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分享內容：《如何在linkage中實現自定義字段的搜索》

實現功能：多個條件匹配，目前只能匹配等于

代碼 如下：

case 'linkage': // 聯動菜單


    $linkage = \Phpcmf\Service::L('cache')->get('linkage-' . $system['site'] . '-' . $param['code']);
    if (!$linkage) {
        return $this->_return($system['return'], "聯動菜單{$param['code']}不存在，請在后臺更新緩存");
    }

    // 通過別名找id
    $ids = @array_flip(\Phpcmf\Service::C()->get_cache('linkage-' . $system['site'] . '-' . $param['code'] . '-id'));

    if (isset($param['pid'])) {
        if (is_numeric($param['pid'])) {
            $pid = intval($param['pid']);
        } elseif (!$param['pid']) {
            $pid = 0;
        } else {
            $pid = isset($ids[$param['pid']]) ? $ids[$param['pid']] : 0;
            !$pid && is_numeric($param['pid']) && \Phpcmf\Service::C()->get_cache('linkage-' . $system['site'] . '-' . $param['code'] . '-id', $param['pid']) && $pid = intval($param['pid']);
        }
    }


    $i = 0;
    $return = array();
    foreach ($linkage as $t) {
        if ($system['num'] && $i >= $system['num']) {
            break;
        } elseif (isset($param['pid']) && $t['pid'] != $pid) {
            continue;
        } elseif (isset($param['id']) && !in_array($t['id'], explode(',', $param['id']))) {
            continue;
        }
        $return[] = $t;
        $i++;
    }


    if (!$return && isset($param['pid'])) {

        $rpid = isset($param['fid']) ? (int)$ids[$param['fid']] : (int)$linkage[$param['pid']]['pid'];
        foreach ($linkage as $t) {
            if ($t['pid'] == $rpid) {
                if ($system['num'] && $i >= $system['num']) {
                    break;
                }
                if (isset($param['id']) && !in_array($t['id'], explode(',', $param['id']))) {
                    continue;
                }
                $return[] = $t;
                $i++;
            }
        }
        if (!$return) {
            return $this->_return($system['return'], '沒有匹配到內容');
        }
    }

    /**
     * 其他自定義參數實現開始
     */
    //獲取當前linkage的所有字段
    $db_field_sources = $return[0];
    $linkage_db_field = [];
    foreach ($db_field_sources as $field => $val) {
        array_push($linkage_db_field, $field);
    }
    $customer_params = array();
    if (count($param) > 0) {
        foreach ($param as $key => $val) {
            if ($key == 'code' || $key == 'pid' || $key == 'id') {
                continue;
            }
            if (!in_array($key, $linkage_db_field)) {
                continue;
            }
            $customer_params[$key] = $val;
        }
    }
    if (!empty($customer_params) && count($customer_params) > 0) {
        foreach ($return as $key => $item) {
            foreach ($customer_params as $filter_field => $filter_value) {
                if($item[$filter_field]!=$filter_value){
                    unset($return[$key]);
                }
            }
        }
    }
    /**
     * 其他自定義參數實現結束
     */
    return $this->_return($system['return'], isset($param['call']) && $param['call'] ? @array_reverse($return) : $return, '');
    break;