☰

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。(目前只适合油猴-tampermonkey，其他没试过行不行）

当前为 2021-03-28 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、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。(目前只适合油猴-tampermonkey，其他没试过行不行）
  5. // @version         1.28
  6. // @author          桃源隐叟
  7. // @include         *
  8. // @grant           GM_openInTab
  9. // @grant           GM_setValue
  10. // @grant           GM_getValue
  11. // @grant GM_download
  12. // @run-at            context-menu
  13. // @match        *
  14. // @match        https://www.bilibili.com/
  15. // @match        https://588ku.com/
  16. // @homepageURL       https://github.com/taoyuancun123/modifyText/blob/master/modifyText.js
  17. // @supportURL        https://greasyfork.org/zh-CN/scripts/419894/feedback
  18. // ==/UserScript==
  19.  
  20. (function () {
  21.     'use strict';
  22.  
  23.     try {
  24.         document.querySelector(".tyc-image-container").remove();
  25.     } catch {
  26.  
  27.     }
  28.     var imgUrls = [];
  29.     var bodyStr = document.body.innerHTML;
  30.     var imgSelected = [];
  31.     var imgWaitDownload = [];
  32.     var widthFilter = { min: 0, max: 3000 };
  33.     var heightFilter = { min: 0, max: 3000 };
  34.     var tempImgUrls=[];
  35.  
  36.     try {
  37.         let imgEles = document.getElementsByTagName("img")
  38.  
  39.         for (let i = 0; i < imgEles.length; i++) {
  40.             ////console.log(imgEles[i].src);
  41.             if (!imgUrls.includes(imgEles[i].src)) {
  42.                 imgUrls.push(imgEles[i].src);
  43.             }
  44.         }
  45.     } catch {
  46.         //alert("error");
  47.     }
  48.  
  49.     try {
  50.         let imgRegs = bodyStr.match(/(?<=background-image:\s*url\()(\S+)(?=\))/g);
  51.  
  52.         for (let i = 0; i < imgRegs.length; i++) {
  53.             ////console.log(imgRegs[i]);
  54.             if (!imgUrls.includes(imgRegs[i].replace(/&quot;/g, ""))) {
  55.                 imgUrls.push(imgRegs[i].replace(/&quot;/g, ""));
  56.             }
  57.         }
  58.     } catch {
  59.         //alert("error");
  60.     }
  61.  
  62.  
  63.     let imgContainer = `
  64.     <div class="tyc-image-container" style="position:fixed;
  65.     top:0px;right:0px;width:50vw;z-index:2147483645;
  66.     background-color: #dedede;
  67.     border: 1px solid #aaa;
  68.     overflow:scroll;height:100%;
  69.     ">
  70.     <div class="control-section" style="width:46vw;z-index:2147483646;
  71.     position:fixed;right:30px;
  72.     top:0px;display:block;
  73.     height:80px;line-height:40px;
  74.     background:#eee;border:1px solid #aaa;border-radius:2px;">
  75.  
  76.     <input class="select-all" type="checkbox" name="select-all" value="select-all">全选
  77.     <button class="btn-download" style="border:1px solid #aaa;border-radius:5px;
  78.     height:32px;line-height:32px;
  79.     margin:0px;padding:0 5px;
  80.     ">download</button>
  81. <span style="margin-left:10px;" class="num-tip">已选(0/${imgUrls.length})张图片</span>
  82.     <button class="btn-close" style="font-size:20px;position:absolute;
  83.     right:30px;top:4px;
  84.     height:32px;line-height:32px;
  85.     margin:0px;
  86.     border-radius:10px;border:1px solid #aaa;
  87.     width:30px;">X</button>
  88.  
  89.     <p style="line-height:12px;">
  90.         <div style="float:left;">
  91.         <input type="checkbox" class="width-check img-check" name="width-check" value="width-check">Width:
  92.         <input type="text" class="width-value-min" size="1" style="height:15px;width:50px;"
  93.             min="0" max="9999" value="0">-
  94.             <input type="text" class="width-value-max" size="1" style="height:15px;width:50px;"
  95.             min="0" max="9999" value="3000">
  96.         </div>
  97.         
  98.         <div style="float:left;margin-left:30px;">
  99.             <input type="checkbox" class="height-check img-check" name="height-check" value="height-check">Height:
  100.             <input type="text" class="height-value-min" size="1" style="height:15px;width:50px;"
  101.                 min="0" max="9999" value="0">-
  102.                 <input type="text" class="height-value-max" size="1" style="height:15px;width:50px;"
  103.                 min="0" max="9999" value="3000">
  104.         </div>
  105.     </p>
  106.  
  107.     </div>
  108. <div class="tyc-image-wrapper" style="margin-top:82px;display:flex;justify-content:center;
  109. align-items:center;flex-wrap:wrap;">
  110. </div>
  111.     </div>
  112.     `
  113.  
  114.     let showBigImage = `
  115.         <div class="show-big-image" style="position:fixed;left:30%;top:30%;z-index:2147483647;">
  116.         </div>
  117.     `
  118.  
  119.     document.body.insertAdjacentHTML("afterbegin", imgContainer);
  120.  
  121.  
  122.  
  123.     if (window.location.href.includes("hathitrust.org")) {
  124.         //imgUrls=[];
  125.  
  126.         let imgs = document.querySelectorAll(".image img");
  127.         if (imgs.length > 0) {
  128.             let canvas = document.createElement("canvas");
  129.             imgUrls = [];
  130.             for (let pi = 0; pi < imgs.length; pi++) {
  131.                 canvas.width = imgs[pi].width;
  132.                 canvas.height = imgs[pi].height;
  133.  
  134.                 canvas.getContext("2d").drawImage(imgs[pi], 0, 0);
  135.  
  136.                 imgUrls.push(canvas.toDataURL("image/png"));
  137.             }
  138.  
  139.             document.querySelector(".select-all").style = "position:relative;width:15px;height:15px;"
  140.         } else {
  141.  
  142.         }
  143.     }
  144.  
  145.  
  146.  
  147.     document.body.onclick = (e) => {
  148.         //console.log(e);
  149.         if ((e.target.nodeName == "IMG" && e.target.className === "tyc-image-preview")) {
  150.             let imgContainer = e.path.find(
  151.  
  152.                 (ele) => {
  153.                     try {
  154.                         //console.log(ele);
  155.                         return ele.className.includes("tyc-img-item-container");
  156.                     }
  157.                     catch {
  158.  
  159.                     }
  160.  
  161.                 }
  162.             )
  163.             let path = imgContainer.getElementsByTagName("img")[0].src;
  164.  
  165.             try {
  166.                 let container = document.querySelector(".show-big-image");
  167.                 if (container.getElementsByTagName("img")[0].src === path) {
  168.                     container.remove();
  169.                     return;
  170.                 } else {
  171.                     container.remove();
  172.                 }
  173.             }
  174.             catch {
  175.  
  176.             }
  177.             document.body.insertAdjacentHTML("beforeend", showBigImage);
  178.  
  179.             let showItem = `<img src="${path}"/>`
  180.  
  181.             document.querySelector(".show-big-image").insertAdjacentHTML("beforeend", showItem);
  182.  
  183.             let tempImg = document.querySelector(".show-big-image img");
  184.  
  185.             let dWidth = (window.innerWidth - tempImg.width) / 2;
  186.             let dHeight = (window.innerHeight - tempImg.height) / 2;
  187.  
  188.             document.querySelector(".show-big-image").style.left = dWidth + "px";
  189.             document.querySelector(".show-big-image").style.top = dHeight + "px";
  190.         } else if (e.target.parentElement.className === "show-big-image") {
  191.             try {
  192.                 document.querySelector(".show-big-image").remove();
  193.             }
  194.             catch
  195.             {
  196.  
  197.             }
  198.  
  199.         } else if (e.target.classList[1] == "bi-download" || e.path.find(isDownload) != undefined) {
  200.             let imgContainer = e.path.find(
  201.  
  202.                 (ele) => {
  203.                     try {
  204.                         //console.log(ele);
  205.                         return ele.className.includes("tyc-img-item-container");
  206.                     }
  207.                     catch {
  208.  
  209.                     }
  210.  
  211.                 }
  212.             )
  213.             let path = imgContainer.getElementsByTagName("img")[0].src;
  214.             var filename;
  215.             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
  216.             {
  217.                 filename = path.substring(path.lastIndexOf("/") + 1, path.lastIndexOf("."));
  218.             }
  219.             else {
  220.                 filename = path;
  221.             }
  222.             //console.log("download start" + path + " " + filename);
  223.             GM_download(path, "pic");
  224.         } else if (e.target.classList[1] == "bi-check" || e.path.find(isSelect) != undefined) {
  225.             let checkSvg = e.path.find((ele) => ele.classList[1] === "bi-check");
  226.             let currentImg = parseInt(checkSvg.dataset.value);
  227.  
  228.             let container = e.path.find((ele) => ele.className === `tyc-img-item-container-${currentImg}`);
  229.  
  230.  
  231.  
  232.             if (imgSelected.includes(currentImg)) {
  233.                 imgSelected.splice(imgSelected.indexOf(currentImg), 1);
  234.                 checkSvg.style.color = "black";
  235.                 container.style.border = "1px solid #99d";
  236.             } else {
  237.                 imgSelected.push(currentImg);
  238.                 checkSvg.style.color = "white";
  239.                 container.style.border = "1px solid white";
  240.             }
  241.  
  242.             document.querySelector(".num-tip").innerText = `已选(${imgSelected.length}/${imgUrls.length})张图片`;
  243.             transIndexToLink(tempImgUrls);
  244.         }
  245.     }
  246.  
  247.  
  248.     document.querySelector(".btn-close").onclick = (e) => {
  249.         document.querySelector(".tyc-image-container").remove();
  250.     }
  251.  
  252.     document.querySelector(".btn-download").onclick = (e) => {
  253.         /*         if (document.querySelector(".select-all").checked) {
  254.                     imgUrls.forEach((img, index) => {
  255.                         GM_download(img, `pic-${index}`);
  256.                     });
  257.                 } else {
  258.                     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");
  259.                 } */
  260.         if (imgWaitDownload.length >= 1) {
  261.             imgWaitDownload.forEach((img, index) => {
  262.                 console.log(index);
  263.                 console.log(img);
  264.                 GM_download(img, `pic-${index}`);
  265.             });
  266.         } else {
  267.             alert("请至少选中一张图片。");
  268.         }
  269.     }
  270.  
  271.     document.body.onchange = (e) => {
  272.         if (e.target.className.includes("width-check")) {
  273.             GM_setValue('width-check',e.target.checked);
  274.         } 
  275.         if (e.target.className.includes("height-check")) {
  276.             GM_setValue('height-check',e.target.checked);
  277.         }
  278.         if(e.target.nodeName==="INPUT" && e.target.type==="text" && e.target.className.includes("value")){            
  279.             GM_setValue(e.target.className,e.target.value);
  280.         }   
  281.         
  282.         (e.target.className.includes("width-check")||e.target.className.includes("height-check")||
  283.         (e.target.nodeName==="INPUT" && e.target.type==="text" && e.target.className.includes("value")))
  284.         &&(clean(),init());
  285.         
  286.         
  287.     }
  288.  
  289.     document.querySelector(".select-all").onchange = (e) => {
  290.         if (document.querySelector(".select-all").checked) {
  291.             imgWaitDownload = tempImgUrls;
  292.         } else {
  293.             transIndexToLink(tempImgUrls);
  294.         }
  295.  
  296.         document.querySelector(".num-tip").innerText = `已选(${imgWaitDownload.length}/${imgUrls.length})张图片`;
  297.     }
  298.  
  299.     init();
  300.     function init() {
  301.         tempImgUrls=imgUrls;
  302.         getSavedValue();
  303.         if (document.querySelector(".width-check").checked) {            
  304.             tempImgUrls=tempImgUrls.filter(filterByWidth);
  305.         } 
  306.  
  307.         if (document.querySelector(".height-check").checked) {
  308.             tempImgUrls=tempImgUrls.filter(filterByHeight);
  309.         }
  310.        
  311.         showImage(tempImgUrls);
  312.     }
  313.  
  314.     function clean(){
  315.         imgWaitDownload=[];
  316.         imgSelected=[];
  317.         document.querySelector(".num-tip").innerText = `已选(${imgSelected.length}/${imgUrls.length})张图片`;
  318.         document.querySelector(".tyc-image-wrapper").innerHTML="";
  319.     }
  320.  
  321.     function isDownload(ele) {
  322.         return ele.className == "download-direct";
  323.     }
  324.  
  325.     function isSelect(ele) {
  326.         return ele.className == "select-image";
  327.     }
  328.  
  329.     function transIndexToLink(tempImgUrls) {
  330.         imgWaitDownload = [];
  331.         imgSelected.forEach((imgIndex, index) => {
  332.             imgWaitDownload.push(tempImgUrls[imgIndex]);
  333.         });
  334.     }
  335.  
  336.     function showImage(filtedImgUrls) {
  337.         filtedImgUrls.forEach((img, index) => {
  338.             let insertImg = `<div class="tyc-img-item-container-${index}" style="text-align:center;font-size:0px;
  339.     margin:5px;border:1px solid #99d;border-radius:3px;
  340.     ">
  341.     <img class="tyc-image-preview" src="${img}"/ style="width:auto;height:200px;"></div>`
  342.             document.querySelector(".tyc-image-wrapper").insertAdjacentHTML("beforeend", insertImg);
  343.             let naturalW = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalWidth;
  344.             let naturalH = document.querySelector(`.tyc-img-item-container-${index} .tyc-image-preview`).naturalHeight;
  345.  
  346.             let imgInfoContainer = `
  347.             <div style="font-size:0px;background-color:rgba(100,100,100,0.6);height:30px;position:relative;">
  348.     
  349.     
  350.     </div>
  351.             `;
  352.  
  353.             let thisImgContainer = document.querySelector(`.tyc-img-item-container-${index}`);
  354.             let imgContainerWidth = thisImgContainer.getBoundingClientRect().width;
  355.             let imgInfo = `
  356.             <span style="font-size:16px;position:absolute;left:calc(50% - 80px);top:7px;">${naturalW}X${naturalH}</span>
  357.             `;
  358.  
  359.  
  360.             /*
  361.             <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;">
  362.       <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"/>
  363.     </svg>*/
  364.  
  365.             let downAndFullBtn = `
  366.     <span style="position:absolute;right:calc(50% - 30px);top:2px;border:1px solid #333;
  367.     width:26px;height:26px;border-radius:20px;" class="select-image" data-value="${index}">
  368.     <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check" viewBox="0 0 16 16"  style="position:absolute;top:-1px;right:-2px;width:30px;height:30px;" data-value="${index}">
  369.       <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"/>
  370.     </svg>
  371.     </span>
  372.     <span style="position:absolute;right:calc(50% - 60px);top:2px;border:1px solid #333;
  373.     width:26px;height:26px;border-radius:20px;
  374.     " class="download-direct">
  375.     <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;">
  376.       <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"/>
  377.       <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"/>
  378.     </svg>
  379.     </span>
  380.     
  381.     `;
  382.  
  383.             let downloadBtn = `
  384.             <span style="position:absolute;right:calc(50% - 15px);top:2px;border:1px solid #333;
  385.     width:26px;height:26px;border-radius:20px;
  386.     " class="download-direct">
  387.     <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;">
  388.       <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"/>
  389.       <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"/>
  390.     </svg>
  391.     </span>
  392.             `
  393.  
  394.  
  395.             thisImgContainer.insertAdjacentHTML("beforeend", imgInfoContainer);
  396.  
  397.             let thisImgInfoContainer = thisImgContainer.querySelector("div");
  398.  
  399.             let rectWidth = parseInt(thisImgContainer.getBoundingClientRect().width);
  400.  
  401.             if (rectWidth > 120) {
  402.                 thisImgInfoContainer.insertAdjacentHTML("beforeend", imgInfo);
  403.                 thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn);
  404.             } else if (rectWidth <= 120 && rectWidth >= 50) {
  405.                 thisImgInfoContainer.insertAdjacentHTML("beforeend", downAndFullBtn);
  406.                 thisImgInfoContainer.getElementsByClassName("select-image")[0].style.right = "50%";
  407.                 thisImgInfoContainer.getElementsByClassName("download-direct")[0].style.right = "calc(50% - 30px)";
  408.  
  409.  
  410.             } else {
  411.                 thisImgInfoContainer.insertAdjacentHTML("beforeend", downloadBtn);
  412.             }
  413.  
  414.  
  415.             ////console.log(img);
  416.         });
  417.     }
  418.  
  419.     function filterByWidth(src) {
  420.         let tempImg=new Image();
  421.         tempImg.src=src;
  422.         if(tempImg.width>=parseInt(document.querySelector(".width-value-min").value)
  423.          && tempImg.width<=parseInt(document.querySelector(".width-value-max").value))
  424.          {
  425.             return src;
  426.          }
  427.     }
  428.  
  429.     function filterByHeight(src) {
  430.         let tempImg=new Image();
  431.         tempImg.src=src;
  432.         if(tempImg.height>=parseInt(document.querySelector(".height-value-min").value)
  433.          && tempImg.height<=parseInt(document.querySelector(".height-value-max").value))
  434.          {
  435.             return src;
  436.          }
  437.     }
  438.  
  439.     function getSavedValue(){
  440.         GM_getValue("width-check")&&(document.querySelector(".width-check").checked=GM_getValue("width-check"));
  441.         GM_getValue("height-check")&&(document.querySelector(".height-check").checked=GM_getValue("height-check"));
  442.         GM_getValue("width-value-min")&&(document.querySelector(".width-value-min").value=GM_getValue("width-value-min"));
  443.         GM_getValue("width-value-max")&&(document.querySelector(".width-value-max").value=GM_getValue("width-value-max"));
  444.         GM_getValue("height-value-min")&&(document.querySelector(".height-value-min").value=GM_getValue("height-value-min"));
  445.         GM_getValue("height-value-max")&&(document.querySelector(".height-value-max").value=GM_getValue("height-value-max"));
  446.     }
  447.  
  448. })();