类比JDBC写法，相对比较偏底层

package com.lf;import com.mongodb.BasicDBObject;import com.mongodb.DB;import com.mongodb.DBCollection;import com.mongodb.DBCursor;import com.mongodb.DBObject;import com.mongodb.Mongo;import com.mongodb.WriteResult;public class MongoCRUDTest { public static void main(String[] args) { Mongo mongo = new Mongo("192.168.25.128",27017); DB db = new DB(mongo,"lf-demo"); DBCollection collection = db.getCollection("member"); //类比JDBC DBObject dbObject = new BasicDBObject(); dbObject.put("name", "lf"); dbObject.put("age", "18"); dbObject.put("addr", "anhui hefei"); WriteResult insert = collection.insert(dbObject); System.out.println(insert+"---------"); DBCursor dbCursor = collection.find(); for(Object obj : dbCursor){ System.out.println(obj); } }}

　官方快速入门demo

package com.lf;import java.util.Arrays;import org.bson.Document;import com.mongodb.client.MongoClient;import com.mongodb.client.MongoClients;import com.mongodb.client.MongoCollection;import com.mongodb.client.MongoDatabase;public class MongoTest { public static void main(String[] args) { MongoClient mongoClient = MongoClients.create("mongodb://192.168.25.128:27017"); MongoDatabase mongoDatabase = mongoClient.getDatabase("lf-demo"); MongoCollection<Document> collection = mongoDatabase.getCollection("lf-member"); Document document = new Document("name", "lf").append("age", "18") .append("address", Arrays.asList("anhui", "hefei")) .append("position", new Document("x", "125").append("y", "172")); collection.insertOne(document); }}

mongoDB框架：封装了mongoDB基本的操作

Morphia  mongoDb的第一个orm框架

mongoTemplate  spring封装的