@leevan/jtui/packages/jt-table-pc/importData.js

jt Components

import XLSX from 'xlsx'

export function importData(file,callBack) {

    var rABS = false; //是否将文件读取为二进制字符串

    var f = file;

    var reader = new FileReader();

    //if (!FileReader.prototype.readAsBinaryString) {
    var outdata;
    FileReader.prototype.readAsBinaryString = function(f) {

        var binary = "";

        var rABS = false; //是否将文件读取为二进制字符串

        var pt = this;

        var wb; //读取完成的数据

        var reader = new FileReader();

        reader.onload = function(e) {

        var bytes = new Uint8Array(reader.result);

        var length = bytes.byteLength;

        for(var i = 0; i < length; i++) {

            binary += String.fromCharCode(bytes[i]);

        }

        //var XLSX = require('xlsx');

        if(rABS) {

            wb = XLSX.read(btoa(fixdata(binary)), { //手动转化
            type: 'base64'
            });

        } else {

            wb = XLSX.read(binary, {

            type: 'binary'

            });

        }
        // outdata就是你想要的东西 excel导入的数据
        outdata = XLSX.utils.sheet_to_json(wb.Sheets[wb.SheetNames[0]]);
            // excel 数据再处理
            callBack(outdata);
        }
        reader.readAsArrayBuffer(f);

    }

    if(rABS) {

        reader.readAsArrayBuffer(f);

    } else {

        reader.readAsBinaryString(f);

    }
}