默認情況下，不設置的效果，都使居中現實，button為150＊150

    [self setTitleEdgeInsets:UIEdgeInsetsMake( -80.0,-backGroundImag.size.width, 0.0,0.0)];

    [self setImageEdgeInsets:UIEdgeInsetsMake(0.0, 0.0,0.0, -self.titleLabel.bounds.size.width)];

over！

摘自 Annie的專欄