DingTalk Interface and PHP Mobile Approval Application Development Guide

Mobile Approval Application Development Guide for DingTalk Interface and PHP

With the rapid development of the mobile Internet, mobile applications have become increasingly popular, and internal process management of enterprises has gradually transformed to mobile. As an enterprise office software, DingTalk provides rich interfaces and functions, and provides enterprises with a convenient mobile application development platform. This article will use PHP as an example to introduce how to use the DingTalk interface to develop a mobile approval application.

1. Environment preparation

Before starting development, we need to prepare the following environment:

1. PHP environment: Make sure that PHP has been installed on the server and configured. Related environment;
2. DingTalk development platform registration and configuration: Register the application on the DingTalk open platform (https://open-dev.dingtalk.com/) and obtain the relevant AppKey and AppSecret.

2. Obtain access_token

Before using the DingTalk interface, you need to obtain the access_token for subsequent interface calls. The following is a code example for obtaining access_token:

<?php
// 获取access_token
$appKey = 'your_app_key';
$appSecret = 'your_app_secret';

$url = "https://oapi.dingtalk.com/gettoken?appkey=$appKey&appsecret=$appSecret";
$response = file_get_contents($url);
$result = json_decode($response, true);

if ($result['errcode'] == 0) {
    $accessToken = $result['access_token'];
    // 存储accessToken，建议保存到数据库中
    // ...
} else {
    echo '获取access_token失败：' . $result['errmsg'];
}

?>

3. Initiate an approval application

Next, we will use the interface provided by DingTalk to initiate an approval application. The following is a code example for initiating an approval application:

<?php
// 发起审批申请
$accessToken = 'your_access_token';
$url = "https://oapi.dingtalk.com/topapi/processinstance/create?access_token=$accessToken";

$data = array(
    'process_code' => 'your_process_code',
    'form_component_values' => array(
        array('name' => 'field1', 'value' => 'value1'),
        array('name' => 'field2', 'value' => 'value2')
    )
);

$dataJson = json_encode($data);

$options = array(
    'http' => array(
        'header'  => "Content-Type: application/json
",
        'method'  => 'POST',
        'content' => $dataJson
    )
);

$context  = stream_context_create($options);
$response = file_get_contents($url, false, $context);
$result = json_decode($response, true);

if ($result['errcode'] == 0) {
    $processInstanceId = $result['process_instance_id'];
    // 存储processInstanceId，用于后续的查询和审批操作
    // ...
} else {
    echo '发起审批申请失败：' . $result['errmsg'];
}


?>

4. Query the approval status

You can also use the interface provided by DingTalk to query the approval status. The following is a code example for querying the approval status:

<?php
// 查询审批状态
$accessToken = 'your_access_token';
$processInstanceId = 'your_process_instance_id';
$url = "https://oapi.dingtalk.com/topapi/processinstance/get?access_token=$accessToken&process_instance_id=$processInstanceId";

$response = file_get_contents($url);
$result = json_decode($response, true);

if ($result['errcode'] == 0) {
    $status = $result['process_instance']['status'];
    // 根据状态进行相应操作
    // ...
} else {
    echo '查询审批状态失败：' . $result['errmsg'];
}

?>

5. Approval operation

Finally, we can also use the interface provided by DingTalk to operate the approval. The following is a code example for the approval operation:

<?php
// 审批操作
$accessToken = 'your_access_token';
$processInstanceId = 'your_process_instance_id';
$operation = 'agree';  // 审批操作，可以是agree、refuse、redirect等

$url = "https://oapi.dingtalk.com/topapi/processinstance/action?access_token=$accessToken";

$data = array(
    'process_instance_id' => $processInstanceId,
    'operation' => $operation
);

$dataJson = json_encode($data);

$options = array(
    'http' => array(
        'header'  => "Content-Type: application/json
",
        'method'  => 'POST',
        'content' => $dataJson
    )
);

$context  = stream_context_create($options);
$response = file_get_contents($url, false, $context);
$result = json_decode($response, true);

if ($result['errcode'] == 0) {
    echo '审批操作成功';
} else {
    echo '审批操作失败：' . $result['errmsg'];
}

?>

6. Summary

This article uses PHP as an example to introduce how to use the DingTalk interface to develop a mobile approval application. Through the steps of obtaining access_token, initiating approval application, querying approval status and approval operations, you can complete the development of a simple mobile approval application. Of course, in actual development, more complex business logic processing and interface design can be carried out according to needs.

I hope this article will be helpful for the mobile approval application development of DingTalk interface and PHP, and can provide some reference and guidance for developers. I wish you all the best in your mobile app development!

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