const obj = [{"groupingType": "1","remark": "梨花带雨","totalRmbMoney": 7,"kyeGroupingType": "广州一组"},{"groupingType": "2","remark": "99","totalRmbMoney": 0,"kyeGroupingType": "广州二组"},{"groupingType": "2","remark": "重生之我百亿富豪","totalRmbMoney": 66,"kyeGroupingType": "广州二组"},{"groupingType": "2","remark": "1","totalRmbMoney": 99,"kyeGroupingType": "广州二组"},{"groupingType": "3","remark": "哈韩","totalRmbMoney": 12,"kyeGroupingType": "佛山一组"},{"groupingType": "3","remark": "大表姐","totalRmbMoney": 0,"kyeGroupingType": "佛山一组"},{"groupingType": "3","remark": "梨花带雨","totalRmbMoney": 0,"kyeGroupingType": "佛山一组"},{"groupingType": "4","remark": "666","totalRmbMoney": 0,"kyeGroupingType": "广州一组"},{"groupingType": "4","remark": "佛山一个","totalRmbMoney": 0,"kyeGroupingType": "广州一组"},{"groupingType": "4","remark": "大表哥","totalRmbMoney": 78,"jobType": "1","kyeGroupingType": "广州一组"}
]const groupBy = (array: any, key: any) => {return array.reduce((result: any, currentItem: any) => {// 使用 key 函数如果有定义，否则直接获取属性值const groupKey = typeof key === 'function' ? key(currentItem) : currentItem[key];// 初始化分类数组if (!result[groupKey]) {result[groupKey] = [];}// 将当前项推入分类数组result[groupKey].push(currentItem);return result;}, {});};const newobj = groupBy(obj, 'kyeGroupingType')console.log('newobj', newobj)

输出结果如图：