基于WebBrowser 的爬虫程序

1. web.Navigate("");

bool loading = true;   //该变量表示网页是否正在加载.

        string html = string.Empty;

        WebBrowser browser = new WebBrowser();

        public void GetHtml(string[] urls)

        {            

            browser.Navigated += new WebBrowserNavigatedEventHandler(browser_Navigated);

            foreach (string url in urls)

            {

                loading = true;  //表示正在加载

                  browser.Navigate(url);

                while (loading)

                {

                    Application.DoEvents();//等待本次加载完毕才执行下次循环.

                }

            }

        }

        void browser_Navigated(object sender, WebBrowserNavigatedEventArgs e)

        {

            html = browser.DocumentText;  //获取到的html.

            loading = false;//在加载完成后,将该变量置为false,下一次循环随即开始执行.

        }