214 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
			
		
		
	
	
			214 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
import $store from '@/sheep/store';
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import $platform from '@/sheep/platform';
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import $router from '@/sheep/router';
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import $url from '@/sheep/url';
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import BrokerageApi from '@/sheep/api/trade/brokerage';
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import { SharePageEnum } from '@/sheep/helper/const';
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// #ifdef H5
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import $wxsdk from '@/sheep/libs/sdk-h5-weixin';
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// #endif
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// 设置分享的平台渠道: 1=H5,2=微信公众号网页,3=微信小程序,4=App,...按需扩展
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const platformMap = ['H5', 'WechatOfficialAccount', 'WechatMiniProgram', 'App'];
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// 设置分享方式: 1=直接转发,2=海报,3=复制链接,...按需扩展
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const fromMap = ['forward', 'poster', 'link'];
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// 设置分享信息参数
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const getShareInfo = (
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  scene = {
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    title: '', // 自定义分享标题
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    desc: '', // 自定义描述
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    image: '', // 自定义分享图片
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    params: {}, // 自定义分享参数
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  },
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  poster = {
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    // 自定义海报数据
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    type: 'user',
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  },
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) => {
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  const shareInfo = {
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    title: '', // 分享标题
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    desc: '', // 描述
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    image: '', // 分享图片
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    path: '', // 分享页面+参数
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    link: '', // 分享Url+参数
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    query: '', // 分享参数
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    poster, // 海报所需数据
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    forward: {}, // 转发所需参数
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  };
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  shareInfo.title = scene.title;
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  shareInfo.image = $url.cdn(scene.image);
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  shareInfo.desc = scene.desc;
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  const app = $store('app');
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  const shareConfig = app.platform.share;
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  // 自动拼接分享用户参数
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  const query = buildSpmQuery(scene.params);
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  shareInfo.query = query;
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  // 配置分享链接地址
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  shareInfo.link = buildSpmLink(query, shareConfig.linkAddress);
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  // 配置页面地址带参数
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  shareInfo.path = buildSpmPath();
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  // 配置页面转发参数
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  if (shareConfig.methods.includes('forward')) {
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    shareInfo.forward.path = buildSpmPath(query);
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  }
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  return shareInfo;
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};
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/**
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 * 构造 spm 分享参数
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 *
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 * @param params json 格式,其中包含:1)shareId 分享用户的编号;2)page 页面类型;3)query 页面 ID(参数);4)platform 平台类型;5)from 分享来源类型。
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 * @return 分享串 `spm=${shareId}.${page}.${query}.${platform}.${from}`
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 */
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const buildSpmQuery = (params) => {
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  const user = $store('user');
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  let shareId = '0'; // 设置分享者用户ID
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  if (typeof params.shareId === 'undefined') {
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    if (user.isLogin) {
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      shareId = user.userInfo.id;
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    }
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  }
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  let page = SharePageEnum.HOME.value; // 页面类型,默认首页
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  if (typeof params.page !== 'undefined') {
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    page = params.page;
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  }
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  let query = '0'; // 设置页面ID: 如商品ID、拼团ID等
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  if (typeof params.query !== 'undefined') {
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    query = params.query;
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  }
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  let platform = platformMap.indexOf($platform.name) + 1;
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  let from = '1';
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  if (typeof params.from !== 'undefined') {
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    from = platformMap.indexOf(params.from) + 1;
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  }
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  // spmParams = ...  可按需扩展
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  return `spm=${shareId}.${page}.${query}.${platform}.${from}`;
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};
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// 构造页面分享参数: 所有的分享都先到首页进行 spm 参数解析
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const buildSpmPath = (query) => {
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  // 默认是主页,页面 page,例如 pages/index/index,根路径前不要填加 /,
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  // 不能携带参数(参数请放在scene字段里),如果不填写这个字段,默认跳主页面。scancode_time为系统保留参数,不允许配置
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  // 页面分享时参数使用 ? 拼接
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  return typeof query === 'undefined' ? `pages/index/index` : `pages/index/index?${query}`;
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};
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// 构造分享链接
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const buildSpmLink = (query, linkAddress = '') => {
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  return `${linkAddress}?${query}`;
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};
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// 解析Spm
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const decryptSpm = (spm) => {
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  const user = $store('user');
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  let shareParamsArray = spm.split('.');
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  let shareParams = {
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    spm,
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    shareId: 0,
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    page: '',
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    query: {},
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    platform: '',
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    from: '',
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  };
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  let query;
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  shareParams.shareId = shareParamsArray[0];
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  switch (shareParamsArray[1]) {
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    case SharePageEnum.HOME.value:
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      // 默认首页不跳转
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      shareParams.page = SharePageEnum.HOME.page;
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      break;
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    case SharePageEnum.GOODS.value:
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      // 普通商品
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      shareParams.page = SharePageEnum.GOODS.page;
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      shareParams.query = {
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        id: shareParamsArray[2], // 设置活动编号
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      };
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      break;
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    case SharePageEnum.GROUPON.value:
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      // 拼团商品
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      shareParams.page = SharePageEnum.GROUPON.page;
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      shareParams.query = {
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        id: shareParamsArray[2], // 设置活动编号
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      };
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      break;
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    case SharePageEnum.SECKILL.value:
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      // 秒杀商品
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      shareParams.page = SharePageEnum.SECKILL.page;
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      shareParams.query = {
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        id: shareParamsArray[2], // 设置活动编号
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      };
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      break;
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    case SharePageEnum.GROUPON_DETAIL.value:
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      // 参与拼团
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      shareParams.page = SharePageEnum.GROUPON_DETAIL.page;
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      shareParams.query = {
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        id: shareParamsArray[2], // 设置活动编号
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      };
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      break;
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    case SharePageEnum.POINT.value:
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      // 积分商品
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      shareParams.page = SharePageEnum.POINT.page;
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      shareParams.query = {
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        id: shareParamsArray[2], // 设置活动编号
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      };
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      break;
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  }
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  shareParams.platform = platformMap[shareParamsArray[3] - 1];
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  shareParams.from = fromMap[shareParamsArray[4] - 1];
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  if (shareParams.shareId !== 0) {
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    // 记录分享者编号
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    uni.setStorageSync('shareId', shareParams.shareId);
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    // 已登录 绑定推广员
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    if (!!user.isLogin) {
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      bindBrokerageUser(shareParams.shareId);
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    }
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  }
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  if (shareParams.page !== SharePageEnum.HOME.page) {
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    $router.go(shareParams.page, shareParams.query);
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  }
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  return shareParams;
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};
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// 绑定推广员
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const bindBrokerageUser = async (val = undefined) => {
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  try {
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    const shareId = val || uni.getStorageSync('shareId');
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    if (!shareId) {
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      return;
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    }
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    // 绑定成功返回 true,失败返回 false
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    const { data } = await BrokerageApi.bindBrokerageUser({ bindUserId: shareId });
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    // 绑定成功后清除缓存
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    if (data) {
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      uni.removeStorageSync('shareId');
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    }
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  } catch (e) {
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    console.error(e);
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  }
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};
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// 更新公众号分享sdk
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const updateShareInfo = (shareInfo) => {
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  // #ifdef H5
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  if ($platform.name === 'WechatOfficialAccount') {
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    $wxsdk.updateShareInfo(shareInfo);
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  }
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  // #endif
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};
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export default {
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  getShareInfo,
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  updateShareInfo,
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  decryptSpm,
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  bindBrokerageUser,
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};
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