准备工作:http://blog.youkuaiyun.com/passball/article/details/7661887/ 编程实现:http://blog.youkuaiyun.com/zhongshijunacm/article/details/52006552 源代码下载:http://download.youkuaiyun.com/detail/ls20121006/9827797 零基础逐句理解……