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Spring 3 MVC hello world, Spring 3.0 Web MVC Example
Posted on: August 26, 2010 at 12:00 AM
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Getting stated with the Spring 3 MVC by developing first Hello World MVC example.

Spring 3 MVC Hello World Example

Getting stated with the Spring 3 MVC by developing first Hello World MVC example. This is the first example of writing first example in Spring MVC. After completing the tutorial you will be able to start developing small applications using Spring MVC.

In this section we will create a new project in Eclipse IDE  and will name it "Spring MVC Hello World" application. We are using Spring 3 libraries in the application. You can download the latest Spring 3 framework from http://www.eclipse.org/downloads/.

Let's start application "Spring MVC Hello World "  example

Step 1:

Before we start  Spring 3.0 at least requires JDK 5. So, make sure you have JDK 5 or above. Open dos prompt if you are using windows and type java -version. This will display the version of Java installed on your machine as shown below:

C:\>java -version
java version "1.6.0_14"
Java(TM) SE Runtime Environment (build 1.6.0_14-b08)
Java HotSpot(TM) Client VM (build 14.0-b16, mixed mode, sharing)
C:\>

If you don't know how to install Java read it at http://www.roseindia.net/java/index.shtml

Step 2:

Download Eclipse IDE from Eclipse download site at http://www.eclipse.org/downloads/. find the eclipse.exe in the extracted folder and double click eclipse.exe.

Step 3:

Spring 3.0 MVC JAR files:. Following are the list of JAR files required -

  • commons-logging-1.1.1.jar
  • jstl-1.2.jar
  • spring-asm-3.0.3.RELEASE.jar
  • spring-beans-3.0.3.RELEASE.jar
  • spring-context-3.0.3.RELEASE.jar
  • spring-core-3.0.3.RELEASE.jar
  • spring-expression-3.0.3.RELEASE.jar
  • spring-web-3.0.3.RELEASE.jar
  • spring-webmvc-3.0.3.RELEASE.jar

Step 4:

Let us start with our first Spring 3.0 MVC based application.
Open Eclipse and goto  File->New->Dynamic Web Project-(click) wizard screen
 
After selecting Dynamic Web Project, open wizard screen, Inter Project name


After entering project name press Next; wizard will display the following screen:

 
  After that press Next button


 Now press Finish display project structure

Step 5:

Now copy all jar files and put in WebContent->WEB-INF > lib folder. display as


Step 6:

now  src->New->other->Select Class and press Next

After press Next  Inter Package name "net.roseindia.controllers" and Controller class name "HelloWorldController"  and press Finish . after modify  "HelloWorldController" as

package net.roseindia.controllers;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.context.ContextLoaderListener;

@Controller
public class HelloWorldController {
@RequestMapping("/helloworld")
public ModelAndView helloWord(){
String message = "Hello World, Spring 3.0!";
return new ModelAndView("helloworld", "message",message);
}
}

Step 7:

Now  select WebContent->WEB-INF->New ->select Folder and Inter Folder name "views" and press Finish. Now create "helloworld.jsp"  under WEB-INF->views.

File: WEB-INF/views/helloworld.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!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>Spring 3.0 MVC Series: Hello World</title>
</head>
<body>
${message}
</body>
</html>

Step 8:

Now create "index.jsp" under WebContent->index.jsp

 File:WebContent/index.jsp 

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!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>Spring 3, MVC Examples</title>
</head>
<body>
<h1>Spring 3, MVC Examples</h1>
<ul>
<li><a href="forms/helloworld.html">Hello World</a></li>
</ul>
</body>
</html>

Step 9:

Now  modify web.xml under WebContent/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" 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_5.xsd">

<display-name>RoseIndia</display-name>

<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/forms/*</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>

Step 9:

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">

<context:component-scan base-package="net.roseindia.controllers"/>

<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<property name="prefix">
<value>/WEB-INF/views/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>

</beans>

Step 10:

After  we Add server in project . right click project -> New->server-> select server

Now press Next

Now press Add and set server runtime environment. if exists  in local tomcat then press "Browse" and select Tomcat server path otherwise  press "Download and Install" .

Now press Finish and press Next.

Now press Add All>> and after press  Finish .

Step 11:

Now  Run the Project , Right click  project ->Run As->Run  on Server((Shortcut: Alt+Shift+X, R))

After click "Hello World"  Link

Download Source Code

Click here to download source code

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Posted on: August 26, 2010

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