Home > Article > Backend Development > 关于php分页的问题
关于php分页的问题
- WBOYOriginal
- 2016-06-20 12:34:281071browse
为什么只有第一页能显示数据，点击下一页就是空的？
下面贴代码
回复讨论(解决方案)
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE>无标题文档</TITLE></head><BODY><table width="765" border="1" align="center"> <tr> <td height="64" align="center" colspan="7"><form id="form1" name="form1" method="post" action=""> <input type="text" name="select"> <input type="submit" name="submit" value="查询"> </form></td> </tr> <?php include("connet.php"); if($_POST['submit']==查询){ $num = 5; $rse = mysql_query("select * from cj"); $nu = mysql_num_rows($rse);//总条目数 if(!$_POST[page]){ $page = 1; }else{ $page = $_POST[page]; } $sql_i=($page - 1)*$num; $rs = mysql_query("SELECT * FROM `cj` LIMIT $sql_i,$num"); $nur = ceil($nu/$num);//总页数 ?> <tr> <td height="29" width="126" align="center" border="1" >学号</td> <td width="74" align="center">姓名</td> <td height="29" width="132" align="center" border="1">课程名称</td> <td height="29" width="82" align="center" border="1">平时成绩</td> <td height="29" width="87" align="center" border="1">期末成绩</td> <td height="29" width="122" align="center" border="1">总评成绩</td> <td height="29" width="96" align="center" border="1">学年</td> </tr> <?php while($rst = mysql_fetch_array($rs)){?> <tr> <td height="43"><?php echo $rst['xh'];?></td> <td><?php echo $rst['xm'];?></td> <td><?php echo $rst['kc'];?></td> <td><?php echo $rst['pscj'];?></td> <td><?php echo $rst['qmcj'];?></td> <td><?php echo $rst['zpcj'];?></td> <td><?php echo $rst['xn'];?></td> </tr><?php }}?> <table width="765" border="1" align="center"> <tr> <td height="64" align="center" colspan="7"><?php echo $nur ?>页共<?php echo $nu ?>条</td><td><? echo "<a href='index.php?id=1&page=1'>首页</a>"; if($page >= 2){?> <a href="index.php?id=1&page=<?php echo $page-1;?>">上一页</a><?php } if($page < $nur){?> <a href="index.php?id=1&page=<?php echo $page+1;?>">下一页</a><?php }?> <a href="index.php?id=1&page=<?php echo $nur;?>">尾页</a></td> </tr> </table> </table></BODY></html> 你传入的参数的GET，但是你接受的参数是POST
翻页 ">下一页
是用 get 方式传值的
表单提交 if($_POST['submit']==查询){
是按 post 方式传值的
这就是问题的原因，想想就明白了
a标签带的是get传值，你用的是$_POST去获得参数.......能接受到就奇怪了
a标签带的是get传值，你用的是$_POST去获得参数.......能接受到就奇怪了
谢谢啦，解决啦!
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：关于MD5密码存储和比较的问题Next article：PHP 无法获取range头信息