fetch 添加請求頭headers

// var headers = new Headers();
    // headers.append('Authorization', localStorage.getItem('token'));
    fetch('/distributor/sidebar',{
      headers:{
        'Authorization':localStorage.getItem('token')
      }
    }).then(response => {
      return response.json();  // 先將結果轉換為 JSON 對象
    })
    .then(data => {
      console.log(data);
      this.setState({
        name:data.info.dealer_name,
        phone:data.info.username
      });
    }).catch(function(error){
       console.log(error);
    });