iOS第三方解决键盘遮挡－IQKeyboardManager

  百度云：http://pan.baidu.com/s/1yg5ae

 githun:https://github.com/hackiftekhar/IQKeyboardManager

 AppDelegate中添加：

[[IQKeyboardManager sharedManager] setToolbarManageBehaviour:IQAutoToolbarByPosition]; //输入框自动上移