public void GetShopList(string shopName){
　　#region 获取html
　　string url = "https://mobile.yangkeduo.com/search_result.html?search_key=" + shopName+ "&search_type=goods&source=index&options=1&search_met_track=manual&refer_page_el_sn=99885&refer_page_name=search_result&refer_page_id=10015_1615453872480_bba38nr834&refer_page_sn=10015";
　　RestRequest request = new RestRequest(url);
　　request.Method = Method.GET;
　　IRestResponse response = restClient.Execute(request);
　　#endregion
　　if (!response.IsSuccessful) return false;
　　if (response.Content.Contains("window.rawData=null")) {
  　　Console.WriteLine("获取失败");     
  　　return false;
 　　}
 　　string shopList=response.Content
　　analysis(shopList)
}

shoping 是商品关键字。

response.Content：就是商品的信息页面，然后response.Content 后面的JS里面有个 window.rawData=，然后  window.rawData=null  说明这时你的ip暂时被封了如果是这样的数据，说明数据获取成功。

public void analysis(string shopList){
  #region 解析html 
  HtmlDocument htmlDocument = new HtmlDocument();
  htmlDocument.LoadHtml(content);
  var node1 = htmlDocument.DocumentNode.
  SelectNodes(@"//script");
  if (node1 is null) throw new Exception("Can not find id: __VIEWSTATE"); 
  #endregion
  foreach (var de in node1)
  {
   if (de.InnerHtml.Contains("window.rawData"))
   {
      string data = de.InnerText;
      data = System.Text.RegularExpressions.Regex.Split(data, "window.rawData=")[1];
      data = data.Substring(0, data.Length - 1);
      JsonData deJson = LitJson.JsonMapper.ToObject(data);
      deJson = deJson["store"]["listData"]["list"];                 
      for (int num_hisEQ = 0; num_hisEQ < deJson.Count; num_hisEQ++){
        string key=deJson[num_hisEQ]["key"].ToString();
        ………………
      }
    }
 }