const getParameters = (URL) => {
  URL = JSON.parse('{"' + decodeURI(URL.split("?")[1]).replace(/"/g, '\\"').replace(/&/g, '","').replace(/=/g, '":"') +'"}');
  return JSON.stringify(URL);
};
console.log(getParameters('http://localhost:8080/#/projectpage?id=7098&Vid=344&type=2'))

运行结果：