我有一个非常令人沮丧的时间获取一些图像上传。他们显然是作为rack/multipart上传的,但是我对我的params hash进行迭代的方式肯定会导致问题。我真的可以使用一些帮助,所以我可以停止拉出我的头发。在参数哈希上迭代
所以我有params散列,看起来像这样:
Parameters: {"commit"=>"Submit", "sighting_report"=>[{"number_seen"=>"1", "picture"=>#<File:/var/folders/IX/IXXrbzpCHkq68OuyY-yoI++++TI/-Tmp-/RackMultipart.85991.5>, "species_id"=>"2"}], "authenticity_token"=>"u0eN5MAfvGWtfEzrqBt4qfrL54VJ9SGX0jFLZCJ8iRM=", "sighting"=>{"sighting_date(2i)"=>"6", "name"=>"", "sighting_date(3i)"=>"5", "county"=>"0", "notes"=>"", "location"=>"", "sighting_date(1i)"=>"2010", "email"=>""}}
我的形式可以在每个瞄准报告多张目击报告。这里是我的控制器代码:
def create_multiple
@report = Report.new
@report.name = params[:sighting]["name"]
@report.sighting_date = Date.civil(params[:sighting][:"sighting_date(1i)"].to_i, params[:sighting][:"sighting_date(2i)"].to_i, params[:sighting][:"sighting_date(3i)"].to_i)
@report.county_id = params[:sighting][:county]
@report.location = params[:sighting][:location]
@report.notes = params[:sighting][:notes]
@report.email = params[:sighting][:email]
@report.save!
@report.reload
for sr in params[:sighting_report] do
sighting = SightingReport.new
sighting.report_id = @report.id
sighting.species_id = sr[:species_id]
sighting.number_seen = sr[:number_seen]
sighting.save
if sr[:picture]
sighting.reload
for pic in sr[:picture] do
p = SpeciesPic.new
p.uploaded_picture = pic
p.species_id = sighting.species_id
p.report_id = @report.id
p.save!
end
end
end
redirect_to :action => 'new_multiple'
end
我似乎无法访问图片数据本身,但不断访问一些字符串。这不是文件名,但有一些奇怪的事情与逃脱的字符。我能做些什么来访问实际的数据?
那么你有什么问题? – 2010-06-06 10:27:33
抱歉没有真正说明我的问题!我已经在帖子底部陈述了我的问题。 – 2010-06-07 05:46:22