java集成elasticsearch-rest-high-level-client实现增删改查

我只是代码搬运工

于 2022-05-12 15:47:06 发布

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文章标签： elasticsearch java 搜索引擎

本文链接：https://blog.youkuaiyun.com/u010825190/article/details/124732688

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依赖

<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>elasticsearch-rest-high-level-client</artifactId>
    <version>7.15.2</version>
</dependency>

<dependency>
    <groupId>commons-io</groupId>
    <artifactId>commons-io</artifactId>
    <version>2.5</version>
</dependency>

创建index

private static boolean createIndexAndMapping(RestHighLevelClient highLevelClient, String indexName) throws Exception {
   

    GetIndexRequest getIndexRequest = new GetIndexRequest(indexName);

    // 判断索引是否存在
    if(!highLevelClient.indices().exists(getIndexRequest, RequestOptions.DEFAULT)) {
   

        File file = ResourceUtils.getFile("classpath:json/mapping.json");

        // 读取mapping配置
        String jsonStr = IOUtils.toString(file.toURI(), StandardCharsets.UTF_8);

        CreateIndexRequest request = new CreateIndexRequest(indexName);

        XContentBuilder builder = XContentFactory.jsonBuilder().map(JSONObject.parseObject(jsonStr));

        request.