我想从本地android库发送照片到服务器http Tomcat。对于我正在使用改造的通讯。我建立了设备和服务器之间的连接,并且程序进入了服务器功能,但params中的所有对象都是空的。翻新文件上传,服务器端的对象为空
这是在客户端设备函数声明:
@Multipart
@POST("/monument/photo/upload")
void addMonumentPhoto(@Part("MonumentID") Integer monumentId,
@Part("name") String name,
@Part("subscript") String subscript,
@Part("photo") TypedFile photo,
Callback<Photo> callback);
...这就是我把它叫做:
photo = _resizePhoto(new File(monument.getUriZdjecie()));
typedFile = new TypedFile("multipart/mixed", photo);
//long bytes = photo.length();
if (photo.exists()) {
MonumentsUtil.getApi().addMonumentPhoto(monument.getIdZabytek(),
"podpis",
"Main photo",
typedFile,
new Callback<Photo>() {
@Override
public void success(Photo aPhoto, Response response) {
monument.setUriZdjecie(aPhoto.getUri());
MonumentsUtil.getApi().addMonument(monument.getNazwa(),
monument.getOpis(),
monument.getDataPowstania(),
monument.getWojewodztwo(),
monument.getUriZdjecie(),
monument.getMiejscowosc(),
monument.getKodPocztowy(),
monument.getUlica(),
monument.getNrDomu(),
monument.getNrLokalu(),
monument.getKategoria(),
monument.getLatitude(),
monument.getLongitude(),
new MonumentsCallback());
}
@Override
public void failure(RetrofitError retrofitError) {
Log.e(TAG, retrofitError.getMessage());
}
});
}
和服务器的方法:
@RequestMapping(value = "/monument/photo/upload")
public
@ResponseBody
Photo requestMonumentPhotoAdd(@RequestParam(value = "MonumentID", required = false) Integer monumentId,
@RequestParam(value = "name", required = false) String name,
@RequestParam(value = "subscript", required = false) String subscript,
@RequestParam(value = "photo", required = false) MultipartFile file,
HttpServletRequest request) {
Photo photo = new Photo();
if (monumentId != null)
photo.setIdZabytek(monumentId);
photo.setUri(URL + "/images/" + name);
photo.setPodpis(subscript);
photo = monumentsRepo.addPhoto(photo);
String filePath = "D:\\Projects\\Images\\" + monumentId + "_" + photo.getIdZjecia();
if (file != null) {
if (!file.isEmpty()) {
try {
byte[] bytes = file.getBytes();
BufferedOutputStream stream =
new BufferedOutputStream(new FileOutputStream(new File(filePath)));
stream.write(bytes);
stream.close();
photo.setUri(filePath);
monumentsRepo.updatePhoto(photo);
return photo;
} catch (Exception e) {
return null;
}
} else {
return null;
}
}
else {
return null;
}
}
任何人都可以帮助我,解释为什么所有对象在geting到服务器方法后都是空的? 也许方法是wrogly书写或MIME字段的TypedFile是wrogly选择,但我读到,“多部分/混合”MIME类型是消息中包含各种类型的对象的消息。我没有任何想法,所以任何建议都会有所帮助。
我有同样的问题......你可以分享的解决方案,如果你知道它已经?谢谢! –
Yeaj任何解决方案? – Lion789
你应该按照这个[链接](http://stackoverflow.com/questions/30810829/uploading-compress-image-to-server-using-retrofit?answertab=votes#tab-top)上传照片 –