Tampermonkey阿里巴巴国际站批量导出之[产品信息]

// ==UserScript==
// @name         阿里巴巴国际站批量导出产品信息
// @namespace    http://tampermonkey.net/
// @version      2.1.3
// @description  导出产品ID、链接、所属赛道
// @author       Mike
// @icon http://is.alicdn.com/favicon.ico
// @match        https://hz-productposting.alibaba.com/product/*
// @grant        GM_addStyle
// ==/UserScript==
'use strict';
var globalAllresult = [];
var downloaded = false;
var repeated = false;
// 下面这段代码生成下载方式
(function(console){
    console.save = function(data, filename){
        if(!data) {
            console.error('Console.save: No data found!')
            return;
        }
        if(!filename) filename = 'console.json'
        if(typeof data === "object"){
            data = JSON.stringify(data, undefined, 4)
        }
        var blob = new Blob([data], {type: 'text/json'}),
            e = document.createEvent('MouseEvents'),
            a = document.createElement('a')
        //var text = await blob.text()
        a.download = filename
        a.href = window.URL.createObjectURL(blob)
        a.dataset.downloadurl = ['text/json', a.download, a.href].join(':')
        e = new MouseEvent ("click");
        //e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null) !!!deprecated!!!
        a.dispatchEvent(e)
    }
})(console)

// 分配记录收集方法
function collectItems(){
    var productIDs = document.getElementsByClassName('product-id');
    var productSubjects = document.getElementsByClassName('product-subject');

    var result=[];
    for (var i = 0; i < productIDs.length; i++) {
        console.log(productIDs[i].innerText,productSubjects[i].firstChild.href);

        result.push({
            'productID':productIDs[i].innerText,
            'productURL':productSubjects[i].firstChild.href,
            'productType':productIDs[i].parentNode.parentNode.parentNode.parentNode.childNodes[2].innerText,
            'productLevel':productIDs[i].parentNode.parentNode.parentNode.parentNode.childNodes[6].innerText,
        });
    }
    return result;
}

//与元数据块中的@grant值相对应，功能是生成一个style样式
GM_addStyle('#down_contacts_btn{color:#fb7d3c;}');
//下载按钮的html代码
var down_btn_html = '<span>';
down_btn_html += '<a href="javascript:void(0);" id="down_contacts_btn" class="S_txt2" title="一直点击，直到翻页到最后一页，自动下载，若无效请刷新重试">导出产品信息</a>';
down_btn_html += '</span>';
var inner = document.createElement('span');
inner.innerHTML = down_btn_html;

//将以上拼接的html代码插入到网页标签中
var ul_tag = document.getElementsByClassName('manage-app-market-status-selector')[0].parentNode;

console.log('ul_tag')
console.log(ul_tag)

if (ul_tag) {
    ul_tag.append(inner);
}
var btn = document.getElementById('down_contacts_btn');

btn.onclick = function(){
    if (repeated) {
        confirm('请刷新页面后重试');
        return;
    }
    if(downloaded) {
        repeated = true;
        return;//防抖，防止多次下载，刷新重启
    }
    var nextBtns = document.getElementsByClassName('next-pagination-item');
    var n = nextBtns.length-1;
    if (nextBtns[n].innerText != '下一页') {
        n = n-1;
    }
    console.log(nextBtns[n]);
    var nextBtn = nextBtns[n]
    if(!nextBtn.disabled) {
        console.log('next page');
        let result = collectItems();
        globalAllresult.push(result);
        nextBtn.click();
    }else{
        console.log('page end');
        let result = collectItems();
        globalAllresult.push(result);
        globalAllresult = [].concat(...globalAllresult);
        console.save(globalAllresult,"ProductsInfo.json");
        downloaded = true;
    }
    // 下载数据，第一个参数是数据对象，第二个参数是要保存成文件的名字。
}