求助：遍历数组

kongmeng0814

{
    "DeviceCount": 2,
    "DeviceList": [
        {
            "ID": "34020000001180000001",
            "Manufacturer": "SIP UAS V3.0.0.971306",
            "Online": true,
            "RecordCenter": false,
            "RecordIndistinct": false,
            "CivilCodeFirst": false,
            "ChannelOverLoad": false,
            "ChannelCount": 20,
},
        {
            "ID": "34020000001180000002",
           "Manufacturer": "SIP UAS V3.0.0.971306",
           "Online": true,
            "RecordCenter": false,
            "RecordIndistinct": false,
            "CivilCodeFirst": false,
            "ChannelOverLoad": false,
            "ChannelCount": 19,

        }

复制代码

请问如何循环遍历 device 里面的 ChannelCount  呢，只会取不一样的json不会处理这种重复出现的数组。。。

kongmeng0814

有人吗！！！求助！！！

dreyo

var json = JSON.parse(msg.payload);
var ChannelCount={};
for(i=0; i<json.DeviceList.length; i++) {
   ChannelCount[i] = json.DeviceList[i].ChannelCount;
}