PHP mysql Delete record (url pass value delete data)

Last Update:2017-01-13 Source: Internet

Author: User

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The code is as follows

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$host = ' localhost ';
$user _name = ' root ';
$password = ' admin ';

$conn = mysql_connect ($host, $user _name, $password);
if (! $conn)
{
Die (' Database connection failed: '. mysql_error ());
}
mysql_select_db (' Test ');

$sql = ' Select Id,name,city,created_time from users ';

$result = mysql_query ($sql) or Die ("<br/>error: <b>". Mysql_error (). " </b><br/> problem-generating sql: ". $sql);
?>
<title>13-12.php</title>
<script language= "Web Effects" >

</script>
<center>

<body>
<table width= "75%" border= "0" cellpadding= "0" cellspacing= "1" bgcolor= "#7b7b84" >
<tr bgcolor= "#8bbcc7" >
<TD height= "><div" align= "center" ><strong> User id</strong></div></td>
<td><div align= "center" ><strong> User name </strong></div></td>
<td><div align= "center" ><strong> from City </strong></div></td>
<td><div align= "Center" ><strong> Registration Time </strong></div></td>
<td><div align= "Center" ><strong> Operations </strong></div></td>
</tr>

<?php
if ($num = mysql_num_rows ($result))
{
while ($row = Mysql_fetch_array ($result, MYSQL_ASSOC))
{
?>
<tr bgcolor= "#ffffff" >
&LT;TD height= "align=" "right" ><?php echo $row [' id '];?> </td>
&LT;TD height= "> <?php" echo $row [' name '];?> </td>
&LT;TD height= "> <?php echo $row [' City '];?> </td>
&LT;TD height= "> <?php" echo $row [' created_time '];?> </td>
&LT;TD height= "> <a onclick=" javascript:if (' Determine to delete user information? ')) return true; else return false; "href=" 13-13.php?id=<?php echo $row [' id '];?> "> Delete </a> </td>
</tr>
<?php
}
}
Mysql_close ($conn);
?>

</table>
</body>
</center>

The code is as follows

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<?php
if (!isset ($_get[' id '))
{
echo ' parameter Error! ';
Exit
}

$id = $_get[' id '];
if (empty ($id))
{
The echo ' User ID cannot be empty! ';
Exit
}

$host = ' localhost ';
$user _name = ' root ';
$password = ' admin ';

$conn = mysql_connect ($host, $user _name, $password);
if (! $conn)
{
Die (' Database connection failed: '. mysql_error ());
}
mysql_select_db (' Test ');

First determine if the user of the ID exists
$sql = "SELECT * from Users where id= $id";
$result = mysql_query ($sql) or Die ("<br/>error: <b>". Mysql_error (). " </b><br/>sql: ". $sql);
if (!mysql_num_rows ($result))
{
echo ' User ID Error! ';
Exit
}

Delete user Data
$sql = "Delete from users where id= $id";
mysql_query ($sql) or Die ("<br/>error: <b>". Mysql_error (). " </b><br/>sql: ". $sql);
Mysql_close ($conn);

Echo data was deleted successfully, returning <a href= "13-12.php" >13-12.php</a> viewing data ';

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PHP mysql Delete record (url pass value delete data)

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