java无法将Apache Commons FileUpload与Spring Boot multipart一起使用。坚决地
我正在使用Spring Boot框架构建REST API。有一个端点,用户可以上传一个大文件(~1GB)。我正在使用Apache Commons文件上传中的Streaming API
我只想在该端点启用流媒体。因此,我将Spring Boot配置如下:
spring.servlet.multipart.enabled = true
spring.servlet.multipart.resolve-lazily = true
spring.servlet.multipart.max-file-size = 2GB
spring.servlet.multipart.max-request-size = 2GB
这是我的目标:
@PostMapping(path = "/import", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
public ResponseEntity<String> importData(HttpServletRequest request) throws IOException, FileUploadException {
System.out.println("Streaming...");
boolean isMultipart = ServletFileUpload.isMultipartContent(request);
if (!isMultipart) {
return ResponseEntity.badRequest().build();
}
ServletFileUpload upload = new ServletFileUpload();
FileItemIterator iterStream = upload.getItemIterator(request);
while (iterStream.hasNext()) {
System.out.println("Iterating...");
FileItemStream item = iterStream.next();
if (!item.isFormField()) {
String name = item.getFieldName();
System.out.println("Field name is: " + name);
try (InputStream uploadedStream = item.openStream();
OutputStream out = new FileOutputStream("file.zip")) {
IOUtils.copy(uploadedStream, out);
}
} else {
try (InputStream stream = item.openStream()) {
String formFieldName = item.getFieldName();
String formFieldValue = Streams.asString(stream);
System.out.println(String.format("Form field found - %s: %s", formFieldName, formFieldValue));
}
}
}
return ResponseEntity.ok("Data streamed successfully.");
}
调用该方法并执行代码。但是,FileItemIterator
是空的,没有执行while
循环
如果我设置spring.servlet.multipart.enabled = false
,这段代码可以完美地工作。但我不想这么做,因为正如我所说的,我不想全局禁用Spring Boot多部分解析器,但只在这个端点禁用
那么,我的代码怎么了?为什么FileItemIterator
是空的
谢谢你的帮助
共 (0) 个答案