PHP+MySQL實現(xiàn)在線測試答題實例

$sql = "select * from quiz order by id asc"; 
$query = mysql_query($sql); 
while ($row = mysql_fetch_array($query)) { 
 $answers = explode('###', $row['answer']); 
 $arr[] = array( 
   'question' => $row['id'] . '、' . $row['question'], 
   'answers' => $answers 
 ); 
} 
$json = json_encode($arr);

$(function(){ 
  $('#quiz-container').jquizzy({ 
    questions: ?php echo $json;?>, //試題信息 
    sendResultsURL: 'data.php' //結果處理地址 
  }); 
});

$data = $_REQUEST['an']; 

$answers = explode('|',$data); 
$an_len = count($answers)-1; //題目數(shù) 

$sql = "select correct from quiz order by id asc"; 

$query = mysql_query($sql); 
$i = 0; 
$score = 0; //初始得分 
$q_right = 0; //答對的題數(shù) 
while($row=mysql_fetch_array($query)){ 
  if($answers[$i]==$row['correct']){ 
    $arr['res'][] = 1; 
    $q_right += 1; 
  }else{ 
    $arr['res'][] = 0; 
  } 
  $i++; 
} 
$arr['score'] = round(($q_right/$an_len)*100); //總得分 
echo json_encode($arr);

CREATE TABLE IF NOT EXISTS `quiz` ( 
 `id` int(11) NOT NULL AUTO_INCREMENT, 
 `question` varchar(100) NOT NULL, 
 `answer` varchar(500) NOT NULL, 
 `correct` tinyint(2) NOT NULL, 
 PRIMARY KEY (`id`) 
) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=6 ; 
 
-- 
-- 轉(zhuǎn)存表中的數(shù)據(jù) `quiz` 
-- 
 
INSERT INTO `quiz` (`id`, `question`, `answer`, `correct`) VALUES 
(1, '羅馬帝國曾一度輝煌，令人神往，故有“條條大陸通羅馬”一說。那么，今天你是怎樣理解這一諺語的準確含義的？', 'A．入鄉(xiāng)隨俗 ###B．四通八達 ###C．殊途同歸 ###D．流連忘返', 3), 
(2, '找出不同類的一項：', 'A.斑馬 ###B.軍馬 ###C.賽馬 ###D.駿馬 ###E.駙馬', 5), 
(3, ' 蠟燭在空氣中燃燒，蠟燭質(zhì)量逐漸變小。這說明', 'A.物質(zhì)可以自生自滅###B.發(fā)生的不是化學變化###C.不遵守質(zhì)量守恒定律###D.生成物為氣體，散發(fā)到空氣中了', 4), 
(4, '以下哪位歌手沒有獲得過《我是歌手》總冠軍？', 'A.羽泉###B.韓磊###C.鄧紫棋###D.韓紅', 3), 
(5, '下列哪個標簽不是HTML5中的新標簽？', 'A.article>###B.canvas>###C.section>###D.sub>', 4);