学步园

要生成静态页面，在网上找的，稍微修改了一下，还不错，呵呵。
FreeMarker这个东西还算是可以的，我觉得还是比JSP要清晰一些。

引用
import java.io.*;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import freemarker.template.*;
/*
* Created on 2005-4-7
*
*/
/**
* 测试FreeMarker.
*
* @author scud
*
*/
public class FreeMarkerTest
{
        private final Log logger = LogFactory.getLog(getClass());
       
        private Configuration freemarker_cfg = null;
       
       
       
        public static void main(String[] args)
        {
            //@todo 自己的一个类
            NewsItem aItem = null;
           
            //@todo 装入新闻
            //NewsItem = loadNewsItem(1);
               
            FreeMarkerTest test = new FreeMarkerTest();
           
            Map root = new HashMap();
            root.put("newsitem", aItem);
            String sGeneFilePath = "/tpxw/";
           
            String sFileName = "1.htm";
            boolean bOK = test.geneHtmlFile("/tpxw/view.ftl",root, sGeneFilePath,sFileName);
           
        }
       
        /**
         * 获取freemarker的配置. freemarker本身支持classpath,目录和从ServletContext获取.
         */
        protected Configuration getFreeMarkerCFG()
        {
            if (null == freemarker_cfg)
            {
                // Initialize the FreeMarker configuration;
                // - Create a configuration instance
                freemarker_cfg = new Configuration();
                // - FreeMarker支持多种模板装载方式,可以查看API文档,都很简单:路径,根据Servlet上下文,classpath等等
               
                //htmlskin是放在classpath下的一个目录
                freemarker_cfg.setClassForTemplateLoading(this.getClass(), "/htmlskin");
            }
           
            return freemarker_cfg;
        }
        /**
         * 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/"
         * @param htmlFileName 要生成的文件名,例如 "1.htm"
         */
        public boolean geneHtmlFile(String templateFileName,Map propMap, String htmlFilePath,String htmlFileName )
        {
               //@todo 从配置中取得要静态文件存放的根路径:需要改为自己的属性类调用
            String sRootDir = "e:/webtest/htmlfile" ;
           
            try
            {
                Template t = getFreeMarkerCFG().getTemplate(templateFileName);
                //如果根路径存在,则递归创建子目录
                creatDirs(sRootDir,htmlFilePath);
               
                File afile = new File(sRootDir +"/" +htmlFilePath + "/" + htmlFileName);
                Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(afile)));
                t.process(propMap, out);
            }
            catch (TemplateException e)
            {
                logger.error("Error while processing FreeMarker template " + templateFileName,e);
                return false;
            }
            catch (IOException e)
            {
                logger.error("Error while generate Static Html File " + htmlFileName,e);
                return false;
            }
            return true;
        }
       
       
        /**
         * 创建多级目录
         *
         * @param aParentDir String
         * @param aSubDir  以 / 开头
         * @return boolean 是否成功
         */
        public static boolean creatDirs(String aParentDir, String aSubDir)
        {
            File aFile = new File(aParentDir);
            if (aFile.exists())
            {
                File aSubFile = new File(aParentDir + aSubDir);
                if (!aSubFile.exists())
                {
                    return aSubFile.mkdirs();
                }
                else
                {
                    return true;
                }
            }
            else
            {
                return false;
            }
        }   

   
}