Struts2整合Freemarker生成静态页面

 import java.io.BufferedWriter;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStreamWriter;import java.io.Writer;import java.util.Map;import javax.servlet.http.HttpServletRequest;import org.apache.struts2.ServletActionContext;import freemarker.template.Configuration;import freemarker.template.Template;import freemarker.template.TemplateException;public class MakeHtmlFromFTL { private Configuration freemarker_cfg = null; private String realpath;//文件存放的路径 private String dbpath;//保存到数据库的文件 public MakeHtmlFromFTL(String htmlFilePath){ dbpath = htmlFilePath; publicMethod = new PublicMethod();//公用方法类 realpath = ServletActionContext.getRequest().getRealPath(htmlFilePath); } public MakeHtmlFromFTL(){ } /** * 生成静态文件. * * @param templateFileName 模板文件名,相对htmlskin路径,例如"/tpxw/view.ftl" * @param propMap 用于处理模板的属性Object映射 * @param htmlFilePath 要生成的静态文件的路径,相对设置中的根路径,例如 "/tpxw/1/2005/4/" */ public String geneHtmlFile(String templateFileName, Map propMap,String templatePath,String saveFilename) { try { Template t = getFreeMarkerCFG(ServletActionContext.getRequest(),templatePath).getTemplate(templateFileName);// 根据模板名称，创建模板类 t.setEncoding("GBK"); File afile = new File(realpath + "/" + saveFilename); Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(afile),"GBK")); t.process(propMap, out); out.flush(); } catch (TemplateException e) { } catch (IOException e) { } return dbpath+"/"+saveFilename; } /** * 1)获取freemarker的配置. * 2)freemarker本身支持classpath, * 3)目录和从ServletContext获取. * @author jiangao * @return */ private Configuration getFreeMarkerCFG(HttpServletRequest request,String sTempPlateFilePath) { if (null == freemarker_cfg) { freemarker_cfg = new Configuration(); try { freemarker_cfg.setDirectoryForTemplateLoading(new File(request.getRealPath("/")+ sTempPlateFilePath)); } catch (Exception ex) { ex.printStackTrace(); } } return freemarker_cfg; } public String getDbpath() { return dbpath; } public void setDbpath(String dbpath) { this.dbpath = dbpath; } public String getRealpath() { return realpath; } public void setRealpath(String realpath) { this.realpath = ServletActionContext.getRequest().getRealPath(realpath); }}