golang-使用chromedp获取页面请求日志network

package mainimport (    "context"    "io/ioutil"    "log"    "os"    "strings"    "time"    "github.com/chromedp/cdproto/network"    "github.com/chromedp/chromedp")func main() {    dir, err := ioutil.TempDir("", "chromedp-example")    if err != nil {        panic(err)    }    defer os.RemoveAll(dir)    opts := append(chromedp.DefaultExecAllocatorOptions[:],        chromedp.DisableGPU,        chromedp.NoDefaultBrowserCheck,        chromedp.Flag("headless", false),        chromedp.Flag("ignore-certificate-errors", true),        chromedp.Flag("window-size", "50,400"),        chromedp.UserDataDir(dir),    )    allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)    defer cancel()    // also set up a custom logger    taskCtx, cancel := chromedp.NewContext(allocCtx, chromedp.WithLogf(log.Printf))    defer cancel()    // create a timeout    taskCtx, cancel = context.WithTimeout(taskCtx, 10*time.Second)    defer cancel()    // ensure that the browser process is started    if err := chromedp.Run(taskCtx); err != nil {        panic(err)    }    // listen network event    listenForNetworkEvent(taskCtx)    chromedp.Run(taskCtx,        network.Enable(),        chromedp.Navigate(`https://www.iqiyi.com/v_19rsbimvyo.html`),        chromedp.WaitVisible(`body`, chromedp.BySearch),    )}//监听func listenForNetworkEvent(ctx context.Context) {    chromedp.ListenTarget(ctx, func(ev interface{}) {        switch ev := ev.(type) {        case *network.EventResponseReceived:            resp := ev.Response            if len(resp.Headers) != 0 {                // log.Printf("received headers: %s", resp.Headers)                if strings.Index(resp.URL, ".ts") != -1 {                    log.Printf("received headers: %s", resp.URL)                }            }        }        // other needed network Event    })}