1. 在对应网页，点击油猴，添加新脚本
   
2. 在编辑器添加如下代码

// ==UserScript==
// @name         淘宝item
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://sf-item.taobao.com/sf_item/713690244794.htm?spm=a213w.7398504.paiList.16.13154827Z13a5f&track_id=a7eb667b-ee7a-436a-ba80-e9fab9215720
// @icon         https://www.google.com/s2/favicons?sz=64&domain=taobao.com
// @require      https://cdn.bootcss.com/jquery/2.2.1/jquery.js
// @grant        GM_xmlhttpRequest
// ==/UserScript==

(function() {
    'use strict';

    async function sleep(ms = 0) {
        return new Promise(r => setTimeout(r, ms));
    }

    let urlList = [];


    var obj = {};

    function lp_send_data(data) {
        GM_xmlhttpRequest({
            method: "POST",
            url: "http://127.0.0.1:8080/doData",
            headers: {"Content-Type": "application/json;charset=UTF-8"},
            data: data,
            onload: function(response) {
              //  window.close();
            }
        });
    }


    function getData(){
        // 房产

        obj.标题 = $('h1').text().replace(/\s*/g,"");
        // 标的物介绍
        let bdwjs = $('#J_ItemDetailContent').text() ;

        // 竞买公告
        let jmgg = $('#NoticeDetail').text() ;
        // 竞买须知
        let jmxz = $('#ItemNotice').text() ;
        // 尾款支付说明
        let wkzfsm = $('#J_CasePayInfo').text();
        // 竞买记录
        let jmjl = $('#J_Confirmation').text();



        getMianJi(bdwjs);
        getMianJi(jmgg) ;
        getShiJian(jmgg);
        getAddr(bdwjs);
        getBuyer(jmjl);
        getPrice();

        obj.url = window.location.href;
        console.log(obj)
        lp_send_data(JSON.stringify(obj));


    }


    function getPrice(){
        $('#J_HoverShow td').each((idx,ele)=>{
            var bmj = $(ele).find("span.pay-mark").first().text();
            if(bmj.includes("变卖价") || bmj.includes("起拍价")){
                obj.起拍价 = $(ele).find("span.J_Price").contents()[0].nodeValue;
            }

            if(bmj.includes("评估价")){
                obj.评估价 = $(ele).find("span.J_Price").contents()[0].nodeValue;
            }
        })

    }

    function getAddr(source){
        const regex = /位置\s+(.*?)\s+地图/g;
        const match = regex.exec(source);

        if (match) {
            obj.地址 = match[1];
        }

    }

    function getBuyer(source){
        var regex = /姓名(.*)通过竞买号/g;
        var match = regex.exec(source);

        if (match) {
            obj.成交人 = match[1];
        }
        match = source.match(/¥(\d+(,\d{3})*(\.\d+)?)\b/);
        if (match) {
            obj.成交价 = parseFloat(match[1].replace(/,/g, ''))

        }

    }

    // 开始拍卖时间
    function getShiJian(source){
        var regex = /(\d{4}年\d{1,2}月\d{1,2}日.*?\d{1,2}时).*?\s*(\d{4}年\d{1,2}月\d{1,2}日.*?\d{1,2}时)/;
        var match = source.match(regex);

        if (match) {
            const startTime = match[1];
            const endTime = match[2];
            obj.起拍时间 = startTime;
            obj.结束时间 = endTime;
        }else{
            regex = /(\d{4}年\d{1,2}月\d{1,2}日.*?).*?\s*(\d{4}年\d{1,2}月\d{1,2}日.*?)/;;
            match = source.match(regex);
            if (match) {
                const startTime = match[1];
                const endTime = match[2];
                obj.起拍时间 = startTime;
                obj.结束时间 = endTime;
            }

        }

        regex = /看样时间.*?(\d{4}年\d{1,2}月\d{1,2}日).*/;
        match = source.match(regex);
        if (match) {
            obj.看样时间 = match[1];
        }

    }

    function getMianJi(source){
        var regex = /建筑面积.*?(\d+\.?\d+).*?/;
        var result = source.match(regex);
        if(result){
            obj.建筑面积 = result[1];;
        }

        regex = /套内建筑面积.*?(\d+\.?\d).*?/;
        result = source.match(regex);
        if(result){
            obj.套内面积 = result[1];
        }

        regex = /土地面积.*?(\d+\.?\d).*?/;
        result = source.match(regex);
        if(result){
            obj.土地面积 = result[1];
        }


        //  console.log(`建筑面积：${buildingArea} 平方米，套内面积：${innerArea} 平方米`);


    }

    async function doList(){
        $(".tab-menu li").each((idx,item)=>{
            urlList.push(item);
        });

        for (let i = 0; i < urlList.length; i++) {
            $(urlList[i]).click();
            await sleep(1000);
        }
        getData();
    }


// 页面加载完成后，再执行脚本
    window.addEventListener('load', function (evt) {

        doList();

    }, false);
    // Your code here...
})();

关键代码段

1. 引用Jquery @require https://cdn.bootcss.com/jquery/2.2.1/jquery.js
2. 授权发起异步请求 @grant GM_xmlhttpRequest

参考

https://pylab.me/blog/post/python_spider_with_tampermonkey_s1