dreamland/app/user/lib/Collection.php

<?php

namespace User\Lib;

use Dever;

class Collection
{
    # 保存信息
    public function up($uid, $info_id, $num = 1)
    {
        $where['uid'] = $uid;
        $where['info_id'] = $info_id;
        $info = Dever::db('user/collection')->one($where);
        if (!$info) {
            $where['num'] = $num;
            Dever::db('user/collection')->insert($where);
        } else {
            $update['where_id'] = $info['id'];
            $update['num'] = $info['num'] + $num;
            Dever::db('user/collection')->update($update);
        }
        return true;
    }

    # 获取信息
    public function one($uid, $info_id)
    {
        $where['uid'] = $uid;
        $where['info_id'] = $info_id;
        $info = Dever::db('user/collection')->one($where);

        return $info;
    }
}