前端JS Excel解析导入

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需要引入：

html：

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <meta http-equiv="X-UA-Compatible" content="ie=edge">

</head>

<body>

  <input type="file" onchange="importXlsx(this)">

</body>

JS：

  function importXlsx(e) {

    let files = e.files;

    for (let i = 0; i < files.length; i++) {

      let reader = new FileReader();

      let name = files[i].name;

      reader.onload = function (e) {

        let data = e.target.result;

        let workbook = XLSX.read(data, {

          type: typeof FileReader !== "undefined" && (FileReader.prototype || {}).readAsBinaryString ?

            'binary' : 'array'

        });

        let workbookSheets = workbook.Sheets;

        for (let sheet in workbookSheets) {

          if (workbookSheets.hasOwnProperty(sheet)) {

            fromTo = workbookSheets[sheet]['!ref'];

            let xlsxData = XLSX.utils.sheet_to_json(workbookSheets[sheet]);

            // 结果数组

            console.log(sheet)

            console.log(xlsxData);

          }

        }

      };

      reader.readAsBinaryString(files[i]);

    }

  }