用Java管理MongoDB Embedded文档

<dependency>
    <groupId>org.mongodb</groupId>
    <artifactId>mongo-java-driver</artifactId>
    <version>3.12.10</version>
</dependency>

import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;
import org.bson.Document;

public class EmbeddedDocumentExample {
    public static void main(String[] args) {
        // 连接到MongoDB数据库
        MongoClient mongoClient = new MongoClient("localhost", 27017);
        MongoDatabase database = mongoClient.getDatabase("mydb");

        // 获取集合
        MongoCollection<Document> collection = database.getCollection("orders");

        // 创建嵌入式文档
        Document product1 = new Document("name", "Product 1")
                .append("price", 10.99);
        Document product2 = new Document("name", "Product 2")
                .append("price", 19.99);

        // 创建订单文档并插入嵌入式文档
        Document order = new Document("customer", "John Doe")
                .append("products", Arrays.asList(product1, product2));
        collection.insertOne(order);

        // 查询订单文档
        Document query = new Document("customer", "John Doe");
        Document result = collection.find(query).first();
        System.out.println(result);
    }
}