//解析url参数 function getQueryString(name) { let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); let r = window.location.search.substr(1).match(reg); if (r != null) { return decodeURIComponent(r[2]); }; return null; }
var canshu = getQueryString("参数名");
console.log(canshu);