wifi命令行连接

1.执行后台程序
wpa_supplicant -Dwext -iwlan0 -c/etc/wpa_supplicant.conf -B
wpa_cli -p/var/run/wpa_supplicant remove_network 0
wpa_cli -p/var/run/wpa_supplicant ap_scan 2
wpa_cli -p/var/run/wpa_supplicant add_network
wpa_cli -p/var/run/wpa_supplicant set_network 0 ssid '"xxxx"'
wpa_cli -p/var/run/wpa_supplicant set_network 0 key_mgmt WPA-PSK
wpa_cli -p/var/run/wpa_supplicant set_network 0 psk '"88888888"'
wpa_cli -p/var/run/wpa_supplicant select_network 0

4.获取ip
udhcpc -i wlan0


5.查看连接状态
wpa_cli -p/var/run/wpa_supplicant status

6.查看扫到的ssid
wpa_cli -p/var/run/wpa_supplicant scan
wpa_cli -p/var/run/wpa_supplicant scan_results