C#读取JSON的数组_c#中如何将在json中寻找

 string jsonArray = "{{  "batch": "SG_LP_20000608",  "unit_batch": null,  "lot": "1654669945261",  "tray": "ZSXA00147",  "tray_ng": 0,  "tray_ng_class": null,  "tray_ng_device": null,  "battery_ids": [    "0JLCB01GADAB1AC4B0009999",    "0JLCB01GADAB1AC4B0009998",    "0JLCB01GADAB1AC4B0009997",    "0JLCB01GADAB1AC4B0009996",    "0JLCB01GADAB1AC4B0009995",    "0JLCB01GADAB1AC4B0009994",    "0JLCB01GADAB1AC4B0009993",    "0JLCB01GADAB1AC4B0009992",    "0JLCB01GADAB1AC4B0009991",    "0JLCB01GADAB1AC4B0009990",    "0JLCB01GADAB1AC4B0009989",    "0JLCB01GADAB1AC4B0009988",    "0JLCB01GADAB1AC4B0009987",    "0JLCB01GADAB1AC4B0009986",    "0JLCB01GADAB1AC4B0009985",    "0JLCB01GADAB1AC4B0009984",    "0JLCB01GADAB1AC4B0009983",    "0JLCB01GADAB1AC4B0009982",    "0JLCB01GADAB1AC4B0009981",    "0JLCB01GADAB1AC4B0009980",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0",    "0"  ],  "active": [    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    1,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0,    0  ],  "ng_class": [    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null  ],  "ng_classname": [    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null,    null  ]}}";
 JObject jsonObj = JObject.Parse(jsonArray); //尝试将字符串转换成json对象
 string tray_ng = (string)jsonObj["batch"];
 string tray_ng_class = (string)jsonObj["unit_batch"];
 string tray_ng_device = (string)jsonObj["lot"];
 string[] battery_ids=new string[36];
 string[] active = new string[36];
 string[] ng_class = new string[36];
 string[] ng_classname = new string[36];
 for (int i = 0; i < 36; i++)
   {
    battery_ids[i] = (string)jsonObj["battery_ids"][i];
   }
  for (int i = 0; i < 36; i++)
   {
    battery_ids[i] = (string)jsonObj["active "][i];
   }
   for (int i = 0; i < 36; i++)
   {
    battery_ids[i] = (string)jsonObj["ng_class "][i];
   }
   for (int i = 0; i < 36; i++)
   {
    battery_ids[i] = (string)jsonObj["ng_classname "][i];
   }
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