使用下载地址

http://xxx.xxx.xxx/javadown/3214

location /javadown {
      internal;
      alias /home/datastore/coopDevelopment_online/upload;
      # 回调后台代理
      error_page 404 =200 @backend; 
 }
location @backend {
    #配置rewrite 跳到后台程序
     rewrite ^/javadown/(.*)$  /cooldev/resource/abc/$1 break; 
     proxy_pass http://192.168.2.165:8080;
     break; 
}```

#java代码

@ResponseBody
@RequestMapping(value="/abc/{resourceId}", method=RequestMethod.GET)
public Map<String, Object> abc(@PathVariable(value="resourceId") Long resourceId,
HttpServletResponse response,@RequestHeader(value="loginUserId") long loginUserId) {
try {
log.info("========>abc:"+resourceId);
log.info("========>loginUserId:"+loginUserId);
Resource res = resourcesService.findOne(resourceId);
if(null==res){
return this.getFailedMap("请求的资源不存在");
}
String projectId = "/936/";
response.setHeader("Content-Disposition", "attachment; filename="+res.getName());
response.setHeader("Content-Type","application/octet-stream");
response.setHeader("X-Accel-Redirect","/javadown"+projectId+res.getName());
log.info("=======>资源下载路径："+"/javadown"+projectId+res.getName());
return this.getSuccessMap(projectId+res.getName());
} catch (Exception e) {
e.printStackTrace();
return this.getFailedMap(e.getMessage());
}
}