[
"KEY1":{"SUB_KEY1" : "VALUE1","SUB_KEY2" : "VALUE2"},
"KEY2":{"SUB_KEY1" : "VALUE1","SUB_KEY2" : "VALUE2"}
]
上面是我的json对象,它是作为响应而来的。从ruby中获取json的特定键值
如何在Ruby on Rails中获得SUB_KEY1
的KEY1
和SUB_KEY1
的KEY2
?
谢谢。
[
"KEY1":{"SUB_KEY1" : "VALUE1","SUB_KEY2" : "VALUE2"},
"KEY2":{"SUB_KEY1" : "VALUE1","SUB_KEY2" : "VALUE2"}
]
上面是我的json对象,它是作为响应而来的。从ruby中获取json的特定键值
如何在Ruby on Rails中获得SUB_KEY1
的KEY1
和SUB_KEY1
的KEY2
?
谢谢。
parsed_json = ActiveSupport::JSON.decode(your_json_string)
会分析你的字符串作为
[{"KEY1"=>{"SUB_KEY1"=>"VALUE1", "SUB_KEY2"=>"VALUE2"}}, {"KEY2"=>{"SUB_KEY1"=>"VALUE1", "SUB_KEY2"=>"VALUE2"}}]
您应该能够使用的东西来访问它像parsed_json[1]["KEY2"]["SUB_KEY1"]
您需要将JSON对象解析为红宝石哈希。假设你的JSON响应名为res:
require 'json'
obj = JSON.parse(res)
sv1 = obj['KEY1']['SUB_KEY1']
等
难道不是第0个索引像'parsed_json [0] [“KEY2” ] [ “SUB_KEY1”]'? – 2013-07-15 14:40:42