多层json文件 怎么读取里面其中的值

问题遇到的现象和发生背景

"nodeName": "u_ok_001",
"sementicItem": {
  "sementicItemId": "31",
  "value": "Ok(yes)"
},
"tableRuleData": [
  {
    "example": {
      "ruleId": "373",
      "phraseItems": [
        {
          "phraseItemId": "333",
          "indexValue": "1",
          "phraseItemIndexId": "1017",
          "maxDistance": "",
          "matchedWords": [{
            "matchedWordId": "940",
            "value": "好"
          }],
          "excludeWords": [
            {
              "excludeWordId": "93",
              "value": "人工",
              "rightMaxDistance": "",
              "leftMaxDistance": "5"
            }
          ]
        },
        {
          "phraseItemId": "340",
          "indexValue": "8",
          "phraseItemIndexId": "1018",
          "maxDistance": "2",
          "matchedWords": [{
            "matchedWordId": "973",
            "value": "还行"
          }],
          "excludeWords": [
            {
              "excludeWordId": "94",
              "value": "人工",
              "rightMaxDistance": "8",
              "leftMaxDistance": ""
            }
          ]
        }
      ]
    },
    "standardWord": {}
  }
],
"tablePhrase": [
  {
    "phraseItem": {
      "id": "333",
      "indexValue": "1",
      "slot": ""
    },
    "matchedWords": [
      {
        "matchedWordId": "940",
        "value": "好",
        "maxPosIndex": 2,
        "maxSpeechLength": null,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "941",
        "value": "蛮好",
        "maxPosIndex": 0,
        "maxSpeechLength": 2,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "942",
        "value": "可以",
        "maxPosIndex": 3,
        "maxSpeechLength": 8,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "943",
        "value": "o_k",
        "maxPosIndex": 1,
        "maxSpeechLength": 3,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "944",
        "value": "行",
        "maxPosIndex": 0,
        "maxSpeechLength": 2,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "945",
        "value": "中",
        "maxPosIndex": 0,
        "maxSpeechLength": 1,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "946",
        "value": "是",
        "maxPosIndex": 2,
        "maxSpeechLength": 2,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": [
          {
            "unexpectedWordId": "173",
            "value": "是因为"
          },
          {
            "unexpectedWordId": "174",
            "value": "这个是"
          },
          {
            "unexpectedWordId": "175",
            "value": "这是"
          },
          {
            "unexpectedWordId": "176",
            "value": "是不是"
          },
          {
            "unexpectedWordId": "177",
            "value": "你们是"
          },
          {
            "unexpectedWordId": "178",
            "value": "你是"
          },
          {
            "unexpectedWordId": "179",
            "value": "是他"
          },
          {
            "unexpectedWordId": "180",
            "value": "是十"
          },
          {
            "unexpectedWordId": "181",
            "value": "是三"
          },
          {
            "unexpectedWordId": "182",
            "value": "给我是"
          }


        ]
      },
      {
        "matchWordId": "947",
        "value": "对",
        "maxPosIndex": 0,
        "maxSpeechLength": 2,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      },
      {
        "matchWordId": "948",
        "value": "嗯",
        "maxPosIndex": 2,
        "maxSpeechLength": 4,
        "autoUnexpectedWord": true,
        "weight": null,
        "unexpectedWords": []
      }
    ]
  }
]

问题相关代码，请勿粘贴截图

前端页面如何怎么读取json文件下任意值 一层一层读的方法是什么

运行结果及报错内容

我的解答思路和尝试过的方法

我想要达到的结果

json只能通过一层一层地读取

慢慢点进去，无他法

只能一层一层读，递归循环

一层一层读