Retrofit上传头像

			简单的一个固定的地址图片上传

1.API

@Multipart
@POST("file/upload")
Call<Result<String>> loadTou(@Part List<MultipartBody.Part> partList);

2.P层

public void showTouXinag(){
        String path="mnt/sdcard/DCIM/Camera/IMG_20171119_184136.jpg";
        File file=new File(path);
        if(!file.exists()){
            try {
                file.createNewFile();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        String token="4E2388C1DB8C507D9320BCE7D54E62EE";
        String uid="672";
        MultipartBody.Builder builder=new MultipartBody.Builder()
                .setType(MultipartBody.FORM);
        RequestBody imageBody=RequestBody.create(MediaType.parse("mulitpart/form-data"),file);
        builder.addFormDataPart("uid",uid);
        builder.addFormDataPart("token",token);
        builder.addFormDataPart("file",file.getName(),imageBody);
        List<MultipartBody.Part> parts=builder.build().parts();
       model.setloginTouData().loadTou(parts).enqueue(new Callback<Result<String>>() {
           @Override
           public void onResponse(Call<Result<String>> call, Response<Result<String>> response) {
               Log.i("----成功------", "onResponse: "+response.body().toString());
           }

           @Override
           public void onFailure(Call<Result<String>> call, Throwable t) {
               Log.i("----失败------", "Throwable: "+t.getMessage());
           }
       });
    }