PHP development of enterprise resource planning (ERP) system to build project cost analysis function

PHP development to build an enterprise resource planning (ERP) system with project cost analysis function

The enterprise resource planning (ERP) system is an important tool for modern enterprise management. It realizes information by integrating the business processes of various departments. Share and work together. As project management becomes increasingly important in enterprises, integrating project cost analysis functions into ERP systems has become the key for enterprises to better grasp project costs.

This article will introduce how to use PHP to develop an ERP system with project cost analysis function. We will use PHP as the development language and combine database and front-end technology to achieve it.

First, we need to create a database to store project and cost data. Suppose we have two main database tables, one is the project table (project) and the other is the cost table (cost), and they are related through the project ID.

The structure of the project table is as follows:

CREATE TABLE project (
    id INT(11) AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    start_date DATE NOT NULL,
    end_date DATE NOT NULL,
    status ENUM('ongoing', 'completed') NOT NULL
);

The structure of the cost table is as follows:

CREATE TABLE cost (
    id INT(11) AUTO_INCREMENT PRIMARY KEY,
    project_id INT(11),
    cost_type ENUM('material', 'labor', 'other') NOT NULL,
    amount DECIMAL(10,2) NOT NULL,
    FOREIGN KEY (project_id) REFERENCES project(id)
);

Next, we need to use PHP to write some functions to handle operations related to project cost .

First is the function to add the project:

function addProject($name, $startDate, $endDate) {
    // 在数据库中插入一条新的项目记录
    $sql = "INSERT INTO project (name, start_date, end_date, status) VALUES ('$name', '$startDate', '$endDate', 'ongoing')";
    // 执行查询语句
    // ...
}

Then is the function to add the cost:

function addCost($projectId, $costType, $amount) {
    // 在数据库中插入一条新的成本记录
    $sql = "INSERT INTO cost (project_id, cost_type, amount) VALUES ('$projectId', '$costType', '$amount')";
    // 执行查询语句
    // ...
}

Next, we need to write some functions to obtain and calculate the project cost data.

First is the function to get the list of items:

function getProjects() {
    // 查询项目列表
    $sql = "SELECT * FROM project";
    // 执行查询语句
    // ...
    // 返回项目列表
    // ...
}

Then is the function to get the list of costs of a certain item:

function getProjectCosts($projectId) {
    // 查询某个项目的成本列表
    $sql = "SELECT * FROM cost WHERE project_id = '$projectId'";
    // 执行查询语句
    // ...
    // 返回成本列表
    // ...
}

Finally, we need to write a function to calculate a certain item Function of total cost:

function calculateTotalCost($projectId) {
    // 查询某个项目的成本总和
    $sql = "SELECT SUM(amount) AS total_cost FROM cost WHERE project_id = '$projectId'";
    // 执行查询语句
    // ...
    // 返回总成本
    // ...
}

Through the above code example, we can see how to use PHP to develop an ERP system with project cost analysis function. We can enter data by adding functions for projects and costs, and display the data using functions that get lists of projects and costs. At the same time, we can also obtain the cost summary data of the project by calculating the total cost function.

In actual development, we can also combine front-end technology, use HTML and CSS to beautify the interface, and use JavaScript to achieve some interactive effects and data verification.

Summary:
This article introduces how to use PHP to develop an ERP system with project cost analysis function. By establishing database tables to store project and cost data, and writing corresponding PHP functions to handle data additions, deletions, modifications, and calculations and analysis, we can build a practical ERP system to help companies better grasp and manage project costs.

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