我希望能够处理 Rails 中的 Excel 电子表格。
所以我正在使用spreadsheet图书馆。
但是，当我使用 rubygems 安装电子表格时，出现异常：
Successfully installed spreadsheet-0.7.1
1 gem installed
Installing ri documentation for spreadsheet-0.7.1...
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/internals.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/reader/biff8.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/reader.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/biff8.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/format.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/n_worksheet.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/workbook.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/worksheet.rb, skipping
Installing RDoc documentation for spreadsheet-0.7.1...
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/internals.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/reader/biff8.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/reader.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/biff8.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/format.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/n_worksheet.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/workbook.rb, skipping
unable to convert "\xE2" to UTF-8 in conversion from ASCII-8BIT to UTF-8 to GBK
for lib/spreadsheet/excel/writer/worksheet.rb, skipping`
然后在我的 doSomethingController 中，我编写了代码：
require 'spreadsheet'
但服务器返回错误
cannot load such file -- spreadsheet
你能帮我弄清楚发生了什么，我该如何解决这个异常
我的环境：
ruby 1.9.3
rubygem 1.8.16