java操作Mongodb数据库

public static void main(String[] args) {
    MongoClientOptions option = MongoClientOptions.builder().connectTimeout(60000).build();
    MongoClient monGoClient = new MongoClient(new ServerAddress("127.0.0.1", 27017), option);
    //获取操作数据库
    MongoDatabase db = monGoClient.getDatabase("runoob");
    //获取集合。后面的操作，大部分都是基于集合操作
    MongoCollection<Document> contections = db.getCollection("col");
    
    //添加一条数据
    contections.insertOne(new Document("name", "小明" + i).append("sex", "男"));
    
    //添加多条数据
    List<Document> documents = new ArrayList<>();
    documents.add(new Document("name", "text111").append("sex", "女"));
    documents.add(new Document("name", "chaoba4565").append("sex", "男"));
    contections.insertMany(documents);
    
    //更新一条数据
    UpdateResult update1 = contections.updateOne(Filters.eq("name", "小明"), new Document("$set", new Document("name", "暮雪超霸")));
    
    //更新多条数据
    UpdateResult update = contections.updateMany(Filters.eq("name", "小明"), new Document("$set", new Document("name", "暮雪超霸")));
     
    //更新，如果key不存在。则新插入一个文档
    contections.updateOne(Filters.eq("name", "mumu"), new Document("$set", new Document("age", 20)), new UpdateOptions().upsert(true));

    //查询所有一
    FindIterable<Document> result = contections.find();
    for (Document document : result) {
        System.out.println(document);
    }
    //通过自带的迭代方法查询全部数据
    MongoCursor result1 = contections.find().iterator();
    while (result1.hasNext()) {
        System.out.println(result1.next());
    }
    
    //查询单个
    Document result3 = contections.find().first();
    System.out.println(result3);
    
    //根据条件查询
    MongoCursor result4 = contections.find().filter(Filters.eq("name", "mumu")).iterator();
    while (result4.hasNext()) {
        System.out.println(result4.next());
    }
    //多条件查询
    MongoCursor result5 = contections.find().filter(Filters.and(Filters.eq("name", "mumu"), Filters.eq("age", 20))).iterator();
    while (result5.hasNext()) {
        System.out.println(result5.next());
    }
    
    //删除
    contections.deleteOne(Filters.eq("chaoba", 1));
    
}