Velocity第一个应用例子

执行的步骤

/**
* 1.Initialize Velocity. This applies to bothusage patterns for Velocity,
* the Singleton as well as the 'separateruntime instance' (see more on
* this below), and you only do this once.
* 2. Create a Context object (more on whatthat is later).
* 3.Add your data objects to the Context.
* 4. Choose a template. 
* 5. 'Merge' the template and your data toproduce the
ouput.
* 
* @throws
Exception
*/
Velocity.init("src/velocity.properties");使用的是相对路径，项目下的src下的
//2. Create a Context object
VelocityContext context = newVelocityContext();
//3.Add your data objects to this context
context.put("hello","HeloWorld");
context.put("who", "旗哥");
//4.Choose a template
Template template =Velocity.getTemplate("mytemplate.vm");
StringWriter sw = new StringWriter();
//5.Merge the template and you data toproduce the output
template.merge(context, sw);
sw.flush();
System.out.println(sw.toString());

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