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php怎么用表格输出数据库

小亿
104
2024-02-04 14:55:48
栏目: 编程语言

在PHP中,可以使用HTML表格来输出数据库中的数据。

假设我们有一个数据库表格叫做“users”,包含了id、name和email字段。

首先,连接到数据库:

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

$conn = mysqli_connect($servername, $username, $password, $dbname);
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

然后,查询数据库中的数据并将结果存储在一个变量中:

$sql = "SELECT * FROM users";
$result = mysqli_query($conn, $sql);

接下来,使用HTML表格来输出查询结果:

if (mysqli_num_rows($result) > 0) {
    echo "<table>";
    echo "<tr><th>ID</th><th>Name</th><th>Email</th></tr>";
    while ($row = mysqli_fetch_assoc($result)) {
        echo "<tr><td>".$row["id"]."</td><td>".$row["name"]."</td><td>".$row["email"]."</td></tr>";
    }
    echo "</table>";
} else {
    echo "0 results";
}

最后,关闭数据库连接:

mysqli_close($conn);

完整的代码如下:

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

$conn = mysqli_connect($servername, $username, $password, $dbname);
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}

$sql = "SELECT * FROM users";
$result = mysqli_query($conn, $sql);

if (mysqli_num_rows($result) > 0) {
    echo "<table>";
    echo "<tr><th>ID</th><th>Name</th><th>Email</th></tr>";
    while ($row = mysqli_fetch_assoc($result)) {
        echo "<tr><td>".$row["id"]."</td><td>".$row["name"]."</td><td>".$row["email"]."</td></tr>";
    }
    echo "</table>";
} else {
    echo "0 results";
}

mysqli_close($conn);

这样就可以将数据库中的数据使用HTML表格输出了。

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