我在请求正文中发送对象,类似这样:
{
"title":"test",
"description":"test",
"images":[]
}
@POST("create-data")
Call<JsonObject> publishData(@Body MyObject object);
没有图像也能正常工作。从文档中我可以找到如何使用 MultipartBody.Part
将文件上传到服务器,我的问题是:
- 如何同时上传多张图片?
- 是否可以发送对象内部的图像,或者我需要单独发送,如何发送?
非常感谢。
最佳答案
刚才向服务器请求成功
我引用了文章:
https://futurestud.io/blog/retrofit-2-how-to-upload-files-to-server
@Multipart
@POST("uploadHeadPic")
Call<UploadHeadPicResponseModel> uploadHeadPic(@Part MultipartBody.Part file, @Part("json") RequestBody json);
public void doUploadHeadPic(@NonNull String filePath) {
if (!MNetworkUtil.isNetworkAvailable()) {
MToastUtil.show("网络不能连接");
return;
}
File file = new File(filePath);
String json = new Gson().toJson(new UploadHeadPicRequestModel());
if (!file.exists()) {
MToastUtil.show("文件不存在");
return;
}
progressDialog.show();
avatarSimpleDraweeView.setEnabled(false);
MApiManager.getService().uploadHeadPic(
MultipartBody.Part.createFormData("file", file.getName(), RequestBody.create(MediaType.parse("multipart/form-data"), file)),
RequestBody.create(MediaType.parse("multipart/form-data"), json))
.enqueue(new OnRetrofitCallbackListener<UploadHeadPicResponseModel>(mActivity) {
@Override
public void onSuccess(UploadHeadPicResponseModel responseModel) {
progressDialog.dismiss();
avatarSimpleDraweeView.setEnabled(true);
if (responseModel != null) {
String serverAvatarUrl = responseModel.data.headPicPath;
if (!TextUtils.isEmpty(serverAvatarUrl)) {
UserModel userModel = MUserManager.getInstance().getUser();
if (userModel != null) {
userModel.setAvatarUrl(serverAvatarUrl);
MUserManager.getInstance().updateOrInsertUserInfo(userModel);
MToastUtil.show("上传头像成功");
}
}
}
}
@Override
public void onFailure(int status, String failureMsg) {
progressDialog.dismiss();
avatarSimpleDraweeView.setEnabled(true);
MToastUtil.show((TextUtils.isEmpty(failureMsg) ? "上传失败" : failureMsg) + " : " + status);
}
});
}
多文件更新
可能这会有所帮助,我没试过
@Multipart
@POST("uploadHeadPic")
Call<UploadHeadPicResponseModel> uploadHeadPic(@Part MultipartBody.Part file0, @Part MultipartBody.Part file1, @Part("json") RequestBody json);
public void doUploadHeadPic(@NonNull String filePath) {
MApiManager.getService().uploadHeadPic(
MultipartBody.Part.createFormData("file0", file0.getName(), RequestBody.create(MediaType.parse("multipart/form-data"), file0)),
MultipartBody.Part.createFormData("file1", file1.getName(), RequestBody.create(MediaType.parse("multipart/form-data"), file1)),
RequestBody.create(MediaType.parse("multipart/form-data"), json))
.enqueue(new OnRetrofitCallbackListener<UploadHeadPicResponseModel>(mActivity) {
@Override
public void onSuccess(UploadHeadPicResponseModel responseModel) {
}
@Override
public void onFailure(int status, String failureMsg) {
}
});
}
关于android - 改造 2 : send files with json object,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37254451/