java 链接mongo

 
        <dependency>
            <groupId>org.mongodbgroupId>
            <artifactId>mongo-java-driverartifactId>
            <version>3.0.4version>
        dependency>

public static void main(String[] args) {
 
        MongoClientURI uri = new MongoClientURI("mongodb://root:TqucXtHD42jtdL@192.168.93.102:27017");
        MongoClient mongoClient = new MongoClient(uri);
 
        // 数据库名
        MongoDatabase database = mongoClient.getDatabase("theatre");
        //从库对象中拿到某个集合（表）
        MongoCollection collection = database.getCollection("biz_borrow_cart");
        //调用find方法，拿到表中的数据，是一个二进制格式的文档
        FindIterable find = collection.find();
 
        //将拿到的文档进行迭代器迭代，拿到迭代器对象
        MongoCursor iterator = find.iterator();
 
        //hasNext进行判断是否有下一条
        while(iterator.hasNext()) {
            Document next = iterator.next();
            System.out.println(next);
        }
        // 关闭连接
        mongoClient.close();
    }