1
我有一个问题,回形针和轨道4 当上传的图像,我得到以下错误:轨道4回形针:缺少必需的attr_accessor
Image model missing required attr_accessor for 'pic_file_name'
当添加推荐attr_accessors
attr_accessor :pic_file_name
attr_accessor :pic_content_type
attr_accessor :pic_file_size
attr_accessor :pic_updated_at
该记录已保存,但:pic列为空,没有上传任何内容。
我也试过白名单:pic_file_name
private
# Use callbacks to share common setup or constraints between actions.
def set_image
@image = Image.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def image_params
params.require(:image).permit(:title, :pic, :pic_file_name)
end
,但没有成功。
任何想法这里有什么错?
你的意思是模型? – DonMB