向数据库添加经验点php

<?php
// 连接数据库
$servername = "数据库服务器地址";
$username = "数据库用户名";
$password = "数据库密码";
$dbname = "数据库名";

$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接是否成功
if ($conn->connect_error) {
    die("连接数据库失败: " . $conn->connect_error);
}

// 准备SQL语句
$userID = 1; // 用户ID
$experience = 100; // 经验点数

$sql = "UPDATE users SET experience = experience + $experience WHERE id = $userID";

// 执行SQL语句
if ($conn->query($sql) === TRUE) {
    echo "经验点添加成功";
} else {
    echo "添加经验点失败: " . $conn->error;
}

// 关闭数据库连接
$conn->close();
?>