Java操作MongoDB数据库方法详解

Java与mongodb的连接 1. 连单台mongodb Mongo mg = new Mongo();//默认连本机127.0.0.1 端口为27017 Mongo mg = new Mongo(ip);//可以指定ip 端口默认为27017 Mongo mg = new Mongo(ip,port);//也可以指定ip及端口 2. 连双台mongodb //ip为主机ip地址，port为端口号，dataBaseName相当于数据库名 DBAddress left = new DBAddress(ip:port/dataBaseName); DBAddress right = n