How to use PHP Developer City to implement membership level promotion rules

How to use PHP Developer City to implement membership level promotion rules

With the rapid development of e-commerce, e-commerce platforms have begun to focus on the planning and implementation of the membership level system in order to retain old customers and attract new customers. Member level promotion rules are crucial to mall operations. They can motivate members to consume, increase user stickiness, and obtain more revenue for the mall. This article will introduce how to use PHP Developer City to implement membership level promotion rules.

1. Database design

First, we need to design a database to store member information and level rules. The following is a simple database design example:

1. User table (user): id, user name, password, email, points, level and other fields.
2. Level table (level): Level id, level name, required points and other fields.

This is just a simplified database design example. In actual development, more fields can be added according to specific needs.

2. Design of promotion rules

Next, we need to design the rules for member level promotion. Member level promotion rules are usually related to the accumulation of points, and the number of points required for different levels can be set. For example, an ordinary member needs to accumulate 1,000 points to be promoted to a senior member, a senior member needs to accumulate 5,000 points to be promoted to a VIP member, and so on.

In the database, we can store the level rules in the level table, and each level corresponds to a points threshold. For example, level 1 corresponds to 1,000 points, level 2 corresponds to 5,000 points, level 3 corresponds to 10,000 points, and so on.

3. PHP code implementation

In PHP, we can use the following code to implement the membership level promotion rules:

1. Connect to the database:

<?php
$con = mysqli_connect("localhost", "用户名", "密码", "数据库名");
if (mysqli_connect_errno()) {
    echo "连接数据库失败：" . mysqli_connect_error();
    exit;
}
?>

2. Check the current level and points of the member:

<?php
$user_id = $_SESSION['user_id'];
$query = "SELECT level_id, 积分 FROM user WHERE id = $user_id";
$result = mysqli_query($con, $query);
$row = mysqli_fetch_assoc($result);
$level_id = $row['level_id'];
$积分 = $row['积分'];
?>

3. Check the points required for the next level:

<?php
$query = "SELECT 所需积分 FROM level WHERE 等级id = $level_id + 1";
$result = mysqli_query($con, $query);
$row = mysqli_fetch_assoc($result);
$所需积分 = $row['所需积分'];
?>

4. Judgment Whether the promotion conditions are met:

<?php
if ($积分 >= $所需积分) {
    $update_query = "UPDATE user SET level_id = $level_id + 1 WHERE id = $user_id";
    mysqli_query($con, $update_query);
}
?>

The above code is just a simple example. In actual development, error handling, membership level judgment, etc. need to be added.

4. Front-end interface display

Finally, we also need to display member level information in the front-end interface. The current membership level and points information can be displayed on the user's personal center, shopping cart and other pages.

In this way, we use the PHP Developer City to implement the membership level promotion rules. By reasonably setting level rules and encouraging user consumption, user stickiness can be improved and the development of the mall can be promoted. Of course, with the continuous development of e-commerce platforms, membership level promotion rules can also be comprehensively evaluated in combination with other factors such as consumption amount, activity level, etc., to provide a more personalized user experience.

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