我想要回形针将图片上传到s3从表单提交我的节日模型,但我收到未经许可的参数:图像。错误回形针未经允许的参数:图片
我检查了强烈的参数,模型内容验证并无法通过回形针文档阅读。
我想我缩小了问题的范围,直到我的发布请求数据库无法处理被分配给festival.image的File对象,但无法弄清楚我将如何在发布请求中表示这个问题。
我正在捕获轨道中的数据,在前端的导轨上使用反应,Rails作为后端。我跟着这个示例代码https://github.com/carlbaron/react-file-upload-demo
我也使用React-dropzone捕获上传的文件,它添加了图像预览的预览属性。
一直呆在这一段时间了,任何帮助非常感谢!
初发布请求印刷的安慰
Processing by FestivalsController#create as JSON
Parameters: {"festival"=>{"fest_name"=>"Test Festival", "image"=>{"preview"=>"blob:http://localhost:5000/76b95cb5-45bf-46a9-ba7b-f5b9ad127521"}}}
| Unpermitted parameter: image
经由Axios公司打印到控制台 POST请求发送到DB 节对象
postFestival(festival) {
let config = {
responseType: 'json',
processData: false,
contentType: false,
headers: ReactOnRails.authenticityHeaders(),
};
let str = JSON.stringify(festival);
console.log("ENTITY IS " + str);
//returns
//ENTITY IS {"fest_name":"Test Festival","image":{"preview":"blob:http://localhost:5000/76b95cb5-45bf-46a9-ba7b-f5b9ad127521"}}
return(
request.post('/festivals/create', {festival}, config)
);
},
节.rb
class Festival < ApplicationRecord
has_attached_file :image, default_url: "/assets/ASOT-COVER.png"
validates_attachment :image,
content_type: { content_type: ["image/jpeg", "image/gif", "image/png"] }
end
节日控制器
def create
@festival = Festival.create(festival_params)
puts "festival.image =" + @festival.image.inspect
#returns = festival.image =#<Paperclip::Attachment:0x007fc288868bf0 @name=:image, @name_string="image", @instance=#
if @festival.save
puts "Festival SAved = + " + @festival.inspect
#returns the festival object saved to the DB minus the image param
else
respond_to do |format|
format.json { render json: @festival.errors, status: :unprocessable_entity}
puts "ERROR = " + @festival.errors.inspect
end
end
private
def festival_params
params.require(:festival).permit(:fest_name, :fest_organizer, :fest_location,
:fest_date, :fest_url, :fest_venue, :fest_description,
:image)
end
end
谢谢,这摆脱了未经许可的参数错误!现在我得到了Paperclip No Handler Error for {“preview”=>“blob:http:// localhost:5000/76b95cb5-45bf-46a9-ba7b-f5b9ad127521”}但是来自其他堆栈溢出问题将Im没有传递正确班到回形针,所以我会试图在我回家时看看这个! – monopolyman