flutter dio upload image type application/octet-stream to image/jpeg
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MediaType? mediaType; if (_fileToUpload.path.endsWith('jpg') || _fileToUpload.path.endsWith('jpeg')) { mediaType = MediaType("image", "jpeg"); } else if (_fileToUpload.path.endsWith('png')) { mediaType = MediaType("image", "png"); } if (_fileToUpload.path.isNotEmpty) { // Create a FormData String fileName = basename(_fileToUpload.path); print("File Name : $fileName"); print("File Size : ${_fileToUpload.lengthSync()}"); print("File Type : $mediaType"); _formData = FormData.fromMap({ "product_images": await MultipartFile.fromFile(_fileToUpload.path, filename: fileName, contentType: mediaType) }); }解决方案就是更改contentType参数
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