jsonFormat (dataset) { //dataset是一个对象，dataset.source是一个二维数组 const data = dataset.source const tableColumns = dataset.source[0] let datajson = {} var jsonresult = [] for (let i = 0; i < data.length; i++) { for (let j = 0; j < tableColumns.length; j++) { datajson[tableColumns[j]] = data[i][j] } jsonresult.push(datajson) datajson = {} } return jsonresult},