feat(mini): v4.0.8 客服卡片主包落地、定位误报修复，合伙人微信内预览保存海报

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/weixin-sdk/src/index.ts

@@ -25,6 +25,7 @@ export { scanQrCode } from './scan';
 export { invokeWechatPay } from './pay';
 export { chooseWechatImages, canUseWechatChooseImage, formatChooseImageFailMessage } from './chooseImage';
 export type { ChooseWechatImageOptions } from './chooseImage';
+export { previewWechatImage, isHttpImageUrl } from './previewImage';
 export {
   setWechatShareData,
   canUseWechatShare,
@@ -53,6 +54,7 @@ import { getWechatLocation, getWechatLocationDetailed } from './location';
 import { scanQrCode } from './scan';
 import { invokeWechatPay } from './pay';
 import { chooseWechatImages } from './chooseImage';
+import { previewWechatImage } from './previewImage';
 import { setWechatShareData, shareViaWechatSdk } from './share';
 import {
   wechatLogin,
@@ -76,6 +78,7 @@ export function createWeixinSdk(config: WeixinSdkConfig) {
     scanQrCode: (options?: Parameters<typeof scanQrCode>[1]) => scanQrCode(config, options),
     chooseImages: (options?: Parameters<typeof chooseWechatImages>[1]) =>
       chooseWechatImages(config, options),
+    previewImage: (url: string) => previewWechatImage(config, url),
     pay: (prepay: Parameters<typeof invokeWechatPay>[0]) =>
       invokeWechatPay(prepay, {
         apiBase: config.apiBase ?? '/api/v1',

packages/weixin-sdk/src/previewImage.ts

@@ -0,0 +1,33 @@
+import { ensureJssdkReady } from './jssdk';
+import type { WeixinSdkConfig } from './types';
+
+export function isHttpImageUrl(url?: string | null): url is string {
+  return !!url && /^https?:\/\//i.test(url.trim());
+}
+
+/** 微信内预览图片，便于长按保存到相册（须是可公网访问的 http(s) 地址） */
+export async function previewWechatImage(config: WeixinSdkConfig, url: string): Promise<void> {
+  const href = url.trim();
+  if (!isHttpImageUrl(href)) {
+    throw new Error('图片地址无效');
+  }
+
+  await ensureJssdkReady({
+    apiBase: config.apiBase ?? '/api/v1',
+    clientApp: config.clientApp,
+    getAccessToken: config.getAccessToken,
+  });
+
+  if (!window.wx?.previewImage) {
+    throw new Error('微信预览图片不可用');
+  }
+
+  await new Promise<void>((resolve, reject) => {
+    window.wx!.previewImage!({
+      current: href,
+      urls: [href],
+      success: () => resolve(),
+      fail: (res) => reject(new Error(res?.errMsg || '预览失败')),
+    });
+  });
+}

packages/weixin-sdk/src/types.ts

@@ -58,6 +58,12 @@ export type WxApi = {
     success?: (res: { localData: string }) => void;
     fail?: (res: { errMsg: string }) => void;
   }) => void;
+  previewImage: (options: {
+    current: string;
+    urls: string[];
+    success?: () => void;
+    fail?: (res: { errMsg: string }) => void;
+  }) => void;
   updateAppMessageShareData: (options: {
     title: string;
     desc: string;
@@ -121,6 +127,7 @@ export const DEFAULT_JS_API_LIST = [
   'chooseWXPay',
   'chooseImage',
   'getLocalImgData',
+  'previewImage',
   'updateAppMessageShareData',
   'updateTimelineShareData',
   'onMenuShareAppMessage',