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HomeBackend DevelopmentPHP TutorialHow to use PHP interface to develop enterprise WeChat file upload function?
How to use PHP interface to develop enterprise WeChat file upload function?Sep 11, 2023 am 08:22 AM
File UploadEnterprise WeChatphp interface

如何利用 PHP 接口开发企业微信文件上传功能?

How to use the PHP interface to develop the enterprise WeChat file upload function?

With the popularity of Enterprise WeChat and the expansion of application scenarios, more and more enterprises have begun to actively use the interfaces provided by Enterprise WeChat for development to meet their own personalized needs for WeChat business. Among them, the file upload function is a common demand scenario in enterprise WeChat development. This article will introduce how to use the PHP interface to develop the enterprise WeChat file upload function.

1. Preparation work
First, we need to obtain the interface credentials (access_token) of Enterprise WeChat for subsequent interface calls. There are many ways to obtain credentials. You can obtain them manually, or you can use related PHP, JavaScript and other packaged SDKs to obtain them. Here we use PHP SDK to obtain the credentials. The specific code is as follows:

<?php

require_once 'your_wechat_sdk_path/WeChat.php';

$wechat = new WeChat([
    'corp_id' => 'your_corp_id',
    'corp_secret' => 'your_corp_secret',
]);

$access_token = $wechat->getAccessToken();

Through the above code, we can successfully obtain the interface credentials (access_token) of Enterprise WeChat.

2. File upload interface
Enterprise WeChat provides an interface specifically for file upload, namely the media/upload interface. This interface can upload files to the temporary material library of Enterprise WeChat and return a unique media_id.

The specific interface address and parameters are as follows:

https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=TYPE

Among them, ACCESS_TOKEN is the interface certificate obtained before, TYPE represents the file type. Currently supported file types are: image (picture), voice ( sound), video (video), file (ordinary file).

3. Implement the file upload function
In PHP, you can use the CURL library to send a POST request to upload files to the temporary material library of Enterprise WeChat. The specific code is as follows:

<?php

$file_path = 'your_file_path';

$url = "https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token={$access_token}&type=file";

$post_data = [
    'media' => new CURLFile($file_path),
];

$curl = curl_init();

curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $post_data);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

$result = curl_exec($curl);

curl_close($curl);

$result = json_decode($result, true);

if ($result['errcode'] == 0) {
    $media_id = $result['media_id'];
    echo '文件上传成功,media_id:' . $media_id;
} else {
    echo '文件上传失败,错误码:' . $result['errcode'] . ',错误信息:' . $result['errmsg'];
}

Through the above code, we can successfully implement the file upload function and obtain the media_id of the uploaded file.

4. Further Application
The implementation of the file upload function is only a basic function for enterprise WeChat development. We can further expand the application according to actual business needs. For example, we can send uploaded files to designated members or departments, save files on our own servers, perform format verification on uploaded files, etc.

Summary:
Using the PHP interface to develop the enterprise WeChat file upload function is an important development task. This article introduces the preparation work, the file upload interface and the implementation of the file upload function. I hope it can help readers. Get started quickly and complete relevant development. Of course, during the development process, further functional expansion and optimization can be carried out according to actual needs. I hope readers can better develop enterprise WeChat based on the methods and ideas provided in this article.

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