380333722

只能查到全部流量，没找到如何查某个接口的。执行的第一次显示不准，后面每秒执行1次的数据是准确的。

@echo off
setlocal enabledelayedexpansion
set Received=0
set Sent=0
oop
for /f "tokens=1,2" %%a in ('wmic path Win32_PerfRawData_Tcpip_TCPv4 get SegmentsReceivedPersec^,SegmentsSentPersec^|findstr "[0-9]"') do (
  set /a ReceivedPerSecond=%%a-!Received!
  set /a SentPerSecond=%%b-!Sent!
  set Received=%%a
  set Sent=%%b
  )
echo 接收：%ReceivedPerSecond% KB/s
echo 发送：%SentPerSecond% KB/s
timeout 1 >nul
goto Loop