玩！上载图像并使它们可用于/assets/images [英] Play! upload images and make them available in production at /assets/images

问题描述

来自文档:

打包应用程序时，该应用程序的所有资产(包括所有子项目)都聚集在target/my-first-app-1.0.0-assets.jar中的单个jar中.该jar包含在分发中，因此您的Play应用程序可以为他们提供服务.该jar也可以用于将资产部署到CDN或反向代理.

When you package your application, all assets for the application, including all sub projects, are aggregated into a single jar, in target/my-first-app-1.0.0-assets.jar. This jar is included in the distribution so that your Play application can serve them. This jar can also be used to deploy the assets to a CDN or reverse proxy.

我的应用程序中上传了一些图片，在开发过程中一切正常，但在生产中却出现了错误.

I got a few image uploads in my application, everything works fine in development but in production it gives me errors.

问题是，我需要public/images文件夹中的那些文件才能在页面上显示它们，但在生产环境中不起作用.

The thing is, I need those files in the public/images folder in order to display them on the page but it does not work in production.

我如何让用户上传图像，并使它们在/public/images中可用?

How can I let the user upload images and also make them available at /public/images ?

我是否必须创建另一个Assets路径或类似的路径?

Do I have to create another Assets path or something like that ?

注意:之所以没有发布代码，是因为这只是文档中的标准上传方法.

note: Didn't post code because it's just a standard upload method from the docs.

推荐答案

我做了什么:

我知道这可能只是一个愚蠢的解决方法.

I'm aware of the fact that this might be just a stupid workaround.

GET         /images/:name                               controllers.ImageController.show(name: String)

我创建了一个简单的操作，用于提供类似以下内容的图像:

I created a simple action that serves the images like:

def show(name: String) = Action { implicit r =>
    val rootPath = Play.application.path
    val path = FileSystems.getDefault().getPath("/" + rootPath + "/public/images/");
    Logger.info("serving image: " + path.toString  + "/" + name )
    Ok.sendFile(new java.io.File(path.toString + "/" + name))
  }

基本上，整个操作在开发中将失败，但在生产中会起作用.

Basically this whole operation will fail in development but it works in production.

部署后，我手动创建了文件夹，例如

After deployment, I created the folders manually e.g

 your_root/target/universal/stage/public/images

现在所有图像都可以在以下位置获得:

Now all the images are available at:

 /images/name_of_the_image

注意:播放版本= 2.4.x

note: Play version = 2.4.x

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