Vue中獲取URL地址上的參數

getTokenVue(){//使用vue的this.$route來獲取
        let url = this.$route.query
        let token;
        let loca_token = localStorage.getItem('token')
        let url_string = JSON.stringify(url)
        if (url_string == '{}') {
          if (loca_token) {
            token = loca_token
          }else{
            window.location.href = 'http://www.baidu.com'
          }
        }else{
          token = url.tk
          localStorage.setItem('token',token)
        }
        console.log(token)
}