❧ 拦截页面接口响应结果

(function(open) {
    // 监听api获取数据
    XMLHttpRequest.prototype.open = function () {
        this.addEventListener("readystatechange", function () {
            // 需要筛选的url
            const url = "/api/v1/advanced/changedata/listCustomerClasses";
            if (this.responseURL.indexOf(url) >= -1 && this.readyState == 4) {
                const resData = JSON.parse(this.responseText);
                // 响应JSON结果
                console.log(resData);
            }

        }, false);
        open.apply(this, arguments);
    };
)(XMLHttpRequest.prototype.open);