怎么得到 PING 反回的的值

<br />文件 1.txt 内容是PING内容<br />Pinging www.qq.com [14.17.32.211] with 32 bytes of data:<br />Reply from 14.17.32.211: bytes=32 time=20ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=12ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=13ms TTL=53<br />Reply from 14.17.32.211: bytes=32 time=12ms TTL=53<br />Ping statistics for 14.17.32.211:<br />    Packets: Sent = 10, Received = 10, Lost = 0 (0% loss),<br />Approximate round trip times in milli-seconds:<br />    Minimum = 12ms, Maximum = 20ms, Average = 13ms<br />