iOS根据一张图片获取它的模糊效果图片

//根据一张图片获取它的模糊效果图片
+(UIImage *)getBlurredImage:(UIImage *)image
{
    float quality = .00001f;  //这2个参数可以自定义
    float blurred = 0.3f;
    NSData *imageData = UIImageJPEGRepresentation(image, quality);
    UIImage *blurredImage = [[UIImage imageWithData:imageData] blurredImage:blurred];
    return blurredImage;
}