FreeMarker的例子

 定义模板：

package com.media.dao; 
 
import java.util.List; 
 
import com.media.bean.${model_name}; 
import com.media.exceptions.DAOException; 
 
/**
 * ${model_name_cn}接口 
 * 
 * @author ${author}
 * @link ${link}
 * 
 * @version $Revision: 1.00 $ $Date: ${date?string("yyyy-MM-dd HH:mm:ss")}
 */ 
public interface I${model_name}DAO extends IGenericDAO<${model_name}>{ 
     
    /**
     * 根据${model_name_cn}编号查找${model_name_cn}信息
     * 
     * @param ${instant}Id ${model_name_cn}编号
     * @return ${model_name} ${model_name_cn}对象
     * @throws DAOException
     */  
    public ${model_name} find${model_name}ById(Long ${instant}Id) throws DAOException; 
     
    /**
     * 批量物理删除${model_name_cn}(不可恢复)
     * @param ${instant}Ids  ${model_name_cn}编号
     * @throws DAOException
     */ 
    public void delete${model_name_list}(Long[] ${instant}Ids) throws DAOException; 
     
    /**
     * 物理删除${model_name_cn}(不可恢复)
     * @param ${instant}Id  ${model_name_cn}编号
     * @throws DAOException
     */ 
    public void delete${model_name}(Long ${instant}Id) throws DAOException; 
     
    /**
     * 保存${model_name_cn}
     * @param ${instant}
     * @throws DAOException
     */ 
    public void save${model_name}(${model_name} ${instant}) throws DAOException; 
     
    /**
     * 更新${model_name_cn}
     * @param ${instant}
     * @throws DAOException
    */ 
    public void update${model_name}(${model_name} ${instant}) throws DAOException; 
     
    /**
     * 利用hql语句查询${model_name_cn}信息
     * @param hsql
     * @throws DAOException
     */ 
    public List<${model_name}> find${model_name_list}(String hsql) throws DAOException; 
     
    /**
    * 利用hql语句查询${model_name_cn}信息
     * @param hsql
    * @throws DAOException
    */ 
   public List<${model_name}> find${model_name_list}(String hsql,Object[] params) throws DAOException;  
} 

输出内容：

package com;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import freemarker.template.Configuration;
import freemarker.template.Template;

public class FreeMarkerUtil {

    private Configuration cfg;

    public void init() throws Exception {
 // 初始化FreeMarker配置
 // 创建一个Configuration实例
 cfg = new Configuration();
 // 设置FreeMarker的模版文件位置
 cfg.setDirectoryForTemplateLoading(new File(System
  .getProperty("user.dir") + "\\template"));
    }

    public void process(FreeMarkerUtil hf) throws Exception {

 Map root = new HashMap();

 String Module = "";
 String model_name = "User";
 String model_name_list = "Users";
 String instant = "user";
 String model_name_cn = "用户";
 String author = "xxxx";
 String link = "<a href=http://www.xxxx.com.cn>xxxx</a>";
 Date date = new Date();

 root.put("module", Module);
 root.put("model_name", model_name);
 root.put("model_name_list", model_name_list);
 root.put("instant", instant);
 root.put("model_name_cn", model_name_cn);
 root.put("author", author);
 root.put("link", link);
 root.put("date", date);

 String projectPath = "D://Testout//";

 String fileName = "I" + model_name + "DAO.java";

 String savePath = "src//com//media//dao//";

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

 hf.buildTemplate(root, projectPath, savePath, fileName, template);

    }

    public void buildTemplate(Map root, String projectPath, String savePath,
     String fileName, Template template) {
 String realFileName = projectPath + savePath + fileName;

 String realSavePath = projectPath + "/" + savePath;

 File newsDir = new File(realSavePath);
 if (!newsDir.exists()) {
     newsDir.mkdirs();
 }

 try {
     // SYSTEM_ENCODING = "UTF-8";
     Writer out = new OutputStreamWriter(new FileOutputStream(
      realFileName));

     template.process(root, out);
 } catch (Exception e) {
     e.printStackTrace();
 }

    }

    public static void main(String[] args) throws Exception {
 FreeMarkerUtil hf = new FreeMarkerUtil();
 hf.init();
 hf.process(hf);
    }

}