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电百网PDF在线下载

[电百网PDF在线下载] 注:本脚本仅是一个操作指导,并没有自动实现具体功能。脚本仅供学习研究计算机技术使用,严禁用于非法行为。

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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回复【脚本】获取最新教程和防失联地址

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

🚀 安装遇到问题?关注公众号获取帮助

公众号二维码

扫码关注【爱吃馍】

回复【脚本】获取最新教程和防失联地址

// ==UserScript==
// @name         电百网PDF在线下载
// @namespace    https://userscript.snomiao.com/
// @version      v2020.08.14
// @description  [电百网PDF在线下载] 注:本脚本仅是一个操作指导,并没有自动实现具体功能。脚本仅供学习研究计算机技术使用,严禁用于非法行为。
// @author       [email protected]
// @match        https://www.ceppedu.com/home/pdf-preview-web/*
// @grant        none
// ==/UserScript==
//
// Copyright © 2020 snomiao 转载请注明出处
//

console.log(
  "[电百网PDF在线下载] 注:本脚本仅是一个操作指导,并没有自动实现具体功能。脚本仅供学习研究计算机技术使用,严禁用于非法行为。"
);

() => {
  ```
    打开开发者工具
    点 Source
    找到 UIExtension.full.****.js
    搜索 ZoomInAndOutController
    在后面的 handle 函数内部,配置 断点
    点一下缩小的放大镜,此时将停在断点处
    打开控制台,执行下面的代码
    ```;

  _this = this;

  ```
    然后点继续执行(离开断点)
    然后执行下面代码,即可下载到 pdf 文件
    ```;

  function createAndDownloadBlobFile(
    arrayBuffers,
    filename,
    extension = "pdf"
  ) {
    const blob = new Blob(arrayBuffers);
    const fileName = `${filename}.${extension}`;
    if (navigator.msSaveBlob) {
      // IE 10+
      navigator.msSaveBlob(blob, fileName);
    } else {
      const link = document.createElement("a");
      // Browsers that support HTML5 download attribute
      if (link.download !== undefined) {
        const url = URL.createObjectURL(blob);
        link.setAttribute("href", url);
        link.setAttribute("download", fileName);
        link.style.visibility = "hidden";
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);
      }
    }
  }

  var o = (function () {
    return function (t, e) {
      if (Array.isArray(t)) return t;
      if (Symbol.iterator in Object(t))
        return (function (t, e) {
          var n = [],
            o = !0,
            r = !1,
            i = void 0;
          try {
            for (
              var a, s = t[Symbol.iterator]();
              !(o = (a = s.next()).done) &&
              (n.push(a.value), !e || n.length !== e);
              o = !0
            );
          } catch (t) {
            (r = !0), (i = t);
          } finally {
            try {
              !o && s.return && s.return();
            } finally {
              if (r) throw i;
            }
          }
          return n;
        })(t, e);
      throw new TypeError(
        "Invalid attempt to destructure non-iterable instance"
      );
    };
  })();

  Object.entries(window).map((e) => e[1].getPDFUI);
  _this
    .getPDFUI()
    .getPDFViewer()
    .then(function (t) {
      var e = [];
      return t.currentPDFDoc
        .getStream(function (t) {
          var n = t.arrayBuffer;
          e.push(n);
        })
        .then(function (n) {
          return [e, t.currentPDFDoc.getFileName()];
        });
    })
    .then(function (e) {
      var n = o(e, 2);
      createAndDownloadBlobFile(n[0], n[1]);
    });
};