Node.js中如何合并两个复杂对象详解

"sender_sum" : 40.0
}
],
"senders_sum" : 40.0
}
],
"channelId_sum" : 40.0
}
],
"car_sum" : 40.0
};

var data2 = {
"_id" : "577327c544bd90be508b46cc",
"channelId_info" : [
{
"channelId_key" : "0",
"secondLevel_group" : [
{
"secondLevel_key" : "568cc36c44bd90625a045c60",
"sender_group" : [
{
"sender_key" : "577327c544bd90be508b46cd",
"sender_sum" : 20.0
},
{
"sender_key" : "5710bcc7e66620fd4bc0914f",
"sender_sum" : 5.0
}
],
"senders_sum" : 25.0
},
{
"secondLevel_key" : "55fbeb4744bd9090708b4567",
"sender_group" : [
{
"sender_key" : "5670f993a2f5dbf12e73b763",
"sender_sum" : 10.0
}
],
"senders_sum" : 10.0
}
],
"channelId_sum" : 35.0
},
{
"channelId_key" : "1",
"secondLevel_group" : [
{
"secondLevel_key" : "568cc36c44bd90625a045c60",
"sender_group" : [
{
"sender_key" : "577327c544bd90be508b46cd",
"sender_sum" : 20.0
}
],
"senders_sum" : 20.0
}
],
"channelId_sum" : 20.0
}
],
"car_sum" : 55.0
};

合并之后的结果如下：

{
 "_id": "577327c544bd90be508b46cc",
 "channelId_info": [
  {
   "channelId_key": "0",
   "secondLevel_group": [
    {
     "secondLevel_key": "568cc36c44bd90625a045c60",
     "sender_group": [
      {
       "sender_key": "577327c544bd90be508b46cd",
       "sender_sum": 60
      },
      {
       "sender_key": "5710bcc7e66620fd4bc0914f",
       "sender_sum": 5
      }
     ],
     "senders_sum": 65
    },
    {
     "secondLevel_key": "55fbeb4744bd9090708b4567",
     "sender_group": [
      {
       "sender_key": "5670f993a2f5dbf12e73b763",
       "sender_sum": 10
      }
     ],
     "senders_sum": 10
    }
   ],
   "channelId_sum": 75
  },
  {
   "channelId_key": "1",
   "secondLevel_group": [
    {
     "secondLevel_key": "568cc36c44bd90625a045c60",
     "sender_group": [
      {
       "sender_key": "577327c544bd90be508b46cd",
       "sender_sum": 20
      }
     ],
     "senders_sum": 20
    }
   ],
   "channelId_sum": 20
  }
 ],
 "car_sum": 95
}

总结

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