let params = '&params=' + JSON.stringify({url: window.location.href});

let params = '&params=' + JSON.stringify({url: encodeURIComponent(window.location.href.split('#')[0])});

<script>
// 微信分享
import configModel from "../models/config.model";
import elementService from "../services/element.service";

class ShareService{
 wxShare(succCb, cancelCb, errorCb){
  let baseUrl = 'http://q.letwx.com/api/jsapi?action=jscfg';
  let samekey = '&uid=' + configModel.uid + '&wxapiopenid=' + configModel.apiopenid +　'&wxapitoken=' + configModel.apitoken + '&debug=nf';
  let params = '&params=' + JSON.stringify({url: encodeURIComponent(window.location.href.split('#')[0])}); // 这里是关键
  let url = baseUrl + params + samekey;
  $.post(url, data => {
   elementService.loadingHide();
   console.log(data);
   switch (data.error) {
    case 0:
     this.wxConfig(data.cfg, configModel.shareInfo, succCb, cancelCb, errorCb);
     break;
    default:
     elementService.message(data.error_msg, 'error');
     break;
   }
  }, 'json');
 }
 wxConfig(wxconfig, share, succCb, cancelCb, errorCb){
  wx.config({
   debug: false,
   appId: wxconfig.appId,
   timestamp: wxconfig.timestamp,
   nonceStr: wxconfig.nonceStr,
   signature: wxconfig.signature,
   jsApiList: [
    'onMenuShareTimeline',
    'onMenuShareAppMessage',
    'onMenuShareQQ',
    'onMenuShareWeibo'
   ]
  });
  wx.ready(function() {
   wx.onMenuShareAppMessage({ //朋友
    title: share.title,
    desc: share.desc,
    link: share.link,
    imgUrl: share.imgUrl,
    success: function() {
     succCb && succCb();
    },
    cancel: function() {
     cancelCb && cancelCb();
    }
   });
   wx.onMenuShareTimeline({ //朋友圈
    title: share.desc,
    link: share.link,
    imgUrl: share.imgUrl,
    success: function() {
     succCb && succCb();
    },
    cancel: function() {
     cancelCb && cancelCb();
    }
   });
   wx.onMenuShareQQ({ //QQ
    title: share.title,
    desc: share.desc,
    link: share.link,
    imgUrl: share.imgUrl,
    success: function() {
     succCb && succCb();
    },
    cancel: function() {
     cancelCb && cancelCb();
    }
   });
   wx.onMenuShareWeibo({ //QQ
    title: share.title,
    desc: share.desc,
    link: share.link,
    imgUrl: share.imgUrl,
    success: function() {
     succCb && succCb();
    },
    cancel: function() {
     cancelCb && cancelCb();
    }
   });
  });
  wx.error(function(res) {
   console.log(res);
   errorCb && errorCb(JSON.stringify(res));
  });
 }
}

let shareSerivice = new ShareService();
export default shareSerivice;
</script>