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2.2和raisl 4.1。我試圖從用戶那裏讀取一個xlsx文件。Encoding :: UndefinedConversionError -ASCII-8BIT到UTF-8軌道上的紅寶石
<%= form_for(@attachment, :html => { :multipart => true,:class => 'form-horizontal' }) do |f| %>
<div class="form-group">
<label for="inputEmail3" class="col-sm-2 control-label">List of Company Name</label>
<div class="col-sm-10">
<%= f.file_field :attachment,class: 'form-control' %>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<%= f.submit 'Import Company Name list',:class => "btn btn-primary" %>
</div>
</div>
<% end %>
在控制檯
Parameters: {"utf8"=>"✓", "authenticity_token"=>"BJMhP6MnjUH17esTRxtaViIpBXL/aMzQgzuOI0a9LjI=", "attachment"=>{"attachment"=>#<ActionDispatch::Http::UploadedFile:0x00000006cd25e8 @tempfile=#<Tempfile:/tmp/RackMultipart20150701-9558-59shsp>, @original_filename="Book2.xlsx", @content_type="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", @headers="Content-Disposition: form-data; name=\"attachment[attachment]\"; filename=\"Book2.xlsx\"\r\nContent-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet\r\n">}, "commit"=>"Import Company Name list"}
即使使用UTF-8馬克傳遞參數我得到
Encoding::UndefinedConversionError - "\xA0" from ASCII-8BIT to UTF-8:
誤差..試過多樣溶液等.force_encoding('UTF -8') mime :: type但沒有解決?
有沒有人有關於這個問題的想法?