alien
/
h5


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
  <meta name="format-detection" content="telephone=no">
  <title>与U宝对话</title>
  <meta property="og:title" content="和U宝的对话">
  <meta property="og:description" content="点击查看对话内容">
  <meta property="og:site_name" content="U店在哪">
  <meta name="application-name" content="U店在哪">
  <link rel="icon" type="image/png" href="https://alien-volume.oss-cn-beijing.aliyuncs.com/icon/ubao.png">
  <link rel="apple-touch-icon" href="https://alien-volume.oss-cn-beijing.aliyuncs.com/icon/ubao.png">
  <style>
    :root {
      --bg: #f4f6fb;
      --text: #151515;
      --muted: #aaaaaa;
      --orange: #f47d1f;
      --safe-bottom: env(safe-area-inset-bottom, 0px);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      -webkit-tap-highlight-color: transparent;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      padding-bottom: calc(92px + var(--safe-bottom));
    }

    .hero {
      padding: 16px 15px 0;
    }

    .hero__title {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.4;
      word-break: break-word;
    }

    .hero__meta {
      margin-top: 8px;
      font-size: 12px;
      color: var(--muted);
      line-height: 1.4;
    }

    .hero__divider {
      margin-top: 14px;
      height: 1px;
      background: rgba(170, 170, 170, 0.25);
    }

    .conversation {
      padding: 14px 15px 8px;
    }

    .conversation .row:last-child {
      margin-bottom: 0;
    }

    .row {
      display: flex;
      margin-bottom: 12px;
    }

    .row--user {
      justify-content: flex-end;
    }

    .row--ai {
      justify-content: flex-start;
    }

    .user-bubble {
      position: relative;
      max-width: 78%;
      padding: 10px 14px;
      background: var(--orange);
      border-radius: 8px 8px 2px 8px;
      color: #fff;
      font-size: 15px;
      font-weight: 500;
      line-height: 1.5;
      white-space: pre-wrap;
      word-break: break-word;
    }

    .user-bubble::after {
      content: "";
      position: absolute;
      right: -6px;
      bottom: 8px;
      width: 0;
      height: 0;
      border-style: solid;
      border-width: 6px 0 6px 7px;
      border-color: transparent transparent transparent var(--orange);
    }

    .ai-card {
      width: 100%;
      padding: 14px 13px;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
    }

    .ai-card__text {
      font-size: 14px;
      line-height: 1.65;
      white-space: pre-wrap;
      word-break: break-word;
      text-align: left;
    }

    .ai-card__image {
      display: block;
      max-width: 100%;
      height: auto;
      margin: 8px 0;
      border-radius: 6px;
    }

    .user-bubble__image {
      display: block;
      max-width: 180px;
      border-radius: 4px;
    }

    .fallback-card {
      margin: 14px 15px 0;
      padding: 14px 13px;
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 1px 6px rgba(0, 0, 0, 0.04);
    }

    .fallback-card .ai-card__text {
      font-size: 14px;
      line-height: 1.65;
      white-space: pre-wrap;
      word-break: break-word;
      text-align: left;
    }

    .empty {
      padding: 48px 20px;
      text-align: center;
      color: var(--muted);
      font-size: 14px;
    }

    .footer {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 20;
      padding: 10px 15px calc(10px + var(--safe-bottom));
      background: linear-gradient(180deg, rgba(244, 246, 251, 0) 0%, #f4f6fb 36%);
      pointer-events: none;
    }

    .footer__dock {
      display: flex;
      justify-content: center;
      width: 100%;
      pointer-events: auto;
    }

    .footer__btn-slot {
      width: 100%;
      max-width: 280px;
      height: 48px;
      margin: 0 auto;
    }

    .continue-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100%;
      height: 48px;
      margin: 0;
      padding: 0;
      border: none;
      border-radius: 999px;
      background: linear-gradient(90deg, #ffb84c 0%, #ff6b3e 100%);
      box-shadow: 0 4px 16px rgba(255, 107, 62, 0.32);
      touch-action: manipulation;
      -webkit-tap-highlight-color: transparent;
    }

    .continue-btn__label {
      display: block;
      height: 20px;
      width: auto;
      max-width: 90%;
      pointer-events: none;
      -webkit-user-drag: none;
    }

    #launch-btn {
      display: none;
      width: 100%;
      height: 48px;
      min-height: 48px;
      border-radius: 999px;
      overflow: hidden;
      opacity: 1;
    }

    body.is-wechat.wx-jssdk-ready #launch-btn {
      display: block;
    }

    body.is-wechat.wx-jssdk-ready #btnContinue {
      display: none !important;
    }

    #openAppToast {
      display: none;
      position: fixed;
      left: 16px;
      right: 16px;
      bottom: calc(72px + var(--safe-bottom));
      z-index: 10001;
      padding: 10px 14px;
      font-size: 13px;
      line-height: 1.45;
      color: #fff;
      text-align: center;
      background: rgba(0, 0, 0, 0.78);
      border-radius: 8px;
      pointer-events: none;
      word-break: break-all;
    }
  </style>
</head>
<body>
  <main id="main">
    <div class="empty">对话内容加载中…</div>
  </main>

  <div id="openAppToast" role="status" aria-live="polite"></div>

  <footer class="footer">
    <div class="footer__dock">
      <div class="footer__btn-slot">
        <button type="button" class="continue-btn" id="btnContinue" aria-label="和U宝继续聊">
          <img class="continue-btn__label" src="images/uCharts.png" alt="和U宝继续聊" decoding="async">
        </button>
        <wx-open-launch-app id="launch-btn" appid="wxf5f1efe3a9f5012e" extinfo="">
          <script type="text/wxtag-template">
            <style>
              .wx-open-app-btn {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 100%;
                height: 48px;
                margin: 0;
                padding: 0;
                border: none;
                border-radius: 999px;
                background: linear-gradient(90deg, #ffb84c 0%, #ff6b3e 100%);
                box-shadow: 0 4px 16px rgba(255, 107, 62, 0.32);
                cursor: pointer;
                -webkit-tap-highlight-color: transparent;
                box-sizing: border-box;
              }
              .wx-open-app-btn__label {
                display: block;
                height: 20px;
                width: auto;
                max-width: 90%;
                pointer-events: none;
              }
            </style>
            <button class="wx-open-app-btn" aria-label="和U宝继续聊">
              <img class="wx-open-app-btn__label" src="https://test.ailien.shop/h5/HBuilderProjects/images/uCharts.png" alt="和U宝继续聊" decoding="async">
            </button>
          </script>
        </wx-open-launch-app>
      </div>
    </div>
  </footer>

  <script src="https://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
  <script>
    (function () {
      "use strict";

      var API_BASE = "https://prod.ailien.shop/alienStore";
      var WECHAT_MP_APP_ID = "wx412792c77f47babd";
      var WECHAT_OPEN_APP_ID = "wxf5f1efe3a9f5012e";
      var WECHAT_GET_WX_CONFIG_PATH = "/wx/getWxConfig";
      var H5_PAGE_BASE_FALLBACK = "https://prod.ailien.shop/h5/HBuilderProjects/";
      var WX_GET_CONFIG_SIGN_URL = H5_PAGE_BASE_FALLBACK + "shareAiConsult.html";
      var WECHAT_JS_SAFE_HOSTS = ["uat.ailien.shop", "prod.ailien.shop"];
      var APP_ANDROID_PACKAGE = "com.alien.Udianzaizhe";
      var APP_IOS_URL_SCHEME = "shopro://";
      var APP_UNI_AI_PATH = "pages/aiSearchResult/index";

      var sharePayloadCache = null;
      var weChatJssdkConfigured = false;
      var wxConfigSignRetriedBaseUrl = false;
      var wxInitLastError = "";
      var wxJssdkInitPromise = null;

      function escHtml(s) {
        return String(s || "")
          .replace(/&/g, "&amp;")
          .replace(/</g, "&lt;")
          .replace(/>/g, "&gt;")
          .replace(/"/g, "&quot;");
      }

      var IMAGE_EXT = "(?:jpe?g|png|gif|webp|bmp|avif)";
      var IMAGE_URL_PATTERN =
        "https?:\\/\\/[^\\s)）\\]]+\\." + IMAGE_EXT + "(?:\\?[^\\s)）\\]]*)?";

      function isInsideImageUrlSyntax(full, offset) {
        if (offset >= 2 && full.slice(offset - 2, offset) === "](") return true;
        if (offset >= 1 && full[offset - 1] === "(") return true;
        if (offset >= 6 && full.slice(offset - 6, offset) === "{{IMG|") return true;
        return false;
      }

      /** AI 回复常见：店名(https://...jpg) — 转为可渲染的图片占位 */
      function embedInlineImageUrls(text) {
        if (text == null) return "";
        var t = String(text);

        t = t.replace(
          new RegExp("([^\\n(（]+?)\\((" + IMAGE_URL_PATTERN + ")\\)", "gi"),
          function (_, label, url) {
            var name = String(label).trim();
            if (!name) return "\n\n{{IMG|" + url + "|}}\n\n";
            var alt = name.length > 24 ? "图片" : name.replace(/[\[\]]/g, "");
            return name + "\n\n{{IMG|" + url + "|" + alt + "}}\n\n";
          }
        );

        t = t.replace(
          new RegExp("\\((" + IMAGE_URL_PATTERN + ")\\)", "gi"),
          function (_, url) {
            return "\n\n{{IMG|" + url + "|}}\n\n";
          }
        );

        t = t.replace(new RegExp(IMAGE_URL_PATTERN, "gi"), function (url, offset, full) {
          if (isInsideImageUrlSyntax(full, offset)) return url;
          return "\n\n{{IMG|" + url + "|}}\n\n";
        });

        return t.replace(/\n{3,}/g, "\n\n");
      }

      function formatTextBlockHtml(text) {
        return escHtml(text).replace(/\n/g, "<br>");
      }

      function buildAiImageTag(url, alt) {
        var safeUrl = escHtml(url);
        var safeAlt = escHtml(alt || "图片");
        return (
          '<img class="ai-card__image" src="' +
          safeUrl +
          '" alt="' +
          safeAlt +
          '" loading="lazy" decoding="async" />'
        );
      }

      function renderAiContentHtml(text) {
        var t = embedInlineImageUrls(text);
        var html = "";
        var tokenRe = /\{\{IMG\|([^|]+)\|([^}]*)\}\}/g;
        var lastIndex = 0;
        var match;
        while ((match = tokenRe.exec(t)) !== null) {
          if (match.index > lastIndex) {
            html += formatTextBlockHtml(t.slice(lastIndex, match.index));
          }
          html += buildAiImageTag(match[1], match[2]);
          lastIndex = tokenRe.lastIndex;
        }
        if (lastIndex < t.length) {
          html += formatTextBlockHtml(t.slice(lastIndex));
        }
        return html;
      }

      function q(name) {
        try {
          var v = new URLSearchParams(location.search || "").get(name);
          return v == null ? "" : String(v);
        } catch (e) {
          return "";
        }
      }

      function getQueryParam(name) {
        var m = new RegExp("[?&]" + name + "=([^&]*)").exec(window.location.search);
        if (!m) return "";
        try {
          return decodeURIComponent(m[1].replace(/\+/g, " "));
        } catch (e) {
          return "";
        }
      }

      function parsePayload() {
        var raw = getQueryParam("payload");
        if (!raw) return null;
        try {
          return JSON.parse(raw);
        } catch (e) {
          return null;
        }
      }

      function getFirstUserQuestion(messages) {
        var list = Array.isArray(messages) ? messages : [];
        for (var i = 0; i < list.length; i++) {
          var m = list[i];
          if (!m || m.role !== "user") continue;
          if (m.isImage) return "[图片]";
          var t = String(m.content || "").trim();
          if (t) return t;
        }
        return "";
      }

      function formatDiscussionTitle(question) {
        var qText = String(question || "").trim();
        if (!qText) return "与AI助手对话";
        if (qText.slice(-3) === "的讨论") return qText;
        return qText + "的讨论";
      }

      function formatDate(ts) {
        var d = ts ? new Date(Number(ts)) : new Date();
        if (isNaN(d.getTime())) d = new Date();
        return d.getFullYear() + "年" + (d.getMonth() + 1) + "月" + d.getDate() + "日";
      }

      function renderMessages(messages) {
        var html = "";
        var list = Array.isArray(messages) ? messages : [];
        for (var i = 0; i < list.length; i++) {
          var msg = list[i];
          if (!msg) continue;
          if (msg.role === "user") {
            if (msg.isImage && msg.imageUrl) {
              html +=
                '<div class="row row--user"><div class="user-bubble"><img class="user-bubble__image" src="' +
                escHtml(msg.imageUrl) +
                '" alt="图片" loading="lazy" decoding="async" /></div></div>';
              continue;
            }
            var userText = String(msg.content || "").trim();
            if (!userText) continue;
            html +=
              '<div class="row row--user"><div class="user-bubble">' +
              escHtml(userText) +
              "</div></div>";
            continue;
          }
          if (msg.role === "ai") {
            var aiText = String(msg.content || "").trim();
            if (!aiText) continue;
            html +=
              '<div class="row row--ai"><div class="ai-card"><div class="ai-card__text">' +
              renderAiContentHtml(aiText) +
              "</div></div></div>";
          }
        }
        return html;
      }

      function applyWeixinShareMeta() {
        var siteName = "U店在哪";
        var iconUrl =
          "https://alien-volume.oss-cn-beijing.aliyuncs.com/icon/ubao.png";
        var setMeta = function (key, content) {
          var el =
            document.querySelector('meta[property="' + key + '"]') ||
            document.querySelector('meta[name="' + key + '"]');
          if (!el) {
            el = document.createElement("meta");
            if (key.indexOf("og:") === 0) {
              el.setAttribute("property", key);
            } else {
              el.setAttribute("name", key);
            }
            document.head.appendChild(el);
          }
          el.setAttribute("content", content);
        };
        setMeta("og:site_name", siteName);
        setMeta("application-name", siteName);
        setMeta("og:title", "和U宝的对话");
        setMeta("og:description", "点击查看对话内容");
        var links = document.querySelectorAll('link[rel="icon"], link[rel="apple-touch-icon"]');
        for (var i = 0; i < links.length; i++) {
          links[i].setAttribute("href", iconUrl);
        }
      }

      function resolveShareMessagesForDisplay(data) {
        var messages = Array.isArray(data && data.messages) ? data.messages : [];
        if (messages.length) return messages;
        var text = String((data && data.content) || "").trim();
        if (!text) return [];
        var list = [];
        var blocks = text.split(/\n\n+/);
        for (var i = 0; i < blocks.length; i++) {
          var block = String(blocks[i] || "").trim();
          if (!block) continue;
          var userMatch = block.match(/^我[：:]\s*([\s\S]*)$/);
          if (userMatch) {
            var userText = String(userMatch[1] || "").trim();
            if (userText) list.push({ role: "user", content: userText });
            continue;
          }
          var aiMatch = block.match(/^UBAO[：:]\s*([\s\S]*)$/i);
          if (aiMatch) {
            var aiText = String(aiMatch[1] || "").trim();
            if (aiText) list.push({ role: "ai", content: aiText });
          }
        }
        if (list.length) return list;
        var current = null;
        var lines = text.split(/\n/);
        for (var j = 0; j < lines.length; j++) {
          var line = String(lines[j] || "");
          var userLine = line.match(/^我[：:]\s*(.*)$/);
          var aiLine = line.match(/^UBAO[：:]\s*(.*)$/i);
          if (userLine) {
            if (current) list.push(current);
            current = { role: "user", content: String(userLine[1] || "").trim() };
            continue;
          }
          if (aiLine) {
            if (current) list.push(current);
            current = { role: "ai", content: String(aiLine[1] || "").trim() };
            continue;
          }
          if (current && line.trim()) {
            current.content = (current.content ? current.content + "\n" : "") + line.trim();
          }
        }
        if (current && String(current.content || "").trim()) list.push(current);
        return list;
      }

      function render(data) {
        applyWeixinShareMeta();
        sharePayloadCache = data || null;
        var main = document.getElementById("main");
        if (!data) {
          main.innerHTML = '<div class="empty">对话内容不存在或链接已失效</div>';
          refreshWxLaunchTagAttrs();
          return;
        }

        var messages = resolveShareMessagesForDisplay(data);
        var firstQuestion =
          String(data.firstQuestion || "").trim() ||
          getFirstUserQuestion(messages) ||
          (function () {
            var text = String(data.content || "").trim();
            var m = text.match(/^我[：:]([\s\S]+?)(?:\n\n|$)/);
            return m ? String(m[1] || "").trim() : "";
          })();
        var pageTitle = formatDiscussionTitle(firstQuestion);
        var dateText = formatDate(data.shareTime);

        document.title = pageTitle;

        var bodyHtml =
          '<section class="hero">' +
          '<h1 class="hero__title">' +
          escHtml(pageTitle) +
          "</h1>" +
          '<p class="hero__meta">' +
          escHtml(dateText) +
          " · 内容由AI生成，不能完全保障真实</p>" +
          '<div class="hero__divider"></div>' +
          "</section>";

        var convHtml = renderMessages(messages);
        if (convHtml) {
          bodyHtml += '<section class="conversation">' + convHtml + "</section>";
        } else {
          bodyHtml += '<div class="empty">暂无对话内容</div>';
        }

        main.innerHTML = bodyHtml;
        refreshWxLaunchTagAttrs();
      }

      function buildAiConsultOpenParams() {
        var params = new URLSearchParams();
        params.set("pageType", "home");
        params.set("fromShareAiConsult", "1");
        return params;
      }

      function buildAppDeepLink() {
        var path = APP_UNI_AI_PATH;
        var qs = buildAiConsultOpenParams().toString();
        var root = APP_IOS_URL_SCHEME.replace(/\/$/, "");
        return root + "/" + path + (qs ? "?" + qs : "");
      }

      function buildWeChatLaunchExtinfo(useBarePathOnly) {
        var path = APP_UNI_AI_PATH.replace(/^\//, "");
        if (useBarePathOnly) return path;
        var qs = buildAiConsultOpenParams().toString();
        var uniPage = qs ? path + "?" + qs : path;
        if (uniPage.length <= 1024) return uniPage;
        return path + "?pageType=home&fromShareAiConsult=1";
      }

      function isWeChatInAppBrowser() {
        return /MicroMessenger/i.test(navigator.userAgent || "");
      }

      function getWxShareEntryFrom() {
        var from = q("from");
        if (from) return String(from).trim().toLowerCase();
        try {
          var h = location.hash || "";
          var qi = h.indexOf("?");
          if (qi >= 0) {
            var hf = new URLSearchParams(h.slice(qi + 1)).get("from");
            if (hf) return String(hf).trim().toLowerCase();
          }
        } catch (eH) {}
        return "";
      }

      function logWxEntryDiagnostics() {
        if (!isWeChatInAppBrowser()) return;
        console.log("[wx-entry]", {
          entryFrom: getWxShareEntryFrom() || "(无)",
          wxJssdkReady: weChatJssdkConfigured,
          signUrl: getWxConfigSignUrl(),
        });
      }

      function isIOSWeChatBrowser() {
        var ua = navigator.userAgent || "";
        return /MicroMessenger/i.test(ua) && /iPhone|iPad|iPod/i.test(ua);
      }

      function isWxDebugOn() {
        return q("wxDebug") === "1";
      }

      function isWxForceDebug() {
        return q("wxForce") === "1";
      }

      function isWxPcAutoDebugHost() {
        var h = (location.hostname || "").toLowerCase();
        if (h === "localhost" || h === "127.0.0.1") return true;
        for (var i = 0; i < WECHAT_JS_SAFE_HOSTS.length; i++) {
          if (WECHAT_JS_SAFE_HOSTS[i] === h) return true;
        }
        return false;
      }

      function isWxPcBrowser() {
        return !isWeChatInAppBrowser();
      }

      function shouldInitWeChatJssdkOnLoad() {
        if (isWeChatInAppBrowser()) return true;
        return isWxForceDebug() || isWxPcAutoDebugHost();
      }

      function shouldFetchWxConfig(fromUserClick) {
        if (isWeChatInAppBrowser()) return true;
        if (fromUserClick) return true;
        return isWxForceDebug() || isWxPcAutoDebugHost();
      }

      function getWxHtmlUrl() {
        var forced = String(q("wxSignUrl") || "").trim();
        if (forced) return forced.split("#")[0];
        return String(location.href || "").split("#")[0];
      }

      function getWxSignPageUrlForApi() {
        var htmlUrl = getWxHtmlUrl();
        if (htmlUrl && /^https?:\/\//i.test(htmlUrl)) return htmlUrl;
        return WX_GET_CONFIG_SIGN_URL;
      }

      function getWxHtmlUrlBase() {
        var htmlUrl = getWxSignPageUrlForApi();
        try {
          var u = new URL(htmlUrl);
          return u.origin + u.pathname;
        } catch (eU) {
          return WX_GET_CONFIG_SIGN_URL;
        }
      }

      /** 默认 pathname 验签：AI 分享链常带超长 payload，与后端无参签名一致，避免开放标签 fail_check */
      function getWxConfigSignUrl() {
        if (String(q("wxSignFullUrl") || "") === "1") return getWxSignPageUrlForApi();
        if (String(q("wxSignBaseOnly") || "") === "1") return getWxHtmlUrlBase();
        if (isWeChatInAppBrowser()) return getWxHtmlUrlBase();
        return getWxSignPageUrlForApi();
      }

      function getWxGetConfigApiUrl() {
        return API_BASE.replace(/\/$/, "") + WECHAT_GET_WX_CONFIG_PATH;
      }

      function buildWxGetConfigRequestBody(htmlUrl) {
        return {
          url: String(htmlUrl || "").split("#")[0].trim(),
        };
      }

      function resolveWxConfigAppIdFromSignData(d) {
        if (!d || typeof d !== "object") return "";
        var mp =
          d.mpAppId ||
          d.mpAppid ||
          d.officialAppId ||
          d.gzhAppId ||
          d.serviceAppId;
        if (mp != null && String(mp).trim() !== "") return String(mp).trim();
        var fromQuery = String(q("wxMpAppId") || WECHAT_MP_APP_ID || "").trim();
        if (fromQuery) return fromQuery;
        var raw = d.appId || d.appid || d.wxAppId;
        return raw != null && String(raw).trim() !== "" ? String(raw).trim() : "";
      }

      function normalizeWxJssdkSignPayload(res, signUrlUsed) {
        if (!res || typeof res !== "object") return null;
        var d = res.data != null && typeof res.data === "object" ? res.data : res;
        if (!d || typeof d !== "object") return null;
        var appId = resolveWxConfigAppIdFromSignData(d);
        var timestamp = d.timestamp != null ? d.timestamp : d.timeStamp;
        var nonceStr =
          d.nonceStr != null && String(d.nonceStr) !== ""
            ? d.nonceStr
            : d.noncestr != null && String(d.noncestr) !== ""
              ? d.noncestr
              : d.nonce;
        var signature = d.signature || d.sign;
        if (!appId || timestamp == null || nonceStr == null || nonceStr === "" || !signature) {
          return null;
        }
        return {
          appId: String(appId),
          timestamp: Number(timestamp),
          nonceStr: String(nonceStr),
          signature: String(signature),
          signUrl: String(signUrlUsed || "")
            .split("#")[0]
            .trim(),
        };
      }

      function getWxErrMsg(err) {
        if (!err) return "";
        if (err.errMsg) return String(err.errMsg);
        if (typeof err === "string") return err;
        try {
          return JSON.stringify(err);
        } catch (e) {
          return String(err);
        }
      }

      function formatWxConfigErrorTip(err, signPageUrl) {
        var errMsg = getWxErrMsg(err);
        var tip = "微信 JSSDK 配置失败";
        if (/invalid signature/i.test(errMsg)) {
          return (
            tip +
            "：签名无效。请核对：①后端用与前端相同的 url 签名；②url=" +
            (signPageUrl || getWxHtmlUrl()) +
            "；③nonceStr/timestamp 与接口返回一致；④appId=" +
            WECHAT_MP_APP_ID
          );
        }
        if (/require\s*subscribe/i.test(errMsg)) {
          return tip + "：" + errMsg + "（服务号需用户已关注）";
        }
        return errMsg ? tip + "：" + errMsg : tip;
      }

      function setWxInitError(msg) {
        wxInitLastError = String(msg || "").trim();
        if (wxInitLastError) console.warn("[wx]", wxInitLastError);
      }

      function requestWeChatJssdkSignAndConfig(htmlUrlOptional) {
        var htmlUrl = String(htmlUrlOptional != null ? htmlUrlOptional : getWxConfigSignUrl())
          .split("#")[0]
          .trim();
        if (!htmlUrl || !/^https?:\/\//i.test(htmlUrl)) {
          htmlUrl = WX_GET_CONFIG_SIGN_URL;
        }

        if (isWxDebugOn()) {
          try {
            window.alert("htmlUrl（签名用，应与地址栏一致）：\n" + htmlUrl);
          } catch (eDbg) {}
        }

        var requestUrl = getWxGetConfigApiUrl();
        var requestBody = buildWxGetConfigRequestBody(htmlUrl);

        return fetch(requestUrl, {
          method: "POST",
          mode: "cors",
          credentials: "omit",
          headers: {
            Accept: "application/json",
            "Content-Type": "application/json;charset=UTF-8",
          },
          body: JSON.stringify(requestBody),
        })
          .then(function (r) {
            if (r.ok) return r.json();
            return r
              .text()
              .catch(function () {
                return "";
              })
              .then(function (text) {
                var hint = "";
                try {
                  var j = JSON.parse(text);
                  hint = j.msg || j.message || "";
                } catch (eP) {
                  if (text) hint = text.slice(0, 120);
                }
                throw new Error("getWxConfig HTTP " + r.status + (hint ? "：" + hint : ""));
              });
          })
          .then(function (res) {
            if (res && res.code != null) {
              var c = Number(res.code);
              if (c !== 200 && c !== 0 && res.success !== true) {
                throw new Error(res.msg || res.message || "getWxConfig code " + c);
              }
            }
            var sign = normalizeWxJssdkSignPayload(res, htmlUrl);
            if (!sign) {
              throw new Error("getWxConfig 缺少 appId/timestamp/nonceStr/signature（见控制台）");
            }
            if (typeof wx === "undefined") {
              if (isWxPcBrowser()) {
                console.log("[wx] PC getWxConfig 成功（无 jweixin）", sign);
                return true;
              }
              setWxInitError("jweixin.js 未加载");
              return false;
            }
            return applyWxConfigFromSign(sign, htmlUrl);
          });
      }

      function applyWxConfigFromSign(sign, htmlUrl) {
        var wxConfigParams = {
          debug: isWxDebugOn(),
          appId: String(sign.appId),
          timestamp: sign.timestamp,
          nonceStr: String(sign.nonceStr),
          signature: String(sign.signature),
          jsApiList: [],
          openTagList: ["wx-open-launch-app"],
        };
        return new Promise(function (resolve) {
          wx.config(wxConfigParams);
          wx.ready(function () {
            weChatJssdkConfigured = true;
            document.body.classList.add("wx-jssdk-ready");
            refreshWxLaunchTagAttrs();
            console.log("[wx.config] ready, htmlUrl=", htmlUrl);
            resolve(true);
          });
          wx.error(function (err) {
            weChatJssdkConfigured = false;
            document.body.classList.remove("wx-jssdk-ready");
            wxJssdkInitPromise = null;
            var errMsg = getWxErrMsg(err);
            setWxInitError(formatWxConfigErrorTip(err, htmlUrl));
            if (isWxDebugOn()) window.alert(wxInitLastError);
            console.warn("[wx.config]", errMsg, "htmlUrl=", htmlUrl);
            var baseUrl = getWxHtmlUrlBase();
            var fullUrl = getWxSignPageUrlForApi();
            if (
              !/invalid signature/i.test(errMsg) ||
              wxConfigSignRetriedBaseUrl ||
              baseUrl === fullUrl ||
              htmlUrl === baseUrl
            ) {
              resolve(false);
              return;
            }
            wxConfigSignRetriedBaseUrl = true;
            requestWeChatJssdkSignAndConfig(baseUrl).then(resolve);
          });
        });
      }

      function refreshWxLaunchTagAttrs(useBarePathOnly) {
        var tag = document.getElementById("launch-btn");
        if (!tag) return;
        try {
          tag.setAttribute("appid", WECHAT_OPEN_APP_ID);
          tag.setAttribute("extinfo", buildWeChatLaunchExtinfo(!!useBarePathOnly));
        } catch (eA) {}
      }

      function bindWeChatLaunchTagEvents() {
        var tag = document.getElementById("launch-btn");
        if (!tag || tag._wxLaunchBound) return;
        tag._wxLaunchBound = true;
        refreshWxLaunchTagAttrs();
        tag.addEventListener("launch", function () {
          console.log("[wx-open-launch-app] launch ok");
        });
        tag.addEventListener("error", function (e) {
          var detail = e && e.detail;
          var errMsg =
            detail && detail.errMsg
              ? String(detail.errMsg)
              : detail && detail.errmsg
                ? String(detail.errmsg)
                : "";
          console.warn(
            "[wx-open-launch-app]",
            detail,
            "extinfo=",
            tag.getAttribute("extinfo")
          );

          if (/launch:fail_check/i.test(errMsg)) {
            showAppOpenFailTip(
              "请用微信分享卡片进入，或确认已安装最新版「U店在哪」"
            );
            return;
          }

          if (
            /launch:fail/i.test(errMsg) &&
            !tag._wxLaunchBareRetried &&
            tag.getAttribute("extinfo") !== buildWeChatLaunchExtinfo(true)
          ) {
            tag._wxLaunchBareRetried = true;
            refreshWxLaunchTagAttrs(true);
            showFabToast("请再点一次「和U宝继续聊」");
            return;
          }

          if (/launch:fail/i.test(errMsg) && !getWxShareEntryFrom()) {
            showAppOpenFailTip(
              "当前环境无法直接打开 App，请使用 App「分享到微信」后点分享卡片进入"
            );
            return;
          }

          showAppOpenFailTip(
            errMsg
              ? "未能打开 App：" + errMsg
              : "未能打开 App，请确认已安装最新版「U店在哪」"
          );
        });
      }

      function initWeChatOpenLaunchApp(fromUserClick) {
        if (!shouldFetchWxConfig(!!fromUserClick)) {
          return Promise.resolve(false);
        }
        if (wxJssdkInitPromise && !fromUserClick) return wxJssdkInitPromise;

        wxConfigSignRetriedBaseUrl = false;
        wxInitLastError = "";
        var htmlUrl = getWxConfigSignUrl();

        bindWeChatLaunchTagEvents();
        wxJssdkInitPromise = requestWeChatJssdkSignAndConfig(htmlUrl)
          .then(function (ok) {
            if (ok === true) return true;
            if (!wxInitLastError) {
              setWxInitError("wx.config 失败，可加 ?wxDebug=1 查看 htmlUrl");
            }
            return false;
          })
          .catch(function (e) {
            var msg = e && e.message ? e.message : "getWxConfig 请求失败";
            setWxInitError(msg);
            console.warn("[wx] requestWeChatJssdkSignAndConfig failed", msg, "htmlUrl=", htmlUrl);
            if (isWeChatInAppBrowser() && isWxDebugOn()) window.alert(msg);
            return false;
          })
          .finally(function () {
            if (!weChatJssdkConfigured) wxJssdkInitPromise = null;
          });

        return wxJssdkInitPromise;
      }

      function scheduleWeChatJssdkBootstrap() {
        if (!shouldInitWeChatJssdkOnLoad()) return;
        var attempts = 0;
        function tick() {
          attempts += 1;
          if (weChatJssdkConfigured) return;
          initWeChatOpenLaunchApp();
          if (!weChatJssdkConfigured && attempts < 8 && typeof wx === "undefined") {
            setTimeout(tick, 400);
          }
        }
        if (isIOSWeChatBrowser()) {
          setTimeout(tick, 350);
        } else {
          tick();
        }
      }

      function showFabToast(msg, ms) {
        var tip = String(msg || "").trim();
        if (!tip) return;
        var el = document.getElementById("openAppToast");
        if (el) {
          el.textContent = tip;
          el.style.display = "block";
          if (showFabToast._t) clearTimeout(showFabToast._t);
          showFabToast._t = setTimeout(function () {
            el.style.display = "none";
          }, ms || 2800);
        }
        console.log("[openApp]", tip);
      }

      function showDownloadTip() {
        var msg = "请到应用商店下载「U店在哪」";
        if (typeof uni !== "undefined" && typeof uni.showToast === "function") {
          uni.showToast({ title: msg, icon: "none", duration: 2500 });
        } else {
          window.alert(msg);
        }
      }

      function showAppOpenFailTip(msg) {
        var tip = msg || "未能打开 App，请确认已安装最新版「U店在哪」。";
        if (typeof uni !== "undefined" && typeof uni.showToast === "function") {
          uni.showToast({ title: msg, icon: "none", duration: 2800 });
        } else if (isWeChatInAppBrowser()) {
          window.alert(tip);
        } else {
          showFabToast(tip);
        }
      }

      function launchAppDeepLink(deepLink) {
        try {
          var a = document.createElement("a");
          a.href = deepLink;
          a.setAttribute("target", "_self");
          document.body.appendChild(a);
          a.click();
          document.body.removeChild(a);
        } catch (e1) {}
        try {
          window.location.href = deepLink;
        } catch (e2) {}
      }

      function tryOpenHBuilderAppViaScheme() {
        var deepLink = buildAppDeepLink();

        if (typeof plus !== "undefined" && plus.runtime) {
          var installed = null;
          try {
            if (typeof plus.runtime.isApplicationExist === "function") {
              installed = plus.runtime.isApplicationExist({
                pname: APP_ANDROID_PACKAGE,
                action: APP_IOS_URL_SCHEME,
              });
            }
          } catch (e) {
            console.warn(e);
          }
          try {
            plus.runtime.openURL(deepLink);
          } catch (e2) {
            console.warn(e2);
            if (installed === false) {
              showDownloadTip();
            }
          }
          return;
        }

        var done = false;
        function finish() {
          if (done) return;
          done = true;
          document.removeEventListener("visibilitychange", onVis);
          window.removeEventListener("pagehide", onHide);
        }
        function onVis() {
          if (document.visibilityState === "hidden") finish();
        }
        function onHide() {
          finish();
        }
        document.addEventListener("visibilitychange", onVis);
        window.addEventListener("pagehide", onHide);

        try {
          launchAppDeepLink(deepLink);
        } catch (e3) {
          finish();
          showDownloadTip();
          return;
        }

        window.setTimeout(function () {
          finish();
        }, 3200);
      }

      function tryOpenApp() {
        if (isWeChatInAppBrowser()) return;
        tryOpenHBuilderAppViaScheme();
      }

      function boot() {
        var launchTag = document.getElementById("launch-btn");
        if (launchTag) launchTag.setAttribute("appid", WECHAT_OPEN_APP_ID);
        bindWeChatLaunchTagEvents();

        if (isWeChatInAppBrowser()) {
          document.body.classList.add("is-wechat");
          logWxEntryDiagnostics();
        }

        if (shouldInitWeChatJssdkOnLoad()) {
          scheduleWeChatJssdkBootstrap();
        }

        document.addEventListener("WeixinOpenTagsError", function (e) {
          console.warn("[WeixinOpenTagsError]", e && e.detail);
        });

        var btnContinue = document.getElementById("btnContinue");
        if (btnContinue) {
          if (isWeChatInAppBrowser()) {
            btnContinue.addEventListener("click", function () {
              if (!weChatJssdkConfigured) {
                showFabToast(
                  wxInitLastError || "微信 SDK 初始化中，请稍候再点底部按钮"
                );
                initWeChatOpenLaunchApp(true);
              }
            });
          } else {
            btnContinue.addEventListener("click", tryOpenApp);
          }
        }

        render(parsePayload());
      }

      if (document.readyState === "complete") {
        boot();
      } else {
        window.addEventListener("load", boot);
      }
    })();
  </script>
</body>
</html>