php入门指南

 测试代码：

<html>
<head>
    <title>通过PHP连接MySQL服务器</title>
</head>
<body>
<?php
$link = mysqli_connect("127.0.0.1", "root", "123456", "bishe");

if (!$link) {
    echo "Error: Unable to connect to MySQL." . PHP_EOL;
    echo "Debugging errno: " . mysqli_connect_errno() . PHP_EOL;
    echo "Debugging error: " . mysqli_connect_error() . PHP_EOL;
    exit;
}
$sql = "SELECT * FROM choice_error";
$result = $link->query($sql);
if ($result->num_rows > 0) {
    // 输出数据
    while($row = $result->fetch_assoc()) {
        echo "id: " . $row["question_id"]. " - Name: " . $row["question_name"]. " " . $row["question_type"]. "\"\r\n\"";
    }
} else {
    echo "0 结果";
}
echo "Success: A proper connection to MySQL was made! The my_db database is great." . PHP_EOL;
echo "Host information: " . mysqli_get_host_info($link) . PHP_EOL;
mysqli_close($link);

?>
</body>
</html>

　　

posted @ 2020-08-20 18:15  外科手术医生  阅读(142)  评论(0)    收藏  举报