如何在 Spring MVC 中处理 IO 流
How to handle IO streams in Spring MVC
我有一个方法 returns ResponseEntity(InputStreamResource)。在此方法中，我根据文件名输入从文件中获取 InputStream，然后将 InputStreamResource 作为响应发送。
代码片段
InputStream inputStream = ...;
ResponseEntity<InputStreamResource> response = new ResponseEntity<InputStreamResource>(new InputStreamResource(inputStream), headers, HttpStatus.OK);
return response;
这里需要关闭inputStream对象吗？如果我这样做，我会得到
IllegalStateException: Closed message. Do I need to explicitly close them or container will take care.
处理此问题的基础 class 是 ResourceHttpMessageConverter and it closes the underlying input stream as is evident from here
我有一个方法 returns ResponseEntity(InputStreamResource)。在此方法中，我根据文件名输入从文件中获取 InputStream，然后将 InputStreamResource 作为响应发送。
代码片段
InputStream inputStream = ...;
ResponseEntity<InputStreamResource> response = new ResponseEntity<InputStreamResource>(new InputStreamResource(inputStream), headers, HttpStatus.OK);
return response;
这里需要关闭inputStream对象吗？如果我这样做，我会得到
IllegalStateException: Closed message. Do I need to explicitly close them or container will take care.
处理此问题的基础 class 是 ResourceHttpMessageConverter and it closes the underlying input stream as is evident from here