解析红色节点中的JSON javascript
我以前在C#中解析过JSON,但这次我将在Node Red中使用JavaScript。 我搜索了web,找到了几种用JavaScript解析JSON的解决方案,但在所有示例中,JSON都非常简单,其中没有多少“级别”数据 我将提供需要解析的JSON文件的一小部分解析红色节点中的JSON javascript,javascript,json,node-red,Javascript,Json,Node Red,我以前在C#中解析过JSON,但这次我将在Node Red中使用JavaScript。 我搜索了web,找到了几种用JavaScript解析JSON的解决方案,但在所有示例中,JSON都非常简单,其中没有多少“级别”数据 我将提供需要解析的JSON文件的一小部分 { "programStatus": { "modified_host_attributes": "1", "modified_service_attributes": "1", "serial_host_check_stats": "
{
"programStatus": {
"modified_host_attributes": "1",
"modified_service_attributes": "1",
"serial_host_check_stats": "0,0,0"
},
"hosts": {
"FILANAS01": {
"host_name": "FILANAS01",
"modified_attributes": "0",
"check_command": "check-host-alive",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"FILANAS02": {
"host_name": "FILANAS02",
"modified_attributes": "0",
"check_command": "check-host-alive",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"FILANSW01": {
"host_name": "FILANSW01",
"modified_attributes": "0",
"check_command": "check-host-alive",
"scheduled_downtime_depth": "0"
},
"FILANSW02": {
"host_name": "FILANSW02",
"modified_attributes": "0",
"check_command": "check-host-alive",
"current_state": "0",
"scheduled_downtime_depth": "0"
}
},
"services": {
"FILANSW01": {
"HP ProCurve Hardware Check": {
"host_name": "FILANSW01",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"System Location": {
"host_name": "FILANSW01",
"current_state": "0",
"scheduled_downtime_depth": "0"
}
},
"FILANSW02": {
"HP ProCurve Hardware Check": {
"host_name": "FILANSW02",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"System Location": {
"host_name": "FILANSW02",
"current_state": "0",
"scheduled_downtime_depth": "0"
}
},
"FILASDC02": {
"Active Directory Domain Services": {
"host_name": "FILASDC02",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"CPU Load": {
"host_name": "FILASDC02",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"DNS Server": {
"host_name": "FILASDC02",
"current_state": "0",
"scheduled_downtime_depth": "0"
},
"Drive Space C:": {
"host_name": "FILASDC02",
"current_state": "0",
"scheduled_downtime_depth": "0"
}
}
}
}
这是从Nagios生成的,它包含服务器和交换机以及关于它们的信息。
我需要遍历所有“主机”并查看“当前_状态”是什么,如果是其他状态,则为0,然后我将从该“主机”获取“主机名”和一些其他信息
“服务”中的相同内容检查当前状态(如果不是0)
然后,我将使用从这个JSON获取的信息创建一个数组,并将其显示在信息屏幕上
但是我需要一些帮助来开始使用JSON。
谢谢
`
var myJSON={
“程序状态”:{
“修改的主机属性”:“1”,
“修改的_服务_属性”:“1”,
“串行主机检查统计信息”:“0,0,0”
},
“主持人”:{
“FILANAS01”:{
“主机名”:“FILANAS01”,
“修改的_属性”:“0”,
“检查命令”:“检查主机是否处于活动状态”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“FILANAS02”:{
“主机名”:“FILANAS02”,
“修改的_属性”:“0”,
“检查命令”:“检查主机是否处于活动状态”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“FILANSW01”:{
“主机名”:“FILANSW01”,
“修改的_属性”:“0”,
“检查命令”:“检查主机是否处于活动状态”,
计划停机时间深度:“0”
},
“FILANSW02”:{
“主机名”:“FILANSW02”,
“修改的_属性”:“0”,
“检查命令”:“检查主机是否处于活动状态”,
“当前状态”:“0”,
计划停机时间深度:“0”
}
},
“服务”:{
“FILANSW01”:{
“HP ProCurve硬件检查”:{
“主机名”:“FILANSW01”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“系统位置”:{
“主机名”:“FILANSW01”,
“当前状态”:“0”,
计划停机时间深度:“0”
}
},
“FILANSW02”:{
“HP ProCurve硬件检查”:{
“主机名”:“FILANSW02”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“系统位置”:{
“主机名”:“FILANSW02”,
“当前状态”:“0”,
计划停机时间深度:“0”
}
},
“FILASDC02”:{
“Active Directory域服务”:{
“主机名”:“FILASDC02”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“CPU负载”:{
“主机名”:“FILASDC02”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“DNS服务器”:{
“主机名”:“FILASDC02”,
“当前状态”:“0”,
计划停机时间深度:“0”
},
“驱动器空间C:”:{
“主机名”:“FILASDC02”,
“当前状态”:“0”,
计划停机时间深度:“0”
}
}
}
}
Now iterate through:
var host = Object.keys(myJSON["hosts"]);
for (var i = 0; i < host.length; i++) {
var hostData = host[i];
var hostProp = myJSON.hosts[hostData];
if (hostProp.current_state != 0) {
//Do your work.
}
}
I've tested Object.keys() in a few browsers like IE9, IE10, Chrome 46
and FireFox, it works but fails in IE8.
现在迭代:
var host=Object.keys(myJSON[“hosts”]);
对于(var i=0;i
JSON.parse(yourJsonData)应该已经足够了,但是您的数据是一个庞大的javascript对象,可能是一个对象数组。如果不知道键,就不可能在主机上循环。如果主机
和服务
是阵列
,那就很容易了,非常感谢您的回复。这是我在尝试此代码时收到的错误消息:Object.keys(myJSON[“hosts”]);^在非Object上调用Object.keys该错误表明您已将myJSON设置为原始JSON字符串。您需要首先将其解析为一个对象:var myJSON=JSON.parse(myJSONString)代码>
Now iterate through:
var host = Object.keys(myJSON["hosts"]);
for (var i = 0; i < host.length; i++) {
var hostData = host[i];
var hostProp = myJSON.hosts[hostData];
if (hostProp.current_state != 0) {
//Do your work.
}
}
I've tested Object.keys() in a few browsers like IE9, IE10, Chrome 46
and FireFox, it works but fails in IE8.