// 安装

  npm install randomjson

// 用法
  // 引用包
  var randomjson = require('randomjson');
  // 模型
  var modelJson = {
    "code": "00",
    "numberCode": "<@[10000,20000]>",
    "msg": "<@chinese{12,50}>",
    "msg2": "<@string{2,3}>",
    "logo": "<@image{100,100}>",
    "result": {
      "pList<@{1,3}>":[ 
        {
          "indexToString": "<@index><@>",
          "index": "<@index>",
          "id": "<@[1-5]>", 
          "price": "<@float>",
          "name": "公司名称<@index>",
          "person": "李文武<@index>",
          "address": "北京市海淀区西三旗",
          "mobile": "1<@number{10}>",
          "tel": "<@number{4}>-<@number{8}>",
          "list": [
            {
              "auditKey": 1,
              "auditValue": "<@[0,1,2]>"
            }, 
            {
              "auditKey": 2,
              "auditValue": "<@[0,1,2]>"
            }
          ]
        }
      ]
    }
  }
  // 根据模型生成json
  var myJson = randomjson(modelJson);
  
  根据上边模型生成的json可能是这样:
  
  {
    "code": "00",
    "numberCode": 10000,
    "msg": "加义为边平压你治提用根治问求只或程干立农资特",
    "msg2": "dv",
    "logo": "https://dummyimage.com/100x100",
    "result": {
      "pList": [
        {
          "indexToString": "1",
          "index": 1,
          "id": 2,
          "price": 93.78,
          "name": "公司名称1",
          "person": "李文武1",
          "address": "北京市海淀区西三旗",
          "mobile": "17929438781",
          "tel": "1148-56055642",
          "list": [
            {
              "auditKey": 1,
              "auditValue": 0
            },
            {
              "auditKey": 2,
              "auditValue": 1
            }
          ]
        },
        {
          "indexToString": "2",
          "index": 2,
          "id": 5,
          "price": 29.49,
          "name": "公司名称2",
          "person": "李文武2",
          "address": "北京市海淀区西三旗",
          "mobile": "17826945504",
          "tel": "7298-46226026",
          "list": [
            {
              "auditKey": 1,
              "auditValue": 0
            },
            {
              "auditKey": 2,
              "auditValue": 0
            }
          ]
        }
      ]
    }
  }

"p11<@{2,5}>": [{
        "p8": "12312",
        "p9": ["<@string{4,7}>"],
        "p10": "<@string>"
      }]