关于Nvelocity的主要语法和一些代码示例

 context.Response.ContentType = "text/html";
            VelocityEngine vltEngine = new VelocityEngine();
            vltEngine.SetProperty(RuntimeConstants.RESOURCE_LOADER, "file");
            vltEngine.SetProperty(RuntimeConstants.FILE_RESOURCE_LOADER_PATH, System.Web.Hosting.HostingEnvironment.MapPath("~/templates"));//模板文件所在的文件夹
            vltEngine.Init();

            //匿名类 把类的定义和对象的声明初使化放到一起
            var news = new { Title = "ffff", Author = "AL", PostDate = "2013-11-8", Msg = "公布消息细节" };


            
            VelocityContext vltContext = new VelocityContext();
            vltContext.Put("people", news);//设置参数，在模板中可以通过$data来引用

            Template vltTemplate = vltEngine.GetTemplate("displayNews.htm");
            System.IO.StringWriter vltWriter = new System.IO.StringWriter();
            vltTemplate.Merge(vltContext, vltWriter);

            string html = vltWriter.GetStringBuilder().ToString();
            context.Response.Write(html); //输出html代码

　　下面是Html里的模板引擎的语法写法和C#很相似

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
</head>
<body>
#parse("head.htm")

$ps.tom

1:
<ul>
#foreach($mr in $MR)
<li>$mr</li>
#end
</ul>
2:
<ul>
    #foreach($prs in $persons)
    <li>$prs.Name 年龄是 $prs.Age</li>
    #end
</ul>

#if($age>10)
    大于10
#else
小于等于10
#end

3:
<ul>
#foreach($prs in $persons)
    #if($prs.Age>20)  
      <li style="color:Red">$prs.Name的年龄是$prs.Age</li>
      #else
        <li style="color:Black">$prs.Name的年龄是$prs.Age</li>
      #end
#end
</ul>
#parse("foot.htm")
</body>
</html>