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      1. 数据库查询exp问题

        浏览:71 发布日期:2019/10/21 分类:求助交流
        public function search() {
        $rec = input();
        $model = model('Category');
        $row = $model->get($rec['pid']);
        $color = 'color';
        $pro = model('product');
        $pids = $model->field('id')->where('pid', $rec['pid'])->buildSql();
        $where[$color] = ['like', '%' . $rec['color'] . '%'];
        if ($rec['pid'] > 0) {
        $where['category_id'] = array('exp', ' IN ' . $pids);
        }
        $row2 = $pro->where($where)->select();
        $this->view->assign('row', $row);
        $this->view->assign('row2', $row2);
        return $this->view->fetch();
        }

        $where['category_id'] = array('exp', ' IN ' . $pids); 这句报错,要怎么写呢?
        最佳答案
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