我有一个 ruby 散列,我想将其转换为特定的 javascript 散列。
这是 ruby 哈希 keyval
{
"Former Administration / Neutral"=>24,
"Media Personality / P"=>2,
"Journalist / Neutral"=>32,
"Consultant / Neutral"=>2,
...
"Journalist / P"=>11,
"Expert / Neutral"=>1,
"Activist / Neutral"=>15
}
进入javascript哈希
{data: "Former Administration / Neutral", frequency: (24) },
{data: "Media Personality / P", frequency: (2) },
{data: "Journalist / Neutral", frequency: (32) },
{data: "Consultant / Neutral", frequency: (2) },
...
{data: "Journalist / P", frequency: (11) },
{data: "Expert / Neutral", frequency: (1) },
{data: "Activist / Neutral", frequency: (15) }
尝试过
var obj = {};
for (var i = 0; i < <%= keyval.size %>; i++) {
obj["data"] = <%= keyval.keys[i] %>;
obj["frequency"] = '(' + <%= @keyval.values[i] %> + ')';
}
但循环不工作 obj
返回 ruby 散列的第一个元素 frequency=24
并且不转义 Former Administration
中的空格>。为什么?
最佳答案
有一个 to_json 方法可以将 ruby 哈希和数组转换为 json 对象。您可以使用第一个哈希创建一个哈希数组,然后对其调用 to_json。然后,您将在 ruby 中进行所有数据操作,最后只需将格式转换为 json。
hash = {
"Former Administration / Neutral"=>24,
"Media Personality / P"=>2,
"Journalist / Neutral"=>32,
"Consultant / Neutral"=>2,
"Journalist / P"=>11,
"Expert / Neutral"=>1,
"Activist / Neutral"=>15
}
arr = []
hash1.each do |k,v|
arr << {:data => k, :frequency => v}
end
arr.to_json
给予
"[{"data":"Journalist / P","frequency":11},{"data":"Activist / Neutral","frequency":15},{"data":"Former Administration / Neutral","frequency":24},{"data":"Expert / Neutral","frequency":1},{"data":"Journalist / Neutral","frequency":32},{"data":"Consultant / Neutral","frequency":2},{"data":"Media Personality / P","frequency":2}]"
您说您想要一个“javascript 散列”,但您的问题最后看起来像是一个没有方括号的数组。我的结果是一个有效的 json 对象表示,它是一个对象数组。我认为这实际上是您想要的。
关于javascript - ruby 哈希到 javascript 哈希,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21605966/