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图片打包下载工具

简单纯洁的网页图片打包下载小工具、图片打包、A tool that helps you quickly capture web images and package them for download

目前为 2024-05-11 提交的版本。查看 最新版本。

// ==UserScript==
// @name         图片打包下载工具
// @namespace    http://tampermonkey.net/
// @description  简单纯洁的网页图片打包下载小工具、图片打包、A tool that helps you quickly capture web images and package them for download
// @description:zh-CN  一个帮你快速捕获网页图片并打包下载的工具
// @author       <[email protected]>
// @version      v2.2.2
// @license      GPLv3
// @icon         https://s21.ax1x.com/2024/04/16/pFxNgjH.jpg
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.6.0/jszip.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2.0.5/FileSaver.min.js
// @grant        GM_xmlhttpRequest
// @match        *://*/*

// ==/UserScript==

let btnStyle = `
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #fff;
    cursor: pointer;
    height: 40px;
    width: 90px;
    border-radius: 6px;
    background: #333;
    justify-content: center;
    align-items: center;
    font-family: 'Damion', cursive;
    cursor: pointer;
    border: none;
    font-size: 14px;
    transition: 500ms;
    color: rgb(161, 161, 161);
    box-shadow: 0 0 5px #444, 5px 5px 15px #222, inset 5px 5px 10px #444,inset -5px -5px 10px #222;
`;
let divStyle = `
    padding: 20px 10px 20px 20px;
    position: fixed;
    right: 0;
    bottom: 10px;
    z-index: 99999;
    transition: 500ms;
`;
var lock = true;
const handleDownload = () => {
  let imageUrls = [];
  document.querySelectorAll("img").forEach((item) => {
    if (!item.src) return;
    imageUrls.push(item.src);
  });
  const zip = new JSZip();
  lock = false;
  Promise.all(
    imageUrls.map((url, index) => {
      return new Promise((resolve, reject) => {
        GM_xmlhttpRequest({
          method: "GET",
          url: url,
          responseType: "blob",
          onload: function (response) {
            if (response.status === 200) {
              let blob = response.response;
              const filename = `image${index + 1}.jpg`;
              zip.file(filename, blob, { binary: true });
            } else {
              console.error("Request failed with status " + response.status);
            }
            resolve();
          },
          onerror: function (e) {
            console.error("Request failed: " + e.message);
            resolve();
          },
        });
      });
    })
  )
    .then(() => {
      zip.generateAsync({ type: "blob" }).then((blob) => {
        saveAs(blob, "images.zip");
      });
      unlock();
    })
    .catch((error) => {
      unlock();
      console.error("Error downloading images:", error);
    });
};
const unlock = (delay = 3000) => {
  setTimeout(() => {
    lock = true;
  }, delay);
};
const createEle = () => {
  let div = document.createElement("div");
  div.style.cssText = divStyle;
  div.setAttribute("id", "ccc_load_container");
  function hoverOn() {
    div.style.cssText = `
            ${divStyle}
            right: 0;
        `;
  }
  function hoverOff() {
    div.style.cssText = `
        ${divStyle}
                right: -92px;
            `;
  }
  setTimeout(() => {
    hoverOff();
  }, 1000);
  div.addEventListener("mouseover", hoverOn);
  div.addEventListener("mouseout", hoverOff);
  $(div).append(`
        <button style="${btnStyle}">下载图片</button>
    `);
  document.body.appendChild(div);
  $("#ccc_load_container > button").click(() => {
    lock && handleDownload();
  });
};

function getImageFileNameFromUrl(url) {
  // 匹配最后一个斜杠('/')之后的任何字符，直到遇到查询参数或文件扩展名的结束
  const regex = /([^\/?#]+)(?=\.[\w]+($|[?#]))|([^\/?#]+)$/;
  const matches = url.match(regex);

  // 如果找到匹配项，则返回第一个匹配的文件名（可能包括文件扩展名）
  return matches ? matches[0] : null;
}

function downloadImageData(imgSrc, imgAlt = "default") {
  let a = document.createElement("a");
  a.href = imgSrc;
  a.download = imgAlt || "image.png"; // 设置下载的图片名
  a.style.display = "none";
  document.body.appendChild(a);
  a.click();
  document.body.removeChild(a);
}

function downloadImage(imageUrl, imageName = "image.png") {
  fetch(imageUrl)
    .then((response) => {
      if (!response.ok) {
        throw new Error(`HTTP error! status: ${response.status}`);
      }
      return response.blob(); // 或者 response.arrayBuffer()
    })
    .then((blob) => {
      // 创建一个Blob URL
      const url = window.URL.createObjectURL(blob);

      // 创建一个<a>标签用于下载
      const a = document.createElement("a");
      a.href = url;
      a.download = imageName; // 设置下载的文件名
      a.style.display = "none";

      // 触发点击事件
      document.body.appendChild(a);
      a.click();

      // 释放URL对象
      window.URL.revokeObjectURL(url);

      // 清理<a>标签
      document.body.removeChild(a);
    })
    .catch((error) => {
      console.error(
        "There has been a problem with your fetch operation:",
        error
      );
    });
}

const initBindEvent = () => {
  document.addEventListener("mousedown", function (event) {
    // 检查是否同时按下了Ctrl键和鼠标右键
    if (event.ctrlKey && event.button === 2) {
      // 阻止右键点击的默认事件（打开上下文菜单）
      event.preventDefault();

      console.log(" 打印选中 ", event);

      // 假设我们有一个ID为'targetElement'的元素要选中
      var targetElement = event.target;
      if (targetElement) {
        // 选中元素，例如改变其背景色
        // targetElement.style.boxShadow = '0 0 10px rgba(255, 0, 0, 0.7)';

        let url = targetElement.getAttribute("src");

        if (url.includes("data:image/")) {
          downloadImageData(url);
          console.log("ssssss ");
        } else {
          const fileName = getImageFileNameFromUrl(url);
          downloadImage(url, fileName);
        }
      }
    }
  });
};

// 初始加载样式
const loadStyle = () => {
  // 创建一个新的style元素
  var style = document.createElement("style");

  // 将CSS样式内容设置为style元素的文本内容
  if (style.styleSheet) {
    // 对于老版本的IE浏览器
    style.styleSheet.cssText = cssContent;
  } else {
    // 对于其他浏览器
    style.appendChild(document.createTextNode(cssContent));
  }
  // 将style元素添加到head中
  var head = document.head || document.getElementsByTagName("head")[0];
  head.appendChild(style);
};
var cssContent = `

#flashing-div {
    opacity: 1;
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    animation: flashAndScale 2.5s infinite; /* 初始状态设置为无限循环，稍后通过JavaScript控制 */
    visibility: visible; /* 初始状态为可见 */
  }
  @keyframes flashAndScale {
    0% {
      opacity: 0.9;
      transform: scale(0.9);
    }
    25% {
      opacity: 1;
      transform: scale(1);
    }
    50% {
      opacity: 0.9;
      transform: scale(0.9);
    }
    75% {
      opacity: 1;
      transform: scale(1);
    }
    100% {
      opacity: 0.9;
      transform: scale(0.9);
      visibility: hidden; /* 在动画结束时隐藏div */
    }
  }
  /* 添加一个类来停止动画并隐藏div（如果需要的话） */
  #flashing-div.stopped {
    animation: none;
    visibility: hidden;
    opacity: 0;
    transform: scale(0);
    transition: none;
  }


`;
const initTip = () => {
  loadStyle();

  let tip = document.createElement("div");
  tip.style.cssText = `
        position: fixed;
        top: 5vh;
        left: 50%;
        transform: translate(-50%, 0);
        background-color: rgba(0, 0, 0, 0.8);
        display: flex;
        justify-content: center;
       align-items: center;
       color: #ffffff;
       z-index: 999999;
       padding: 10px 20px;
       border-radius: 10px;
       text-align: center;
       letter-spacing: 1.5px;
    `;

  tip.innerText = "Ctrl + 🖱️鼠标右键 \n （下载选中图片～）";
  tip.setAttribute("id", "flashing-div");
  setTimeout(() => {
    tip.classList.add("stopped");
  }, 2500);

  document.body.appendChild(tip);
};

const init = () => {
  window.addEventListener("load", function () {
    if (window.self !== window.top) return;
    createEle();
    initBindEvent();
    setTimeout(() => {
      initTip();
    }, 800);
  });
};
(function () {
  init();
})();

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