php车辆管理系统 源码

<?php
// 数据库连接信息
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "vehicle_management";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 增加车辆信息
function addVehicle($conn, $vehicleNumber, $ownerName, $model) {
    $sql = "INSERT INTO vehicles (vehicle_number, owner_name, model) VALUES ('$vehicleNumber', '$ownerName', '$model')";
    if ($conn->query($sql) === TRUE) {
        echo "新记录插入成功";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
}

// 查询车辆信息
function getVehicles($conn) {
    $sql = "SELECT * FROM vehicles";
    $result = $conn->query($sql);
    if ($result->num_rows > 0) {
        while($row = $result->fetch_assoc()) {
            echo "车牌号: " . $row["vehicle_number"]. " - 车主: " . $row["owner_name"]. " - 型号: " . $row["model"]. "<br>";
        }
    } else {
        echo "0 结果";
    }
}

// 更新车辆信息
function updateVehicle($conn, $vehicleNumber, $newOwnerName) {
    $sql = "UPDATE vehicles SET owner_name='$newOwnerName' WHERE vehicle_number='$vehicleNumber'";
    if ($conn->query($sql) === TRUE) {
        echo "记录更新成功";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
}

// 删除车辆信息
function deleteVehicle($conn, $vehicleNumber) {
    $sql = "DELETE FROM vehicles WHERE vehicle_number='$vehicleNumber'";
    if ($conn->query($sql) === TRUE) {
        echo "记录删除成功";
    } else {
        echo "Error: " . $sql . "<br>" . $conn->error;
    }
}

// 示例调用
addVehicle($conn, "京A12345", "张三", "宝马X5");
getVehicles($conn);
updateVehicle($conn, "京A12345", "李四");
deleteVehicle($conn, "京A12345");

$conn->close();
?>