java连接mongodb

导入依赖

<dependency>	
	<groupId>org.mongodb</groupId>
	<artifactId>mongo-java-driver</artifactId>
	<version>3.12.8</version>
</dependency>

连接代码

//要连接的ip,端口
MongoClient mongoClient = new MongoClient("127.0.0.1", 27017);
//要连接的库
MongoDatabase mgdb = mongoClient.getDatabase("mytest");
//要连接的集合
MongoCollection<Document> mylist = mgdb.getCollection("mylist");
Map<String,Object> params = new HashMap<>();
params.put("name","aaaa");
//通过map构建Document对象
Document document = new Document(params);
//存入数据
mylist.insertOne(document);