ow

uniapp/youjiala/src/components/family-tree-home/family-tree-home.vue

@@ -42,6 +42,7 @@ import { pageUrl } from "@/router/routes";
 import { chooseFiles } from "@/utils/chooseFiles";
 import { saveFileBytes } from "@/utils/dmsBytes";
 import { absoluteFileUrl, backupFileUrl } from "@/utils/fileUrl";
+import { isWeixinBrowser } from "@/utils/weixin";
 
 /** ready：组件挂载完成通知（时序口径见文件底部 onMounted 注释） */
 const emit = defineEmits<{ (e: "ready"): void }>();
@@ -151,6 +152,16 @@ const downloadGlyph = `data:image/svg+xml,${encodeURIComponent(downloadSvg)}`;
 /** H5 下载 App 安装包：复用网盘 file 页同一条下载链——requestBuffer 按当前线路取字节
  *  （后端报错回的是 JSON，按 content-type 转成错误提示，不会跳错误页），saveFileBytes 走 blob <a download> 落盘 */
 async function onDownloadApp(): Promise<void> {
+  // 微信内置浏览器屏蔽 <a download> 且 apk 在微信下载封禁名单里（点击静默无反应），
+  // 只能引导用户到系统浏览器下载
+  if (isWeixinBrowser()) {
+    uni.showModal({
+      title: t("storage.downloadApp"),
+      content: t("storage.openInBrowserTip"),
+      showCancel: false,
+    });
+    return;
+  }
   uni.showLoading({ title: t("storage.downloadingApp"), mask: true });
   try {
     const bytes = await requestBuffer({ url: "/FileServer/youjiala.apk", method: "GET" });

uniapp/youjiala/src/locale/lang/en-US.json

@@ -13,6 +13,7 @@
     "avatarUploadFailed": "Avatar upload failed",
     "downloadApp": "Download App",
     "downloadingApp": "Downloading…",
+    "openInBrowserTip": "Downloads are blocked inside WeChat. Please tap \"···\" at the top right, choose \"Open in browser\", then tap download again.",
     "downloadStarted": "Downloading youjiala.apk…"
   },
   "article": {

uniapp/youjiala/src/locale/lang/zh-CN.json

@@ -13,6 +13,7 @@
     "avatarUploadFailed": "头像上传失败",
     "downloadApp": "下载 App",
     "downloadingApp": "正在下载…",
+    "openInBrowserTip": "微信内无法直接下载文件，请点击右上角「···」，选择「在浏览器打开」后再点击下载",
     "downloadStarted": "开始下载 youjiala.apk…"
   },
   "article": {

uniapp/youjiala/src/pages/tab/file.vue

@@ -40,6 +40,7 @@ import { fetchFileBytes, saveFileBytes, toImageUrl, toPlayableUrl } from "@/util
 import { absoluteFileUrl } from "@/utils/fileUrl";
 import { clearPlayback, setPlayback } from "@/utils/playbackBus";
 import { transferGlyph } from "@/utils/transferGlyph";
+import { isWeixinBrowser } from "@/utils/weixin";
 
 const { t } = useLocale();
 
@@ -584,6 +585,15 @@ async function actionDownload(targets: FileItem[]): Promise<void> {
     toast(t("FilePage.downloadNoFile"));
     return;
   }
+  // 微信内置浏览器屏蔽 blob/<a download>（点击静默无反应），只能引导转系统浏览器下载
+  if (isWeixinBrowser()) {
+    uni.showModal({
+      title: t("FilePage.actionDownload"),
+      content: t("storage.openInBrowserTip"),
+      showCancel: false,
+    });
+    return;
+  }
   await withBusy(async () => {
     for (const file of picked) {
       const record = recordOf(file);

uniapp/youjiala/src/utils/weixin.ts

@@ -0,0 +1,15 @@
+/**
+ * 微信内置浏览器检测（iOS WKWebView / 安卓 XWeb 的 UA 都带 MicroMessenger 标记）：
+ * 微信屏蔽 <a download> 与 blob 落盘（点击静默无反应、无任何报错），apk 更在
+ * 微信下载封禁名单里，客户端没有绕过手段——H5 的下载入口命中微信时必须弹窗
+ * 引导用户「右上角··· → 在浏览器打开」后回系统浏览器下载。
+ * 非 H5 端（App/小程序）不存在微信网页环境，恒为 false。
+ */
+export function isWeixinBrowser(): boolean {
+  // #ifdef H5
+  return /MicroMessenger/i.test(navigator.userAgent);
+  // #endif
+  // #ifndef H5
+  return false;
+  // #endif
+}