我使用Vue前端通过下面代码，接收后端的数据，然后下载到excel文件中，但生成的excel文件中没有数据，这是怎么回事呢，请帮助修改一下，谢谢了！
methods: {
download() {
this.axios({
method: 'get',
url: 'http://127.0.0.1:8000/app1/show_r3data/'
}).then((response) => {
const {export_json_to_excel} = require('@/vendor/Export2Excel')
const tHeader = ['单号', '站号', '建立日期']
const filterVal = ['guanjian', 'werkstatt', 'createdate']
const list1 = response.data.list
const data = this.formatJson(filterVal, list1)
export_json_to_excel(tHeader, data, '数据' + '_' + this.formatDate())
});
},
formatJson(filterVal, jsonData) {
return jsonData.map(v => filterVal.map(j => v[j]))
},
formatDate() { // 部分标题名
let time = new Date()
let year = time.getFullYear()
let month = time.getMonth() + 1
let day = time.getDate()
let hour = time.getHours()
let minute = time.getMinutes()
let seconds = time.getSeconds()
return year + "" + month + "" + day + "" + hour + "" + minute + "" + seconds
},
}
从后端传过来的数据如下：
{"list": [{"model": "myDjangoVue.r3data", "pk": "05c64952-f128-4ca8-993a-c643618dfabc", "fields": {"guanjian": "112411904", "werkstatt": "7581124", "antragsnr": "11904", "createdate": "20200713", "leitdaten": "1111", "provinz": "\u5317\u4eac\u5e02", "cheleixing": "L", "modell": "032FY", "schadteil": "7Q0 123 243", "nameschad": "\u6cf5", "hersteller": "A4A", "ergebnis": "\u53d1\u52a8\u673a\u6545\u969c\u706f\u4eae\uff0c\u8bca\u65ad\u6cf5\u6545\u969c\u3002\u66f4\u6362", "dipan": "LGM2A23C9A3045572", "motornr18": "DABNR0922", "getriebenr": "BESC021074D210113I", "zulassung": "2021-06-09", "cpdate": "2021-03-25", "km": 4190, "redatum": "2021-08-12", "kd": "2048", "rukudate": "2021-08-18", "teilstatus": "22", "status": "2", "chukudate": "1900-01-01", "lingyong": "", "auftragsnr": "1-20090810045", "costen": 321.83, "cx2": "03", "motordatum": "1900-01-01", "getrdatum": "1900-01-01", "dtcc": "-", "guzhangjianshu": "-", "brand": "-", "motorwerk": "-", "getriebe_werk": "-"}}, {"model": "myDjangoVue.r3data", "pk": "c4ca3c22-efc5-4719-9e2e-34e69c4c77e0", "fields": {"guanjian": "112411875", "werkstatt": "7581124", "antragsnr": "11875", "createdate": "20200711", "leitdaten": "1111", "provinz": "\u5317\u4eac\u5e02", "cheleixing": "", "modell": "022FY", "schadteil": "0AA 198 142", "nameschad": "\u7ef4\u4fee\u5957\u4ef6", "hersteller": "7AB", "ergebnis": "\u4e00\u6863\u5347\u4e8c\u6863\u4e0d\u52a0\u6cb9\u8f66\u6296\uff0c\u591a\u8def\u79bb\u5408\u5668\u6545\u969c\u3002\u66f4\u6362", "dipan": "LGM2A23C7K3054395", "motornr18": "DABN29052", "getriebenr": "DESC010547D190304-", "zulassung": "2019-08-15", "cpdate": "2019-04-11", "km": 53963, "repdatum": "2021-08-10", "kd": "3060", "rukudate": "2021-08-20", "teilstatus": "2", "status": "2", "chukudate": "1900-01-01", "lingyong": "", "auftragsnr": "1-20210810033", "costen": 8570.68, "cx2": "02", "motordatum": "1900-01-01", "getrdatum": "1900-01-01", "dtcc": "-", "guzhangjianshu": "-", "brand": "-", "motorwerk": "-", "getriebe_werk": "-"}}], "msg": "success", "error_num": 0}
