由于安全错误,我已降级到 Rails 2.3.17,但现在我无法解码保存到数据库中的 json 字符串,如果它们中有 unicode :(。有没有办法处理这样的字符串它解码正确?
e = ActiveSupport::JSON.encode({'a' => "Hello Unicode \u2019"})
ActiveSupport::JSON.decode(e)
给我
RangeError: 8217 out of char range
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/backends/okjson.rb:314:in `unquote'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/backends/okjson.rb:251:in `strtok'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/backends/okjson.rb:215:in `tok'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/backends/okjson.rb:178:in `lex'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/backends/okjson.rb:46:in `decode'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/backends/okjson.rb:612:in `decode'
from /app/vendor/bundle/ruby/1.9.1/gems/activesupport-2.3.17/lib/active_support/json/decoding.rb:14:in `decode'
from (irb):30
from /usr/local/bin/irb:12:in `<main>'
我无法更改第一行,因为它来自数据库。
这曾经奏效。