js获取url的参数

    getUrlParams(variable) {
        var query = window.location.search.substring(1);
        var vars = query.split('&');
        for (var i = 0; i < vars.length; i++) {
            var pair = vars[i].split('=');
            if (pair[0] == variable) {
                return pair[1];
            }
        }
        return false;
    }