Spring Boot服务下载文件 [英] Spring boot service to download a file

问题描述

我想使用Spring Boot创建一个Restful服务，该服务将下载位于服务器http:8080/someurl/{fileid}上的jar.我该怎么办?

I want to create a restful service using spring boot which will download a jar located at the server http:8080/someurl/{fileid}. How should I do it?

推荐答案

    @RequestMapping(value = "/files/{fileID}", method = RequestMethod.GET)
    public void getFile(
        @PathVariable("fileID") String fileName, 
        HttpServletResponse response) throws IOException {
            String src= DestLocation.concat("\\"+fileName+".jar");
            InputStream is = new FileInputStream(src);
            IOUtils.copy(is, response.getOutputStream());
            response.flushBuffer();
    }

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