键盘弹出

//通知

funcnotification(){

NSNotificationCenter.defaultCenter().addObserver(self, selector:#selector(HISModifyOrderVC.boardWillShow), name: UIKeyboardWillShowNotification, object:nil)

NSNotificationCenter.defaultCenter().addObserver(self, selector:#selector(HISModifyOrderVC.boardWillHide), name: UIKeyboardWillHideNotification, object:nil)

}

//键盘出现

funcboardWillShow(notification:NSNotification){

varuserInFo= NSDictionary()

userInFo = notification.userInfo!

varHeight = CGFloat()

Height = (userInFo.objectForKey(UIKeyboardFrameEndUserInfoKey)?.CGRectValue().size.height)!

tbView.frame = CGRectMake(0,0-Height, CGRectGetWidth(UIScreen.mainScreen().bounds), CGRectGetHeight(UIScreen.mainScreen().bounds)-50)

}

//键盘消失

funcboardWillHide(notification:NSNotification){

tbView.frame = CGRectMake(0, -30, CGRectGetWidth(UIScreen.mainScreen().bounds), CGRectGetHeight(UIScreen.mainScreen().bounds)-100)

}