for循环转换成promise

最新推荐文章于 2024-09-12 08:30:00 发布

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最新推荐文章于 2024-09-12 08:30:00 发布

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原文链接：http://www.cnblogs.com/ybleeho/p/8440615.html


var getPhotoLikeCount = function (users) {
    return new Promise(function (resolve, reject) {
        let temp = 0;
        for (let i = 0; i < users.rows.length; i++) {
            model.PhotoLike.count({where: {'pId': users.rows[i].userid}}).then((count) => {
                temp++
                users.rows[i].like = count;
                if (temp == users.rows.length) {
                    resolve();
                }
            }).catch((err) => reject(err))
        }
    })
};