解析嵌套的 JSON 并在 Ruby 中操作它

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如何解决解析嵌套的 JSON 并在 Ruby 中操作它？

这是我第一次尝试用 Ruby 解析嵌套的 JsON。例如，我需要通过 JsON 提取“_ID”、“name”和“type”的特定值。然后我需要创建一个引用表，以便我可以引用每个“_ID”和相关信息。我还需要组合来自多个 JsON 响应的信息。我已经能够获得基本信息并尝试了一些我在网上找到的东西。我只需要一个起点的帮助。如果有人对从哪里开始有任何想法，我将不胜感激。

设备 JsON 响应哈希。每个设备都以 _ID 开头。

{
"API": "1.0","error": null,"ID": "60b5d4c3077862123cfa4443","result": {
    "devices": [
        {
            "_ID": "123456787786211fd31f3dd","batteryPowered": true,"category": "door_lock","deviCETypEID": "144_1_1","firmware": [
                {
                    "ID": "us.144.1_1.0","version": "2.6"
                }
            ],"gatewayID": "1234567807786214fbc6bd4e","info": {
                "firmware.stack": "3.28","harDWare": "0","manufacturer": "Kwikset","model": "912","protocol": "zwave","zwave.node": "2","zwave.smartstart": "no"
            },"name": "Garage Door","parentdevicEID": "","persistent": false,"reachable": false,"ready": true,"roomID": "1234567807786211fd31f3eb","security": "mIDdle","status": "IDle","subcategory": "","type": "doorlock"
        },{
            "_ID": "1234567897786211fd31f3ed","deviCETypEID": "59_1_1129","firmware": [
                {
                    "ID": "us.59.18064.0","version": "3.3"
                },{
                    "ID": "us.59.18065.1","version": "11.0"
                }
            ],"gatewayID": "1234567897786214fbc6bd4e","info": {
                "firmware.stack": "6.3","harDWare": "3","manufacturer": "Schlage","model": "BE469ZP","zwave.node": "3","name": "Front Door","reachable": true,"roomID": "1234567807786211fd31f3ec","security": "high",{
            "_ID": "1234567897786211fd31f40a","batteryPowered": false,"category": "switch","deviCETypEID": "57_20562_12344","firmware": [
                {
                    "ID": "us.57.29240.0","version": "5.25"
                }
            ],"info": {
                "firmware.stack": "4.54","harDWare": "255","manufacturer": "honeywell","model": "ZW4103/39337","zwave.node": "4","name": "Lamp Switch","roomID": "1234567807786211fd31f416","security": "no","subcategory": "interior_plugin","type": "switch.outlet"
        },{
            "_ID": "1234567b07786211fd31f40e","category": "dimmable_light","deviCETypEID": "57_20548_12339","firmware": [
                {
                    "ID": "us.57.29747.0","version": "5.21"
                }
            ],"gatewayID": "1234567d07786214fbc6bd4e","info": {
                "firmware.stack": "4.34","model": "39339/ZW3107","zwave.node": "5","name": "Lamp Dimmer","subcategory": "dimmable_plugged","type": "dimmer.outlet"
        }
    ]
}

}

然后还有一个 JsON 响应，以上述相同的格式列出每个设备的功能。但是，不是“devices”=>，而是“items”=>，而海滩功能又是 _ID 键。

我想将函数 _ID 标签和描述与设备 JsON 结合起来，这样我就可以创建一种方法来发送我的脚本“解锁门锁 1”，并用设备的 _ID 和函数 _ID 替换数字.

解决方法

def find_device(data,name,indeX)
  # Filter through the device list...
  data['result']['devices'].SELEct do |device|
    # ...for matching names.
    device.name == name
  end[index] # Take indexed entry
end

def to_LOCATIOn(str)
  # Split off the name component(s) and index number
  *name,index = str.split(/\s+/)

  # Reassemble with underscores and -1 to account for 0-index
  [ name.join('_'),index.to_i - 1 ]
end

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