通过笔记本的wifi来上网，没有无线路由的情况下可以使用。
echo http://www.jmbbs.com/forum.php?mod=viewthread&tid=1289632
virtual wifi access point
1.启用并设定虚拟WiFi网卡：
运行命令：netsh wlan set hostednetwork mode=allow ssid=wuminPC key=wuminWiFi
禁用：mode = disallow
2.设置Internet连接共享：
在“网络连接”窗口中，右键单击已连接到Internet的网络连接，选择“属性”→“共享”，勾上“允许其他······连接(N)”并选择“虚拟WiFi”。
3.开启无线网络：
继续在命令提示符中运行：netsh wlan start hostednetwork
4.关闭wifi共享功能：netsh wlan stop hostednetwork
5.查看承接网络：netsh wlan show hostednetwork
use adb controll device through wifi
1.make sure device has connected to the wifi pot
2.pc and device must locat in the same gateway
3.press command "adb tcpip 5555" and "adb connect deviceIP” on your PC
after 3 steps above,you just can control your device in your pc but not need a USB cable
if adb devices result is device offline,you can press adb usb entre into usb mode.