[英]upload image with parameters, using angular-file-upload, carrierwave
请帮助我:我正在使用此指令angular-file-upload上传带有参数的单个图像:
uploader = $scope.uploader = new FileUploader(
url: '/recipes',
alias: 'cover',
removeAfterUpload: true,
#transformRequest: angular.identity,
headers: {'X-CSRF-TOKEN': csrf_token,'accept': 'application/json'},
withCredentials: true
)
uploader.onBeforeUploadItem = (item)->
#data = angular.toJSON($scope.recipe)
item.formData.push("recipe": angular.toJson($scope.recipe))
#item.upload()
console.info('uploader', $scope.uploader);
uploader.uploadAll()
这是创建动作:
def create
@recipe = current_user.recipes.new(params.require(:recipe).permit(:name,:instructions))
@recipe.user_id = current_user.id
@recipe.save
render 'show', status: 201
end
这是请求:
Started POST "/recipes" for 127.0.0.1 at 2015-12-06 20:29:20 +0100
Processing by RecipesController#create as JSON
Parameters: {"recipe"=>"{\"name\":\"cnfsl*k\",\"instructions\":\"mcdmùdsd\",\"ingredients\":[{\"id\":4,\"title\":\"sucre\"}]}", "cover"=>#<ActionDispatch::Http::UploadedFile:0xb42de9e8 @tempfile=#<Tempfile:/tmp/RackMultipart20151206-5852-txz5ls.jpg>, @original_filename="6.jpg", @content_type="image/jpeg", @headers="Content-Disposition: form-data; name=\"cover\"; filename=\"6.jpg\"\r\nContent-Type: image/jpeg\r\n">}
我有一个错误
undefined method `permit' for #<String:0xb40a6270>
有人可以帮我吗
您的params[:recipe]
不是hash
而是json
。 您需要先解析它。 尝试将这一行添加为create
动作的第一行:
params[:recipe] = JSON.parse params[:recipe]
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