上传多张图片

Question

我试图上传相同的图像在同一个迭代两次。不知道为什么，但是下面的代码只上传了第一次save()。第二，我仍然在目录中的文件，但图像有0字节

path_for_images_large = os.path.join(current_app.static_folder, "uploads/gallery/"+str(company.id)+"/large/")
path_for_images_small = os.path.join(current_app.static_folder, "uploads/gallery/"+str(company.id)+"/small/")

---

if request.method == 'POST':
    for key, f in request.files.items():
        if key.startswith('file'):
            f.save(os.path.join(path_for_images_small, f.filename))
            f.save(os.path.join(path_for_images_large, f.filename))

Answer 1

在第一次保存之后，您就到了文件的末尾，没有什么要写的了，请键入f.seek(0)移到开头

    f.save(os.path.join(path_for_images_small, f.filename))
    f.seek(0)    
    f.save(os.path.join(path_for_images_large, f.filename))