET method</title>"
+ "</head><body><h1>Java Tutorials Corner - Servlet GET method</h1><table><tr>"
+ "<td>Name : </td><td>"
+ request.getParameter("name")
+ "</td></tr><tr><td>Job : </td><td>"
+ request.getParameter("job") + "</td></tr></table></body></html>");
}

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}

}

9. Create html page in WebContent folder

formsubmit.html

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Java Tutorials Corner - Servlet Form Submit using GET method</title>
</head>
<body>
<h1>Java Tutorials Corner - Servlet Form Submit using GET method</h1>
<form action="GetFormSubmitServlet" method="get">

<table>
<tr>
<td>Name : </td>
<td><input type="text" name="name"/> </td>
</tr>
<tr>
<td>Job : </td>
<td><input type="text" name="job"/></td>
</tr>
</table>
<input type="submit" value="Submit"/>
</form>
</body>
</html>

In above html page in form tag method="get"to mention the form submit using get method.The default method to submit form is GET.

10. Now save and Run the servlet, Run As –> Run on Server – Select your web Server to run the servlet. ( see How to configure tomcat in eclipse

11.call the URL which is mapped in web.xml.

http://localhost:8080/ServletExample/formsubmit.html

Output

servlet submit from

After form submit.

Get method show param and values in browser url.

servlet form submit output
Annamalai Thangaraj

Annamalai is working as Technical Lead in Leading Telecom company with 5+ years experience in Identity and Access Management , Telecom and Networks, BigData, Java, Spring, Struts, Hibernate, AngularJS, and Enterprise Web Application Development.

Website: Java Tutorials Corner

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Item Reviewed: Servlet – Form Submit using GET method Rating: 5 Reviewed By: Annamalai Thangaraj