ES（elasticsearch）搜索标题精准匹配度调节_es 标题 精准匹配

/**
 * 搜索专辑
 * @param string $keywords     搜索词
 * @param int    $offset       偏移量
 * @param int    $limit        每页数量
 * @param array  $sort         排序条件, 默认按相关性排序, 支持多组(见self::$sort_*)
 * @param int    $content_type 专辑类型 -1：所有 0：音频 1：视频
 * @param array  $showTypes
 * @return array ['total' => 总数, 'data' => [故事ID, ...]]
 */
public static function searchAlbumByTitle($keywords, $offset = 0, $limit = 10, $sort = [], $content_type = -1, $showTypes = [ShowType::SHOW_TYPE_NORMAL])
{
    $query = [
        "query" => [
            "bool" => [
                "must" => [
                    [
                        "match" => [
                            'title' => [
                                "query" => $keywords,
                                "operator"=>"or",
                                "minimum_should_match"=>"75%",
                            ]
                        ]
                    ],
                    [
                        "term" => [
                            'status' => 1,
                        ]
                    ],
                ]
            ]
        ],
        "sort" => [],
        "_source" => "_id",
        "from" => $offset,
        "size" => $limit
    ];
    if ($content_type >= 0) {
        $query['query']['bool']['must'][] = [
            "term" => [
                'albumcontenttype' => $content_type,
            ]
        ];
    }
    if (count($showTypes) > 0) {
        $query['query']['bool']['must'][] = [
            "terms" => [
                'showtype' => $showTypes
            ]
        ];
    }

    $query["sort"] = self::getSort($sort);
    $ret = self::query($query);

    $ids = [];
    $total = empty($ret['hits']['total']) ? 0 : $ret['hits']['total'];
    if ($ret !== false) {
        foreach ($ret['hits']['hits'] as $v) {
            $ids[$v['_id']] = $v['_id'];
        }
    }

    return ['total' => $total, 'data' => $ids];
}
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最主要的是这段代码
“query” => $keywords,
“operator”=>“or”,
“minimum_should_match”=>“75%”,