ios开发学习-手势交互(Gesture)成效源码分享
ios开发学习-手势交互(Gesture)效果源码分享
http://www.cnblogs.com/aimeng/archive/2012/11/25/2787304.html
http://www.cnblogs.com/aimeng/archive/2012/11/25/2787304.html