uibutton图片在上，文字在下。 图片在左 文字在右

 //文字在左，图片在右

    

    CGFloat imageWidth = self.button.imageView.frame.size.width;

    CGFloat labelWidth = self.button.titleLabel.frame.size.width;

    self.button.imageEdgeInsets = UIEdgeInsetsMake(0, labelWidth, 0, -labelWidth);

    self.button.titleEdgeInsets = UIEdgeInsetsMake(0, -imageWidth, 0, imageWidth);

     

    

    //图片在上，文字在下

    CGFloat imageHeight = self.button.imageView.frame.size.height;

    CGFloat imageWidth = self.button.imageView.frame.size.width;

    CGFloat labelWidth = self.button.titleLabel.frame.size.width;

    [self.button setTitleEdgeInsets:UIEdgeInsetsMake(imageHeight+ 20 ,-imageWidth , 0.0,0.0)];//文字距离上边框的距离增长imageView的高度，距离左边框减小imageView的宽度，距离下边框和右边框距离不变

    [self.button setImageEdgeInsets:UIEdgeInsetsMake(0.0, 0.0,0.0, -labelWidth)];//图片距离右边框距离减小图片的宽度，其它不边