某些学校分享电子书，提取图片进行打印。
// ==UserScript==
// @name bookget
// @author songshu
// @description 某些学校分享电子书，提取图片进行打印。
// @version 2022.12.31.10
// @include *://book.yunzhan365.com/mmdh/*
// @include *://book.yunzhan365.com/*
// @include *://www.yunzhan365.com/*
// @include *://bp.pep.com.cn/ebook/*
// @run-at document-end
// @namespace https://greasyfork.org/zh-CN/users/songshu
// @license The MIT License (MIT); http://opensource.org/licenses/MIT
// ==/UserScript==
(function () {
'use strict';
//alert("欢迎使用图片提取插件");
//添加图片一键提取
setTimeout(clock, 2000);
function clock(){
getbook("bookContainer");
document.getElementById('bookContainer').addEventListener('click', showjpg, false); //默认自动加载;
}
function getbook(divID) {//bookContainer getbook("bookContainer");
var modmenut,
AnYigetjpg;
modmenut = document.getElementById(divID);
if (modmenut) {
AnYigetjpg = document.createElement('div');
AnYigetjpg.setAttribute('id','begbut');
AnYigetjpg.innerHTML = '<div style="z-index:99999;margin-top: 2px;left:70px;right:auto ; position: fixed;bottom: 100px;background:#28c0c6;border:1px #cdcdcd solid; "> <button id="getjpg" name="getjpg" ><span style="font-size: 22px;margin:3px;">获得图片</span></button></div>';
modmenut.insertBefore(AnYigetjpg, modmenut.firstchild);
//modmenut.innerHTML = AnYigetjpg.innerHTML;
}
}
function showjpg(){//显示已获取的图片地址
var i;//初始页
var page;//初始页
var phtml;//图片地址。
i = getbeginID();
page="page"+i;
phtml="";
while(ifdivid(page)){
var jpgurl=gethref(page);
if(jpgurl){
phtml=phtml+ "<a target=\"_blank\" href='"+jpgurl+"'>"+page+"</a>";
}
i=Number(i)+1;
page="page"+i;
}
var showjpgdiv;
showjpgdiv = document.getElementById("showjpgid");
if(showjpgdiv){
var showjpgdivnxt=showjpgdiv.getElementsByTagName("div");
showjpgdivnxt[0].innerHTML = phtml;
}
else {
showjpgdiv= document.createElement('div');
showjpgdiv.setAttribute('id','showjpgid');
showjpgdiv.innerHTML = '<div style="z-index:1005;margin-top: 2px;left:70px;right:auto ; position: fixed;bottom: 150px;background:#28c0c6;border:1px #cdcdcd solid; ">'+phtml+'</div>';
}
var getjpgdiv = document.getElementById("bookContainer");
getjpgdiv.insertBefore(showjpgdiv,getjpgdiv.firstchild);
}
function getbeginID(){//判断是否存在该id
var path=1;
var i=0;
var domi;
if(ifdivid("bookContainer")>0){
domi = document.getElementById("bookContainer");
var domibook =domi.getElementsByClassName("book");//book
if(domibook){
var dividpage=domibook[3].getElementsByClassName("down-single-mask-side");//选用第二个book里的内容。
var divpageMask=dividpage[i];
while(!divpageMask.id){
i=i+1;
divpageMask=dividpage[i];
}
path=divpageMask.id;
path = path.substring(8,path.length); //文件名称去掉路径和后缀名
return path;
}
else return 1;
}
else return 1;
}
function ifdivid(divID){//判断是否存在该id
var domi;
domi = document.getElementById(divID);
if(domi){
return 1;
}
else return 0;
}
function gethref(page){
var imgurl="";
var jpgdiv= document.getElementById(page).getElementsByTagName("div");
var jpgget= jpgdiv[0].getElementsByTagName("img");
if(jpgget[0].src){
imgurl=jpgget[0].src;
imgurl=imgurl.substring(0, imgurl.indexOf("?"));
return imgurl;
}
else return "";
}
}) ();