Tag: 亚马逊 s3

如何通过Okhttp3和Android将文件上传到Amazon S3

我把我的服务器的响应与亚马逊的证书发送一个文件，像这样一个文件，amazon s3url（ https://exapmple-bucket.s3-us-west-2.amazonaws.com “）和json（”凭据“variables） ： “key”:”somecache${filename}”, “success_action_status”:”201″, “acl”:”public-read”, “policy:”lagrepolicy”, “x-amz-credential”:”somecredential2/s3/aws4_request\”, “x-amz-algorithm”:”some”, “x-amz-date”:”somedate”, “x-amz-signature”:”some” 然后，我必须上传这个数据的文件到amazon s3，我的测试代码在Kotlin（java代码几乎相同）： val requestBodyS3 = MultipartBody.Builder() .setType(MultipartBody.FORM) .addFormDataPart(“key”,credentials.getString(“key”)) .addFormDataPart(“success_action_status”, credentials.getString(“success_action_status”)) .addFormDataPart(“acl”,credentials.getString(“acl”)) .addFormDataPart(“policy”,credentials.getString(“policy”)) .addFormDataPart(“x-amz-credential”, credentials.getString(“x-amz-credential”)) .addFormDataPart(“x-amz-algorithm”, credentials.getString(“x-amz-algorithm”)) .addFormDataPart(“x-amz-date”, credentials.getString(“x-amz-date”)) .addFormDataPart(“x-amz-signature”, credentials.getString(“x-amz-signature”)) .addFormDataPart(“file”, “file”, RequestBody.create((MEDIA_TYPE_FILE), file)) .build() // val MEDIA_TYPE_FILE = MediaType.parse(“image/jpeg”) 我用这个代码收到的“文件”（来自图库）： intent.setType(“image/*”) startActivityForResult(intent, RC_CODE_PICK) .. onActivityResult: val selectedImage = data?.data val file […]