String.format()方法使用说明
见文章:http://blog.csdn.net/thc1987/article/details/17528093
见文章:http://blog.csdn.net/lonely_fireworks/article/details/7962171/
见文章:http://blog.csdn.net/thc1987/article/details/17528093
见文章:http://blog.csdn.net/lonely_fireworks/article/details/7962171/