php登录页面：
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<h1>登录界面</h1> <form action="dengluchuli.php" method="post">
用户名：<input type="text" name="uid"/>
密码：<input type="text" name="pwd"/>
<input type="submit" value="登录" />
</form> |
其中 dengluchuli.php在规定路径下。
登录跳转页面：
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<?php $yonghuming = $_POST["uid"];
$mima = $_POST["pwd"];
$db = new mysqli("localhost","root","","12345");
$sql = "select password from login where username=\'{$yonghuming}\'";
$result = $db->query($sql);
$atter = $result->fetch_row();
if($atter[0]==$mima && !empty($mima))
{
header("location:xinxi.php");
}
else
{
echo "用户名或密码错误";
}
?> |
此页面用于登录界面登录成功后通过用户名找到相应的数据。
登录主界面：
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<?php$de = new mysqli("localhost","root","","12345");
$e="select * from info";
$result = $de->query($e);
$atter = $result->fetch_all();
echo "<table border=1>";
echo "<tr>
<td>代号</td>
<td>姓名</td>
<td>性别</td>
<td>民族</td>
<td>出生日期</td>
<td>操作</td>
</tr> ";
for($i=0;$i<count($atter);$i++)
{ echo "<tr>";
for($j=0;$j<count($atter[$i]);$j++)
{
if($j==4)
{
echo "<td>".$atter[$i][$j]."</td> <td><a href=\'shanchu.php?code={$atter[$i][1]}\' onclick=\"return confirm(\'确定删除？\')\"> 删除</a></td>";
}
else
{
echo "<td>".$atter[$i][$j]."</td>";
}
}
echo "</tr>";
}echo " </table>";
echo "<a href=\'tianjia.php\'>添加数据</a>"
?> |
添加数据（tianji.php）：
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<h1>添加数据</h1> <form action="zeng.php" method="post">
代号：<input type="text" name="daihao" /> <br />
姓名：<input type="text" name="xinming" /><br />
性别：<input type="text" name="xinbie" /><br />
民族：<input type="text" name="minzu" /><br />
生日：<input type="text" name="shengri" /><br />
<input type="submit" value="提交"/>
</form>
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zeng.php ：
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<?php $code = $_POST["daihao"];
$name = $_POST["xinming"];
$sex = $_POST["xinbie"];
$nation = $_POST["minzu"];
$birthday = $_POST["shengri"];
$db = new mysqli("localhost","root","","12345");
$sql = "insert into info values(\'{$code}\',\'{$name}\',\'{$sex}\',\'{$nation}\',\'{$birthday}\')";
$r = $db->query($sql);
if($r)
{
header("location:xinxi.php");
}
else
{
echo "添加失败";
}
?> |
添加成功：
shanchu.php
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<?php $name = $_GET["code"];
$db = new mysqli("localhost","root","","12345");
$sql = "delete from info where name=\'{$name}\'";
$result = $db->query($sql);
if($result)
{
header("location:xinxi.php");
}
else
{
echo "删除失败";
}
?> |
修改数据：
在xinxi.php文件中插入代码：
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<a href=\'xiugai.php?code={$atter[$i][1]}\'>修改</a>
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相同路径下新建xiugai.php
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<?php $name = $_GET["code"];
$db = new mysqli("localhost","root","","12345");
$sql = "select * from info where name=\'{$name}\'";
$r = $db->query($sql);
$atter = $r->fetch_row();
?><h1>修改</h1> <form action="xiugaichuli.php" method="post">
<input type="hidden" name="daihao" value="<?php echo $atter[0]; ?>" /> <br />
姓名： <input type="text" name="xinming" value="<?php echo $atter[1]; ?>"/> <br />
性别： <input type="text" name="xinbie" value="<?php echo $atter[2]; ?>"/> <br />
民族： <input type="text" name="minzu" value="<?php echo $atter[3]; ?>"/> <br />
生日： <input type="text" name="shengri" value="<?php echo $atter[4]; ?>"/> <br />
<input type="submit" value="修改" />
</form>
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相同路径下新建xiugaichuli.php
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<?php $code = $_POST["daihao"];
$name = $_POST["xinming"];
$sex = $_POST["xinbie"];
$nation = $_POST["minzu"];
$birthday = $_POST["shengri"];
$db = new mysqli("localhost","root","","12345");
$sql = "update info set name=\'{$name}\',sex={$sex},nation=\'{$nation}\',birthday=\'{$birthday}\' where code=\'{$code}\'";
$r = $db->query($sql);
if($r)
{
header("location:xinxi.php");
}
else
{
echo "修改失败";
}
?> |
点击修改其中一条数据：