PHP+MySQL实现在线测试答题实例

 1 $sql = "select * from quiz order by id asc"; 
 2 $query = mysql_query($sql); 
 3 while ($row = mysql_fetch_array($query)) { 
 4     $answers = explode(‘###‘, $row[‘answer‘]); 
 5     $arr[] = array( 
 6         ‘question‘ => $row[‘id‘] . ‘、‘ . $row[‘question‘], 
 7         ‘answers‘ => $answers 
 8     ); 
 9 } 
10 $json = json_encode($arr);

<div id=‘quiz-container‘></div>

1 $(function(){  
2     $(‘#quiz-container‘).jquizzy({  
3         questions: <?php echo $json;?>, //试题信息  
4         sendResultsURL: ‘data.php‘ //结果处理地址  
5     });  
6 });

 1 $data = $_REQUEST[‘an‘]; 
 2  
 3 $answers = explode(‘|‘,$data); 
 4 $an_len = count($answers)-1; //题目数 
 5  
 6 $sql = "select correct from quiz order by id asc"; 
 7  
 8 $query = mysql_query($sql); 
 9 $i = 0; 
10 $score = 0; //初始得分 
11 $q_right = 0; //答对的题数 
12 while($row=mysql_fetch_array($query)){ 
13     if($answers[$i]==$row[‘correct‘]){ 
14         $arr[‘res‘][] = 1; 
15         $q_right += 1; 
16     }else{ 
17         $arr[‘res‘][] = 0; 
18     } 
19     $i++; 
20 } 
21 $arr[‘score‘] = round(($q_right/$an_len)*100); //总得分 
22 echo json_encode($arr);

 1 CREATE TABLE IF NOT EXISTS `quiz` ( 
 2   `id` int(11) NOT NULL AUTO_INCREMENT, 
 3   `question` varchar(100) NOT NULL, 
 4   `answer` varchar(500) NOT NULL, 
 5   `correct` tinyint(2) NOT NULL, 
 6   PRIMARY KEY (`id`) 
 7 ) ENGINE=MyISAM  DEFAULT CHARSET=utf8 AUTO_INCREMENT=6 ; 
 8  
 9 -- 
10 -- 转存表中的数据 `quiz` 
11 -- 
12  
13 INSERT INTO `quiz` (`id`, `question`, `answer`, `correct`) VALUES 
14 (1, ‘罗马帝国曾一度辉煌，令人神往，故有“条条大陆通罗马”一说。那么，今天你是怎样理解这一谚语的准确含义的？‘, ‘A．入乡随俗 ###B．四通八达 ###C．殊途同归 ###D．流连忘返‘, 3), 
15 (2, ‘找出不同类的一项：‘, ‘A.斑马 ###B.军马 ###C.赛马 ###D.骏马 ###E.驸马‘, 5), 
16 (3, ‘ 蜡烛在空气中燃烧，蜡烛质量逐渐变小。这说明‘, ‘A.物质可以自生自灭###B.发生的不是化学变化###C.不遵守质量守恒定律###D.生成物为气体，散发到空气中了‘, 4), 
17 (4, ‘以下哪位歌手没有获得过《我是歌手》总冠军？‘, ‘A.羽泉###B.韩磊###C.邓紫棋###D.韩红‘, 3), 
18 (5, ‘下列哪个标签不是HTML5中的新标签？‘, ‘A.<article>###B.<canvas>###C.<section>###D.<sub>‘, 4);