删除字符串中的反斜杠

Question

我在获得令牌后在 facebook 中请求用户详细信息。我得到了以下回复。 回复如下

"{\"id\":\"xxxxx\",\"name\":\"abcd\",\"first_name\":\"ab\",\"last_name\":\"cd\",
\"link\":\"http:\\/\\/www.facebook.com\\/profile.php?id=xxxxx\",\"quotes\":\"Life is a difficult game. You can win it only by retaining your birthright to be a person.\",\"gender\":\"female\",\"timezone\":5.5,\"locale\":\"en_US\",\"verified\":true,\"updated_time\":\"2012-02-22T12:59:39+0000\"}"

我打印了显示为"String" 的响应类。我想将其更改为哈希。 （我想去掉上面的\）。

我试过但没有得到正确的格式。

Answer 1

那是 JSON。你只需要解析它。

require 'json'

JSON.parse("{\"id\":\"xxxxx\",\"name\":\"abcd\",\"first_name\":\"ab\",\"last_name\":\"cd\",
\"link\":\"http:\\/\\/www.facebook.com\\/profile.php?id=xxxxx\",\"quotes\":\"Life is a difficult game. You can win it only by retaining your birthright to be a person.\",\"gender\":\"female\",\"timezone\":5.5,\"locale\":\"en_US\",\"verified\":true,\"updated_time\":\"2012-02-22T12:59:39+0000\"}")

#=> {"id"=>"xxxxx", "name"=>"abcd", "first_name"=>"ab", "last_name"=>"cd", "link"=>"http://www.facebook.com/profile.php?id=xxxxx", "quotes"=>"Life is a difficult game. You can win it only by retaining your birthright to be a person.", "gender"=>"female", "timezone"=>5.5, "locale"=>"en_US", "verified"=>true, "updated_time"=>"2012-02-22T12:59:39+0000"} 

Answer 2

您得到的响应是一个 JSON 对象。将其解析为哈希的最简单方法是使用 JSON gem。这是字符串中前几个实体的示例。如您所见，它只返回一个哈希值。

ruby-1.9.3-rc1 :001 > require 'json'
 => true 
ruby-1.9.3-rc1 :002 > JSON.parse("{\"id\":\"xxxxx\",\"name\":\"abcd\",\"first_name\":\"ab\"}")
 => {"id"=>"xxxxx", "name"=>"abcd", "first_name"=>"ab"}