主页增加发票助手
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using System;
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using System.Net;
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using System.Text;
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namespace WxOrder.Framework.Helpers
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{
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/// <summary>
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/// 拼多多API请求类
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/// </summary>
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public class PddApi
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{
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private const string BASE_URL = "https://mobile.yangkeduo.com";
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/// <summary>
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/// 获取发票详情页
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/// </summary>
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/// <param name="orderSn">订单号</param>
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/// <param name="cookie">用户Cookie</param>
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/// <returns>返回页面HTML内容</returns>
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public static string GetReturnCompensation(string orderSn, string cookie)
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{
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string url = $"{BASE_URL}/transac_return_compensation.html?_t_timestamp=transac_modify_invoice&order_sn={orderSn}";
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var item = new HttpItem
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{
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URL = url,
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Method = MethodType.Get,
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Timeout = 30000,
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ReadWriteTimeout = 30000,
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KeepAlive = true,
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Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
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ContentType = "text/html",
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UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36",
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Cookie = cookie,
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Referer = BASE_URL,
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Allowautoredirect = true,
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Encoding = Encoding.UTF8,
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ResultType = ResultType.String
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};
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// 添加自定义Header
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item.Header.Add("sec-ch-ua", "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\"");
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item.Header.Add("sec-ch-ua-mobile", "?0");
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item.Header.Add("sec-ch-ua-platform", "\"Windows\"");
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item.Header.Add("upgrade-insecure-requests", "1");
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item.Header.Add("sec-fetch-site", "none");
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item.Header.Add("sec-fetch-mode", "navigate");
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item.Header.Add("sec-fetch-user", "?1");
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item.Header.Add("sec-fetch-dest", "document");
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item.Header.Add("priority", "u=0, i");
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item.ProxyIp = "127.0.0.1:8080";
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var result = new HttpHelper().GetHtml(item);
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if (result.StatusCode != HttpStatusCode.OK)
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{
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throw new Exception($"请求失败: {result.StatusDescription}, 状态码: {result.StatusCode}");
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}
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return result.Html;
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}
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/// <summary>
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/// 异步获取退货补偿页面信息
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/// </summary>
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/// <param name="orderSn">订单号</param>
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/// <param name="cookie">用户Cookie</param>
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/// <returns>返回页面HTML内容</returns>
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public static async System.Threading.Tasks.Task<string> GetReturnCompensationAsync(string orderSn, string cookie)
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{
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return await System.Threading.Tasks.Task.Run(() => GetReturnCompensation(orderSn, cookie));
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}
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/// <summary>
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/// 获取退货补偿页面信息（带完整Cookie字符串）
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/// </summary>
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/// <param name="orderSn">订单号</param>
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/// <param name="accessToken">PDD访问令牌</param>
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/// <param name="userId">用户ID</param>
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/// <param name="userUin">用户UIN</param>
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/// <param name="extraCookies">额外Cookie键值对</param>
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/// <returns>返回页面HTML内容</returns>
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public static string GetReturnCompensationWithCookies(
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string orderSn,
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string accessToken,
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string userId,
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string userUin,
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System.Collections.Generic.Dictionary<string, string> extraCookies = null)
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{
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// 构建Cookie字符串
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var cookieBuilder = new StringBuilder();
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cookieBuilder.Append($"PDDAccessToken={accessToken}; ");
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cookieBuilder.Append($"pdd_user_id={userId}; ");
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cookieBuilder.Append($"pdd_user_uin={userUin}; ");
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// 添加额外Cookie
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if (extraCookies != null)
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{
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foreach (var kv in extraCookies)
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{
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cookieBuilder.Append($"{kv.Key}={kv.Value}; ");
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}
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}
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// 添加一些常用的固定Cookie
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cookieBuilder.Append("api_uid=CiNLVGqFh3IfyACAene3Ag==; ");
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cookieBuilder.Append("webp=1; ");
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cookieBuilder.Append("dilx=3EDqgJtFtp4E9OYvXLozM; ");
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string cookie = cookieBuilder.ToString().TrimEnd(' ', ';');
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return GetReturnCompensation(orderSn, cookie);
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}
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/// <summary>
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/// 构建完整的拼多多请求Cookie
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/// </summary>
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/// <param name="cookies">Cookie键值对</param>
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/// <returns>Cookie字符串</returns>
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public static string BuildCookieString(System.Collections.Generic.Dictionary<string, string> cookies)
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{
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if (cookies == null || cookies.Count == 0)
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return string.Empty;
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var builder = new StringBuilder();
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foreach (var kv in cookies)
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{
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builder.Append($"{kv.Key}={kv.Value}; ");
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}
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return builder.ToString().TrimEnd(' ', ';');
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}
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/// <summary>
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/// 通用拼多多请求方法
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/// </summary>
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/// <param name="path">请求路径</param>
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/// <param name="queryParams">查询参数</param>
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/// <param name="cookie">Cookie字符串</param>
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/// <param name="method">请求方法</param>
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/// <param name="postData">POST数据</param>
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/// <returns>返回结果</returns>
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public static string Request(
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string path,
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System.Collections.Generic.Dictionary<string, string> queryParams = null,
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string cookie = null,
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MethodType method = MethodType.Get,
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string postData = null)
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{
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// 构建完整URL
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var urlBuilder = new StringBuilder(BASE_URL);
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urlBuilder.Append(path);
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if (queryParams != null && queryParams.Count > 0)
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{
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urlBuilder.Append('?');
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int index = 0;
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foreach (var kv in queryParams)
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{
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if (index > 0) urlBuilder.Append('&');
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urlBuilder.Append($"{Uri.EscapeDataString(kv.Key)}={Uri.EscapeDataString(kv.Value)}");
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index++;
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}
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}
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var item = new HttpItem
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{
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URL = urlBuilder.ToString(),
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Method = method,
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Timeout = 30000,
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ReadWriteTimeout = 30000,
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KeepAlive = true,
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Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
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ContentType = "application/x-www-form-urlencoded",
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UserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36",
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Cookie = cookie,
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Referer = BASE_URL,
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Allowautoredirect = true,
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Encoding = Encoding.UTF8,
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ResultType = ResultType.String,
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Postdata = postData
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};
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// 添加安全相关Header
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item.Header.Add("sec-ch-ua", "\"Not)A;Brand\";v=\"8\", \"Chromium\";v=\"138\"");
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item.Header.Add("sec-ch-ua-mobile", "?0");
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item.Header.Add("sec-ch-ua-platform", "\"Windows\"");
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item.Header.Add("upgrade-insecure-requests", "1");
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item.Header.Add("sec-fetch-site", "none");
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item.Header.Add("sec-fetch-mode", "navigate");
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item.Header.Add("sec-fetch-dest", "document");
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var result = new HttpHelper().GetHtml(item);
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if (result.StatusCode != HttpStatusCode.OK)
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{
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throw new Exception($"请求失败: {result.StatusDescription}, 状态码: {result.StatusCode}");
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}
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return result.Html;
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}
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}
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/// <summary>
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/// 拼多多Cookie构建帮助类
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/// </summary>
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public static class PddCookieHelper
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{
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/// <summary>
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/// 从各个Cookie片段构建完整Cookie
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/// </summary>
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public static string BuildCookie(PddCookieInfo info)
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{
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var builder = new StringBuilder();
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if (!string.IsNullOrEmpty(info.ApiUid))
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builder.Append($"api_uid={info.ApiUid}; ");
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if (!string.IsNullOrEmpty(info.NanoFp))
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builder.Append($"_nano_fp={info.NanoFp}; ");
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if (!string.IsNullOrEmpty(info.AccessToken))
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builder.Append($"PDDAccessToken={info.AccessToken}; ");
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if (!string.IsNullOrEmpty(info.UserId))
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builder.Append($"pdd_user_id={info.UserId}; ");
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if (!string.IsNullOrEmpty(info.UserUin))
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builder.Append($"pdd_user_uin={info.UserUin}; ");
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if (!string.IsNullOrEmpty(info.PddVds))
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builder.Append($"pdd_vds={info.PddVds}; ");
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// 添加固定值
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builder.Append("webp=1; ");
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builder.Append("dilx=3EDqgJtFtp4E9OYvXLozM; ");
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return builder.ToString().TrimEnd(' ', ';');
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}
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}
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/// <summary>
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/// 拼多多Cookie信息类
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/// </summary>
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public class PddCookieInfo
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{
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public string ApiUid { get; set; } = "CiNLVGqFh3IfyACAene3Ag==";
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public string NanoFp { get; set; } = "XpmJnqgqnpCynqEYnC_vqOqYD6xToHisZXFzP~Qy";
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public string AccessToken { get; set; }
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public string UserId { get; set; }
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public string UserUin { get; set; }
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public string PddVds { get; set; }
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public string Jrpl { get; set; } = "m4Tc1seqEgg0YoYo7U4GeUxzylfpG8W7";
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public string Njrpl { get; set; } = "m4Tc1seqEgg0YoYo7U4GeUxzylfpG8W7";
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}
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}
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