Template.hello.events({
    ‘click button‘: function () {
      // increment the counter when button is clicked
      Session.set(‘counter‘, Session.get(‘counter‘) + 1);

        var imgData = "不带描述头的base64图片数据";
        WeChat
            .share({
                title: ‘链接111111‘,
                description: ‘链接描述1111‘,
                url: ‘http://www.lawxin.com‘,
                thumbData:imgData
            }, WeChat.Scene.timeline, function () {
                alert(‘分享成功~‘);
            }, function (reason) {
                // 分享失败
                alert(reason);
            });
    }
  });