Ruby 1.9-无效的多字节字符(US-ASCII)

问题描述

我试图使我的rails应用程序(2.3.5)在Ruby 1.9上运行，我有这个函数可以对字符串进行一些转换:

Im trying to make my rails application (2.3.5) to run on Ruby 1.9, I've this function that make some transformations on a string:

def replace_special_chars(downcase = true)
if downcase
  string = self.downcase
else
  string = self
end
string.gsub! /á|ã|à|ä|â/, 'a'
string.gsub! /é|è|ë|ê/, 'e'
string.gsub! /í|ì|ï|î/, 'i'
string.gsub! /ó|õ|ò|ô|ö/, 'o'
string.gsub! /ú|ù|ü|û/, 'u'
string.gsub! /ç/, 'c'
string.gsub! /&/, 'e'
string.gsub! /\s/, '-'
string.gsub! /[^a-zA-Z_0-9-]/, ''
string.gsub! /-(-)+/, '-'
string
end

但是当我尝试启动服务器时，出现此错误:

But when I try to start the server, I got this error:

<internal:lib/rubygems/custom_require>:29:in `require':
/Users/.../lib/nzn_string.rb:11: invalid multibyte char (US-ASCII) (SyntaxError)
/Users/.../lib/nzn_string.rb:11: invalid multibyte char (US-ASCII)
/Users/.../lib/nzn_string.rb:11: syntax error, unexpected $end, expecting keyword_end
string.gsub! /á|ã|à|ä|â/, 'a'
                ^

来自:'require'中的:29:

from :29:in `require'

在ruby 1.9上执行此操作的正确方法是什么?我不知道我在这里想念什么

What's the right way to do this on ruby 1.9?I don't know what im missing here

推荐答案

在该文件顶部写入# encoding: utf-8.这将更改该文件utf-8中所有字符串/正则表达式文字的默认编码.所有文字的默认编码为US-ASCII，不能表示á.

Write # encoding: utf-8 on top of that file. That changes the default encoding of all string/regexp literals in that file utf-8. The default encoding for all literals is US-ASCII, which cannot represent á.

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