Hi, there♥ : 2. Spring MVC - Hello World example

1. Create a Maven Project

- File > New > Maven Project
- Select maven-archetype-webapp
- Enter an groupId and artifactId

ex) groupId : com.yunjee.springmvc / artifactId : SpringWeb

- Guide to naming
https://maven.apache.org/guides/mini/guide-naming-conventions.html

2. Modify pom.xml

- Change pom.xml file to be the following :

<properties> <spring.version>4.3.1.RELEASE</spring.version> </properties> <dependencies>  <dependency> <groupid>org.springframework</groupId> <artifactid>spring-webmvc</artifactId> <version>4.3.1.RELEASE</version> </dependency>  <dependency> <groupid>javax.servlet</groupId> <artifactid>javax.servlet-api</artifactId> <version>3.1.0</version> </dependency> <dependency> <groupid>javax.servlet.jsp</groupId> <artifactid>javax.servlet.jsp-api</artifactId> <version>2.3.1</version> </dependency> <dependency> <groupid>javax.servlet</groupId> <artifactid>jstl</artifactId> <version>1.2</version> </dependency>  <dependency> <groupid>junit</groupId> <artifactid>junit</artifactId> <version>3.8.1</version> <scope>test</scope> </dependency> </dependencies> <build> <pluginmanagement> <plugins> <plugin> <groupid>org.apache.maven.plugins</groupId> <artifactid>maven-compiler-plugin</artifactId> <version>3.2</version> <configuration> <source>1.6</source> <target>1.6</target> </configuration> </plugin> </plugins> </pluginManagement> <finalname>SpringWeb</finalName> </build>

3. Create web.xml

- Create webapp/WEB-INF/web.xml file to be the following :

<web-app id="WebApp_ID" 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_4.xsd"> <display-name>SpringWeb Created Web Application</display-name> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/spring-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>

4. Create ooo-servlet.xml

- Create webapp/WEB-INF/spring-servlet.xml file to be the following :

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <context:component-scan base-package="com.yunjee.spring" /> <mvc:annotation-driven /> <bean 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>

5. Create a JSP Page

- File > New > JSP file : webapp/WEB-INF/views/welcome.jsp
- welcome.jsp file to be the following :

<%@ page language="java" contentType="text/html; charset=EUC-KR" pageEncoding="EUC-KR"%> <!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=EUC-KR"> <title>Insert title here</title> </head> <body> welcome page : ${greeting} </body> </html>

6. Create a Java Class

- File > New > Package > com.yunjee.spring

- File > New > Class > HelloWorldController.java

- HelloWorldController.java file to be the following :

package com.yunjee.spring; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; @Controller public class HelloWorldController { @RequestMapping(value="/hello", method = RequestMethod.GET) public String sayHello(ModelMap model) { model.addAttribute("greeting", "Hello World from Spring 4 MVC"); return "welcome"; } @RequestMapping(value="/helloagain", method = RequestMethod.GET) public String sayHelloAgain(ModelMap model) { model.addAttribute("greeting", "Hello World Again, from Spring 4 MVC"); return "welcome"; } }

7. Set a Server

- Window > show view > Server
- Create server > Select available project

8. Execute

- Run > Run (Ctrl + F11)

** Error

The superclass "javax.servlet.http.HttpServlet" was not found on the Java Build Path

- Check below Properties if tomcat is set

Java Build Path > add Library..
Targeted Runtimes
Project Facets > Runtimes

- Or, add servlet-api in Java Build Path > Libraries

** Refer
- http://spring.io/projects
- http://www.tutorialspoint.com/spring/spring_hello_world_example.htm
- http://www.programcreek.com/2012/06/spring-framework-tutorial-hello-world/

Hi, there♥

Post List

Friday, July 29, 2016

2. Spring MVC - Hello World example

1. Create a Maven Project

2. Modify pom.xml

3. Create web.xml

4. Create ooo-servlet.xml

5. Create a JSP Page

6. Create a Java Class

7. Set a Server

8. Execute

No comments :

Post a Comment

Category

Blog Archive