Spring:在上下文根之外提供静态资源 [英] Spring : serving static resources outside context root

问题描述

在网络应用程序中，我需要提供位于应用程序上下文目录之外的静态内容(图像).整体应用架构需要我使用Tomcat来执行.我想我可以从 Spring 的 <mvc:resources> 中受益，以配置应用程序 URL 和目录内容之间的映射.但 AFAIK 它的 mapping 属性仅处理上下文相关或类路径映射.因此，我想使用什么:

in a web app, I need to serve static contents (images) located outside the application context directory. The overall application architecture requires me to use Tomcat to perform this. I thought I could benefit from Spring's <mvc:resources> to configure a mapping between application URLs and directory contents. But AFAIK it's mapping attribute only handles context relative, or classpath mappings. Hence, what I'd like to use :

<mvc:resources location="/images/**" mapping="/absolute/path/to/image/dir"/>

不起作用.由于我宁愿避免编写一个简单的文件传输 servlet，如果有人能就现有的基于 Spring 的解决方案/变通方法给我一些建议，我会很高兴.

doesn't work. As I'd rather avoid writing a simple file transfer servlet, I'd be glad if anyone could give me some pointers on existing Spring based solutions/workarounds.

非常感谢.

荷马

推荐答案

可以从外部提供资源，需要使用通常的 Spring资源路径语法:

<mvc:resources> can serve resources from the outside, you need to use the usual Spring resource path syntax:

<mvc:resources mapping="/images/**" location="file:/absolute/path/to/image/dir/"/> 

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