freemarker

package com; import java.io.*; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import freemarker.template.Configuration; import freemarker.template.Template; import freemarker.template.TemplateException; public class FreeMarkerServlet extends HttpServlet { private static final long serialVersionUID = 1L; private Configuration cfg; public void init() { // Initialize the FreeMarker configuration; // - Create a configuration instance cfg = new Configuration(); // - Templates are stoted in the WEB-INF/templates directory of the Web // app. cfg.setServletContextForTemplateLoading(getServletContext(), "WEB-INF/templates"); // In a real-world application various other settings should be // explicitly // set here, but for the sake of brevity we leave it out now. See the // "webapp2" example for them. } protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { // Build the data-model Map root = new HashMap(); List bookList = new ArrayList(); Book book = new Book(); book.setBookName("Struts2 基于WebWork核心的MVC开发"); book.setPrice(new Float("98")); book.setAuthor("李刚"); book.setUrl("http://www.baidu.com"); Book myBook = new Book(); myBook.setBookName("Spring2.0"); myBook.setAuthor("李刚"); myBook.setPrice(new Float("50.5")); myBook.setUrl("http://www.google.com"); bookList.add(book); bookList.add(myBook); root.put("bookList", bookList); // book.setAuthor("author"); // Get the templat object Template t = cfg.getTemplate("test.ftl"); // Prepare the HTTP response: // - Use the charset of template for the output // - Use text/html MIME-type resp.setContentType("text/html; charset=" + t.getEncoding()); Writer out = resp.getWriter(); // Merge the data-model and the template try { t.process(root, out); } catch (TemplateException e) { throw new ServletException( "Error while processing FreeMarker template", e); } } }