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PHP and EasyWeChat: How to implement product recommendation function through WeChat mini program

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2023-07-18 16:06:40866browse

PHP and EasyWeChat: How to implement product recommendation function through WeChat applet

Introduction:
In today’s e-commerce market, intelligent product recommendation systems can help merchants increase sales and customer satisfaction. As a very popular mobile application platform, WeChat mini program provides rich interfaces and technical support for product recommendation functions. This article will focus on how to use PHP language and EasyWeChat framework to implement product recommendation function through WeChat applet. The following aspects will be covered:

  1. Building a development environment
  2. Creating a WeChat applet
  3. Integrating PHP with EasyWeChat
  4. Implementing the product recommendation interface

1. Set up a development environment
First, make sure that PHP and related development tools have been installed on the computer. Then, install the EasyWeChat framework through Composer and execute the following command:

composer require overtrue/wechat

2. Create a WeChat applet
Log in to the WeChat public platform developer tools and create a new applet project. Obtain the appId and appSecret in the mini program development settings, which will be used for subsequent interface authorization and communication.

3. Integration of PHP and EasyWeChat
In the PHP code, we use the functions provided by the EasyWeChat framework to interact with the WeChat applet. First, create a config.php file to configure the transmission parameters, as shown below:

<?php
return [
    'app_id' => 'your_app_id',
    'secret' => 'your_app_secret',
    'token' => 'your_token',
    'response_type' => 'array',
];

Note that the values ​​​​of your_app_id, your_app_secret, and your_token are replaced with actual parameters.

Next, we create the index.php file and introduce the EasyWeChat framework and configuration file:

<?php
$config = require_once 'config.php';
require_once 'vendor/autoload.php';
use EasyWeChatFactory;

$app = Factory::officialAccount($config);
$server = $app->server;
$server->serve()->send();

4. Implement the product recommendation interface
In the WeChat applet, we can obtain it through the interface The user's openid is then used to recommend relevant products to the user based on the user's historical purchase records and preferences. The following is a simple example showing how to implement a product recommendation interface:

  1. On the mini program, call wx.login to obtain the user's code:

    wx.login({
      success: function(res) {
     if (res.code) {
       wx.request({
         url: 'https://yourdomain.com/getopenid.php',
         data: {
           code: res.code
         },
         success: function(res) {
           console.log(res.data);
         }
       })
     }
      }
    })
  2. Use PHP in the background to obtain the user's openid based on the code:

    <?php
    if(isset($_GET['code'])){
     $code = $_GET['code'];
     $app = Factory::miniProgram($config);
     $auth = $app->auth;
     $openid = $auth->session($code)['openid'];
    
     //根据openid获取用户的购买记录和喜好
     //假设$_SESSION['recommendations']是一个存储商品推荐信息的数组
    
     if(isset($_SESSION['recommendations'])){
         echo json_encode($_SESSION['recommendations']);
     }else{
         echo json_encode([]);
     }
    }
  3. On the front end, display the recommended product information to the user based on the returned information.

Conclusion:
Through the PHP language and EasyWeChat framework, we can easily implement the interaction and product recommendation functions with WeChat mini programs. These technologies will further enhance the user experience and sales effectiveness of e-commerce platforms. I hope this article can be helpful to readers and guide them to apply WeChat mini programs in the PHP field to achieve more functional innovations.

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