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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这种，不能右键保存图片的网站，提取之后，可以右键保存，或者直接下载所有的图片。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。

当前为 2021-01-28 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这种，不能右键保存图片的网站，提取之后，可以右键保存，或者直接下载所有的图片。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。
  5. // @version         1.11
  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://gf.qytechs.cn/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.     <button class="btn-close" style="font-size:20px;position:absolute;
  80.     right:30px;top:4px;
  81.     height:32px;line-height:32px;
  82.     margin:0px;
  83.     border-radius:10px;border:1px solid #aaa;
  84.     width:30px;">X</button>
  85.     </div>
  86. <div class="tyc-image-wrapper" style="margin-top:42px;display:flex;justify-content:center;
  87. align-items:center;flex-wrap:wrap;">
  88. </div>
  89.     </div>
  90.     `
  91.  
  92.     let showBigImage = `
  93.         <div class="show-big-image" style="position:fixed;left:30%;top:30%;z-index:2147483647;">
  94.         </div>
  95.     `
  96.  
  97.     document.body.insertAdjacentHTML("afterbegin", imgContainer);
  98.  
  99.     document.querySelector(".btn-close").onclick = (e) => {
  100.         document.querySelector(".tyc-image-container").remove();
  101.     }
  102.  
  103.     document.querySelector(".btn-download").onclick = (e) => {
  104.         if (document.querySelector(".select-all").checked) {
  105.             imgUrls.forEach((img, index) => {
  106.                 GM_download(img, `pic-${index}`);
  107.             });
  108.         } else {
  109.             alert("请勾选全选，下载全部，或者手动在图片上右键另存为指定图片");
  110.         }
  111.     }
  112.  
  113.  
  114.     imgUrls.forEach((img, index) => {
  115.         let insertImg = `<div class="tyc-img-item-container-${index}" style="text-align:center;font-size:0px;
  116. margin:5px;border:1px solid #99d;border-radius:3px;
  117. ">
  118. <img class="tyc-image-preview" src="${img}"/ style="width:auto;height:200px;"></div>`
  119.         document.querySelector(".tyc-image-wrapper").insertAdjacentHTML("beforeend", insertImg);
  120.         let naturalW = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalWidth;
  121.         let naturalH = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalHeight;
  122.  
  123.         let imgInfoContainer=`
  124.         <div style="font-size:0px;background-color:rgba(100,100,100,0.6);height:30px;position:relative;">
  125.  
  126.  
  127. </div>
  128.         `;
  129.  
  130.         let thisImgContainer=document.querySelector(`.tyc-img-item-container-${index}`);
  131.         let imgContainerWidth=thisImgContainer.getBoundingClientRect().width;
  132.         let imgInfo = `
  133.         <span style="font-size:16px;position:absolute;left:calc(50% - 80px);top:7px;">${naturalW}X${naturalH}</span>
  134.         `;
  135.  
  136. let downAndFullBtn=`
  137. <span style="position:absolute;right:calc(50% - 30px);top:2px;border:1px solid #333;
  138. width:26px;height:26px;border-radius:20px;" class="preview-img">
  139. <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;">
  140.   <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"/>
  141. </svg>
  142. </span>
  143. <span style="position:absolute;right:calc(50% - 60px);top:2px;border:1px solid #333;
  144. width:26px;height:26px;border-radius:20px;
  145. " class="download-direct">
  146. <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;">
  147.   <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"/>
  148.   <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"/>
  149. </svg>
  150. </span>
  151.  
  152. `;
  153.  
  154.         
  155. thisImgContainer.insertAdjacentHTML("beforeend", imgInfoContainer);
  156.  
  157. let thisImgInfoContainer=thisImgContainer.querySelector("div");
  158.  
  159.  
  160.         thisImgContainer.getBoundingClientRect().width > 120 && (thisImgInfoContainer.insertAdjacentHTML("beforeend", imgInfo),
  161.         thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn))
  162.         ////console.log(img);
  163.     });
  164.  
  165.     document.body.onclick = (e) => {
  166.         //console.log(e);
  167.         if ((e.target.nodeName=="IMG" && e.target.className==="tyc-image-preview")||e.target.classList[1] == "bi-arrows-fullscreen" ||e.path.find(isPreview) != undefined) {
  168.             let imgContainer = e.path.find(
  169.  
  170.                 (ele) => {
  171.                     try {
  172.                         //console.log(ele);
  173.                         return ele.className.includes("tyc-img-item-container");
  174.                     }
  175.                     catch {
  176.  
  177.                     }
  178.  
  179.                 }
  180.             )
  181.             let path = imgContainer.getElementsByTagName("img")[0].src;
  182.  
  183.             try {
  184.                 let container = document.querySelector(".show-big-image");
  185.                 if (container.getElementsByTagName("img")[0].src === path) {
  186.                     container.remove();
  187.                     return;
  188.                 } else {
  189.                     container.remove();
  190.                 }
  191.             }
  192.             catch {
  193.  
  194.             }
  195.             document.body.insertAdjacentHTML("beforeend", showBigImage);
  196.  
  197.             let showItem = `<img src="${path}"/>`
  198.  
  199.             document.querySelector(".show-big-image").insertAdjacentHTML("beforeend", showItem);
  200.  
  201.             let tempImg = document.querySelector(".show-big-image img");
  202.  
  203.             let dWidth = (window.innerWidth - tempImg.width) / 2;
  204.             let dHeight = (window.innerHeight - tempImg.height) / 2;
  205.  
  206.             document.querySelector(".show-big-image").style.left = dWidth + "px";
  207.             document.querySelector(".show-big-image").style.top = dHeight + "px";
  208.         } else if (e.target.parentElement.className === "show-big-image") {
  209.             try {
  210.                 document.querySelector(".show-big-image").remove();
  211.             }
  212.             catch
  213.             {
  214.  
  215.             }
  216.  
  217.         } else if (e.target.classList[1] == "bi-download" || e.path.find(isDownload) != undefined) {
  218.             let imgContainer = e.path.find(
  219.  
  220.                 (ele) => {
  221.                     try {
  222.                         //console.log(ele);
  223.                         return ele.className.includes("tyc-img-item-container");
  224.                     }
  225.                     catch {
  226.  
  227.                     }
  228.  
  229.                 }
  230.             )
  231.             let path = imgContainer.getElementsByTagName("img")[0].src;
  232.             var filename;
  233.             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
  234.             {
  235.                 filename = path.substring(path.lastIndexOf("/") + 1, path.lastIndexOf("."));
  236.             }
  237.             else {
  238.                 filename = path;
  239.             }
  240.             //console.log("download start" + path + " " + filename);
  241.             GM_download(path, "pic");
  242.         }
  243.     }
  244.  
  245.     function isDownload(ele) {
  246.         return ele.className == "download-direct";
  247.     }
  248.  
  249.     function isPreview(ele) {
  250.         return ele.className == "preview-img";
  251.     }
  252. })();

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