ios 小画板功能 ：撤销擦除，橡皮擦，重画和回撤功能，支持保存图片，加载图片！-ios small sketchpad function: revocation erase, eraser, repaint and retracement functional support to save the image, load the image!

jQuery实现的类似刮刮乐的图片刮奖插件jquery.scratchie.js，通过这个插件你可以很容易实现图片上的擦除效果，经测试功能还不错，非常适合制作刮奖程序。 -jQuery to achieve a similar picture scratch scratch plugin jquery.scratchie.js, With this plugin you can easily erase the picture effect achieved by the test functi