Vue中 JSON数据导出为Excel文件需要的Blob.js与Export2Excel.js文件

本文链接：https://blog.youkuaiyun.com/cos45sec/article/details/122257892

本文介绍了在Vue项目中如何将JSON数据导出为Excel文件，涉及安装依赖、使用Blob.js及Export2Excel.js。提供了一个详细的使用示例链接，帮助开发者实现这一功能。

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1.安装依赖

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

2.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 */
 
(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];
                }
                , file_ex_codes = (
                    "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
                    + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
                ).split(" ")
                , file_ex_code = file_ex_codes.length
                , real_URL = view.URL || view.webkitURL || view
                , real_create_object_URL = real_URL.createObjectURL
                , real_revoke_object_URL = real_URL.revokeObjectURL
                , URL = real_URL
                , btoa = view.btoa
                , atob = view.atob
 
                , ArrayBuffer = view.ArrayBuffer
                , Uint8Array = view.Uint8Array
                ;
            FakeBlob.fake = FB_proto.fake = true;
            while (file_ex_code--) {
   
   
                FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
            }
            if (!real_URL.createObjectURL) {
   
   
                URL = view.URL = {
   
   };
            }
            URL.createObjectURL = function(blob) {
   
   
                var
                    type = blob.type
                    , data_URI_header
                    ;
                if (type === null) {
   
   
                    type = "application/octet-stream";
                }
                if (blob instanceof FakeBlob) {
   
   
                    data_URI_header = "data:" + type;
                    if (blob.encoding === "base64") {
   
   
                        return data_URI_header + ";base64," + blob.data;
                    } else if (blob.encoding === "URI") {