尝试查看我的数据库时出错

Question

这是我遇到的错误：

  

致命错误：未捕获错误：在C：\ xampp \ htdocs \ SLR \ dbconnect.php中调用未定义函数mysql_connect（）：2堆栈跟踪：＃0   C：\ xampp \ htdocs \ SLR \ ViewData.php（2）：include（）＃1 {main}抛出   第2行的C：\ xampp \ htdocs \ SLR \ dbconnect.php

这是我的代码：

<?php
include("dbconnect.php");

$con = mysql_connect("localhost","root","");

if (!$con)
{
     die('Could not connect: ' . mysql_error());
}
$db=mysql_select_db("slr", $con);
$result = mysql_query("SELECT * FROM software");
echo "<table border='1'>
<tr>
<th>Software ID</th>
<th>Software Name</th>
<th>Installed Date</th>
<th>Expiry Date</th>
<th>Product Key</th>
</tr>";
while($row = mysql_fetch_array($result))
{
    echo "<tr>";
    echo "<td>" . $row['soft_id'] . "</td>";
    echo "<td>" . $row['soft_name'] . "</td>";
    echo "<td>" . $row['installed_date'] . "</td>";
    echo "<td>" . $row['expiry_date'] . "</td>";
    echo "<td>" . $row['product_key'] . "</td>";
    echo "</tr>";
}