从JSON获取价值，JSON使用JavaScript在键名中具有空格
宇文峰
问题内容：
问题答案：
{
"response": {
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},
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"A Rather Festive Tree": {
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"6": {
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"difference": -0.11
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},
"A Whiff of the Old Brimstone": {
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"prices": {
"6": {
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"0": {
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"0": {
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},
"AWPer Hand": {
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"prices": {
"1": {
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"0": {
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"difference": -0.335,
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"6": {
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"0": {
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"difference": -0.06,
"value_high": 3
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},
"11": {
"Tradable": {
"Craftable": {
"0": {
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"value": 9,
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"difference": -4
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}
}
}
}
}
}
}
}
我从JSON获取值时遇到问题，该值在键名中包含空格。我使用JavaScript来获取值，但是如果键包含空格（带有死亡的画笔）或它是数字（6），则无法使它起作用。
没有编辑JSON文件，有什么办法吗？
提前致谢。:)
问题答案：
有两种访问属性的方法：
foo.barfoo['bar']
您需要使用第二个选项来使用空格，例如 foo['bar bar'].baz
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问题内容： 上面的命令仅输出以下值： 我如何像下面这样获取键名： 问题答案： 您可以使用： 更新： 要使用这些键创建一个BASH数组： 使用BASH 4+： 在较旧的BASH上，您可以执行以下操作： 然后打印：