commons-logging-1.0.4.jar
commons-lang-2.3.jar
commons-collections-3.2.jar
commons-beanutils-1.7.0.jar
json-lib-2.2.1-jdk15.jar
ezmorph-1.0.4.jar

 SqlSession sqlSession = sqlSessionFactory.openSession();
        userdto userx = sqlSession.getMapper(com.dto.userdto.class);
        user x = new user();
        List<user> listx=userx.UserPassword(x);

        //此处查看查询返回的结果集
        for(int i = 0; i < listx.size(); i++)
        {
            listx.get(i);
            System.out.println(listx.get(i).getPassword());
        }
        System.out.println("---------------测试JSON-----------------");

        //使用json时需要导入相关的jar包
        //测试生成json

        JSONArray jsonArray = JSONArray.fromObject(listx);
        System.out.println(jsonArray.toString());