172.0.0.1
String[] splitAddress=qip.split("\.");//--172001
String ip=splitAddress[0]+"."+splitAddress[1]+"."+splitAddress[2]+".";//截取ip 结果 -- 172.0.
172.0.0.1
String[] splitAddress=qip.split("\.");//--172001
String ip=splitAddress[0]+"."+splitAddress[1]+"."+splitAddress[2]+".";//截取ip 结果 -- 172.0.