防京东商城搜索（高亮）

1、工程创建（springboot）

创建过程略

目录结构

2、基本编码

①导入依赖

<properties>
    <java.version>1.8</java.version>
    <elasticsearch.version>7.6.1</elasticsearch.version>
</properties>
<dependencies>
    <!-- jsoup解析页面 -->
    <!-- 解析网页 爬视频可 研究tiko -->
    <dependency>
        <groupId>org.jsoup</groupId>
        <artifactId>jsoup</artifactId>
        <version>1.10.2</version>
    </dependency>
    <!-- fastjson -->
    <dependency>
        <groupId>com.alibaba</groupId>
        <artifactId>fastjson</artifactId>
        <version>1.2.70</version>
    </dependency>
    <!-- ElasticSearch -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
    </dependency>
    <!-- thymeleaf -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>
    <!-- web -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!-- devtools热部署 -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
        <optional>true</optional>
    </dependency>
    <!--  -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-configuration-processor</artifactId>
        <optional>true</optional>
    </dependency>
    <!-- lombok 需要安装插件 -->
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <!-- test -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
</dependencies>

②导入前端素材

略

③编写 application.preperties配置文件

 # 更改端口，防止冲突
server.port=9090
 # 关闭thymeleaf缓存
spring.thymeleaf.cache=false

④测试controller和view

@Controller
public class IndexController {
   
    @GetMapping({
   "/","index"})
    public String index(){
   
        return "index";
    }
}

访问 localhost:9090

到这里可以先去编写爬虫，编写之后，回到这里

⑤编写Config

@Configuration
public class ElasticSearchConfig {
   
    @Bean
    public RestHighLevelClient restHighLevelClient(){
   
        RestHighLevelClient client = new RestHighLevelClient(
                RestClient.builder(
                        new HttpHost("127.0.0.1",9200,"http")
                )
        );
        return client;
    }
}

⑥编写service

因为是爬取的数据，那么就不走Dao，以下编写都不会编写接口，开发中必须严格要求编写

ContentService

@Service
public class ContentService {
   
    @Autowired
    private RestHighLevelClient restHighLevelClient;
    // 1、解析数据放入 es 索引中
    public Boolean parseContent(String keyword) throws IOException {
   
        // 获取内容
        List<Content> contents = HtmlParseUtil.parseJD(keyword);
        // 内容放入 es 中
        BulkRequest bulkRequest = new BulkRequest();
        bulkRequest.timeout("2m"); // 可更具实际业务是指
        for (int i = 0; i < contents.size(); i++) {
   
            bulkRequest.add(
                    new IndexRequest("jd_goods"