From: Bin Bin <dkonetwork@...>
Date: 2009-08-10T18:10:48+09:00
Subject: Re: How do I upload an image with Sinatra (like Paperclip)?

Brian Candler wrote:
> Tony Tony wrote:
>> I need to upload an image from my local computer to a web server and
>> store the location in a database (similar to how Paperclip and
>> attachment_fu work) in Sinatra.
> 
> I don't know Paperclip or attachment_fu, but getting the attachment in 
> Sinatra is easy: you get an open tempfile that you read from.
> 
> Something like this (extracted from some working code but not tested in 
> isolation):
> 
>   post '/upload' do
>     unless params[:file] &&
>            (tmpfile = params[:file][:tempfile]) &&
>            (name = params[:file][:filename])
>       @error = "No file selected"
>       return haml(:upload)
>     end
>     STDERR.puts "Uploading file, original name #{name.inspect}"
>     while blk = tmpfile.read(65536)
>       # here you would write it to its final location
>       STDERR.puts blk.inspect
>     end
>     "Upload complete"
>   end
> 
> ---------
>   %h1 Upload
> 
>   %form{:action=>"/upload",:method=>"post",:enctype=>"multipart/form-data"}
>     %input{:type=>"file",:name=>"file"}
>     %input{:type=>"submit",:value=>"Upload"}

That is helpful.Thank u so much




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