MoeNovaClient/MoeNovaClientH5/utils/wechat.js

/**
 * 微信相关工具函数
 */

// 微信SDK加载标志
let isWXSDKReady = false

/**
 * 加载微信JSSDK
 * @returns {Promise} 加载结果Promise
 */
export function loadWXSDK() {
  return new Promise((resolve, reject) => {
    // #ifdef H5
    if (isWXSDKReady) {
      resolve(window.wx)
      return
    }
    
    // 如果已经存在script标签，直接返回
    if (document.getElementById('wx-sdk')) {
      resolve(window.wx)
      return
    }
    
    // 创建script标签加载微信SDK
    const script = document.createElement('script')
    script.id = 'wx-sdk'
    script.src = 'https://res.wx.qq.com/open/js/jweixin-1.6.0.js'
    script.async = true
    script.onload = () => {
      isWXSDKReady = true
      resolve(window.wx)
    }
    script.onerror = (err) => {
      console.error('微信JSSDK加载失败', err)
      reject(new Error('微信JSSDK加载失败'))
    }
    document.body.appendChild(script)
    // #endif
    
    // 非H5环境
    // #ifndef H5
    resolve(null)
    // #endif
  })
}

/**
 * 配置微信SDK
 * @param {Object} config 配置信息
 */
export function configWX(config) {
  return new Promise((resolve, reject) => {
    // #ifdef H5
    loadWXSDK().then(wx => {
      if (!wx) {
        reject(new Error('微信JSSDK不可用'))
        return
      }
      
      wx.config({
        debug: false, // 生产环境不开启调试
        appId: config.appId,
        timestamp: config.timestamp,
        nonceStr: config.nonceStr,
        signature: config.signature,
        jsApiList: [
          'updateAppMessageShareData',
          'updateTimelineShareData',
          'onMenuShareAppMessage',
          'onMenuShareTimeline'
        ]
      })
      
      wx.ready(() => {
        resolve(wx)
      })
      
      wx.error(err => {
        console.error('微信JSSDK配置失败', err)
        reject(err)
      })
    }).catch(err => {
      reject(err)
    })
    // #endif
    
    // 非H5环境
    // #ifndef H5
    resolve(null)
    // #endif
  })
}

/**
 * 设置微信分享
 * @param {Object} shareData 分享数据
 */
export function share(shareData = {}) {
  // #ifdef H5
  loadWXSDK().then(wx => {
    if (!wx) {
      console.warn('微信JSSDK不可用')
      return
    }
    
    const data = {
      title: shareData.title || 'MoeNova',
      desc: shareData.desc || '一站式多平台应用，随时随地满足您的需求',
      link: shareData.link || window.location.href,
      imgUrl: shareData.imgUrl || '/static/logo.png',
      success: function() {
        console.log('分享成功')
        if (typeof shareData.success === 'function') {
          shareData.success()
        }
      },
      cancel: function() {
        console.log('取消分享')
        if (typeof shareData.cancel === 'function') {
          shareData.cancel()
        }
      }
    }
    
    // 兼容新旧接口
    if (wx.updateAppMessageShareData) {
      // 新接口，分享给朋友
      wx.updateAppMessageShareData(data)
    } else {
      // 旧接口，分享给朋友
      wx.onMenuShareAppMessage(data)
    }
    
    if (wx.updateTimelineShareData) {
      // 新接口，分享到朋友圈
      wx.updateTimelineShareData(data)
    } else {
      // 旧接口，分享到朋友圈
      wx.onMenuShareTimeline(data)
    }
  }).catch(err => {
    console.error('微信分享设置失败', err)
  })
  // #endif
}

export default {
  loadWXSDK,
  configWX,
  share
}