微信小程序分享-全局配置

// Page劫持 每个页面塞入分享方法
let originalPage = Page
Page = function(obj) {
    //获取当前页面路由
    let routerUrl = ""
    wx.onAppRoute(function (res) {
      //获取到页面路由
      let pages = getCurrentPages(),        
      view = pages[pages.length - 1];
      routerUrl = view.route
    })
    obj = Object.assign({
      onShareAppMessage: function() {
          return {
              title: '测试分享title',
              path: routerUrl,
              imageUrl: ''
          }
      }
    },obj)
    return originalPage(obj)
}