<?php
// 准备数据库资源相关操作
$db = new mysqli('localhost', 'username', 'password', 'database_name');
if (!$db) {
// 如果数据库链接失败
die("Connection failed: " . mysqli_connect_error());
}
// 准备插入到评论表的代码
$sql = "INSERT INTO comments (video_id, commentator, comment_text) VALUES (1, '张三', '这是一条评论')";
if (mysqli_query($db, $sql)) {
echo "评论添加成功";
} else {
echo "Error: " . $sql . "
" . mysqli_error($db);
}
mysqli_close($db);
?>