mongodb基本使用（一）

1.启动、停止和重启mongodb服务

brew services start mongodb ---启动

brew services stop mongodb --停止

brew services restart mongodb --重启

2.mongo cli

The​​mongo​​​shell is a component of the​​MongoDB distributions​​​. Once you have​​installed and have started MongoDB​​​, connect the​​mongo​​shell to your running MongoDB instance.

Ensure that MongoDB is running before attempting to start the​​mongo​​shell.

You can run​​mongo​​​shell without any command-line options to connect to a​​MongoDB​​instance running on yourlocalhostwithdefault port27017:

mongo

To explicitly specify the port, include the​​--port​​command-line option.

mongo --port 28015

To explicitly specify the hostname and/or port,

You can specify a​​connection string​​. For example, to connect to a MongoDB instance running on a remote host machine:

mongo mongodb://mongodb0.example.com:28015

You can use the command-line option​​--host<host>:<port>​​. For example, to connect to a MongoDB instance running on a remote host machine:

mongo --host mongodb0.example.com:28015

You can use the​​--host<host>​​​and​​--port<port>​​command-line options. For example, to connect to a MongoDB instance running on a remote host machine:

mongo --host mongodb0.example.com --port 28015