Vue公眾號配置微信授權（路由采用history模式）

created() {
  let vm = this;
  /**如果掃碼進入，后端會在地址傳openid;
   * */
  if (this.$route.query.openid !== "" || Cookies.get('SESSION')) {
    return
  }
  let code=this.getUrlKey("code");
  if (!code) {
    this.getCodeApi("123");
  } else {
　　/*調取接口查看是否登錄*/
    userLogin({code:code}).then((res) => {
      window.localStorage.setItem("loginState", '1');
    }).catch((err)=> {
      /*說明沒登錄*/
      window.localStorage.setItem("loginState", '0');
      vm.$_toast(err.message)
    })
  }

}
getUrlKey(name){// 獲取url 參數
  return decodeURIComponent((new RegExp('[?|&]'+name+'='+'([^&;]+?)(&|#|;|$)').exec(location.href)||[,""])[1].replace(/\+/g,'%20'))||null;
}
getCodeApi(state){// 獲取code
  let urlNow=window.location.href;
  let scope='snsapi_base';    // snsapi_userinfo   //靜默授權 用戶無感知
  let appid=appId;
  let url=`https://open.weixin.qq.com/connect/oauth2/authorize?appid=${appid}&redirect_uri=${urlNow}&response_type=code&scope=${scope}&state=${state}#wechat_redirect`;
  window.location.replace(url);
}