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连接MongoDB,认证登陆MongoDB.–php

例子:

以认证模式启动本地MongoDB,限定只能本地登陆,需要认证:

mongod -dbpath d:mongodb1.8.2db --bind_ip localhost --auth

默认连接到本地服务器的默认端口:

mongodb://localhost

以用户名’fred’和密码’foobar’连接并登录到admin数据库:

mongodb://fred:foobar@localhost

以用户名’fred’和密码’foobar’连接并登录到baz数据库:

mongodb://fred:foobar@localhost/baz

Connect to a replica pair, with one server on example1.com and another server on example2.com:

mongodb://example1.com:27017,example2.com:27017

Connect to a replica set with three servers running on localhost (on ports 27017, 27018, and 27019):

mongodb://localhost,localhost:27018,localhost:27019

Connect to a replica set with three servers, sending all writes to the primary and distributing reads to the secondaries:

mongodb://host1,host2,host3/?slaveOk=true

Connect to localhost with safe mode on:

mongodb://localhost/?safe=true

Connect to a replica set with safe mode on, waiting for replication to succeed on at least two machines, with a two second timeout:

mongodb://host1,host2,host3/?safe=true;w=2;wtimeoutMS=2000
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