本文整理匯總了Golang中github.com/cheggaaa/pb.ProgressBar.Update方法的典型用法代碼示例。如果您正苦於以下問題：Golang ProgressBar.Update方法的具體用法？Golang ProgressBar.Update怎麽用？Golang ProgressBar.Update使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/cheggaaa/pb.ProgressBar的用法示例。
在下文中一共展示了ProgressBar.Update方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: actionRunner
// actionRunner handles running an action which may take a while to complete
// providing progress bars and signal handling.
func actionRunner(cmd *cli.Cmd, action action) func() {
cmd.Spec = "[--silent] [--no-progress] " + cmd.Spec
silent := cmd.BoolOpt("silent", false, "Set to true to disable all non-error output")
noProgress := cmd.BoolOpt("no-progress", false, "Set to true to disable the progress bar")
return func() {
var infoWriter io.Writer = os.Stderr
var ticker <-chan time.Time
if err := action.init(); err != nil {
fail("Initialization failed: %v", err)
}
done, err := action.start(infoWriter)
if err != nil {
fail("Startup failed: %v", err)
}
var bar *pb.ProgressBar
if !*silent && !*noProgress {
ticker = time.Tick(statsFrequency)
bar = action.newProgressBar()
if bar != nil {
bar.Output = os.Stderr
bar.ShowSpeed = true
bar.ManualUpdate = true
bar.SetMaxWidth(78)
bar.Start()
bar.Update()
}
}
if *silent {
infoWriter = ioutil.Discard
}
sigchan := make(chan os.Signal, 1)
signal.Notify(sigchan, syscall.SIGTERM, syscall.SIGKILL, syscall.SIGINT)
LOOP:
for {
select {
case <-ticker:
action.updateProgress(bar)
bar.Update()
case <-sigchan:
bar.Finish()
fmt.Fprintf(os.Stderr, "\nAborting..")
action.abort()
<-done
fmt.Fprintf(os.Stderr, "Aborted.\n")
break LOOP
case err := <-done:
if err != nil {
fail("Processing failed: %v", err)
}
break LOOP
}
}
if bar != nil {
bar.Finish()
}
if !*silent {
action.printFinalStats(infoWriter)
}
}
}