Kotlin 代码：

fun saveDataJson(scenarioId: Long) {        val data = nodeModelFieldsDao.findByScenarioId(scenarioId)        println("data=${JSON.toJSONString(data)}")        println("开始执行 saveDataJson")        val modelCodeSet = mutableSetOf
     
      ()        data.forEach {            it.modelCode?.let { v -> modelCodeSet.add(v) }        }        println("modelCodeSet=${JSON.toJSONString(modelCodeSet)}")        val dataJsonObj = hashMapOf
      
       >()        modelCodeSet.forEach {            val mc = it            dataJsonObj[mc] = hashMapOf() // 这一句话很重要，先初始化 dataJsonObj[mc]            data.forEach {                val modelCode = it.modelCode                if (mc == modelCode) {                    dataJsonObj[mc]?.set(it.fieldCode, it.value)                }            }        }        val dataJsonStr = JSON.toJSONString(dataJsonObj)        println("dataJsonStr=${dataJsonStr}")        val record = dataJsonDao.findByScenarioId(scenarioId)        if (record == null) {            val dataJson = DataJson()            dataJson.dataJson = dataJsonStr            dataJson.scenarioId = scenarioId            dataJsonDao.save(dataJson)        } else {            record.dataJson = dataJsonStr            record.scenarioId = scenarioId            record.gmtModified = Date()            dataJsonDao.save(record)        }        println("执行完成 saveDataJson")    }
      
     

js 代码是：

var models = new Set();for (var i = 0; i < data.length; i++) {    var m = data[i];    console.log(`m=${JSON.stringify(m)}`);    let model_code = m.model_code;    console.log(`model_code=${model_code}`);    models.add(model_code);}console.dir(models);var model_fields_map = {};models.forEach(((model_code, index, array) => {    model_fields_map[model_code] = {};    data.map(m => {        if (m.model_code == model_code) {            model_fields_map[model_code][m.field_code] = `${m.field_output_code}|${m.data_type}|${m.setter_config_json}`        }    });}));