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图片下载器

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 2021-02-07 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name            图片下载器
  3. // @namespace       http://tampermonkey.net/
  4. // @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）
  5. // @version         1.18
  6. // @author          桃源隐叟
  7. // @include         *
  8. // @grant           GM_openInTab
  9. // @grant GM_download
  10. // @run-at            context-menu
  11. // @match        *
  12. // @match        https://www.bilibili.com/
  13. // @match        https://588ku.com/
  14. // @homepageURL       https://github.com/taoyuancun123/modifyText/blob/master/modifyText.js
  15. // @supportURL        https://greasyfork.org/zh-CN/scripts/419894/feedback
  16. // ==/UserScript==
  17.  
  18. (function () {
  19.     'use strict';
  20.  
  21.     try {
  22.         document.querySelector(".tyc-image-container").remove();
  23.     } catch {
  24.  
  25.     }
  26.     let imgUrls = [];
  27.     let bodyStr = document.body.innerHTML;
  28.  
  29.     try {
  30.         let imgEles = document.getElementsByTagName("img")
  31.  
  32.         for (let i = 0; i < imgEles.length; i++) {
  33.             ////console.log(imgEles[i].src);
  34.             if (!imgUrls.includes(imgEles[i].src)) {
  35.                 imgUrls.push(imgEles[i].src);
  36.             }
  37.  
  38.  
  39.         }
  40.  
  41.  
  42.     } catch {
  43.         //alert("error");
  44.     }
  45.  
  46.  
  47.     try {
  48.         let imgRegs = bodyStr.match(/(?<=background-image:\s*url\()(\S+)(?=\))/g);
  49.  
  50.         for (let i = 0; i < imgRegs.length; i++) {
  51.             ////console.log(imgRegs[i]);
  52.             if (!imgUrls.includes(imgRegs[i].replace(/&quot;/g, ""))) {
  53.                 imgUrls.push(imgRegs[i].replace(/&quot;/g, ""));
  54.             }
  55.  
  56.         }
  57.     } catch {
  58.         //alert("error");
  59.     }
  60.  
  61.  
  62.     let imgContainer = `
  63.     <div class="tyc-image-container" style="position:fixed;
  64.     top:0px;right:0px;width:50vw;z-index:2147483645;
  65.     background-color: #dedede;
  66.     border: 1px solid #aaa;
  67.     overflow:scroll;height:100%;
  68.     ">
  69.     <div class="control-section" style="width:46vw;z-index:2147483646;
  70.     position:fixed;right:30px;
  71.     top:0px;display:block;
  72.     height:40px;line-height:40px;
  73.     background:#eee;border:1px solid #aaa;border-radius:10px;">
  74.     <input class="select-all" type="checkbox" name="select-all" value="select-all">全选
  75.     <button class="btn-download" style="border:1px solid #aaa;border-radius:5px;
  76.     height:32px;line-height:32px;
  77.     margin:0px;padding:0 5px;
  78.     ">download</button>
  79. <span style="margin-left:10px;">共${imgUrls.length}张图片</span>
  80.     <button class="btn-close" style="font-size:20px;position:absolute;
  81.     right:30px;top:4px;
  82.     height:32px;line-height:32px;
  83.     margin:0px;
  84.     border-radius:10px;border:1px solid #aaa;
  85.     width:30px;">X</button>
  86.     </div>
  87. <div class="tyc-image-wrapper" style="margin-top:42px;display:flex;justify-content:center;
  88. align-items:center;flex-wrap:wrap;">
  89. </div>
  90.     </div>
  91.     `
  92.  
  93.     let showBigImage = `
  94.         <div class="show-big-image" style="position:fixed;left:30%;top:30%;z-index:2147483647;">
  95.         </div>
  96.     `
  97.  
  98.     document.body.insertAdjacentHTML("afterbegin", imgContainer);
  99.  
  100.     document.querySelector(".btn-close").onclick = (e) => {
  101.         document.querySelector(".tyc-image-container").remove();
  102.     }
  103.  
  104.     document.querySelector(".btn-download").onclick = (e) => {
  105.         if (document.querySelector(".select-all").checked) {
  106.             imgUrls.forEach((img, index) => {
  107.                 GM_download(img, `pic-${index}`);
  108.             });
  109.         } else {
  110.             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");
  111.         }
  112.     }
  113.  
  114.  
  115.     imgUrls.forEach((img, index) => {
  116.         let insertImg = `<div class="tyc-img-item-container-${index}" style="text-align:center;font-size:0px;
  117. margin:5px;border:1px solid #99d;border-radius:3px;
  118. ">
  119. <img class="tyc-image-preview" src="${img}"/ style="width:auto;height:200px;"></div>`
  120.         document.querySelector(".tyc-image-wrapper").insertAdjacentHTML("beforeend", insertImg);
  121.         let naturalW = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalWidth;
  122.         let naturalH = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalHeight;
  123.  
  124.         let imgInfoContainer = `
  125.         <div style="font-size:0px;background-color:rgba(100,100,100,0.6);height:30px;position:relative;">
  126.  
  127.  
  128. </div>
  129.         `;
  130.  
  131.         let thisImgContainer = document.querySelector(`.tyc-img-item-container-${index}`);
  132.         let imgContainerWidth = thisImgContainer.getBoundingClientRect().width;
  133.         let imgInfo = `
  134.         <span style="font-size:16px;position:absolute;left:calc(50% - 80px);top:7px;">${naturalW}X${naturalH}</span>
  135.         `;
  136.  
  137.         let downAndFullBtn = `
  138. <span style="position:absolute;right:calc(50% - 30px);top:2px;border:1px solid #333;
  139. width:26px;height:26px;border-radius:20px;" class="preview-img">
  140. <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;">
  141.   <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"/>
  142. </svg>
  143. </span>
  144. <span style="position:absolute;right:calc(50% - 60px);top:2px;border:1px solid #333;
  145. width:26px;height:26px;border-radius:20px;
  146. " class="download-direct">
  147. <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;">
  148.   <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"/>
  149.   <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"/>
  150. </svg>
  151. </span>
  152.  
  153. `;
  154.  
  155.  
  156.         thisImgContainer.insertAdjacentHTML("beforeend", imgInfoContainer);
  157.  
  158.         let thisImgInfoContainer = thisImgContainer.querySelector("div");
  159.  
  160.         let rectWidth = parseInt(thisImgContainer.getBoundingClientRect().width);
  161.  
  162.         if (rectWidth > 120) {
  163.             thisImgInfoContainer.insertAdjacentHTML("beforeend", imgInfo);
  164.             thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn);
  165.         } else if (rectWidth <= 120 && rectWidth >= 50) {
  166.             thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn);
  167.             thisImgInfoContainer.getElementsByClassName("preview-img")[0].style.right = "50%";
  168.             thisImgInfoContainer.getElementsByClassName("download-direct")[0].style.right = "calc(50% - 30px)";
  169.  
  170.  
  171.         }
  172.  
  173.  
  174.         ////console.log(img);
  175.     });
  176.  
  177.     document.body.onclick = (e) => {
  178.         //console.log(e);
  179.         if ((e.target.nodeName == "IMG" && e.target.className === "tyc-image-preview") || e.target.classList[1] == "bi-arrows-fullscreen" || e.path.find(isPreview) != undefined) {
  180.             let imgContainer = e.path.find(
  181.  
  182.                 (ele) => {
  183.                     try {
  184.                         //console.log(ele);
  185.                         return ele.className.includes("tyc-img-item-container");
  186.                     }
  187.                     catch {
  188.  
  189.                     }
  190.  
  191.                 }
  192.             )
  193.             let path = imgContainer.getElementsByTagName("img")[0].src;
  194.  
  195.             try {
  196.                 let container = document.querySelector(".show-big-image");
  197.                 if (container.getElementsByTagName("img")[0].src === path) {
  198.                     container.remove();
  199.                     return;
  200.                 } else {
  201.                     container.remove();
  202.                 }
  203.             }
  204.             catch {
  205.  
  206.             }
  207.             document.body.insertAdjacentHTML("beforeend", showBigImage);
  208.  
  209.             let showItem = `<img src="${path}"/>`
  210.  
  211.             document.querySelector(".show-big-image").insertAdjacentHTML("beforeend", showItem);
  212.  
  213.             let tempImg = document.querySelector(".show-big-image img");
  214.  
  215.             let dWidth = (window.innerWidth - tempImg.width) / 2;
  216.             let dHeight = (window.innerHeight - tempImg.height) / 2;
  217.  
  218.             document.querySelector(".show-big-image").style.left = dWidth + "px";
  219.             document.querySelector(".show-big-image").style.top = dHeight + "px";
  220.         } else if (e.target.parentElement.className === "show-big-image") {
  221.             try {
  222.                 document.querySelector(".show-big-image").remove();
  223.             }
  224.             catch
  225.             {
  226.  
  227.             }
  228.  
  229.         } else if (e.target.classList[1] == "bi-download" || e.path.find(isDownload) != undefined) {
  230.             let imgContainer = e.path.find(
  231.  
  232.                 (ele) => {
  233.                     try {
  234.                         //console.log(ele);
  235.                         return ele.className.includes("tyc-img-item-container");
  236.                     }
  237.                     catch {
  238.  
  239.                     }
  240.  
  241.                 }
  242.             )
  243.             let path = imgContainer.getElementsByTagName("img")[0].src;
  244.             var filename;
  245.             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
  246.             {
  247.                 filename = path.substring(path.lastIndexOf("/") + 1, path.lastIndexOf("."));
  248.             }
  249.             else {
  250.                 filename = path;
  251.             }
  252.             //console.log("download start" + path + " " + filename);
  253.             GM_download(path, "pic");
  254.         }
  255.     }
  256.  
  257.     function isDownload(ele) {
  258.         return ele.className == "download-direct";
  259.     }
  260.  
  261.     function isPreview(ele) {
  262.         return ele.className == "preview-img";
  263.     }
  264. })();