window.location获取参数

 getUrlParam.js

export default function getUrlParam(param){
    let urlObj = {};
    if(!window.location.search){return false;}
    let urlParams = window.location.search.substring(1);
    let urlArr = urlParams.split('&');
    for(let i = 0; i < urlArr.length; i++){
        let urlArrItem = urlArr[i].split('=');
        urlObj[urlArrItem[0]] = urlArrItem[1]
    }　　// 判断是否有参数
    if(arguments.length>=1){
        return urlObj[param]
    }
    return urlObj;
}

调用

  let cid = getUrlParam('bxm_id')
  if (cid) {
    localStorage.setItem("cid", cid)
  }