可以在绝大多数网站提取并批量下载图片。尤其是类似于千库网、包图网这种，不能右键保存图片或者保存的图片文件格式无法识别，均可以用脚本提取，然后用脚本提供的下载按钮，就可以下载到正确格式的图片文件。其他的淘宝、天猫电商图片批量下载，youtube、B站封面下载，等等都可以的。点击右键-tampermonkey-图片下载器，按这个顺序使用。(目前只适合tampermonkey，其他没试过行不行）
当前为
// ==UserScript==
// @name 图片下载器
// @namespace http://tampermonkey.net/
// @description 可以在绝大多数网站提取并批量下载图片。尤其是类似于千库网、包图网这种，不能右键保存图片或者保存的图片文件格式无法识别，均可以用脚本提取，然后用脚本提供的下载按钮，就可以下载到正确格式的图片文件。其他的淘宝、天猫电商图片批量下载，youtube、B站封面下载，等等都可以的。点击右键-tampermonkey-图片下载器，按这个顺序使用。(目前只适合tampermonkey，其他没试过行不行）
// @version 1.22
// @author 桃源隐叟
// @include *
// @grant GM_openInTab
// @grant GM_download
// @run-at context-menu
// @match *
// @match https://www.bilibili.com/
// @match https://588ku.com/
// @homepageURL https://github.com/taoyuancun123/modifyText/blob/master/modifyText.js
// @supportURL https://greasyfork.org/zh-CN/scripts/419894/feedback
// ==/UserScript==
(function () {
'use strict';
try {
document.querySelector(".tyc-image-container").remove();
} catch {
}
let imgUrls = [];
let bodyStr = document.body.innerHTML;
let imgSelected=[];
let imgWaitDownload=[];
try {
let imgEles = document.getElementsByTagName("img")
for (let i = 0; i < imgEles.length; i++) {
////console.log(imgEles[i].src);
if (!imgUrls.includes(imgEles[i].src)) {
imgUrls.push(imgEles[i].src);
}
}
} catch {
//alert("error");
}
try {
let imgRegs = bodyStr.match(/(?<=background-image:\s*url\()(\S+)(?=\))/g);
for (let i = 0; i < imgRegs.length; i++) {
////console.log(imgRegs[i]);
if (!imgUrls.includes(imgRegs[i].replace(/"/g, ""))) {
imgUrls.push(imgRegs[i].replace(/"/g, ""));
}
}
} catch {
//alert("error");
}
let imgContainer = `
<div class="tyc-image-container" style="position:fixed;
top:0px;right:0px;width:50vw;z-index:2147483645;
background-color: #dedede;
border: 1px solid #aaa;
overflow:scroll;height:100%;
">
<div class="control-section" style="width:46vw;z-index:2147483646;
position:fixed;right:30px;
top:0px;display:block;
height:40px;line-height:40px;
background:#eee;border:1px solid #aaa;border-radius:10px;">
<input class="select-all" type="checkbox" name="select-all" value="select-all">全选
<button class="btn-download" style="border:1px solid #aaa;border-radius:5px;
height:32px;line-height:32px;
margin:0px;padding:0 5px;
">download</button>
<span style="margin-left:10px;" class="num-tip">已选(0/${imgUrls.length})张图片</span>
<button class="btn-close" style="font-size:20px;position:absolute;
right:30px;top:4px;
height:32px;line-height:32px;
margin:0px;
border-radius:10px;border:1px solid #aaa;
width:30px;">X</button>
</div>
<div class="tyc-image-wrapper" style="margin-top:42px;display:flex;justify-content:center;
align-items:center;flex-wrap:wrap;">
</div>
</div>
`
let showBigImage = `
<div class="show-big-image" style="position:fixed;left:30%;top:30%;z-index:2147483647;">
</div>
`
document.body.insertAdjacentHTML("afterbegin", imgContainer);
document.querySelector(".btn-close").onclick = (e) => {
document.querySelector(".tyc-image-container").remove();
}
document.querySelector(".btn-download").onclick = (e) => {
/* if (document.querySelector(".select-all").checked) {
imgUrls.forEach((img, index) => {
GM_download(img, `pic-${index}`);
});
} else {
alert("请勾选全选，下载全部，或者手动在图片上右键另存为指定图片");
} */
if(imgWaitDownload.length>=1){
imgWaitDownload.forEach((img, index) => {
GM_download(img, `pic-${index}`);
});
}else{
alert("请至少选中一张图片。");
}
}
if(window.location.href.includes("hathitrust.org")){
//imgUrls=[];
let imgs=document.querySelectorAll(".image img");
if(imgs.length>0){
let canvas=document.createElement("canvas");
imgUrls=[];
for(let pi=0;pi<imgs.length;pi++){
canvas.width=imgs[pi].width;
canvas.height=imgs[pi].height;
canvas.getContext("2d").drawImage(imgs[pi], 0, 0);
imgUrls.push(canvas.toDataURL("image/png"));
}
}else{
}
}
imgUrls.forEach((img, index) => {
let insertImg = `<div class="tyc-img-item-container-${index}" style="text-align:center;font-size:0px;
margin:5px;border:1px solid #99d;border-radius:3px;
">
<img class="tyc-image-preview" src="${img}"/ style="width:auto;height:200px;"></div>`
document.querySelector(".tyc-image-wrapper").insertAdjacentHTML("beforeend", insertImg);
let naturalW = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalWidth;
let naturalH = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalHeight;
let imgInfoContainer = `
<div style="font-size:0px;background-color:rgba(100,100,100,0.6);height:30px;position:relative;">
</div>
`;
let thisImgContainer = document.querySelector(`.tyc-img-item-container-${index}`);
let imgContainerWidth = thisImgContainer.getBoundingClientRect().width;
let imgInfo = `
<span style="font-size:16px;position:absolute;left:calc(50% - 80px);top:7px;">${naturalW}X${naturalH}</span>
`;
/*
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-arrows-fullscreen" viewBox="0 0 16 16" style="position:absolute;top:5px;right:5px;">
<path fill-rule="evenodd" d="M5.828 10.172a.5.5 0 0 0-.707 0l-4.096 4.096V11.5a.5.5 0 0 0-1 0v3.975a.5.5 0 0 0 .5.5H4.5a.5.5 0 0 0 0-1H1.732l4.096-4.096a.5.5 0 0 0 0-.707zm4.344 0a.5.5 0 0 1 .707 0l4.096 4.096V11.5a.5.5 0 1 1 1 0v3.975a.5.5 0 0 1-.5.5H11.5a.5.5 0 0 1 0-1h2.768l-4.096-4.096a.5.5 0 0 1 0-.707zm0-4.344a.5.5 0 0 0 .707 0l4.096-4.096V4.5a.5.5 0 1 0 1 0V.525a.5.5 0 0 0-.5-.5H11.5a.5.5 0 0 0 0 1h2.768l-4.096 4.096a.5.5 0 0 0 0 .707zm-4.344 0a.5.5 0 0 1-.707 0L1.025 1.732V4.5a.5.5 0 0 1-1 0V.525a.5.5 0 0 1 .5-.5H4.5a.5.5 0 0 1 0 1H1.732l4.096 4.096a.5.5 0 0 1 0 .707z"/>
</svg>*/
let downAndFullBtn = `
<span style="position:absolute;right:calc(50% - 30px);top:2px;border:1px solid #333;
width:26px;height:26px;border-radius:20px;" class="select-image" data-value="${index}">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check" viewBox="0 0 16 16" style="position:absolute;top:-1px;right:-2px;width:30px;height:30px;" data-value="${index}">
<path d="M10.97 4.97a.75.75 0 0 1 1.07 1.05l-3.99 4.99a.75.75 0 0 1-1.08.02L4.324 8.384a.75.75 0 1 1 1.06-1.06l2.094 2.093 3.473-4.425a.267.267 0 0 1 .02-.022z"/>
</svg>
</span>
<span style="position:absolute;right:calc(50% - 60px);top:2px;border:1px solid #333;
width:26px;height:26px;border-radius:20px;
" class="download-direct">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-download" viewBox="0 0 16 16" style="position:absolute;top:5px;right:5px;">
<path d="M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z"/>
<path d="M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z"/>
</svg>
</span>
`;
let downloadBtn=`
<span style="position:absolute;right:calc(50% - 15px);top:2px;border:1px solid #333;
width:26px;height:26px;border-radius:20px;
" class="download-direct">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-download" viewBox="0 0 16 16" style="position:absolute;top:5px;right:5px;">
<path d="M.5 9.9a.5.5 0 0 1 .5.5v2.5a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1v-2.5a.5.5 0 0 1 1 0v2.5a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2v-2.5a.5.5 0 0 1 .5-.5z"/>
<path d="M7.646 11.854a.5.5 0 0 0 .708 0l3-3a.5.5 0 0 0-.708-.708L8.5 10.293V1.5a.5.5 0 0 0-1 0v8.793L5.354 8.146a.5.5 0 1 0-.708.708l3 3z"/>
</svg>
</span>
`
thisImgContainer.insertAdjacentHTML("beforeend", imgInfoContainer);
let thisImgInfoContainer = thisImgContainer.querySelector("div");
let rectWidth = parseInt(thisImgContainer.getBoundingClientRect().width);
if (rectWidth > 120) {
thisImgInfoContainer.insertAdjacentHTML("beforeend", imgInfo);
thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn);
} else if (rectWidth <= 120 && rectWidth >= 50) {
thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn);
thisImgInfoContainer.getElementsByClassName("select-image")[0].style.right = "50%";
thisImgInfoContainer.getElementsByClassName("download-direct")[0].style.right = "calc(50% - 30px)";
}else{
thisImgInfoContainer.insertAdjacentHTML("beforeend", downloadBtn);
}
////console.log(img);
});
document.body.onclick = (e) => {
//console.log(e);
if ((e.target.nodeName == "IMG" && e.target.className === "tyc-image-preview") ) {
let imgContainer = e.path.find(
(ele) => {
try {
//console.log(ele);
return ele.className.includes("tyc-img-item-container");
}
catch {
}
}
)
let path = imgContainer.getElementsByTagName("img")[0].src;
try {
let container = document.querySelector(".show-big-image");
if (container.getElementsByTagName("img")[0].src === path) {
container.remove();
return;
} else {
container.remove();
}
}
catch {
}
document.body.insertAdjacentHTML("beforeend", showBigImage);
let showItem = `<img src="${path}"/>`
document.querySelector(".show-big-image").insertAdjacentHTML("beforeend", showItem);
let tempImg = document.querySelector(".show-big-image img");
let dWidth = (window.innerWidth - tempImg.width) / 2;
let dHeight = (window.innerHeight - tempImg.height) / 2;
document.querySelector(".show-big-image").style.left = dWidth + "px";
document.querySelector(".show-big-image").style.top = dHeight + "px";
} else if (e.target.parentElement.className === "show-big-image") {
try {
document.querySelector(".show-big-image").remove();
}
catch
{
}
} else if (e.target.classList[1] == "bi-download" || e.path.find(isDownload) != undefined) {
let imgContainer = e.path.find(
(ele) => {
try {
//console.log(ele);
return ele.className.includes("tyc-img-item-container");
}
catch {
}
}
)
let path = imgContainer.getElementsByTagName("img")[0].src;
var filename;
if (path.indexOf("/") > 0)//如果包含有"/"号 从最后一个"/"号+1的位置开始截取字符串
{
filename = path.substring(path.lastIndexOf("/") + 1, path.lastIndexOf("."));
}
else {
filename = path;
}
//console.log("download start" + path + " " + filename);
GM_download(path, "pic");
}else if(e.target.classList[1] == "bi-check" || e.path.find(isSelect) != undefined){
let checkSvg=e.path.find((ele)=>ele.classList[1]==="bi-check");
let currentImg=parseInt(checkSvg.dataset.value);
let container=e.path.find((ele)=>ele.className===`tyc-img-item-container-${currentImg}`);
if(imgSelected.includes(currentImg)){
imgSelected.splice(imgSelected.indexOf(currentImg),1);
checkSvg.style.color="black";
container.style.border="1px solid #99d";
}else{
imgSelected.push(currentImg);
checkSvg.style.color="white";
container.style.border="1px solid white";
}
document.querySelector(".num-tip").innerText=`已选(${imgSelected.length}/${imgUrls.length})张图片`;
transIndexToLink();
}
}
document.querySelector(".select-all").onchange=(e)=>{
if (document.querySelector(".select-all").checked) {
imgWaitDownload=imgUrls;
} else {
transIndexToLink();
}
document.querySelector(".num-tip").innerText=`已选(${imgWaitDownload.length}/${imgUrls.length})张图片`;
}
function isDownload(ele) {
return ele.className == "download-direct";
}
function isSelect(ele) {
return ele.className == "select-image";
}
function transIndexToLink(){
imgWaitDownload=[];
imgSelected.forEach((imgIndex,index)=>{
imgWaitDownload.push(imgUrls[imgIndex]);
});
}
})();