【Freemarker】之初识（demo）-CFANZ编程社区

【Freemarker】之初识（demo）

1。简单demo
2。简单生成html
3。Freemarker模块注入

预备：

凡凡使用maven创建项目，使用freemarker，直接在pom.xml中直接添加依赖，再刷新即可。

依赖来源：http://freemarker.org/freemarkerdownload.html

<dependency>
  <groupId>org.freemarker</groupId>
  <artifactId>freemarker-gae</artifactId>
  <version>2.3.26-incubating</version>
</dependency>

【Freemarker】之初识（demo）_freemarker

【Freemarker】之初识（demo）_maven_02

【Freemarker】之初识（demo）_freemarker_03

简单Demo：

demo①

【Freemarker】之初识（demo）_maven_04

demo②

【Freemarker】之初识（demo）_xml_05

简单生成html：

index.jsp

【Freemarker】之初识（demo）_html_06

LoginServlet.java

【Freemarker】之初识（demo）_freemarker_07

@WebServlet(name = "LoginServlet")
public class LoginServlet extends HttpServlet
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doGet(request, response);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String username = request.getParameter("username");
        String userpawd = request.getParameter("userpawd");

        Configuration cfg = new Configuration(Configuration.VERSION_2_3_26);

        cfg.setServletContextForTemplateLoading(getServletContext(), "/template");;

        Map<String, String> rootMap = new HashMap<String, String>();
        rootMap.put("username", username);
        rootMap.put("userpawd", userpawd);

        try {

            Template template = cfg.getTemplate("index.ftl");

            response.setContentType("text/html; charset=utf-8 ");

            Writer out = response.getWriter();

            template.process(rootMap, out);

        }catch(IOException e) {
            e.printStackTrace();
        }catch(TemplateException t) {
            t.printStackTrace();
        }
    }
}