js xlsx 的导出

1.安装依赖

npm install -S file-saver xlsx
npm install -D script-loader

 

2.项目中src下新建一个js文件夹放入两个文件  Blob.js和 Export2Excel.js

 

3.使用

onExport:function(){
  // console.log('导出EXCEL');
  const list = this.$refs.workpage.tableData;
  require.ensure([], () => {
    const {export_json_to_excel} = require('../../../js/Export2Excel.js');
    const tHeader = ['手机号', '微信昵称'];   //自己定义输出的数据 这是表格头部
    const filterVal = ['mobile', 'nickname'];  //对应数据中的字段名称
    const data = this.formatJson(filterVal, list);
    export_json_to_excel(tHeader, data, '导出' + new Date().getDates());
  });
},

formatJson(filterVal, jsonData) {
  return jsonData.map(v => filterVal.map(j => v[j]))
},

4.附上 Blob.js和 Export2Excel.js 两个文件

Blob.js

/* eslint-disable */
/* Blob.js
 * A Blob implementation.
 * 2014-05-27
 *
 * By Eli Grey, http://eligrey.com
 * By Devin Samarin, https://github.com/eboyjr
 * License: X11/MIT
 *   See LICENSE.md
 */

/*global self, unescape */
/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
 plusplus: true */

/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
/*excel导入导出*/

(function (view) {
    "use strict";

    view.URL = view.URL || view.webkitURL;

    if (view.Blob && view.URL) {
        try {
            new Blob;
            return;
        } catch (e) {}
    }

    // Internally we use a BlobBuilder implementation to base Blob off of
    // in order to support older browsers that only have BlobBuilder
    var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function(view) {
            var
                get_class = function(object) {
                    return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
                }
                , FakeBlobBuilder = function BlobBuilder() {
                    this.data = [];
                }
                , FakeBlob = function Blob(data, type, encoding) {
                    this.data = data;
                    this.size = data.length;
                    this.type = type;
                    this.encoding = encoding;
                }
                , FBB_proto = FakeBlobBuilder.prototype
                , FB_proto = FakeBlob.prototype
                , FileReaderSync = view.FileReaderSync
                , FileException = function(type) {
                    this.code = this[this.name = type];