/**
 * 
 * @param {*} array  分組的數租集合
 * @param {*} keyArry 分組欄位集合
 * @param {*} resKey  分組裡的資料自定義欄位名稱
 * @returns 
 */
//  多個欄位分組
function dataGroupingToArray(array, keyArry, resKey = 'data') {
    if (keyArry.length <= 0) return array
    var aMap = []
    var aResult = []
    for (var i = 0; i < array.length; i++) {
      
 
var item = array[i]
      var repetitionValue = ''
      var SJCS = ''
      var LJZH = ''
      keyArry.forEach((keyValue) => {
        if(keyValue == 'SJCS'){
          SJCS = item[keyValue];
        }
        if(keyValue == 'LJZH'){
          LJZH = item[keyValue];
        }
        repetitionValue 
 
+= '' + item[keyValue];
      })
      if (aMap.indexOf(repetitionValue) === -1) {
        //沒有重複
        var oItem = {}
        oItem[resKey] = [item]
        oItem['SJCS'] = SJCS;
        oItem['LJZH'] = LJZH;
        aResult.push(oItem)
        aMap.push(repetitionValue)
      } else {
        //重複了
        var
 
 index = aMap.indexOf(repetitionValue)
        aResult[index][resKey].push(item)
      }
    }
    return aResult
  }

//   使用方法
var newlist = dataGroupingToArray(array, ['LJZH', 'SJCS'])