velocity 模板

package core.test.velocity;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.List;

import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.runtime.RuntimeConstants;
import org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader;

/**
 * velocity 生成代码，还有其他的功能，email模板，自动生成代码，web前后台分离，转XML模板
 * @author chenyd
 * 2017年10月17日
 */
public class hellovelocity {
    
    public static void main(String[] args) throws IOException {
        // 初始化模板引擎
        VelocityEngine ve = new VelocityEngine();
         ve.setProperty(RuntimeConstants.RESOURCE_LOADER, "classpath");
         ve.setProperty("classpath.resource.loader.class", ClasspathResourceLoader.class.getName());
        ve.init();
        // 获取模板文件
        Template t = ve.getTemplate("core/test/velocity/hellovelocity.vm");
        // 设置变量
        VelocityContext ctx = new VelocityContext();
        ctx.put("name", "Velocity");
        ctx.put("flag", "true");
        List list = new ArrayList();
        list.add("1");
        list.add("2");
        ctx.put("list", list);
        // 输出
        File f=new File("E:/cyd/poject/maven/MSpringFrame/src/core/test/velocity/hellovelocity.txt");
        BufferedWriter bw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream(f)));
        t.merge(ctx,bw);
        System.out.println(bw.toString());
        bw.flush();
        bw.close();
    }
}

#set($greet = ‘hello‘)

$greet $name
 
#foreach($i in $list)
$i
#end

#if($flag)
    true
#elseif($flag)
    false    
#else
    
#end