Freemarker programmer

//从什么地方加载freemarker模板文件
        cfg.setTemplateLoader(new ClassTemplateLoader(DynaFormFunction.class,"templates"));
       
        //设置异常处理器
        cfg.setTemplateExceptionHandler(TemplateExceptionHandler.IGNORE_HANDLER);

 

 

.<#escape x as x!""></#escape>可以对所有的变量进行空值处理，这里是全部替换为空字符串。当然也可以替换为其它字符串。
如果其中某些变量不需要这种替换，可以加入<#noescape></#noescape>标签。

 

 

 

 <servlet>
    <servlet-name>freemarker</servlet-name>
    <servlet-class>freemarker.ext.servlet.FreemarkerServlet</servlet-class>
   
    <!-- FreemarkerServlet settings: -->
    <init-param>
      <param-name>TemplatePath</param-name>
      <param-value>/</param-value>
    </init-param>
    <init-param>
      <param-name>NoCache</param-name>
      <param-value>true</param-value>
    </init-param>
    <init-param>
      <param-name>ContentType</param-name>
      <param-value>text/html</param-value>
    </init-param>
   
    <!-- FreeMarker settings: -->
    <init-param>
      <param-name>template_update_delay</param-name>
      <param-value>0</param-value> <!-- 0 is for development only! Use higher value otherwise. -->
    </init-param>
    <init-param>
      <param-name>default_encoding</param-name>
      <param-value>utf-8</param-value>
    </init-param>
   
    <init-param>
      <param-name>locale</param-name>
      <param-value>zh_CN</param-value>
    </init-param>
    <init-param>
      <param-name>number_format</param-name>
      <param-value>0.##########</param-value>
    </init-param>
   
    <load-on-startup>1</load-on-startup>
  </servlet>
 
  <servlet-mapping>
    <servlet-name>freemarker</servlet-name>
    <url-pattern>*.ftl</url-pattern>
  </servlet-mapping>

 

 

 

protected void doGet(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
        req.setAttribute("message", "Hello Worldmyasasa哈哈哈哈!");
        req.getRequestDispatcher("/test.ftl").forward(req, resp);
       
    }