增加事件的分享功能
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232
src/hooks/useWechatShare.js
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232
src/hooks/useWechatShare.js
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// src/hooks/useWechatShare.js
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// 微信分享 Hook - 支持自动配置右上角分享菜单和显式分享引导
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import { useState, useEffect, useCallback, useRef } from 'react';
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import { getJsSdkConfig } from '@services/miniprogramService';
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/**
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* 检测是否在微信浏览器中
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*/
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const isWechatBrowser = () => {
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const ua = navigator.userAgent.toLowerCase();
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return ua.includes('micromessenger');
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};
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/**
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* 微信分享 Hook
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*
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* @param {Object} options - 分享配置
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* @param {string} options.title - 分享标题
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* @param {string} options.desc - 分享描述
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* @param {string} options.link - 分享链接(默认当前页面)
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* @param {string} options.imgUrl - 分享图标 URL
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* @param {boolean} options.autoSetup - 是否自动配置分享(默认 true)
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*
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* @returns {Object} 分享状态和方法
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*/
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const useWechatShare = (options = {}) => {
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const {
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title = '',
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desc = '',
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link = '',
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imgUrl = '',
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autoSetup = true,
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} = options;
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const [isReady, setIsReady] = useState(false);
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const [isInWechat, setIsInWechat] = useState(false);
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const [error, setError] = useState(null);
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const [isLoading, setIsLoading] = useState(false);
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// 使用 ref 存储最新的分享配置,避免重复初始化
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const shareConfigRef = useRef({ title, desc, link, imgUrl });
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const isInitializedRef = useRef(false);
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// 更新 ref 中的配置
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useEffect(() => {
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shareConfigRef.current = { title, desc, link, imgUrl };
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// 如果已初始化且配置变化,更新分享内容
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if (isReady && isInWechat && window.wx) {
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updateShareData();
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}
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}, [title, desc, link, imgUrl, isReady, isInWechat]);
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/**
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* 更新分享数据
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*/
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const updateShareData = useCallback(() => {
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if (!window.wx || !isReady) return;
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const config = shareConfigRef.current;
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const shareLink = config.link || window.location.href.split('#')[0];
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// 分享给朋友
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window.wx.updateAppMessageShareData({
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title: config.title || document.title,
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desc: config.desc || '',
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link: shareLink,
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imgUrl: config.imgUrl || `${window.location.origin}/logo192.png`,
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success: () => {
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console.log('[WechatShare] updateAppMessageShareData 设置成功');
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},
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fail: (err) => {
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console.error('[WechatShare] updateAppMessageShareData 失败:', err);
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}
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});
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// 分享到朋友圈
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window.wx.updateTimelineShareData({
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title: config.title || document.title,
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link: shareLink,
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imgUrl: config.imgUrl || `${window.location.origin}/logo192.png`,
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success: () => {
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console.log('[WechatShare] updateTimelineShareData 设置成功');
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},
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fail: (err) => {
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console.error('[WechatShare] updateTimelineShareData 失败:', err);
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}
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});
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}, [isReady]);
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/**
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* 初始化微信 JS-SDK
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*/
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const initWxSdk = useCallback(async () => {
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if (isInitializedRef.current || !isInWechat) return;
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setIsLoading(true);
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setError(null);
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try {
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// 获取当前页面 URL(不含 hash)
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const currentUrl = window.location.href.split('#')[0];
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// 获取 JS-SDK 签名配置
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const config = await getJsSdkConfig(currentUrl);
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if (!config) {
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throw new Error('获取签名配置失败');
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}
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// 配置微信 JS-SDK
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window.wx.config({
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debug: false, // 生产环境关闭
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appId: config.appId,
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timestamp: config.timestamp,
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nonceStr: config.nonceStr,
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signature: config.signature,
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jsApiList: ['updateAppMessageShareData', 'updateTimelineShareData'],
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});
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// 监听 ready 事件
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window.wx.ready(() => {
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console.log('[WechatShare] wx.ready 触发');
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isInitializedRef.current = true;
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setIsReady(true);
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setIsLoading(false);
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// 自动设置分享内容
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if (autoSetup) {
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updateShareData();
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}
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});
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// 监听 error 事件
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window.wx.error((err) => {
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console.error('[WechatShare] wx.error:', err);
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setError(err.errMsg || '微信 JS-SDK 初始化失败');
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setIsLoading(false);
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});
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} catch (err) {
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console.error('[WechatShare] 初始化失败:', err);
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setError(err.message || '初始化失败');
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setIsLoading(false);
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}
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}, [isInWechat, autoSetup, updateShareData]);
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// 检测微信环境并初始化
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useEffect(() => {
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const inWechat = isWechatBrowser();
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setIsInWechat(inWechat);
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if (inWechat && autoSetup) {
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// 确保 wx 对象已加载
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if (window.wx) {
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initWxSdk();
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} else {
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// 等待 wx 对象加载
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const checkWx = setInterval(() => {
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if (window.wx) {
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clearInterval(checkWx);
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initWxSdk();
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}
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}, 100);
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// 3秒后停止检查
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setTimeout(() => clearInterval(checkWx), 3000);
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}
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}
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}, [autoSetup, initWxSdk]);
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/**
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* 手动触发分享引导
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* 在微信中会提示用户点击右上角分享
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* 在非微信环境中可以展示其他分享方式
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*/
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const triggerShare = useCallback(() => {
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if (!isInWechat) {
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// 非微信环境,可以使用 Web Share API 或复制链接
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if (navigator.share) {
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navigator.share({
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title: shareConfigRef.current.title || document.title,
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text: shareConfigRef.current.desc,
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url: shareConfigRef.current.link || window.location.href,
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}).catch((err) => {
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console.log('[WechatShare] Web Share 取消或失败:', err);
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});
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} else {
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// 复制链接到剪贴板
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const link = shareConfigRef.current.link || window.location.href;
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navigator.clipboard?.writeText(link).then(() => {
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console.log('[WechatShare] 链接已复制');
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});
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}
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return { type: 'web', success: true };
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}
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// 微信环境:无法直接触发分享,返回提示信息
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return {
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type: 'wechat',
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success: true,
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message: '请点击右上角「...」进行分享',
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};
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}, [isInWechat]);
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/**
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* 手动更新分享配置
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*/
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const setShareConfig = useCallback((newConfig) => {
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shareConfigRef.current = {
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...shareConfigRef.current,
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...newConfig,
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};
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if (isReady && isInWechat) {
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updateShareData();
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}
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}, [isReady, isInWechat, updateShareData]);
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return {
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isReady, // JS-SDK 是否就绪
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isInWechat, // 是否在微信浏览器中
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isLoading, // 是否正在加载
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error, // 错误信息
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triggerShare, // 触发分享引导
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setShareConfig, // 手动更新分享配置
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updateShareData, // 手动更新分享数据到微信
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};
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};
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export default useWechatShare;
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