在网站中保存和编辑图像时的常见方法是什么？
我正在使用 asp.net 构建一个网站，该网站将托管用户图像，并为他们提供通过调整大小、裁剪、水印等方式编辑这些图像的选项。
我正在考虑两种保存图像的方法，希望有人推荐一个或给我建议一些不同的更好的东西。
1-用户将上传他的图像，我会将它们放在一个名为“original”的文件夹中，然后用户将编辑这些图像，我会将编辑后的图像放在一个名为“edited”的文件夹中，还会有另一个名为“thumb”的文件夹将包含这些图像的缩略图，以便在网站上预览。
2-用户上传他的图像后，我会将它们放在一个文件夹中，我将保存他对这些图像所做的编辑，并且每次网站请求编辑后的图像时，我都会即时应用这些编辑，例如将发送由http处理程序生成的图像，这样我就可以节省服务器上的空间。
现在我想知道哪种方法更好
以及它是如何在 flikr 等网站中完成的，flikr 是否以不同尺寸保存图像或根据要求调整图像大小？
I am building a website using asp.net and this website will host users images and will give them options to edit these images by resizing, cropping, watermarking,....
I am thinking of 2 ways to save images and want someone to recommend one or advice me with something different better.
1- The user will upload his images, i will put them in a folder called "original" then the user will edit these image, i will put the edited images in a folder called "edited" also will have another folder called "thumb" will contain thumbnails from these images for previewing on the website.
2- After the user upload his images i will put them in a folder, and i will save the edits he did on these images and i will apply these edits on the fly every time the website request an edited image, for example will send the image by a http handler, like that i will save space on the server.
Now i want to know which approach is better
And how it's done in a website such as flikr, does flikr save the images in different sizes or resize them on request?
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第 1 条听起来像是正确的选择。也应该减少头痛。如果空间允许，一定保留原始图像。另外，如果您能够根据需要直接链接到编辑后的图像，请考虑使用此方法，而不是让脚本处理交付的每个图像。
Number 1 sounds like the way to go. Should cause fewer headaches too. Definately keep the original image if space allows. Also, consider that using this approach, if you'd be able to link directly to edited images if you wanted, rather than have a script process every image that gets delivered.