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副标题[/!--empirenews.page--]
除了标题之外,当从ActiveRecord加载数据时,尽管我尽最大努力强制编码,但编码始终设置为ASCII-8Bit.我已经在这里输入了尽可能详细的信息,试图建立一个可以用来帮助我的好错误报告！
该项目使用以下技术：
> Padrino框架
> Ruby 1.9.2-rc2(同样是1.9.1和1.9.2-preview3)
> ActiveRecord
> MySQL
(完整名单)
$bundle show | ack '(record|padrino)'
* activerecord (2.3.8)
* padrino (0.9.14)
* padrino-admin (0.9.14)
* padrino-core (0.9.14)
* padrino-gen (0.9.14)
* padrino-helpers (0.9.14)
* padrino-mailer (0.9.14)
剧集表：
mysql> DESCRIBE `episodes`;
+----------------+--------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+----------------+--------------+------+-----+---------+----------------+
| id | int(11) | NO | PRI | NULL | auto_increment |
| show_id | int(11) | YES | | NULL | |
| season_id | int(11) | YES | | NULL | |
| episode_number | int(11) | YES | | NULL | |
| title | varchar(255) | YES | | NULL | |
| year | int(11) | YES | | NULL | |
+----------------+--------------+------+-----+---------+----------------+
6 rows in set (0.02 sec)
mysql> SHOW CREATE TABLE episodes;
Table: episodes
Create Table: CREATE TABLE `episodes` (
`id` int(11) NOT NULL AUTO_INCREMENT,`show_id` int(11) DEFAULT NULL,`season_id` int(11) DEFAULT NULL,`episode_number` int(11) DEFAULT NULL,`title` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,`year` int(11) DEFAULT NULL,PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=74332 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci
mysql> SHOW CREATE DATABASE development;
+-------------+--------------------------------------------------------------------------------------------------------+
| Database | Create Database |
+-------------+--------------------------------------------------------------------------------------------------------+
| development | CREATE DATABASE `development` /*!40100 DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci */ |
+-------------+--------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
正如您所看到的,数据库肯定认为事情应该是UTF-8;和数据库适配器：
ActiveRecord::Base.configurations[:development] = {
:adapter => 'mysql',:encoding => 'utf8',:reconnect => false,:database => "development",:pool => 5,:username => 'root',:password => '',:host => 'localhost',}
在检查活动记录连接时,在控制台中回显：
ruby-1.9.2-rc1 > ActiveRecord::Base.connection
DEBUG - [06/Jul/2010 19:24:32] "SQL (0.1ms) SET NAMES 'utf8'"
DEBUG - [06/Jul/2010 19:24:32] "SQL (0.1ms) SET SQL_AUTO_IS_NULL=0"
=> #
ruby-1.9.2-rc1>的ActiveRecord :: Base.connection.encoding
Ruby应该知道语言,这是我的$locale
LANG="en_GB.UTF-8"
LC_COLLATE="en_GB.utf-8"
LC_CTYPE="en_GB.utf-8"
LC_MESSAGES="en_GB.utf-8"
LC_MONETARY="en_GB.utf-8"
LC_NUMERIC="en_GB.utf-8"
LC_TIME="en_GB.utf-8"
LC_ALL=
虽然Ruby没有设置Encoding.default_internal：
$irb --simple-prompt
ruby-1.9.2-rc1 > Encoding.default_internal
=> nil
我在我的应用程序的config / boot.rb中添加了一个片段,如下所示：
if Kernel.const_defined?("Encoding") and Encoding.respond_to?(:find) and Encoding.respond_to?(:default_internal)
Encoding.default_internal = Encoding.find('UTF-8')
end
这完全符合您的预期……但是是黑客攻击,并没有解决问题.
这是现场问题的输出：
ruby-1.9.2-rc1 > e = Episode.new
DEBUG - [06/Jul/2010 19:29:14] "SQL (0.1ms) SET NAMES 'utf8'"
DEBUG - [06/Jul/2010 19:29:14] "SQL (0.1ms) SET SQL_AUTO_IS_NULL=0"
DEBUG - [06/Jul/2010 19:29:14] "Episode Columns (0.8ms) SHOW FIELDS FROM `episodes`"
=> #
我通过覆盖访问器取得了一些成功,并将它们重新定义为：
class Episode
# ...
def title
title.encode!
end
# ...
end
哪里编码！定义为here in the API docs for 1.9 – 在此引用它“没有选项返回str转码为Encoding.default_internal的副本.”
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