网络请求-GET请求传参

import http from '@ohos.net.http'; 
 
static get(url: string, params?: HashMap<string, object> | null, callback?: RequestCallback) { 
  let requestUrl = new URL(url); 
  if (params) { 
    const urlParams = new URLParams(); 
    params.forEach((value: object, key: string) => { 
      urlParams.append(key, value.toString()); 
    }); 
    requestUrl.params = urlParams; 
  } 
 
  CommonNetworkUtil.request(requestUrl.toString(), http.RequestMethod.GET, null, callback); 
}