Annotation Based Spring MVC
Follow the directory structure for Annotation Based Spring MVC
For Eclipse IDE
1.Create a Dynamic Web Project named it Test
2. In SRC folder create the package com.vikash.web
3.Under this create a Class UserController
4. Now come under WebContent Folder uder this create a jsp page index.jsp
5. Under WEB-INF folder create a sub-folder named JSP.
6. Under JSP folder create a jsp page named welcome.jsp
Directory Structure for this Application is as follows:
Test
|
SRC
|
com.vikash.web
|
HelloWorldController.java
WebComponent
|
index.jsp
WEB-INF
|
web.xml-> It's a deployement descriptor file contain the information about servlet mappings.
vikash-servlet.xml-> Keeps Configuration information contains the information about spring related configration information.
JSP-> Contains the jsp pages.
|
userPage.jsp
welcome.jsp
Now follow the following Step:
Step 1:
@Controller
Class HelloWorldController
{
@RequestMapping(value="/userPage.htm", method=RequestMethod.GET)
public ModelAndView userView(HttpServletRequest request)
{
return new ModelAndView("userPage");
}
@RequestMapping(value="/welcomePage.htm", method=RequestMethod.POST)
public ModelAndView helloWorld(HttpServletRequest request, HttpSession session)
{
String name= request.getParameter("name");
session.setAttribute("name",name);
return new ModelAndView("welcome");
}
}
Step2: index.jsp- under webcomponent folder parallel to WEB-INF foler.
<%response.sendRedirect("userPage.htm");%>
Step 3:
Create the jsp page name it userPage.jsp<html>
<head>
<title>User Page</title>
</head>
<body>
<form action="welcomePage.htm" method="post">
Name:<input type="text" name="name"></br>
<input type="submit" value="Submit">
</body>
</html>
Step 4:
Now, create the jsp page named it welcome.jsp<html>
<head>
<title>Welcome Page</title>
</head>
<body>
Welcome,<%=session.getAttribute("name");
</body>
</html>
Step 5:
Add the following lines in the web.xml file<servlet>
<servlet-name>vikash</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>vikash</servlet-name>
<url-pattern>*.htm</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
Step 6: Now in the vikash-servlet.xml file add the following lines
<?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:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p"
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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!--This line is for find the main Contoller that handle the request-->
<context:component-scan base-package="com.vikash.web"></context:component-scan>
<!-- Declare a view resolver -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/jsp/" p:suffix=".jsp" />
</beans>
How to run:
Go under the webcontent folder and select the index.jsp and right click on it the select run as ->run on servler option.
