vue结合element UI 的upload控件实现读取本机的

原文链接：https://blog.csdn.net/liyi_mowu/article/details/84768140

安装依赖

npm install xlsx

引入

import XLSX from 'xlsx'

结合element UI 的upload控件实现读取文件并生成数组

upload绑定函数

    upload(file,fileList){
        console.log("file",file);
        console.log("fileList",fileList);
        let files = {0:file.raw}
        this.readExcel1(files);
    }

readExcel1主函数

readExcel1(files) {//表格导入
        var that = this;
        console.log(files);
        if(files.length<=0){//如果没有文件名
            return false;
        }else if(!/\.(xls|xlsx)$/.test(files[0].name.toLowerCase())){
            this.$Message.error('上传格式不正确，请上传xls或者xlsx格式');
            return false;
        }

        const fileReader = new FileReader();
        fileReader.onload = (ev) => {
            try {
                const data = ev.target.result;
                const workbook = XLSX.read(data, {
                    type: 'binary'
                });
                const wsname = workbook.SheetNames[0];//取第一张表
                const ws = XLSX.utils.sheet_to_json(workbook.Sheets[wsname]);//生成json表格内容
                console.log(ws);
                // that.peopleArr = [];//清空接收数据
                // if(that.peopleArr.length == 1 && that.peopleArr[0].roleName == "" && that.peopleArr[0].enLine == ""){
                //     that.peopleArr = [];
                // }
                //重写数据
                try{
                    
                }catch(err){
                    console.log(err)
                }
                
                this.$refs.upload.value = '';
    
            } catch (e) {
    
                return false;
            }
        };
        fileReader.readAsBinaryString(files[0]);
    },