将图像从android上传到django

我以前问过这个问题，但没有得到答案。我想从android应用程序上传图像到django。这是我的android代码：

public void upload(String filepath) throws IOException{
 HttpClient httpclient = new DefaultHttpClient();
 HttpPost httppost = new HttpPost(SoberRequest.UPLOAD_IMAGE_URL);
 File file = new File(filepath);
 MultipartEntityBuilder builder = MultipartEntityBuilder.create();        
 builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);
 FileBody cbFile = new FileBody(file, "image/jpeg");
 builder.addPart("image", cbFile);
 HttpEntity mpEntity = builder.build();
 httppost.setEntity(mpEntity);
 httppost.setHeader("enctype", "multipart/form-data");
 HttpResponse response = httpclient.execute(httppost);
 HttpEntity entity = response.getEntity();
 ...

}

这是我的djnago代码，用于获取图像：

@csrf_exempt
def get_image(request):
    if request.method == "POST":
        destination_path = open("Images/filan.jpg", "wb+")
        print(request.FILES)
        image = request.FILES['image']
        destination_path.write(image)
        destination_path.close()
        json_data = {"status": SUCCESSFUL}
         return HttpResponse(json.dumps(json_data), mimetype=json_mimeType)
    else:
        json_data = {"status": ERROR}
        return HttpResponse(json.dumps(json_data), mimetype=json_mimeType)

但是当我打印request.FILES时，它是空的。但如果我打印request.body，我会看到一个名为“image”的字段，如下所示：b'--Z7unui4m0r4igQdqkvmj7DQ5rm46GmZDm\r\n内容配置：表单数据；name=“image”\r\n\r\n\xff\xd…。。如果我在android应用程序中设置标题如下：

 httppost.addHeader("Content-type", "multipart/form-data")

我在django中遇到另一个错误：“多部分中的无效边界：无”

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有什么问题吗？

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