UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.backgroundColor = kRandomColor;
button.tag = i + addTag;
button.frame = CGRectMake(kScreenWidth / 3 * i, 0, kScreenWidth / 3, 50);
//首先设置需要显示的文字和图片
[button setTitle:titleArray[i] forState:UIControlStateNormal];
[button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[button setImage:image forState:UIControlStateNormal];
//再将文字和图片进行偏移处理
//这里+3和-3是需要文字和图片有一定的间隔
[button setTitleEdgeInsets:UIEdgeInsetsMake(0, -image.size.width, 0, image.size.width)];
[button setImageEdgeInsets:UIEdgeInsetsMake(0, button.titleLabel.bounds.size.width+3, 0, -button.titleLabel.bounds.size.width-3)];
//自己去将图片进行修改
- (UIImage *)scaleToSize:(UIImage *)img size:(CGSize)size{
// 创建一个bitmap的context
// 并把它设置成为当前正在使用的context
UIGraphicsBeginImageContext(size);
// 绘制改变大小的图片
[img drawInRect:CGRectMake(0, 0, size.width, size.height)];
// 从当前context中创建一个改变大小后的图片
UIImage* scaledImage = UIGraphicsGetImageFromCurrentImageContext();
// 使当前的context出堆栈
UIGraphicsEndImageContext();
// 返回新的改变大小后的图片
return scaledImage;
}
