PHP and EasyWeChat: How to implement video playback function through WeChat applet

PHP and EasyWeChat: How to implement video playback function through WeChat applet

Introduction:
WeChat applet is a lightweight application with cross-platform, low development cost, easy to use, etc. characteristics, so it has been widely used and promoted in recent years. With the popularity of WeChat mini programs, more and more developers are beginning to explore how to implement various functions in mini programs. This article will introduce how to implement the video playback function in WeChat applet through PHP and EasyWeChat library.

1. Overview
To implement the video playback function in WeChat mini-programs, you need to rely on the mini-program development framework and related APIs provided by WeChat. At the same time, in order to facilitate developers to use, the EasyWeChat library provides some simple and easy-to-use interfaces that can help us quickly integrate and develop WeChat applets.

2. Preparation

1. Creating a WeChat mini program
   First, we need to register and create a mini program on the WeChat public platform. For specific mini program creation methods, please refer to the WeChat developer documentation.
2. EasyWeChat configuration
   In the PHP project, we need to introduce the EasyWeChat library and configure it accordingly. For specific configuration methods, please refer to the official documentation of EasyWeChat.

3. Implement the video playback function

1. Upload video
   In the WeChat applet, we need to upload the video to the WeChat server and obtain the MediaId of the video . In order to achieve this step, we can use the API interface provided by the EasyWeChat library. The sample code is as follows:

$wechat = new EasyWeChatClient();
$response = $wechat->material->uploadVideo('/path/to/video');
$mediaId = $response['media_id']; // 获取视频的MediaId

2. Drawing video component
   On the front-end page of the mini program, we need to draw a video component for displaying and playing videos. The sample code is as follows:

<video src="{{videoUrl}}" controls poster="{{posterUrl}}"></video>

Among them, videoUrl is the link address of the video, and posterUrl is the cover image address of the video.

3. Get the video link address and cover image address
   In order to implement the video playback function, we need to obtain the video link address and cover image address through the API. In PHP projects, we can use the API interface provided by the EasyWeChat library. The sample code is as follows:

$wechat = new EasyWeChatClient();
$response = $wechat->material->get($mediaId);
$videoUrl = $response['url']; // 获取视频链接地址
$posterUrl = $response['thumb_url']; // 获取封面图片地址

4. Transfer the video link address and cover image address to the mini program page
   In the PHP project, we can use the following method to transfer the video link address and cover image The address is passed to the applet page. The sample code is as follows:

$data = [
    'videoUrl' => $videoUrl,
    'posterUrl' => $posterUrl,
];
return json_encode($data);

5. Display the video in the mini program page
   Finally, we pass the obtained video link address and cover image address to the mini program page, and bind them through the data Display the video in a certain way. The sample code is as follows:

Page({
    data: {
        videoUrl: '',
        posterUrl: ''
    },
    onLoad: function(options) {
        var that = this;
        wx.request({
            url: 'php接口地址',
            success: function(res) {
                that.setData({
                    videoUrl: res.data.videoUrl,
                    posterUrl: res.data.posterUrl
                });
            }
        })
    }
})

Through the above steps, we can implement the video playback function in the WeChat applet.

Conclusion:
With the assistance of PHP and the EasyWeChat library, we can easily implement the video playback function in the WeChat applet. By uploading videos, drawing video components, obtaining video link addresses and cover image addresses, and displaying videos on mini program pages, developers can easily meet various video playback needs. Thanks to the convenience and powerful functions of the EasyWeChat library, we can develop WeChat mini programs more quickly.

References:

1. EasyWeChat official documentation: https://www.easywechat.com/
2. WeChat developer documentation: https://developers.weixin .qq.com/miniprogram/dev/

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