ios 键盘自动上移

textField.delegate = self;


- (void)textFieldDidBeginEditing:(UITextField *)textField {
    //设置动画的名字
    [UIView beginAnimations:@"Animation" context:nil];
    //设置动画的间隔时间
    [UIView setAnimationDuration:0.3];
    //使用当前正在运行的状态开始下一段动画
    [UIView setAnimationBeginsFromCurrentState: YES];
    //设置视图移动的位移
    self.view.frame = CGRectMake(self.view.frame.origin.x, self.view.frame.origin.y - 60, self.view.frame.size.width, self.view.frame.size.height);
    //设置动画结束
    [UIView commitAnimations];
}

- (void)textFieldDidEndEditing:(UITextField *)textField {
    //设置动画的名字
    [UIView beginAnimations:@"Animation" context:nil];
    //设置动画的间隔时间
    [UIView setAnimationDuration:0.3];
    //使用当前正在运行的状态开始下一段动画
    [UIView setAnimationBeginsFromCurrentState: YES];
    //设置视图移动的位移
    self.view.frame = CGRectMake(self.view.frame.origin.x, self.view.frame.origin.y + 60, self.view.frame.size.width, self.view.frame.size.height);
    //设置动画结束
    [UIView commitAnimations];
}