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Spring Boot with JSP pages - simple app example

13 points
Created by:
Root-ssh
150820

Full and tested example of how to use Spring Boot + JSP pages.

Github repository with this example:

Download this example:

When we run SpringBootWebApplication.java under http://localhost:8080/ we will see:

Project structure:

home.jsp

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title>Example template</title>
	<link rel="stylesheet" href="css/style.css" />
	<script type="text/javascript" src="js/script.js"></script>
</head>
<body>

<h1>Home page</h1>
<h1>
    <span>Username from controller:</span>

    <%
        String username = (String) pageContext.findAttribute("username");
    %>
    <span><%= username %></span>

</h1>

</body>
</html>

application.properties

server.port: 8080
spring.mvc.view.prefix: /WEB-INF/jsp/
spring.mvc.view.suffix: .jsp
logging.level.org.springframework.web=DEBUG

script.js

console.log('test');

style.css

body {
    margin: 20px;
    padding: 20px;
    border: 1px solid grey;
    border-radius: 4px;
}

SpringBootWebApplication.java

package com.dirask;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;

@SpringBootApplication
public class SpringBootWebApplication extends SpringBootServletInitializer {

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(SpringBootWebApplication.class);
    }

    public static void main(String[] args) {
        SpringApplication.run(SpringBootWebApplication.class, args);
    }
}

MainController.java

package com.dirask.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;

import java.util.Map;

@Controller
public class MainController {

    // http://localhost:8080/
    @GetMapping("/")
    public String getIndex(Map<String, Object> model) {
        model.put("username", "Tom");
        return "home";
    }
}

 

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