PHP development for enterprise resource planning (ERP) systems that build supply chain management functions

PHP development to build an enterprise resource planning (ERP) system with supply chain management functions

Introduction: With the development of globalization and informatization, supply chain management is becoming more and more important in enterprises. In order to better manage the company's supply chain processes, many companies have chosen to introduce an enterprise resource planning (ERP) system. This article will introduce how to use PHP language to develop an ERP system including supply chain management functions, and provide relevant code examples.

1. Requirements Analysis
Before starting development, we need to conduct a requirements analysis to clarify the functional modules and data processes required by the system. Common supply chain management functions include procurement management, inventory management, production management and sales management. The following is a demand analysis for each functional module:

1. Purchasing management: including supplier management, purchase order management, purchase receipt management and quality inspection, etc.
2. Inventory management: including inventory inquiry, inventory adjustment, inventory counting and inventory warning, etc.
3. Production management: including production plan management, production order management and production progress tracking.
4. Sales management: including customer management, sales order management and order delivery management.

2. Database design
Based on demand analysis, we can design the corresponding database table structure. Taking the procurement management function as an example, we can design the following table structure:

1. Supplier table (supplier): used to store supplier-related information, such as supplier name, contact and contact information, etc. .
2. Purchase order table (purchase_order): used to store purchase order related information, such as purchase order number, supplier ID, order status, etc.
3. Purchase order details table (purchase_order_item): used to store product details of purchase orders, such as product ID, purchase quantity and unit price, etc.
4. Purchase receipt table (purchase_receipt): used to store the receipt information of purchased goods, such as receipt date, receipt quantity and quality inspection results, etc.

3. PHP development

1. Purchase order management function development

(1) Create purchase order
First, we need to create A page for creating purchase orders. The following is a basic code example:

<form action="create_purchase_order.php" method="post">
  <label>供应商:</label>
  <select name="supplier_id">
    <?php  
    // 在下拉列表中动态加载供应商数据
    $suppliers = get_suppliers(); // 获取供应商列表的函数，具体实现请自行编写
    foreach ($suppliers as $supplier) {
      echo "<option value='" . $supplier['id'] . "'>" . $supplier['name'] . "</option>";
    }
    ?>
  </select>
  <br>
  <label>商品:</label>
  <select name="product_id">
    <?php  
    // 在下拉列表中动态加载商品数据
    $products = get_products(); // 获取商品列表的函数，具体实现请自行编写
    foreach ($products as $product) {
      echo "<option value='" . $product['id'] . "'>" . $product['name'] . "</option>";
    }
    ?>
  </select>
  <br>
  <label>数量:</label>
  <input type="number" name="quantity">
  <br>
  <input type="submit" value="创建订单">
</form>

(2) Saving the purchase order
After receiving the request to create a purchase order, we need to write the corresponding PHP script to handle the saving of the data.

// create_purchase_order.php

// 获取表单数据
$supplier_id = $_POST['supplier_id'];
$product_id = $_POST['product_id'];
$quantity = $_POST['quantity'];

// 保存采购订单
$result = save_purchase_order($supplier_id, $product_id, $quantity); // 保存采购订单的函数，具体实现请自行编写

// 根据保存结果执行相应的操作
if ($result) {
  echo "采购订单创建成功";
} else {
  echo "采购订单创建失败";
}

2. Inventory management function development

(1) Inventory query
In order to facilitate inventory query, we can create an inventory query page for users to enter product names or Keywords to query. The following is a basic code example:

<form action="inventory_search.php" method="get">
  <input type="text" name="keyword">
  <input type="submit" value="查询">
</form>

After receiving the query request, we can perform database queries based on keywords:

// inventory_search.php

$keyword = $_GET['keyword'];

$inventory = search_inventory($keyword); // 根据关键字查询库存的函数，具体实现请自行编写

// 输出查询结果
foreach ($inventory as $item) {
  echo $item['product_name'] . ": " . $item['quantity'] . "<br>";
}

(2) Inventory adjustment
In order to facilitate inventory To adjust, we can create an inventory adjustment page for users to enter the items and quantities that need to be adjusted. The following is a basic code example:

<form action="inventory_adjust.php" method="post">
  <label>商品:</label>
  <select name="product_id">
    <?php  
    // 在下拉列表中动态加载商品数据
    $products = get_products(); // 获取商品列表的函数，具体实现请自行编写
    foreach ($products as $product) {
      echo "<option value='" . $product['id'] . "'>" . $product['name'] . "</option>";
    }
    ?>
  </select>
  <br>
  <label>数量:</label>
  <input type="number" name="quantity">
  <br>
  <input type="submit" value="调整库存">
</form>

After receiving the inventory adjustment request, we can update the inventory record in the database based on the item ID and quantity:

// inventory_adjust.php

$product_id = $_POST['product_id'];
$quantity = $_POST['quantity'];

$result = adjust_inventory($product_id, $quantity); // 调整库存的函数，具体实现请自行编写

if ($result) {
  echo "库存调整成功";
} else {
  echo "库存调整失败";
}

Conclusion
Passed In the above example, we can see how to use the PHP language to develop an enterprise resource planning (ERP) system with supply chain management functions. Of course, the above is just a brief example, and more details need to be considered and more functions added in actual development.

I hope that through the introduction of this article, readers can have a certain understanding of PHP development of enterprise resource planning (ERP) systems for supply chain management functions, and provide reference and guidance for actual project development.

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