获取页面参数search的几种方法

1.通过正则

function getUrlParams(url){

 const reg = /([^&?#]+)=([^&?#]+)/g;

 const obj = {};

 url.replace(reg, (...arg) => {

   const [, arg1, arg2] = arg;

   obj[arg1] = arg2;

 })

 return obj;

}

2.通过字符串拆分

function getUrlParams(Url){

   var str = Url;

   str = str.split('?')[1];

   var arr = str.split("&");

   var obj = new Object();

   for (var i = 0; i < arr.length; i++) {

       var tmp_arr = arr[i].split("=");

       obj[decodeURIComponent(tmp_arr[0])] = decodeURIComponent(tmp_arr[1]);

   }

   return obj;

}

3.通过原生格式化

// eg:window.location=http://www.baidu.com?id=10

var params = new URLSearchParams(window.location.search);

params.get('id')  //10