小编Dau*_*ess的帖子

使用java提交html表单

我正在尝试为校园网络创建一个登录应用程序.我已经走得很远,但现在我被卡住了.

我正处于java返回一个页面,其中包含一个应该自动提交的简单表单:

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">   
<body onload="document.forms[0].submit()">       
<noscript>     
    <p>      
        <strong>Note:</strong> Since your browser does not support JavaScript,                you must press the Continue button once to proceed.            
    </p>        
</noscript>                

<form action="url" method="post">
    <div> 
        <input type="hidden" name="RelayState" value="ss:mem:43141e4108638211a81427d145c7e9de"/>        

        <input type="hidden" name="SAMLResponse" value="base64string"/>         
    </div>    
    <noscript>          
        <div>    
            <input type="submit" value="Continue"/>      
        </div>     
    </noscript>     
</form>     
</body></html>

Run Code Online (Sandbox Code Playgroud)

当我将此字符串复制到.html文件并单击提交时,它会让我记录下来.现在我正在尝试在java中执行此操作,因此我提取RelayState和SAMLResponse并使用以下代码提交:

HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();

String params = "RelayState="+relayState+"&SAMLResponse="+saml;
System.out.println(params.length());

urlConnection.setRequestMethod("POST");
urlConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
urlConnection.setRequestProperty("Content-Length", Integer.toString(params.getBytes().length));
urlConnection.setRequestProperty("User-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:10.0.2) Gecko/20100101 Firefox/10.0.2");


urlConnection.setDoInput(true);
urlConnection.setDoOutput(true);

DataOutputStream …

Run Code Online (Sandbox Code Playgroud)

php java forms

Dau*_*ess

lucky-day

5
推荐指数

1
解决办法

997
查看次数