Implementation steps of enterprise WeChat interface and PHP message push

Implementation steps of enterprise WeChat interface and PHP message push

Introduction:
With the popularity and application of enterprise WeChat, more and more enterprises have begun to integrate the enterprise WeChat interface into their own systems. To achieve real-time message push and notification. This article will introduce how to use PHP language to implement the function of enterprise WeChat message push, and provide relevant code examples.

1. Preparation work
Before we start, we need to do some preparation work:

1. Register the enterprise WeChat and obtain the relevant enterprise ID and application ID;
2. Configure the enterprise WeChat application, set the permissions of the application and the URL address of the application push message.

2. Enterprise WeChat interface authentication
First, we need to handle the authentication of the enterprise WeChat interface in PHP code. Enterprise WeChat will send a GET request to the URL address we defined. We need to process this request in the code and return a specific verification string. The following is a code example for processing authentication:

<?php
$token = 'your_token';  // 这里将your_token替换成你自己的token
$signature = $_GET['msg_signature'];
$timestamp = $_GET['timestamp'];
$nonce = $_GET['nonce'];
$echostr = $_GET['echostr'];

$wx = new WXBizMsgCrypt($token);
$errCode = $wx->VerifyURL($signature, $timestamp, $nonce, $echostr, $sReplyEchoStr);
if ($errCode == 0) {
    echo $sReplyEchoStr; // 返回校验字符串给企业微信，完成认证
}

3. Message push processing
Next, we need to write code to process the messages pushed by Enterprise WeChat. Enterprise WeChat will push the message to the URL address we configured with a POST request. We need to parse the received data and process it as needed. The following is a code example for processing message push:

<?php
$input = file_get_contents('php://input');
$wx = new WXBizMsgCrypt($token);
$errCode = $wx->DecryptMsg($sMsgSignature, $sTimeStamp, $sNonce, $input, $sMsg);
if ($errCode == 0) {
    $xml = simplexml_load_string($sMsg); // 将XML格式的消息转换为SimpleXML对象，方便操作
    $msgType = $xml->MsgType;

    // 根据消息类型进行相应的处理
    switch ($msgType) {
        case 'text':
            $content = $xml->Content;
            // 处理文本消息的逻辑
            break;
        case 'image':
            $picUrl = $xml->PicUrl;
            // 处理图片消息的逻辑
            break;
        // 其他消息类型的处理...
    }

    // 回复消息给企业微信
    $reply = '<xml>
                <ToUserName><![CDATA[' . $xml->FromUserName . ']]></ToUserName>
                <FromUserName><![CDATA[' . $xml->ToUserName . ']]></FromUserName>
                <CreateTime>' . time() . '</CreateTime>
                <MsgType><![CDATA[text]]></MsgType>
                <Content><![CDATA[收到你的消息啦！]]></Content>
              </xml>';
    $encryptReply = '';
    $errCode = $wx->EncryptMsg($reply, $sTimeStamp, $sNonce, $encryptReply);
    if ($errCode == 0) {
        echo $encryptReply; // 回复加密后的消息给企业微信
    }
}

4. Summary
Through the above steps, we can realize the function of enterprise WeChat interface and PHP message push. First perform interface authentication, then process the received message according to actual business needs, and encrypt the response message before sending it to Enterprise WeChat. I hope this article can be helpful to developers who are integrating enterprise WeChat interfaces.

The above are the steps to implement the enterprise WeChat interface and PHP message push. I hope it can provide you with some reference.

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