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Spring Boot with JSP pages - simple app example
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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";
}
}