EasyWeChat and PHP development of WeChat applet tourist guide function implementation skills

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Release: 2023-07-19 18:22:02
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EasyWeChat and PHP develop WeChat mini-program tourist guide function implementation skills

[Introduction]
With the rapid development of the mobile Internet, WeChat mini-programs have become the choice of more and more enterprises and individuals . As a fast and concise application, mini programs are gradually equipped with more functions and services, among which the tourist guide function is a very popular service. This article will introduce how to use EasyWeChat and PHP to develop the tourist navigation function of the WeChat applet, and provide relevant code examples.

[Technical Preparation]
To realize the tourist guide function, we need the following technical preparations:

  1. EasyWeChat: EasyWeChat is a WeChat public platform SDK developed by PHP, which provides a wealth of API simplifies the WeChat development process.
  2. PHP: PHP is a popular server-side scripting language for web development. We will use PHP to write back-end logic to handle requests from the WeChat applet.

[Implementation steps]

Step 1: Create a mini program
First, we need to create a new mini program on the official WeChat mini program platform. During the creation process, we need to obtain the AppID and AppSecret of the applet. This information will be used in subsequent steps.

Step 2: Install EasyWeChat
Use Composer to install EasyWeChat, which can be executed in the command line through the following command:
composer require overtrue/wechat

Step 3: Configure EasyWeChat
Create a config.php file in the project and fill in the EasyWeChat configuration information. The following is a sample configuration:

<?php
return [
    'app_id' => 'your-app-id',
    'secret' => 'your-secret',
    'response_type' => 'array',
];
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Step 4: Create a PHP script

  • Create an index.php file and write the following source code:

    <?php
    require 'vendor/autoload.php';
    
    use EasyWeChatFactory;
    
    $config = require 'config.php';
    
    $app = Factory::miniProgram($config);
    
    $app->server->push(function ($message) {
      switch ($message['MsgType']) {
          case 'text':
              return "欢迎使用游客导览功能!";
              break;
          case 'location':
              // 处理位置信息
              return "你的位置:" . $message['Location_X'] . "," . $message['Location_Y'];
              break;
          default:
              return "未知消息类型";
              break;
      }
    });
    
    $response = $app->server->serve();
    
    $response->send();
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  • The above code creates a simple HTTP server to match the user's message type with the corresponding processing logic. For text messages, the welcome message is returned; for location messages, the user's location information is returned.

Step 5: Deploy code
Upload the index.php file to the server, and use nginx or other web servers to configure the domain name and path.

Step 6: Mini Program Development

  • Create a page in the WeChat Mini Program Developer Tools and add a map component and a text component to the page.
  • Write the following code in the js file of the page:

    Page({
    data: {
      location: ''
    },
    onLoad: function() {
      wx.getLocation({
        type: 'wgs84',
        success: (res) => {
          const latitude = res.latitude
          const longitude = res.longitude
          this.setData({
            location: `经度:${longitude},纬度:${latitude}`
          })
        }
      })
    }
    })
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  • In the page, we use the wx.getLocation method to obtain the user’s location information , and display the location information on the page.
  • [Summary]
    By using EasyWeChat and PHP to develop the tourist navigation function of the WeChat applet, we can implement this function simply and efficiently. This article provides implementation steps and related code examples, hoping to be helpful to readers in the development of WeChat mini programs. Of course, the tourist guide function is only a small part of the WeChat mini program, and developers can expand and optimize more functions according to their own needs and actual conditions.

    The above is the detailed content of EasyWeChat and PHP development of WeChat applet tourist guide function implementation skills. For more information, please follow other related articles on the PHP Chinese website!

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