1 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
2 var browser = await Puppeteer.LaunchAsync(new LaunchOptions
3             {
4                 Headless = true
5             });
6 var page = await browser.NewPageAsync();
7 await page.GoToAsync("https://www.baidu.com");
8 var html = await page.GetContentAsync();

 1   await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
 2   browser = await Puppeteer.LaunchAsync(new LaunchOptions
 3   {
 4                  Headless = true
 5   });
 6   var page = await browser.NewPageAsync();  //打开一个新标签
 7   await page.GoToAsync("https://www.baidu.com"); //访问页面
 8  
 9   
10  //设置截图选项
11  ScreenshotOptions screenshotOptions = new ScreenshotOptions();
12  //screenshotOptions.Clip = new PuppeteerSharp.Media.Clip() { Height = 0, Width = 0, X = 0, Y = 0 };//设置截剪区域
13  screenshotOptions.FullPage = true; //是否截取整个页面
14  screenshotOptions.OmitBackground = false;//是否使用透明背景，而不是默认白色背景
15  screenshotOptions.Quality = 100; //截图质量 0-100（png不可用）
16  screenshotOptions.Type = ScreenshotType.Jpeg; //截图格式
17 
18  await page.ScreenshotAsync("D:\\a.jpg",screenshotOptions);

 1 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
 2  browser = await Puppeteer.LaunchAsync(new LaunchOptions
 3  {
 4                   Headless = true
 5  });
 6 var page = await browser.NewPageAsync();  //打开一个新标签
 7 await page.GoToAsync("https://www.baidu.com"); //访问页面
 8 
 9 //设置PDF选项
10 PdfOptions pdfOptions = new PdfOptions();
11 pdfOptions.DisplayHeaderFooter = false; //是否显示页眉页脚
12 pdfOptions.FooterTemplate = "";   //页脚文本
13 pdfOptions.Format = new PuppeteerSharp.Media.PaperFormat(8.27m,11.69m);  //pdf纸张格式 英寸为单位 
14 pdfOptions.HeaderTemplate = "";   //页眉文本
15 pdfOptions.Landscape = false;     //纸张方向 false-垂直 true-水平 
16 pdfOptions.MarginOptions = new PuppeteerSharp.Media.MarginOptions() { Bottom = "0px", Left = "0px", Right = "0px", Top = "0px" }; //纸张边距，需要设置带单位的值，默认值是None
17 pdfOptions.Scale = 1m;            //PDF缩放，从0-1
18 await page.PdfAsync(path, pdfOptions);

1 await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);

 1 LaunchOptions options = new LaunchOptions();
 2 options.Headless = true;
 3 options.DefaultViewport = null;
 4 //忽略证书错误
 5 options.IgnoreHTTPSErrors = true;
 6 
 7 //chromePath就是下载的Chromium浏览器解压的位置
11 options.ExecutablePath = chromePath;
12 
13 browser = await Puppeteer.LaunchAsync(options);