[TOC] ## 概述 ``` package main import ( "context" "log" "os" "github.com/chromedp/chromedp" "github.com/chromedp/chromedp/device" ) func main() { // create context ctx, cancel := chromedp.NewContext(context.Background()) defer cancel() // run var b1, b2 []byte if err := chromedp.Run(ctx, // emulate iPhone 7 landscape chromedp.Emulate(device.IPhone7landscape), chromedp.Navigate(`https://www.whatsmyua.info/`), chromedp.CaptureScreenshot(&b1), // reset chromedp.Emulate(device.Reset), // set really large viewport chromedp.EmulateViewport(1920, 2000), chromedp.Navigate(`https://www.whatsmyua.info/?a`), chromedp.CaptureScreenshot(&b2), ); err != nil { log.Fatal(err) } if err := os.WriteFile("screenshot1.png", b1, 0o644); err != nil { log.Fatal(err) } if err := os.WriteFile("screenshot2.png", b2, 0o644); err != nil { log.Fatal(err) } log.Printf("wrote screenshot1.png and screenshot2.png") } ```