键盘弹出 使界面上移

   [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillChange:) name:UIKeyboardWillChangeFrameNotification object:nil];

/**
 *  键盘发生改变执行
 */
- (void)keyboardWillChange:(NSNotification *)note
{
    NSLog(@"%@", note.userInfo);
    NSDictionary *userInfo = note.userInfo;
    CGFloat duration = [userInfo[@"UIKeyboardAnimationDurationUserInfoKey"] doubleValue];
    
    CGRect keyFrame = [userInfo[@"UIKeyboardFrameEndUserInfoKey"] CGRectValue];
    CGFloat moveY = keyFrame.origin.y - self.view.frame.size.height;
    
    [UIView animateWithDuration:duration animations:^{
        self.view.transform = CGAffineTransformMakeTranslation(0, moveY);
    }];
}