我似乎无法从我家庭自动化服务器提供的这个（已验证的）JSON字符串中提取我想要的数据（即我无法更改JSON返回）。
var myJson = '{ "Device_Num_6": { "states": [ { "id": 207, "service": "urn:upnp-org:serviceId:SwitchPower1", "variable": "Status", "value": "0" }, { "id": 208, "service": "urn:upnp-org:serviceId:Dimming1", "variable": "LoadLevelTarget", "value": "94" }, { "id": 209, "service": "urn:upnp-org:serviceId:Dimming1", "variable": "LoadLevelStatus", "value": "0" }, { "id": 210, "service": "urn:micasaverde-com:serviceId:HaDevice1", "variable": "Configured", "value": "1" }, { "id": 211, "service": "urn:micasaverde-com:serviceId:HaDevice1", "variable": "ModeSetting", "value": "1:;2:;3:;4:" }, { "id": 212, "service": "urn:micasaverde-com:serviceId:HaDevice1", "variable": "LastUpdate", "value": "1438440091" }, { "id": 213, "service": "urn:micasaverde-com:serviceId:HaDevice1", "variable": "FirstConfigured", "value": "1438440091" }, { "id": 214, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "Capabilities", "value": "209,140,0,4,17,1,L,R,RS,|38:1,39,112,114,115,134," }, { "id": 215, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "ManufacturerInfo", "value": "99,17495,12848" }, { "id": 216, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "VersionInfo", "value": "6,1,91,2,11" }, { "id": 217, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "NodeInfo", "value": "26,27,70,72,73,86," }, { "id": 218, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "Neighbors", "value": "1,2,3,4,6,7,8,9,11,12,13,14,15,16,17,21,25,26,27,31,32,33,34,35," }, { "id": 219, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "LastReset", "value": "0" }, { "id": 220, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "AssociationNum", "value": "0" }, { "id": 221, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "LastRouteUpdate", "value": "1468760253" }, { "id": 222, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "PollOk", "value": "43947" }, { "id": 223, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "LastNnu", "value": "1468735200,700" }, { "id": 224, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "LastArr", "value": "1468735200,700" }, { "id": 225, "service": "urn:micasaverde-com:serviceId:ZWaveDevice1", "variable": "PollNoReply", "value": "54" }, { "id": 226, "service": "urn:micasaverde-com:serviceId:ZWaveNetwork1", "variable": "ConsecutivePollFails", "value": "0" } ], "Jobs": [ ], "PendingJobs": 0, "tooltip": { "display": 0 }, "status": -1 }, "Using_2G": 0, "LoadTime": 1468766261, "DataVersion": 766262647, "UserData_DataVersion": 766261013, "TimeStamp": 1468779944, "lights_on": 3, "lights_off": 8, "doors_locked": 5, "doors_unlocked": 2, "sensors_tripped": 0, "sensors_not_tripped": 8, "failed_devices": 8, "visible_devices": 93, "partitions_active": 0, "partitions_notactive": 2, "alerts": [ { "PK_Device": 154, "Room": 10, "DeviceName": "Laundry Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742240051", "LocalDate": "2016-07-17 10:38:22", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 2, "LocalTimestamp": 1468766302, "Code": "SL_BATTERYALARM", "NewValue": "0", "Description": "Laundry Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 150, "Room": 23, "DeviceName": "Kids Bath Motion", "DeviceType": "urn:schemas-micasaverde-com:device:MotionSensor:1", "PK_Alert": "4742240181", "LocalDate": "2016-07-17 10:38:22", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 2, "LocalTimestamp": 1468766302, "Code": "SL_BATTERYALARM", "NewValue": "10", "Description": "Kids Bath Motion", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255081", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 2, "LocalTimestamp": 1468766418, "Code": "DL_LOW_BATTERY", "NewValue": "1", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255231", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 3, "LocalTimestamp": 1468766418, "Code": "DL_LOCK_CHANGED", "NewValue": "3", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255371", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 3, "LocalTimestamp": 1468766418, "Code": "DL_CODE_CHANGED", "NewValue": "3", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255471", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 3, "LocalTimestamp": 1468766418, "Code": "DL_USERCODE", "NewValue": "UserID=\"1\" UserName=\"Main\"", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255591", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 3, "LocalTimestamp": 1468766418, "Code": "DL_LOCK_BUTTON", "NewValue": "1", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255721", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 1, "LocalTimestamp": 1468766418, "Code": "DL_LOCK_FAILURE", "NewValue": "1", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255801", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 1, "LocalTimestamp": 1468766418, "Code": "DL_PINFAILED", "NewValue": "1", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" }, { "PK_Device": 101, "Room": 21, "DeviceName": "Cabana Door Lock", "DeviceType": "urn:schemas-micasaverde-com:device:DoorLock:1", "PK_Alert": "4742255971", "LocalDate": "2016-07-17 10:40:18", "EventType": 4, "SourceType": 4, "Argument": 0, "Filesize": 0, "Severity": 2, "LocalTimestamp": 1468766418, "Code": "SL_BATTERYALARM", "NewValue": "0", "Description": "Cabana Door Lock", "Users": "", "Server_Storage": "", "Key": "", "Icon": "", "PK_Store": "0" } ], "ZWaveStatus": 1, "Mode": 1, "LocalTime": "2016-07-17 14:25:44 D" }';
var myObject = JSON.parse(myJson);
console.log(myObject.Device_Num_6.states[0].id); // should return 207
答案 0 :(得分：0)
您的json格式无效。因此，您无法将其解析为JSON.parse方法。请尝试在http://jsonviewer.stack.hu/
UPD：问题此字符串"NewValue": "UserID=\"1\" UserName=\"Main\""。您应该将其设为"NewValue": "UserID=\\"1\\" UserName=\\"Main\\""