button.imageEdgeInsets = UIEdgeInsetsMake(0,titleSize.width + interval, 0, -(titleSize.width + interval));
button.titleEdgeInsets = UIEdgeInsetsMake(0, -(imageSize.width + interval), 0, imageSize.width + interval);
button.titleLabel.backgroundColor = button.backgroundColor;
button.imageView.backgroundColor = button.backgroundColor;
//在使用一次titleLabel和imageView后才能正确获取titleSize
CGSize titleSize = button.titleLabel.bounds.size;
CGSize imageSize = button.imageView.bounds.size;
CGFloat interval = 1.0;
button.imageEdgeInsets = UIEdgeInsetsMake(0,titleSize.width + interval, 0, -(titleSize.width + interval));
button.titleEdgeInsets = UIEdgeInsetsMake(0, -(imageSize.width + interval), 0, imageSize.width + interval);
button.titleLabel.backgroundColor = button.backgroundColor;
button.imageView.backgroundColor = button.backgroundColor;
CGSize titleSize = button.titleLabel.bounds.size;
CGSize imageSize = button.imageView.bounds.size;
CGFloat interval = 1.0;
[button setImageEdgeInsets:UIEdgeInsetsMake(0,0, titleSize.height + interval, -(titleSize.width + interval))];
[button setTitleEdgeInsets:UIEdgeInsetsMake(imageSize.height + interval, -(imageSize.width + interval), 0, 0)];