![[PukiWiki]](image/pukiwiki.png "[PukiWiki]")
&tag(Rails/JSON);
book = Book.new
book.title = "abc"
json = book.to_json
# puts jsonでもよいがわかりやすくフォーマットしたい場合以下を使う。
puts JSON.pretty_generate(JSON.parse(json))
{
"id": null,
"title": "abc",
"author": null,
"summary": null,
"created_at": null,
"updated_at": null,
}
ActiveRecord::Base.include_root_in_json = false
book = Book.new
book.title = "abc"
json = book.to_json(root: true)
#puts json
puts JSON.pretty_generate(JSON.parse(json))
{
"book": {
"id": null,
"title": "abc",
"author": null,
"summary": null,
"created_at": null,
"updated_at": null,
}
}
def as_json(options = nil)
root = if options && options.key?(:root)
options[:root]
else
include_root_in_json
end
result = super(options)
h = result
if root
h = result[model_name.element]
end
h["custom_title"] = "custom #{title}"
result
end
{
"book": {
"id": null,
"title": "abc",
"author": null,
"summary": null,
"created_at": null,
"updated_at": null,
"custom_title": "custom abc"
}
}
