模板引擎velocity 



Properties properties = new Properties();
properties.setProperty("resource.loader", "class");
properties.setProperty("class.resource.loader.class",
    "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
VelocityEngine velocityEngine = new VelocityEngine(properties);
        
VelocityContext context = new VelocityContext();
context.put("name", "VELOCITY");
        
String[] strList = {"abc","xyz"};
context.put("strList", strList);
        
List<Map<String,Object>> userList = new ArrayList<>();
Map<String,Object> map = new HashMap<>();
map.put("id", 1);
map.put("name", "dyyx");
userList.add(map);
        
map = new HashMap<>();
map.put("id", 2);
map.put("name", "tiger");
userList.add(map);
context.put("userList", userList);
        
StringWriter writer = new StringWriter();
velocityEngine.mergeTemplate("template/hello.vm", "utf8", context, writer);
System.out.println(writer);
        
       



模板文件
src/main/resources/template/hello.vm


#set( $name2 = "velocity")
hello , ${name2} <br>
hello , $name  <br>
#foreach( $item in $strList)
    $item <br>
#end
#foreach( $item in $userList)
    $item.id $item.name  <br>
#end


完整代码
https://gitee.com/dyyx/demos/blob/master/templatedemo/src/main/java/dyyx/VelocityDemo.java