vue下载xlsx表格

// 导入依赖库
import XLSX from 'xlsx';
import FileSaver from 'file-saver';
methods:{
	btn(){
	let date = new Date()
    let Y = date.getFullYear() + '-'
    let M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-'
    let D = (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + ' '
    var dates='体检接口_'+Y + M + D
		
		// 构建表格数据
        const header = ['序号', '系统编码', '系统名称', '编码', '名称', '单位', '单位转换','转换参数',];
            const data1 = this.rightArr.map((item,index) => [index+1, item.sysCode, item.sysName,item.code,item.name,item.unit,'','']);
            const worksheet = XLSX.utils.aoa_to_sheet([header, ...data1]);

            // 创建工作簿并保存到本地
            const workbook = XLSX.utils.book_new();
            XLSX.utils.book_append_sheet(workbook, worksheet, 'Sheet1');
            const excelBuffer = XLSX.write(workbook, { bookType: 'xlsx', type: 'array' });
            // const date = new Date().toLocaleDateString();
            const fileName = `${dates}.xlsx`;//表格名称
            const blob = new Blob([excelBuffer], { type: 'application/octet-stream' });
            FileSaver.saveAs(blob, fileName);
	}
}