数据库添加、修改、删除基础操作代码(1/4)
数据库添加、修改、删除基础操作代码 这是一款比较适合php初学者学的教程哦，我们利用一个简单的实例来对数据库添加、修改、删除哦，这样更系统的让各位知道php mysql数据库操作的要点。数据库教程添加、修改、删除基础操作代码
这是一款比较适合php教程初学者学的教程哦，我们利用一个简单的实例来对数据库添加、修改、删除哦，这样更系统的让各位知道php mysql教程数据库操作的要点。
*/
require_once('common.php');
$action = $_get['action'];
?>
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="http://www.111cn.net/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>人才列表</title>
<link href="style.css教程" type="text/css" rel="stylesheet" />
</head>
<body>
<div id="wrap">
<div id="main">
<?php
if($action=='add'){
?>
<form action="?action=save" method="post" name="form1">
<table width="300" border="0" cellspacing="0" cellpadding="0" class="post">
<tr>
<td colspan="2">添加人员</td></tr>
<tr><td width="78">登陆账号</td>
<td width="220"><input name="login" type="text" id="login" /></td>
</tr>
<tr>
<td>登陆密码</td>
<td><input name="pws" type="text" id="pws" /></td>
</tr>
<tr>
<td>问题</td>
<td><input name="question" type="text" id="question" /></td>
</tr>
<tr>
<td>答案</td>
<td><input name="answer" type="text" id="answer" /></td>
</tr>
<tr>
<td colspan="2"><input name="button" type="submit" id="button" value=" 添加 " /></td>
</tr>
</table>
</form>
<?php
}
elseif($action=='save'){
$login = isset($_post['login']) ? $_post['login'] : '';
$pws = isset($_post['pws']) ? $_post['pws'] : '';
$question = isset($_post['question']) ? $_post['question'] : '';
$answer = isset($_post['answer']) ? $_post['answer'] : '';
$sql = "insert into person (login,pws,question,answer)
values('$login','$pws','$question','$answer')";
$db->query($sql);
forward('发布成功','href','personlist.php');
}elseif($action=='del'){
$person_id=$_get['person_id'];
$page=$_get['page'];
$sql="delete from person where person_id='$person_id'";
$db->query($sql);
forward('删除成功','href','personlist.php?page='.$page);
}
elseif($action=='editsave'){
$person_id = isset($_post['person_id']) ? $_post['person_id'] : '';
$page = isset($_post['page']) ? $_post['page'] : '';
$login = isset($_post['login']) ? $_post['login'] : '';
$pws = isset($_post['pws']) ? $_post['pws'] : '';
$question = isset($_post['question']) ? $_post['question'] : '';
$answer = isset($_post['answer']) ? $_post['answer'] : '';
$sql="update person set login='$login',pws='$pws',question='$question',answer='$answer' where person_id='$person_id'";
$db->query($sql);
forward('修改成功','href','personlist.php?page='.$page);
}
elseif($action=='edit'){
$person_id=$_get['person_id'];
$page=$_get['page'];
$sql="select * from person where person_id='$person_id'";
$query = $db->query($sql);
$row = $db->fetch_array($query);
$login=$row['login'];
$pws=$row['pws'];
$question=$row['question'];
$answer=$row['answer'];
?>
<form action="?action=editsave" method="post" name="form1">
<table width="300" border="0" cellspacing="0" cellpadding="0" class="post">
<tr>
<input name="page" type="hidden" value="<?php echo $page?>"/>
<input name="person_id" type="hidden" value="<?php echo $person_id?>"/>
<td colspan="2">修改人员</td></tr>
<tr><td width="78">登陆账号</td>
<td width="220"><input name="login" type="text" id="login" value="<?php echo $login?>"/></td>
</tr>
<tr>
<td>登陆密码</td>
<td><input name="pws" type="text" id="pws" value="<?php echo $pws?>"/></td>
</tr>
<tr>
<td>问题</td>
<td><input name="question" type="text" id="question" value="<?php echo $question?>"/></td>
</tr>
<tr>
<td>答案</td>
<td><input name="answer" type="text" id="answer" value="<?php echo $answer?>"/></td>
</tr>
<tr>
<td colspan="2"><input name="button" type="submit" id="button" value=" 修改 " /></td>
</tr>
</table>
</form>
<?php
}
else{
$page = isset($_get['page']) ?intval($_get['page']) : 1;
$num = 5;
$sql="select * from person";
$query = $db->query($sql);
$totalnum = $db->num_rows($query);//记录总数
$pagenum = ceil($totalnum/$num); //总页数
$offset = ($page-1) * $num;
$sql=$sql." limit $offset,$num ";
$query = $db->query($sql);//取得记录
?>
<table width="639" border="0" cellspacing="0" cellpadding="0" class="post">
<tr>
<td colspan="6">记录总数：<?php echo $totalnum;?>————<a href="personlist.php?action=add">添加人员</a></td></tr>
<tr><td width="126">登陆账号</td>
<td width="98">登陆密码</td>
<td width="115">问题</td>
<td width="66">答案</td>
<td width="138">加入时间</td>
<td width="94">操作</td>
</tr>
<?php
while ($row = $db->fetch_array($query)) {
?>
<tr>
<td><?php echo $row['login'];?></td>
<td><?php echo $row['pws'];?></td>
<td><?php echo $row['question'];?></td>
<td><?php echo $row['answer'];?></td>
<td><?php echo $row['addtime'];?></td>
<td><a href="?action=del&person_id=<?php echo $row['person_id'] ?>&page=<?php echo $page ?>">删除</a>/
<a href="?action=edit&person_id=<?php echo $row['person_id'] ?>&page=<?php echo $page ?>">修改</a></td>
</tr>
<?php
}
?>
</table>
</div>
<div id="pages_btns">
<div class="pages"><?php showpage($page, $num, $pagenum, $totalnum)?></div>
</div>
<?php
}
?>
</div>
</body>
</html>
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