mongodb与java的整合

mongodb的相关命令我们这里不在赘述，因为其文档下写的非常清楚，也很容易懂。这里我们说一下其余java的整合，mongodb配置请查看官方文档

1.首先我们应该导入期相关依赖，



org.mongodb

mongodb-driver

3.4.2



2.链接数据库以及部分操作，其余相差无几

    public class mongodbTest {
            public static void main(String args[]) {
                try {
                           //MongoCredential credential = MongoCredential.createCredential(user, database, password);
                           //MongoClient mongoClient = new MongoClient(new ServerAddress("host1", 27017),
                           //Arrays.asList(credential));
                           // 链接mongodb服务
                           MongoClient mongoClient = new MongoClient("localhost", 27017);

                             // 链接数据库
                           MongoDatabase mgdb = mongoClient.getDatabase("mycol");

                             //创建集合
                            //database.createCollection("NewCollection",new CreateCollectionOptions().capped(true).sizeInBytes(0x100000));

                           MongoCollection<Document> coll = database.getCollection("myTestCollection");
                           for (String name : database.listCollectionNames()) {
                                     System.out.println(name);
                            }

                           //插入文档
                             Document document = new Document("_id", 1999).append("title", "MongoDB Insert Demo")
                                     .append("description","database")
                                    .append("likes", 30)
                                    .append("by", "yiibai point")
                                    .append("url", "xxxxxxxxxxxxxxxxxxxxxxxxxxx");

                           collection.insertOne(document);

                           collection.find().forEach(printBlock);

    } catch (Exception e) {
                           System.err.println(e.getClass().getName() + ": " + e.getMessage());
    }
}
 static Block<Document> printBlock = new Block<Document>() {
    public void apply(final Document document) {
        System.out.println(document.toJson());
    }
};

}