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Htmlagilitypach Basic Use Method

Source: Internet
Author: User
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1         //Filter HTML Tags2         Static voidInnerText ()3         {4Htmlweb Htmlweb =NewHtmlweb ();5HTMLDocument doc = Htmlweb.load ("http://www.cnblogs.com/","GET");6Htmlnode RootNode =Doc. Documentnode;7 Console.WriteLine (rootnode.innerhtml);8             //Console.WriteLine (rootnode.innertext);9         }Ten  One         //Selector Selector A         Static voidgetblogs () -         { -             stringURL ="http://www.cnblogs.com/"; theHtmlweb Htmlweb =NewHtmlweb (); -HTMLDocument doc = htmlweb.load (URL,"GET"); -             //Doc. getElementById ("AA"); -Htmlnode RootNode =Doc. Documentnode; +Htmlnodecollection h3nodes = Rootnode.selectnodes ("//div[@class = ' post_item_body ']/h3"); -             foreach(varH3nodeinchh3nodes) +             { AHtmlnode anode = H3node.selectsinglenode ("a");//filter a label node atHtmlnode pnode = h3Node.NextSibling.NextSibling;//Next Node -                 stringBloglink = Anode.getattributevalue ("href","");//Get element Properties -                 stringtitle =Anode.innertext; -                 stringContent =Pnode.innertext; - Console.WriteLine (title); - Console.WriteLine (bloglink); in Console.WriteLine (content); -Console.WriteLine ("------------------------------------------------------"); to             } +             return; -         } the  *         //an XPath expression $         Static voidxpathtest ()Panax Notoginseng         { -             stringPath =@"test.html"; theHTMLDocument doc =NewHTMLDocument (); +Htmlnode RootNode =Doc. Documentnode; A Doc. Load (path); the             //Get H1 tags +             varH1 = Rootnode.selectsinglenode ("/html/body/div[1]/h1[1]"); - Console.WriteLine (H1. InnerText); $             //Get Ul>li name tags $             varLiname = Rootnode.selectsinglenode ("/html/body/div[2]/ul[1]/li[1]"); - Console.WriteLine (liname.innertext); -             //get Ul>li Age tag the             varLiage = Rootnode.selectsinglenode ("/html/body/div[2]/ul[1]/li[2]"); - Console.WriteLine (liage.innertext);Wuyi}

The test.html code is as follows:

1 <HTML>2 <Head>3 </Head>4 <Body>5     <Div>   6         <H1>Welcome to visit this webpage!</H1>7     </Div>8 9     <Div>Ten         <ulclass= "User_match Clear"> One             <Li>Name: Zhang San</Li> A             <Li>Age: 18</Li> -         </ul> -     </Div> the </Body> - </HTML>

Htmlagilitypach Basic Use Method

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