Jacklovely

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 1 <!doctype html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>用户信息</title>
 6 </head>
 7 <body>
 8     <h1>用户信息</h1>
 9     <form action="" method = 'get'>
10         <table border="1px">
11             <tr>
12                 <td width='50px'>id</td>
13                 <td width='50px'>用户名</td>
14                 <td width='50px'>密码</td>
15             </tr>
16         <?php 
17             //连接mysql服务器
18             mysql_connect('localhost','root','123');
19             //选择数据库
20             mysql_select_db(test);
21             //设置字符集
22             mysql_query('set names utf8');
23             $length = 10;
24             //数据总条数
25             $count = mysql_fetch_array(mysql_query('SELECT COUNT(*) FROM users'))[0]; 
26             //总页码
27             $pages = ceil($count/$length);
28             //页码
29             $page = $_GET['page']?$_GET['page']:1;
30             $prepage = $page-1;
31             //超过总页码,页码就不变了
32             $nextpage =$page==$pages?$page:$page+1;
33             $offset = ($page-1)*$length;//第一页(1-1)*10+1
34             //11 //第二页(2-1)*10+1
35             //21//第三页(3-1)*10+1
36             //写sql语句,关键字最好大写,方便阅读
37             $sql = "SELECT * FROM users ORDER BY id LIMIT {$offset},{$length}";
38             //把sql发送到mysql服务器
39             $result = mysql_query($sql);
40             //
41             if (!$result) {
42                 die(mysql_error());
43             }
44             while ($row = mysql_fetch_assoc($result)) {
45                 echo "<tr><td>{$row[id]}</td><td>{$row[name]}</td><td>{$row[password]}</td></tr>";
46             }
47             echo "<a href='sql.php?page={$prepage}'>上一页</a>|<a href='sql.php?page={$nextpage}'>下一页</a>";
48             //释放resource型结果集$result所关联的内存
49             mysql_free_result($result);
50             //关闭mysql连接
51             mysql_close();
52          ?>
53         </table>
54     </form>
55 </body>
56 </html>

 

posted on 2016-11-19 16:00  Jacklovely  阅读(188)  评论(0编辑  收藏  举报