How to quickly query the local IP address?

The IP address is the identity of each computer. We use it a lot of times, but we don't usually remember it. So it's important to know how to quickly query the IP of the machine. It is very convenient to query the IP address at the command prompt. A command can be easily handled. The following is a brief introduction to the specific steps.
1. Start - Run, then type cmdd to open a command prompt.

2. Enter ipconfig/all at the command prompt and press Enter.

3. If you use a wireless connection, find ipv4 under the wireless network connection, the latter 192.168.x.xx is that we need the local IP address.