function getQueryVariable(variable) {
let query = window.location.search.substring(1);
let vars = query.split("&");
for (let i=0;i<vars.length;i++) {
let pair = vars[i].split("=");
if(pair[0] == variable){return pair[1];}
}
return(false);
}
原文：https://www.cnblogs.com/fczbk/p/12589663.html