전사적자원관리(ERP) 시스템에서 PHP로 개발한 재고 회전율 분석 기능 활용

// 连接数据库
$conn = mysqli_connect("localhost", "username", "password", "database");

// 获取销售数据
$sales_query = "SELECT SUM(amount) as total_amount FROM sales";
$sales_result = mysqli_query($conn, $sales_query);
$sales_row = mysqli_fetch_assoc($sales_result);
$total_sales = $sales_row['total_amount'];

// 获取库存数据
$inventory_query = "SELECT SUM(amount) as total_amount FROM inventory";
$inventory_result = mysqli_query($conn, $inventory_query);
$inventory_row = mysqli_fetch_assoc($inventory_result);
$total_inventory = $inventory_row['total_amount'];

$average_inventory = $total_inventory / 365; // 假设以一年为计算周期

$turnover_rate = $total_sales / $average_inventory;

function calculateTurnoverRate() {
    // 连接数据库
    $conn = mysqli_connect("localhost", "username", "password", "database");

    // 获取销售数据
    $sales_query = "SELECT SUM(amount) as total_amount FROM sales";
    $sales_result = mysqli_query($conn, $sales_query);
    $sales_row = mysqli_fetch_assoc($sales_result);
    $total_sales = $sales_row['total_amount'];

    // 获取库存数据
    $inventory_query = "SELECT SUM(amount) as total_amount FROM inventory";
    $inventory_result = mysqli_query($conn, $inventory_query);
    $inventory_row = mysqli_fetch_assoc($inventory_result);
    $total_inventory = $inventory_row['total_amount'];

    // 计算平均库存额
    $average_inventory = $total_inventory / 365; // 假设以一年为计算周期

    // 计算库存周转率
    $turnover_rate = $total_sales / $average_inventory;

    // 返回库存周转率
    return $turnover_rate;
}

// 在ERP系统中调用库存周转率函数
$turnover_rate = calculateTurnoverRate();
echo "库存周转率为：" . $turnover_rate;