DingTalk Interface and PHP Process Approval Application Development Guide

DingTalk Interface and PHP Process Approval Application Development Guide

As enterprises continue to advance in digital transformation, many organizations are beginning to look for a way to simplify and optimize internal processes. As an enterprise-level application that integrates office work, communication, and collaboration, DingTalk has the potential to meet the needs of internal process management of enterprises. This article will guide you on how to use the DingTalk interface and PHP to develop a process approval application, and give code examples.

1. Preparation
   Before you start, you need to create a DingTalk developer account, log in to the DingTalk open platform, and create an enterprise application.
2. Obtain interface permissions
   After creating an enterprise application, you need to obtain interface permissions first. In the permission management of DingTalk Open Platform, find the approval application, and then obtain the following necessary permissions: approval permissions, address book permissions, and user permissions.
3. Configure callback address
   When developing a DingTalk application, we need to configure a callback address to receive DingTalk notifications. You can configure the callback URL in the enterprise application settings and ensure that the URL can be normally accessed by the DingTalk server.
4. Access to DingTalk Approval Interface
   First, you need to import DingTalk’s SDK library file and initialize it:

require_once 'dingtalk-sdk-php/TopSdk.php'; $dingding = new TopClient(); $dingding->appkey = 'your_appkey'; $dingding->secretKey = 'your_secretKey';

5. Initiate an approval application
   Before initiating an approval application, you need to create a process template. The process template contains information such as approval nodes, approvers, form fields, etc. We can create process templates through the interface provided by DingTalk, or use the official Demo template.

Next, we initiate an approval application by calling the interface:

$api = '/topapi/processinstance/create'; $params = [ 'agent_id' => 'your_agent_id', 'process_code' => 'your_process_code', 'originator_user_id' => 'your_originator_user_id', 'dept_id' => 'your_dept_id', 'form_component_values' => 'your_form_values', 'approvers' => 'your_approvers', ]; $response = $dingding->execute($api, $params);

Among them,agent_idrepresents the application ID, andprocess_coderepresents the process Template code,originator_user_idrepresents the user ID of the initiator,dept_idrepresents the department ID of the initiator,form_component_valuesrepresents the form field value,approversrepresents Approver.

6. Processing Approval Result Callback
   After initiating the application, DingTalk will call back the approval result to your server. You need to write a processing method in the callback URL to receive and process the approval results.

$api = '/call_back/register_call_back'; $params = [ 'call_back_tag' => ['bpms_task_change'], 'token' => 'your_token', 'aes_key' => 'your_aes_key', 'url' => 'your_callback_url', ]; $response = $dingding->execute($api, $params);

Among them,call_back_tagrepresents the event type of the callback. We selectedbpms_task_change, which represents the task status change event;tokenandaes_keyis the key used to encrypt and decrypt callback data;urlis the callback URL.

After receiving the callback, you can obtain the specific information of the approval result by parsing the callback data and perform corresponding operations.

7. Implementation of other functions
   In addition to initiating applications and processing callbacks, you can also further develop other functions, such as obtaining approval details, querying approval progress, etc.

$api = '/topapi/processinstance/get'; $params = [ 'process_instance_id' => 'your_process_instance_id', ]; $response = $dingding->execute($api, $params);

Among them,process_instance_idrepresents the process instance ID, which can be obtained after initiating the application.

By calling different interfaces, you can further customize and develop a powerful and efficient process approval application according to your business needs.

Summary:
This article briefly introduces the process of approving applications using the DingTalk interface and PHP development process, and gives relevant code examples. I hope that by reading this article, you can master the basic development process and provide an efficient and intelligent solution for enterprise process management. However, it should be noted that during the specific development process, you need to refer to DingTalk official documents, API descriptions and demos, and develop based on your own actual needs.

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