1
我有一個需求,在使用Base64編碼對zip文件進行編碼後,將zip文件發送到ROR應用程序。我應該解碼它,將它保存爲一個zip文件並解壓縮並執行一些操作。他們通過POST方法發送zip文件編碼數據作爲參數zip
。這裏是我在代碼中所做的。Base64編碼的字符串到文件(Ruby on Rails)
require 'rubygems'
require 'zip/zip'
require 'base64'
def get_pdf
encoded_data = Base64.decode64(params[:zip])
File.open("#{RAILS_ROOT}/zip_archive/zip_file.zip", "w") {|f| f.write encoded_data}
unzip_file("#{RAILS_ROOT}/zip_archive/zip_file.zip", "#{RAILS_ROOT}/unzipped/")
...(using @file_path, do stuff)
end
def unzip_file (file, destination)
destination = File.join(destination, File.basename(file, ".zip"))
Zip::ZipFile.open(file) { |zip_file|
zip_file.each { |f|
f_path=File.join(destination, f.name)
FileUtils.mkdir_p(File.dirname(f_path))
zip_file.extract(f, f_path) unless File.exist?(f_path)
}
}
@file_path = destination
end
但是,我無法正確保存zip文件。保存後的文件在解壓縮部分發生錯誤。
Zip::ZipError (Zip end of central directory signature not found):
rubyzip (0.9.4) lib/zip/zip.rb:1287:in `get_e_o_c_d'
rubyzip (0.9.4) lib/zip/zip.rb:1235:in `read_e_o_c_d'
rubyzip (0.9.4) lib/zip/zip.rb:1260:in `read_from_stream'
rubyzip (0.9.4) lib/zip/zip.rb:1392:in `initialize'
rubyzip (0.9.4) lib/zip/zip.rb:1392:in `open'
rubyzip (0.9.4) lib/zip/zip.rb:1392:in `initialize'
rubyzip (0.9.4) lib/zip/zip.rb:1410:in `new'
rubyzip (0.9.4) lib/zip/zip.rb:1410:in `open'
app/controllers/pdf_controller.rb:37:in `unzip_file'
app/controllers/pdf_controller.rb:13:in `get_pdf'
當我試圖打開的文件的應用還外,該文件沒有得到開說
[/home/prince/Desktop/test_project/zip_archive/zip_file.zip]
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
zipinfo: cannot find zipfile directory in one of /home/prince/Desktop/test_project/zip_archive/zip_file.zip or
/home/prince/Desktop/test_project/zip_archive/zip_file.zip.zip, and cannot find /home/prince/Desktop/test_project/zip_archive/zip_file.zip.ZIP, period.
我試着將文件保存與File.open("..", "wb")
寫在二進制模式的內容,但那麼也會發生相同的錯誤。在解碼之前我應該對params[:zip]
做些什麼嗎?
但我傳遞文件到一個塊並關閉塊。我已經讀過關閉該塊的文件也被關閉。無論如何,我會嘗試通過明確關閉文件。謝謝... – rubyprince 2011-03-17 11:25:27
已編輯答案 - 快速早晨回覆。是的,該塊將關閉該文件。我發佈它的例子起作用。 – 2011-03-17 11:26:55
nope.it也沒有工作... – rubyprince 2011-03-17 11:35:31