score.php

《PHP和MySQL Web开发》(第三版) Source

<?php
  //create short variable names
  $q1 = $_POST['q1'];
  $q2 = $_POST['q2'];
  $q3 = $_POST['q3'];
  $name = $_POST['name'];
  
  // check that all the data was received
  if($q1==''||$q2==''||$q3==''||$name=='')
  {
    echo '<h1><p align = "center"><img src="rosette.gif" alt="">
                                Sorry:
                                <img src="rosette.gif" alt=""></p></h1>';
    echo '<p>You need to fill in your name and answer all questions</p>';
  }
  else
  {
    //add up the scores
    $score = 0; 
    if($q1 == 1) // the correct answer for q1 is 1
      $score++;
    if($q2 == 1) // the correct answer for q2 is 1
      $score++;
    if($q3 == 1) // the correct answer for q3 is 1
      $score++;

    //convert score to a percentage
    $score = $score / 3 * 100;
          
    if($score < 50)
    {
      // this person failed
      echo '<h1 align="center"><img src="rosette.gif" alt="" />
                                  Sorry:
                                  <img src="rosette.gif" alt="" /></h1>';
      echo '<p>You need to score at least 50% to pass the exam</p>';
    } 
    else
    {
      // create a string containing the score to one decimal place
      $score = number_format($score, 1);

      echo '<h1 align="center"><img src="rosette.gif" alt="" />
                                  Congratulations
                                  <img src="rosette.gif" alt="" /></h1>';
      echo "<p>Well done $name, with a score of $score%, 
               you have passed the exam.</p>";

      // provide links to scripts that generate the certificates
      echo '<p>Please click here to download your certificate as 
               a Microsoft Word (RTF) file.</p>';
      echo '<form action="rtf.php" method="post">';
      echo '<center>
              <input type="image" src="certificate.gif" border="0">
            </center>';
      echo '<input type="hidden" name="score" value="'.$score.'">';
      echo '<input type="hidden" name="name" value="'.$name.'">';
      echo '</form>';

      echo '<p>Please click here to download your certificate as 
               a Portable Document Format (PDF) file.</p>';
      echo '<form action="pdf.php" method="post">';
      echo '<center>
              <input type="image" src="certificate.gif" border="0">
            </center>';
      echo '<input type="hidden" name="score" value="'.$score.'">';
      echo '<input type="hidden" name="name" value="'.$name.'">';
      echo '</form>';

      echo '<p>Please click here to download your certificate as 
               a Portable Document Format (PDF) file generated with PDFLib.</p>';
      echo '<form action="pdflib.php" method="post">';
      echo '<center>
              <input type="image" src="certificate.gif" border="0">
            </center>';
      echo '<input type="hidden" name="score" value="'.$score.'">';
      echo '<input type="hidden" name="name" value="'.$name.'">';
      echo '</form>';
     }
  }
?>