在使用浏览器浏览网页时，有时会遇到文字跟随的网页特效，鼠标移到哪网上的浮动文字就跟随到哪。本实例就是在应用程序中模仿这个特效。-Sometimes encounter pages of text to follow the special effects in the web browser, mouse over floating text on which online follow where. This instance is to mimic the effects in the ap