UITextField 的清空按钮 clearButton样式修改

UITextField清空按钮 clearButton
改变位置

- (CGRect)clearButtonRectForBounds:(CGRect)bounds
{
    return CGRectMake(bounds.origin.x + bounds.size.width - 60, 0, 60, 45);
}

改变图片

  UIButton *button =  [_tfPhone valueForKey:@"_clearButton"];
        [button setImage:[UIImage imageNamed:@"2"] forState:UIControlStateNormal];
        [button setImage:[UIImage imageNamed:@"2_pre"] forState:UIControlStateHighlighted];
        _tfPhone.clearButtonMode = UITextFieldViewModeAlways;