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package command
import (
"bytes"
"errors"
"fmt"
"os"
"os/exec"
"strings"
"syscall"
"time"
)
// ExecCommand 执行cmd命令操作
func ExecCommand ( name string , args [ ] string , timeout ... time . Duration ) ( out string , err error ) {
var (
stderr , stdout bytes . Buffer
expire = 30 * time . Minute
errs [ ] string
)
if len ( timeout ) > 0 {
expire = timeout [ 0 ]
}
cmd := exec . Command ( name , args ... )
// 需要加上这一行, 以便在windows下能够正常执行, 而不会不停弹窗
cmd . SysProcAttr = & syscall . SysProcAttr { HideWindow : true }
cmd . Stdout = & stdout
cmd . Stderr = & stderr
err = cmd . Start ( )
if err != nil {
err = fmt . Errorf ( "%s\n%s" , err . Error ( ) , stderr . String ( ) )
return
}
time . AfterFunc ( expire , func ( ) {
if cmd . Process != nil && cmd . Process . Pid != 0 {
errs = append ( errs , fmt . Sprintf ( "execute timeout: %d min." , int ( expire . Minutes ( ) ) ) )
if proc , errProc := os . FindProcess ( cmd . Process . Pid ) ; errProc == nil {
proc . Kill ( )
proc . Release ( )
}
cmd . Process . Kill ( )
}
} )
err = cmd . Wait ( )
if err != nil {
errs = append ( errs , err . Error ( ) , stderr . String ( ) )
}
out = stdout . String ( )
if len ( errs ) > 0 {
errs = append ( errs , out )
err = errors . New ( strings . Join ( errs , "\n\r" ) )
}
return
}