<dependency>
  <groupId>org.apache.velocity</groupId>
  <artifactId>velocity-engine-core</artifactId>
  <version>使用人数最多的版本</version>
</dependency>

import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.context.Context;

import java.io.FileWriter;
import java.io.IOException;

/**
 * velocity 模板引擎
 *
 * @author JHL
 */
public class T {
    public static void main(String[] args) throws IOException {
        // velocity资源模板加载问题：https://blog.csdn.net/sivasoft/article/details/83233393
        VelocityEngine ve = new VelocityEngine();
        ve.setProperty("resource.loader", "class");
        ve.setProperty("class.resource.loader.class","org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
        ve.init();

        Template template = ve.getTemplate("templates/test.vm","UTF-8");

        // velocity模板渲染指令：https://blog.csdn.net/qq_42224683/article/details/110673499
        Context context = new VelocityContext();
        context.put("foo", "bar");
        context.put("customer", "dsads");

        FileWriter fileWriter = new FileWriter("C:\\Users\\ThinkPad\\Desktop\\ffmpeg-5.1-full_build\\test" +
                ".txt");

        template.merge(context, fileWriter);
        fileWriter.close();

    }
}