审批流程预览
POST {{base_url}}/approval/v4/instances/preview
参考接口文档：审批流程预览
Request Params
| Key | Datatype | Required | Description |
|---|---|---|---|
user_id_type | string | 用户 ID 类型。可选值：open_id、union_id、user_id |
Request Body
{"approval_code"=>"", "department_id"=>"", "form"=>"", "instance_code"=>"", "locale"=>"zh-CN: 中文 en-US: 英文", "task_id"=>"", "user_id"=>""}