利用ExcelJS读取Excel文件（1）

参考文档

• https://blog.csdn.net/qq_41374651/article/details/115663014
• https://blog.csdn.net/qiuliaiali123/article/details/104392662
• https://www.jianshu.com/p/fc96e22c4df1

最终效果

代码

<template>
  <div class="test">
    <input type="file" ref="fileRef" />
    <button @click="read">读取excel数据</button>
  </div>
</template>

<script>
import Excel from 'exceljs'
export default {
  methods: {
    read() {
      const workbook = new Excel.Workbook()

      // 这种方式不行   这种在浏览器上不适用
      // https://github.com/Dream4ever/Knowledge-Base/issues/142
      // workbook.xlsx.readFile('a.xlsx').then(() => {
      //   console.log(1)
      // })

      const file = this.$refs.fileRef.files[0]
      // 1.将File类型转换成buffer
      const reader = new FileReader()
      reader.readAsArrayBuffer(file)
      reader.onloadend = (e) => {
        const buffer = e.target.result

        // 2.解析buffer
        workbook.xlsx.load(buffer).then((res) => {
          // console.log(res)
          const worksheet = res.getWorksheet(1)
          // sheet名称
          const sheetName = worksheet.name
          worksheet.eachRow((row, rowNumber) => {
            // console.log(row, rowNumber)
            row.eachCell((cell, colNumber) => {
              let value = ''
              // 判断单元格的类型
              //    6-公式 ;2-数值；3-字符串。
              if (cell.type == 6) {
                value = cell.result
              } else {
                value = cell.value
              }
              console.log(
                `当前为第${rowNumber}行,第${colNumber}列,值为：${value}`
              )
            })
          })
        })
      }

      // workbook.xlsx.load(file).then((res) => {
      // //   console.log(res)
      // })
    },
  },
}
</script>

<style scoped></style>