js 更改json的 key

let t = data.map(item => {
          return{
            fee: item['費用'],
            companyName1: item.companyName,
            remark1: item.remark,
            beginTime1: item.beginTime,
            endTime1: item.endTime
          }
        })
        console.log(t) 

源地址：https://www.cnblogs.com/Marydon20170307/p/8676611.html