Question

朋友我是初学者创建数据库我正在使用xampp来创建数据库我在xampp中添加了我的数据与mysql，但我不知道用php连接我的mysql（用于网页）

<html>
<body>
<marquee behavior="alternate">welcome</marquee>
</body>
</html>
<?php 
$username = "root";
$password = "root123";
$hostname = "localhost"; 
$dbhandle = mysql_connect($hostname, $username, $password) 
or die("Unable to connect to MySQL");
echo "Connected to MySQL<br>";
?>
<?php
$selected = mysql_select_db("missensencemuttation",$dbhandle) 
or die("Could not select missensencemuttation");
?>
<?php
$result = mysql_query("SELECT * FROM `primary_data` LIMIT 0, 30");
($row=mysql_fetch_array($result)); 
{
echo "disease_name:".$row{'disease_name'}." gene_name:".$row{'gene_name'};
}
?>enter code here
<?php
mysql_close($dbhandle);
?>

这就是我用PHP连接我的数据库

但在结果中我只能看到我桌子的第一行我有10行。但是当我以前连接它们时，我只能看到我的第一行。在我的PHP

任何人都可以帮我连接php中的所有数据吗？

<html>
<body>
<marquee behavior="alternate">welcome to the database</marquee>
<table border="3" align="center">
<tr><th>disase_name</th><th>gene_name</th></tr>      
<?php 
        $username = "root";
        $password = "2991";
        $hostname = "localhost"; 
        $dbhandle = mysql_connect($hostname, $username, $password) or die("Unable to   connect to MySQL");
        echo "Connected to MySQL<br>";
        $selected = mysql_select_db("disease",$dbhandle) or die("Could not select  disease");
        $result = mysql_query("SELECT * FROM `primary_data` LIMIT 0, 30");
        while($row = mysql_fetch_array($result))
        {
            echo "<tr><td>".$row['disease_name']."</td><td>".$row['gene_name']."</td>   </tr>";
        }
        mysql_close($dbhandle);
    ?>
    </table>    
    </body>
    </html>

答案我希望朋友们带来这段代码

Answer 1

您可以使用while循环遍历已返回的所有结果。每个mysql_fetch_array（），MySQL结果都会跳转到下一条记录。

您可以使用以下代码循环遍历所有行

while($row=mysql_fetch_array($result))
{
    echo "disease_name:".$row['disease_name']." gene_name:".$row['gene_name'];
}

您的完整代码如下所示：

<html>
    <body>
    <marquee behavior="alternate">welcome</marquee>
        <?php 
            $username = "root";
            $password = "root123";
            $hostname = "localhost"; 
            $dbhandle = mysql_connect($hostname, $username, $password) or die("Unable to connect to MySQL");
            echo "Connected to MySQL<br>";

            $selected = mysql_select_db("missensencemuttation",$dbhandle) or die("Could not select missensencemuttation");
            $result = mysql_query("SELECT * FROM `primary_data` LIMIT 0, 30");
            while($row = mysql_fetch_array($result))
            {
                echo "disease_name:".$row['disease_name']." gene_name:".$row['gene_name'];
            }
            mysql_close($dbhandle);
        ?>
    </body>
</html>

感谢Edwin Alex对分号的评论

Answer 2

用户"["此处。

echo "disease_name:".$row['disease_name']." gene_name:".$row['gene_name'];

你也应该循环并显示。

while($row=mysql_fetch_array($result)) 
{
 echo "disease_name:".$row['disease_name']." gene_name:".$row['gene_name'];
}

mysql和php连接

任何人都可以帮我连接php中的所有数据吗？

答案我希望朋友们带来这段代码

2 个答案: