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Thread: HTML Post

  1. #1
    zoukai957 is offline Member
    Join Date
    Jan 2011
    Rep Power

    Default HTML Post

    Hi I'm trying to make a program that will fill out a form (involving scroll downs) and click submit. For some reason I keep on getting an IO (file not found error). I think it might be because I'm writing the POST script wrong or I didn't add the click submit button to the script (If that is the issue, the submit button does not have a name field... How can I tell my script to click submit if it has no name field) Can someone please help me? Sorry if this is the wrong section to post this >.<

    Java Code:
    public class Code {
    	public static void main(String[] args) throws IOException {
    		//Creates the URL where you enter the class
    		try {
    			URL webreg = new URL("");
    		} catch (MalformedURLException e) { //error if the above URL is not accessible
    			// TODO Auto-generated catch block
    			System.out.println("This program cannot access the class list website. Sucks to be you xP");
    		//Writes the class you want to submit
    		String content ="p_subj_cd=" + URLEncoder.encode("750", "UTF-8") + "&" + "p_course_no=" + URLEncoder.encode("204", "UTF-8")
    			+ "&" + "p_campus=" + URLEncoder.encode("NB", "UTF-8") + "&" + "p_yearterm=" + URLEncoder.encode("20111", "UTF-8");
    		//Tells the program that we are writing to the code given to us from the URL, webreg
    		HttpURLConnection webregConnection =null;
    		DataOutputStream output = null; //temporary for now
    		try {
    			webregConnection = (HttpURLConnection) (new URL("").openConnection());
    			//Specifies that we are gonna input something into this connection
    			//Specifies that we are gonna use this connection for an output
    			/*possible error below for wrong content type
    			sets the content type of the website */
    			webregConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    			//States the PHP command Post
    			//gets the output after submitting the class
    			output = new DataOutputStream(webregConnection.getOutputStream());
    		} catch (MalformedURLException e) { //error if internet connection is lost
    			System.out.println("Sounds to me like you lost the internet while the program was running... TOO BAD T_T");
    		} catch (IOException e) { //I/O error
    			System.out.println("Looks like Joe doesn't know how to program because you just ran into an I/O exception");
    		//Prints the output
            BufferedReader bufferedReader = null;
                // Prepare a reader to read the response from the URLConnection
                // throws IOException
                bufferedReader = new BufferedReader(new InputStreamReader(webregConnection.getInputStream()));
                String responeLine;
                // Read untill there is nothing left in the stream
                // throws IOException
                while ((responeLine = bufferedReader.readLine()) != null)
            catch(IOException ioException)
                System.out.println("Problems while reading the response");
                // throw the exception so that the caller is aware that
                // there was some problems
                throw ioException;
                // Good practice: clean up the connections and streams
                // to free up any resources if possible
                if (bufferedReader != null)
                        // throws IOException
                    catch(Throwable ignore)
                        // Cannot do much with exceptions doing clean up
                        // Ignoring all exceptions

  2. #2
    kevinpeter Guest


    Here's a simple form that includes labels, radio buttons, and push buttons (reset the form or submit it):

    <FORM action="" method="post">
    <LABEL for="firstname">First name: </LABEL>
    <INPUT type="text" id="firstname"><BR>
    <LABEL for="lastname">Last name: </LABEL>
    <INPUT type="text" id="lastname"><BR>
    <LABEL for="email">email: </LABEL>
    <INPUT type="text" id="email"><BR>
    <INPUT type="radio" name="sex" value="Male"> Male<BR>
    <INPUT type="radio" name="sex" value="Female"> Female<BR>
    <INPUT type="submit" value="Send"> <INPUT type="reset">

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