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我正在为 Roo '1.9.1' ruby​​ '1.8.7' 和 Rails '2.3.18' 编写一个 rake 任务，用于从 Csv、Xls 和 Xlsx 导入数据。

它适用于所有数据导入和处理。

在文件的顶部我有 require 'iconv' require 'roo'

我打电话

电子表格，格式 = open_spreadsheet(file_path, file_name)

def open_spreadsheet file_path, file_name
    format, file = "", ""
    case File.extname(file_name)
        when ".xls"
            format = "xls"
            file = Excel.new(file_path, nil, :ignore)
        when ".xlsx"
            format = "xlsx"
            file = Excelx.new(file_path, nil, :ignore)
        else raise "Unknown file type: #{file_name}"
    end
    return file, format
end

但是当我尝试通过使用为创建的居民发送通知邮件时，

Notifications.deliver_resident_subscription_notification_rake(@subscription, resident)

def resident_subscription_notification_rake(subscription, resident)
    # I18n.locale                     = "some text"
    @subject                        = "Test Subject"
    @body[:subscription]            = subscription
    @body[:resident]                = subscription.resident
    @body[:provider]                = 'Test Provider'
    @body[:recipient]               = 'Test Recipient'
    @body[:join_url]                = subscriber_join_url(
                                        :token =>       subscription.resident_update_recipient.invitation_code,
                                        :host  => APP_CONFIG['site']['root_url']
                                       )
    @recipients                     = 'Test Emails'
    @from                           = "#{subscription.resident.provider.name} <#{subscription.resident.provider.reply_email_address}>"
    @headers['x-custom-ip-tag']     = APP_CONFIG['mailer']['custom_ip_tag']
    @sent_on                        = Time.now
end

我会收到这样的错误 NameError: uninitialized constant ActionMailer::Quoting::Encoding

当我在邮件方法中评论@subject时，我会收到这样的错误

ActionView::TemplateError: undefined method `encoding' for # from In app/views/notifications/resident_subscription_notification_rake.html.erb

我可以知道我哪里出错了。谢谢

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