Struts FreeMaker result type

最新推荐文章于 2021-02-16 07:27:40 发布

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本文将展示如何使用FreeMarker作为视图技术来生成输出。通过定义模板文件和修改Struts配置，实现从外部传入参数并显示在页面上的功能。

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In this example we are going to see how we can use FreeMaker as the view technology. Freemaker is a popular templating engine that is used to generate output using predefined templates. Let us create a Freemaker template file called hello.fm with the following contents:

Hello World ${name}
Here above file is a template where name is a paramter which will be passed from outside using the defined action. You will keep this file in your CLASSPATH. Next, let us modify the struts.xml to specify the result as follows:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
   <constant name="struts.devMode" value="true" />
   <package name="helloworld" extends="struts-default">

      <action name="hello" 
         class="com.tutorialspoint.struts2.HelloWorldAction"
         method="execute">
         <result name="success" type="freemarker">
            <param name="location">/hello.fm</param>
         </result>
      </action>

   </package>

</struts>