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http 응답 내용의 특정 값 C#

2016-08-05 7 views
0

http 응답 내용에서 특정 값을 추출하려면 어떻게해야합니까? getAsync 요청을 보내고있는 페이지가 응답을 돌려 준다고 가정하고 그 응답에서 passwird의 값을 추출해야한다고 가정 해 봅시다. 이 getAsync 메서드 내에서 웹 사이트의 비밀번호 값을 얻으려면 어떻게해야합니까? 내가 돌아올http 응답 내용의 특정 값 C#

async static void DownloadPage(string url) 
    { 
     CookieContainer cookies = new CookieContainer(); 
     HttpClientHandler handler = new HttpClientHandler(); 
     handler.CookieContainer = cookies; 

     using (HttpClient client = new HttpClient(handler)) 
     { 
      using (HttpResponseMessage response = client.GetAsync("https://www.kijiji.ca/t-login.html").Result) 
      { 

       HttpHeaders headers = response.Headers; 
       HttpContent content = response.Content; 
       string myContent = await content.ReadAsStringAsync(); 



      } 

     }

이 응답은 다음과 같습니다 :

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</html>

출처

2016-08-05 Puzzle

+0

응답이 무엇에서 사용할 수 HtmlAgilityPack을 사용해야합니다이를 위해

? 코드가 실행 된 후 myContent에 무엇이 있습니까? – mariocatch

+0

응답은 어떻게 생겼습니까? 응답의 모든 내용은 무엇입니까? 그 JSON 또는 XML 무엇입니까? –

+0

사이에있는 모든 것 입니다. – Puzzle

답변

0

업데이트 :

특정 요소의 값을 검색하려면, 검색 한 페이지의 내용을 구문 분석해야합니다. HTML을 파싱 할 수있는 많은 패키지가 있으므로 HTML 민첩성과 같은 수동 조작은 필요하지 않습니다. http://www.nuget.org/packages/HtmlAgilityPack

수동으로 수행하려는 경우 다음을 시작하십시오.

당신이 웹 사이트에 GET 요청을 전송하여 비밀번호 입력의 값을 검색하라는 것 같은 
static void DownloadPage() 
{ 
    CookieContainer cookies = new CookieContainer(); 
    HttpClientHandler handler = new HttpClientHandler(); 
    handler.CookieContainer = cookies; 

    using (HttpClient client = new HttpClient(handler)) 
    { 
     using (HttpResponseMessage response = client.GetAsync("https://www.kijiji.ca/t-login.html").Result) 
     { 
      HttpHeaders headers = response.Headers; 
      HttpContent content = response.Content; 
      string myContent = content.ReadAsStringAsync().Result; 

      // Find value of ASOtherLang. 
      // It's in this pattern: 
      // <input type="hidden" id="ASOtherLang" value="fr_CA"/> 
      Regex regex = new Regex("id=\"ASOtherLang\" value=\"(.*)\""); 
      var otherLang = regex.Match(myContent).Groups[1]; 
      Console.WriteLine(otherLang); 
     } 
    } 
}

는 소리가 난다. 이 작업을 수행 할 수 없습니다 (해당 입력에 기본값이없는 경우).

당신이 다시 GET 요청에서받은 입력은 다음과 같습니다

<input id="login-password" name="password" req="req" type="password" value="" maxlength="64"/>

당신에게로 로그인 암호를 얻을 것이라고이 함께 할 수있는 아무것도.

출처

2016-08-05 02:54:31 mariocatch

+0

나는 그것을 이해하지만, 나는 이것을 예제로 들었다. 내가 얻을 수있는 많은 다른 것들이 있습니다. 예를 들어 응답의 일부인 "fr_CA"값을 원한다고 가정 해 보겠습니다. 그것을 어떻게 얻을 수 있습니까? @mariocatch – Puzzle

+0

@ 수수께끼 잘하면 당신을 시작해야 스 니펫을 추가했습니다. – mariocatch

+0

htmlAgilityPack으로 알게되었습니다. 고맙습니다. @mariocatch – Puzzle

0

이 시도 : 당신 passwordBoxHtml에서 <input id="login-password" name="password" req="req" type="password" value="" maxlength="64">로 출력을 제공

HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument(); 
doc.LoadHtml(myContent); 
var r = doc.DocumentNode.Descendants(); 
var htmlTextBox = doc.DocumentNode.Descendants().FirstOrDefault(x => x.Name=="input" && x.Id=="login-password"); 
if (htmlTextBox != null) 
{ 
    var passwordBoxHtml = htmlTextBox.OuterHtml; 
}

합니다. 당신이 nuget

출처

2016-08-05 03:32:06

+0

도와 주셔서 감사합니다. 하지만 난 이미 답변을 찾았습니다 :) – Puzzle

+0

다행, 그것을 듣고, 고마워 –

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