PHP method to realize product inventory allocation and allocation

PHP method to realize product inventory allocation and allocation

With the rapid development of the e-commerce industry, product inventory management has become an important issue. Especially in the case of multi-channel sales, inventory needs to be allocated and allocated in real time to meet the needs of different channels. This article will introduce how to use PHP language to realize product inventory allocation and allocation.

First of all, we need a database to store product information and inventory quantities. Suppose we have a table called "products" with the following fields: id, name, stock.

CREATE TABLE products (
    id INT PRIMARY KEY AUTO_INCREMENT,
    name VARCHAR(255) NOT NULL,
    stock INT NOT NULL
);

Next, we need to write some PHP functions to implement inventory allocation and transfer functions.

1. Inventory inquiry

function getStock($productId) {
    // 连接数据库
    $conn = new mysqli('localhost', 'username', 'password', 'database');
    
    // 查询库存
    $result = $conn->query("SELECT stock FROM products WHERE id = $productId");
    
    if($result === false || $result->num_rows === 0) {
        // 商品不存在
        return 0;
    }
    
    $row = $result->fetch_assoc();
    
    // 返回库存数量
    return $row['stock'];
}

2. Inventory allocation

function allocateStock($productId, $quantity) {
    // 查询库存
    $stock = getStock($productId);
    
    if($stock < $quantity) {
        // 库存不足
        return false;
    }
    
    // 更新库存
    $newStock = $stock - $quantity;
    $conn->query("UPDATE products SET stock = $newStock WHERE id = $productId");
    
    return true;
}

3. Inventory transfer

function transferStock($productId, $quantity, $destination) {
    // 查询库存
    $stock = getStock($productId);
    
    if($stock < $quantity) {
        // 库存不足
        return false;
    }
    
    // 更新调出仓库的库存
    $newStock = $stock - $quantity;
    $conn->query("UPDATE products SET stock = $newStock WHERE id = $productId");
    
    // 增加调入仓库的库存
    $destinationStock = getStock($destination);
    $newDestinationStock = $destinationStock + $quantity;
    $conn->query("UPDATE products SET stock = $newDestinationStock WHERE id = $destination");

    return true;
}

The above is a method of using PHP language to realize product inventory allocation and allocation. Through these methods, we can achieve real-time allocation and mobilization of inventory to meet the needs of different channels. When the inventory is insufficient, the allocation and transfer functions will return false so that we can handle it accordingly. In actual applications, these functions can be extended according to actual needs, such as adding transaction processing and error handling.

Summary:
With the development of the e-commerce industry, product inventory management has become an important issue. The distribution and allocation of commodity inventory can be easily achieved using PHP language. Through these methods, real-time allocation and adjustment of inventory can be achieved and inventory management efficiency can be improved. I hope the code examples in this article will be helpful to you in practical applications!

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