微信分享

2026-07-09 17:14:00 +08:00
parent 3d3588babb
commit 3f60c37265
9 changed files with 180 additions and 3 deletions
@@ -0,0 +1,75 @@
+import { ensureJssdkReady, normalizeJssdkPageUrl } from './jssdk';
+import { getRuntimePlatform, isWechatBrowser } from './env';
+import type { WeixinSdkConfig } from './types';
+
+export type WechatShareData = {
+  title: string;
+  desc: string;
+  link: string;
+  imgUrl: string;
+};
+
+export function canUseWechatShare(): boolean {
+  return isWechatBrowser() || getRuntimePlatform() === 'mini';
+}
+
+function applyShareData(data: WechatShareData): Promise<void> {
+  return new Promise((resolve, reject) => {
+    const wx = window.wx;
+    if (!wx?.updateAppMessageShareData || !wx.updateTimelineShareData) {
+      reject(new Error('当前微信版本不支持分享，请升级微信后重试'));
+      return;
+    }
+
+    let pending = 2;
+    let failed = false;
+    const done = (err?: Error) => {
+      if (err && !failed) {
+        failed = true;
+        reject(err);
+        return;
+      }
+      pending -= 1;
+      if (pending === 0 && !failed) resolve();
+    };
+
+    wx.updateAppMessageShareData({
+      title: data.title,
+      desc: data.desc,
+      link: data.link,
+      imgUrl: data.imgUrl,
+      success: () => done(),
+      fail: (res) => done(new Error(res.errMsg || '设置分享给朋友失败')),
+    });
+
+    wx.updateTimelineShareData({
+      title: data.title,
+      link: data.link,
+      imgUrl: data.imgUrl,
+      success: () => done(),
+      fail: (res) => done(new Error(res.errMsg || '设置分享到朋友圈失败')),
+    });
+  });
+}
+
+/** 配置微信内分享卡片（好友 / 朋友圈） */
+export async function setWechatShareData(
+  config: WeixinSdkConfig,
+  data: WechatShareData,
+): Promise<void> {
+  if (!canUseWechatShare()) return;
+
+  await ensureJssdkReady({
+    apiBase: config.apiBase ?? '/api/v1',
+    clientApp: config.clientApp,
+    getAccessToken: config.getAccessToken,
+  });
+
+  await applyShareData(data);
+}
+
+/** 获取当前页分享链接（去掉 hash、OAuth 回跳参数） */
+export function getWechatShareLink(rawUrl?: string): string {
+  if (typeof window === 'undefined') return rawUrl ?? '';
+  return normalizeJssdkPageUrl(rawUrl ?? window.location.href);
+}