FreeMarker + Spring Boot: Quick start
In this post, we will go through how to develop a Spring Boot web application using the FreeMarker template engine and package as an executable JAR file. You can download the source code at the end of this post.
Following technologies stack being used:
- Spring Boot 2.1.1.RELEASE
- Spring 5.1.3.RELEASE
- Maven 3
- JDK 1.8
- Eclipse Oxygen
- Free Maker
2)Maven/Dependency Management [pom.xml]
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.1.RELEASE</version>
<!-- lookup parent from repository -->
</parent>
<groupId>com.knowledgefactory</groupId>
<artifactId>springboot-freemaker</artifactId>
<packaging>jar</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>springboot-freemaker</name>
<description>Demo project for Spring Boot-Free Maker</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<!-- spring mvc, rest -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
3)Controller
package com.knowledgefactory.knowledgefactorydemo;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
@Controller
public class HomeController {
@GetMapping({ "/", "/welcome" })
public String hello(Model model) {
model.addAttribute("name", "knowledgefactory4upeoples@gmail.net");
return "index";
}
}
4)Spring Boot
package com.knowledgefactory.knowledgefactorydemo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class KnowledgefactorydemoApplication {
public static void main(String[] args) {
SpringApplication.run(KnowledgefactorydemoApplication.class, args);
}
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Hello ${name}!</title>
</head>
<body>
<h2 class="hello-title">Hello ${name}!</h2>
</body>
</html>
6)application. properties
spring.freemarker.template-loader-path: classpath:/templates
spring.freemarker.suffix: .ftl
$ mvn spring-boot:run
8)Test
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