1.3 存储异步请求结果

<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
    <script>
        var promiseObj = new Promise(function (resolve, reject) {
            $.ajax({
                url: 'http://huruqing.cn:3000/api/film/getList',
                type: 'get',
                data: {},
                success(res) {
                    resolve(res);
                },
                error(err) {
                    reject(err)
                }
            })
        })
        //2.获取数据
        promiseObj.then(function (res) {
            console.log(res);
        }).catch(function (err) {
            console.log(err);
        })
    </script>