Ruby on rails 3 未定义的方法`原始文件名';上传
似乎无法确定为什么我会得到一个未定义的方法original_filename,尝试进行文件上传以检查文件扩展名。你知道我哪里做错了吗Ruby on rails 3 未定义的方法`原始文件名';上传,ruby-on-rails-3,ruby-on-rails-3.2,Ruby On Rails 3,Ruby On Rails 3.2,似乎无法确定为什么我会得到一个未定义的方法original_filename,尝试进行文件上传以检查文件扩展名。你知道我哪里做错了吗 class SpreadsheetTagService include Roo def initialize(uploaded_file) open_spreadsheet(File.new(uploaded_file.tempfile.path)) read_file(open_spreadsheet) end priva
class SpreadsheetTagService
include Roo
def initialize(uploaded_file)
open_spreadsheet(File.new(uploaded_file.tempfile.path))
read_file(open_spreadsheet)
end
private
def read_file(file)
@spreadsheet = open_spreadsheet(file)
@spreadsheet.each_with_pagename do |name,sheet|
Rails.logger.debug( sheet )
end
end
def open_spreadsheet(file)
case File.extname(file.path)
when ".csv" then Csv.new(file.path, nil, :ignore)
when ".xls" then Excel.new(file.path, nil, :ignore)
when ".xlsx" then Excelx.new(file.path, nil, :ignore)
else raise "Unknown file type: #{file.original_filename}"
end
end
end
控制器
class SpreadsheetServiceController < ApplicationController
def new
end
def create
parser = SpreadsheetTagService.new(params[:spreadsheet][:file])
respond_to do |format|
format.all {render :json => 'Done'}
end
end
end
class SpreadsheetServiceControllerDone'}
结束
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这一个对我有效,从raise exception中删除了#{file.original_filename}
,修改了代码以便正确保存文件扩展名:
class SpreadsheetTagService
include Roo
def initialize(uploaded_file)
ext = File.extname(uploaded_file.original_filename)
@tmp_destination = "#{Rails.root}/tmp/tag-import#{ext}"
@file_path = save_file_to_tmp(uploaded_file)
@file = File.new(@file_path)
read_file(@file)
end
private
def save_file_to_tmp(uploaded_file)
FileUtils.mv(uploaded_file.tempfile, @tmp_destination )
@tmp_destination
end
def read_file(file)
@spreadsheet = open_spreadsheet(file)
@spreadsheet.each_with_pagename do |name,sheet|
Rails.logger.debug( sheet )
end
end
def open_spreadsheet(file)
case File.extname(file.path)
when ".csv" then Csv.new(file.path, nil, :ignore)
when ".xls" then Excel.new(file.path, nil, :ignore)
when ".xlsx" then Excelx.new(file.path, nil, :ignore)
else raise "Unknown file type"
end
end
end
file.original\u filename
-original\u filename是什么意思?一个方法,一个属性?取决于,如果你真的需要引发这个错误,你必须保留它,但是你还必须写一个获取文件名的方法。如果你不关心这个错误,你可以删除它。@rmagnum2002我真的不需要提出这个错误。这就是我现在感到困难的地方。正在写入获取文件扩展名的方法。为了适应我所得到的,如果你删除这一行,一切都正常?@rmagnum2002我最初是这样做的,但是你会在L5上看到,这里的问题是,当我上传.csv
或任何其他格式时,当我想确定文件扩展名时,它将文件保存为import-tags.xls