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一键批量下载1688中文站主图，详情页(重构和经过了一些逻辑上的改良，按钮更协调；内存占用更小；操作更流畅)
当前为
// ==UserScript==
// @name 一键批量下载1688中文站图片/视频
// @namespace https://detail.1688.com
// @version 1.0.16
// @description 一键批量下载1688中文站主图，详情页(重构和经过了一些逻辑上的改良，按钮更协调；内存占用更小；操作更流畅)
// @author Leo
// @homepage
// @match https://detail.1688.com/*
// @grant GM_log
// @grant GM_setClipboard
// @grant GM_notification
// @grant GM_download
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_addStyle
// ==/UserScript==
/*jshint multistr:true */
/*
* 下载天猫图片工具
* 下载商品主图
* 下载sku
* 下载详情页
* */
window.onload = async () => {
const props = getData()
if (!props) {
return
}
getProductImage(props)
await getProductSKU(props)
await getProductInfoPage(props)
}
// 获取数据方法
function getData() {
// 全部变量
const props = {}
// 获取产品id
const i = location.href.indexOf('.html')
if (i) {
let k = 5
while (location.href[i - k - 1] !== '/' && k < 20) {
k++
}
props.id = location.href.substr(i - k, k)
return props
}
}
// 注入下载商品主图方法
function getProductImage(props) {
// 获取主图缩略图列表DOM
let imgList = document.getElementById('dt-tab')?.getElementsByTagName('ul')[0]
const downBox = document.createElement('div')
downBox.className = 'tab-content fd-clr'
const title = document.createElement('h3')
title.innerHTML = '下载主图/视频'
title.style = 'text-align: center; margin-bottom: 10px; margin-top: 10px'
// 创建并插入下载按钮列表
const downList = document.createElement('ul')
downList.className = 'nav nav-tabs fd-clr'
document.getElementById('dt-tab').insertAdjacentElement('afterend', title)
title.insertAdjacentElement('afterend', downBox)
const downBox2 = document.createElement('div')
downBox2.className = 'tab-content-container'
downBox.appendChild(downBox2)
downBox2.appendChild(downList)
const downALLBox = document.createElement('div')
downALLBox.style =
'width:100%; display:flex; flexflow:row; justify-content:center;'
downBox.insertAdjacentElement('afterend', downALLBox)
// 创建主图的下载链接列表
const imgArr = []
// 遍历主图缩略图，并插入下载按钮
for (let k = 0; k < imgList.getElementsByTagName('li').length && k < 5; k++) {
// 获取图片链接
let src = imgList
.getElementsByTagName('li')
[k]?.getElementsByTagName('img')?.[0]?.src
if (src) {
if (src.includes('60x60.jpg_.webp')) {
const suffix = src.substr(src.length - 10, src.length - 6)
src = `${src.substr(0, src.length - 16)}${suffix}`
} else {
const suffix = src.substr(src.length - 4, src.length)
src = `${src.substr(0, src.length - 10)}${suffix}`
}
// 注入给下载列表
imgArr.push(src)
// 创建并注入按钮
const downButton = document.createElement('li')
downButton.className = 'tab-trigger'
downButton.style.cursor = 'pointer'
downButton.innerHTML = `<div class='vertical-img'><a class='box-img'><img src='${src}' alt='下载此图片' /></a></div>`
downButton.onclick = () => {
GM_download(src, `${props.id}_主图_${k >= 9 ? k + 1 : '0' + (k + 1)}`)
}
downButton.onmouseover = () => {
downButton.className = 'tab-trigger active'
}
downButton.onmouseout = () => {
downButton.className = 'tab-trigger'
}
downList.appendChild(downButton)
}
}
const style =
'cursor:pointer; margin:5px; padding:0 5px; border:1px solid black; font-size:20px; color:red; fontweight:bold;'
// 注入下载视频按钮
const video = document
.getElementsByClassName('lib-video')?.[0]
?.getElementsByTagName('video')?.[0]
?.getElementsByTagName('source')?.[0]?.src
console.log(video)
if (video) {
const downVideo = document.createElement('div')
downVideo.style = style
downVideo.innerHTML = '下载视频'
downVideo.onclick = () => {
GM_download(video, `${props.id}_视频_$`)
}
downALLBox.appendChild(downVideo)
}
// 注入下载全部按钮
const downAll = document.createElement('div')
downAll.style = style
downAll.innerHTML = '下载全部'
downAll.onclick = () => {
GM_notification('共下载 ' + imgArr.length + ' 张图片', '下载主图')
imgArr.forEach((i, k) => {
GM_download(
i,
`${props.id}_主图_${k >= 9 ? k + 1 : '0' + (k + 1)}${i.substr(-4, 4)}`
)
})
}
downALLBox.appendChild(downAll)
return imgArr
}
// 注入下载sku方法
function getProductSKU(props) {
// 获取SKU列表DOM
let skuBox = document
.getElementById('mod-detail-bd')
?.getElementsByClassName('obj-leading')?.[0]
let skuList = skuBox?.getElementsByClassName('list-leading')?.[0]
if (!skuList) return
// 创建并注入下载专区
const downBox = document.createElement('div')
downBox.className = 'obj-leading'
skuBox.insertAdjacentElement('afterend', downBox)
// 创建并注入标题
const title = document.createElement('div')
title.className = 'obj-header'
title.innerHTML = `<span class='obj-title'>下载SKU</span>`
downBox.appendChild(title)
const downContent = document.createElement('div')
downContent.className = 'obj-content'
downBox.appendChild(downContent)
// 创建注入下载图按钮的列表
const downList = document.createElement('ul')
downList.className = 'list-leading'
downContent.appendChild(downList)
// 创建主图的下载链接列表
const imgArr = []
//遍历SKU，生成并注入下载按钮
for (let k = 0; k < skuList?.getElementsByTagName('img').length; k++) {
// 获取sku下载链接
let img = skuList.getElementsByTagName('img')?.[k]
let src = img?.src
if (src) {
if (src.includes('32x32.jpg_.webp')) {
const suffix = src.substr(src.length - 10, src.length - 6)
src = `${src.substr(0, src.length - 16)}${suffix}`
} else {
const suffix = src.substr(src.length - 4, src.length)
src = `${src.substr(0, src.length - 10)}${suffix}`
}
// 注入给下载列表
imgArr.push(src)
// 创建并注入按钮
const downButton = document.createElement('li')
downButton.innerHTML = `
<div class='unit-detail-spec-operator'>
<a rel='nofollow' class='image' >
<span class='vertical-img-title fd-hide'>下载此图片</span>
<span class='vertical-img'>
<span class='box-img' style='cursor:pointer;'>
<img src='${src}' alt='下载此图片'>
</span>
</span>
<div class='cor'></div>
</a>
</div>
`
downButton.onclick = () => {
GM_download(src, `${props.id}_SKU_${k >= 9 ? k + 1 : '0' + (k + 1)}`)
}
downList.appendChild(downButton)
}
}
// 创建并注入下载全部按钮
const downButton = document.createElement('li')
downButton.innerHTML = `
<div class='unit-detail-spec-operator'>
<a rel='nofollow' class='image' >
<span class='vertical-img-title fd-hide'>下载全部图片</span>
<span class='vertical-img'>
<span class='box-img' style='font-size: 14px; color:red; font-weight:bold; cursor:pointer;'>
全部
</span>
</span>
<div class='cor'></div>
</a>
</div>
`
downButton.onclick = () => {
GM_notification('共下载 ' + imgArr.length + ' 张图片', '下载 SKU')
imgArr.forEach((i, k) => {
GM_download(i, `${props.id}_SKU_${k >= 9 ? k + 1 : '0' + (k + 1)}`)
})
}
downList.appendChild(downButton)
}
// 注入下载详情页方法
function getProductInfoPage(props) {
// 创建详情页图片列表
// 获取表单
const editForm = document
.getElementById('mod-detail-otabs')
?.getElementsByTagName('ul')?.[0]
// 创建下载按钮
const downButton = document.createElement('li')
downButton.className = 'tab-li first de-selected'
downButton.innerHTML = `<a href="#" data-info="mod-detail-description"><span style='color:red;font-weight: bold'>下载详情页</span></a>`
downButton.onclick = () => {
const imgList = document.getElementById('de-description-detail')?.childNodes
if (!imgList) return
// 改成多层遍历，穿透获取
// 分层穿透,
// 检查节点是否含有src
// 检查节点是否有子元素 ———闭包遍历
const imgArr = []
const mapChild = list => {
list.forEach(i => {
if (i?.src) {
imgArr.push(i.src)
}
if (i.childNodes.length !== 0) {
mapChild(i.childNodes)
}
})
}
mapChild(imgList)
GM_notification('共下载 ' + imgArr.length + ' 张图片', '下载详情页')
// 下载图片
for (let k = 0; k < imgArr.length; k++) {
GM_download(
imgArr[k],
`${props.id}_详情页_${k >= 9 ? k + 1 : '0' + (k + 1)}`
)
}
}
// 将下载按钮注入表单
editForm.insertBefore(downButton, editForm?.getElementsByTagName('li')?.[0])
}