exceljs read file

1// i use the vue template
2<input type="file" @change="handleChange" />
3handleChange(e) {
4  this.file = e.target.files[0]
5},
6handleImport() {
7  const wb = new Excel.Workbook();
8  const reader = new FileReader()
9
10  reader.readAsArrayBuffer(this.file)
11  reader.onload = () => {
12    const buffer = reader.result;
13    wb.xlsx.load(buffer).then(workbook => {
14      console.log(workbook, 'workbook instance')
15      workbook.eachSheet((sheet, id) => {
16        sheet.eachRow((row, rowIndex) => {
17          console.log(row.values, rowIndex)
18        })
19      })
20    })
21  }
22}

1var workbook = new Excel.Workbook(); 
2workbook.xlsx.readFile(filename)
3    .then(function() {
4        var worksheet = workbook.getWorksheet(sheet);
5        worksheet.eachRow({ includeEmpty: true }, function(row, rowNumber) {
6          console.log("Row " + rowNumber + " = " + JSON.stringify(row.values));
7        });
8});