前置背景

[camunda结束的任务不支持查询Variables-Tesla]

完成任务

url = f"{CAMUNDA_URL}/history/task"

 {'id': 'dae8596f-1b71-11f0-afd8-0242ac19400f', 'processDefinitionKey': 'Process_0pimjiv', 'processDefinitionId': 'Process_0pimjiv:2:b00795e0-13b9-11f0-8e74-0242ac194011', 'processInstanceId': 'dad3bff4-1b71-11f0-afd8-0242ac19400f', 'executionId': 'dae7961b-1b71-11f0-afd8-0242ac19400f', 'caseDefinitionKey': None, 'caseDefinitionId': None, 'caseInstanceId': None, 'caseExecutionId': None, 'activityInstanceId': 'Activity_1r7zu6e:dae7961c-1b71-11f0-afd8-0242ac19400f', 'name': '审批节点', 'description': None, 'deleteReason': 'completed', 'owner': None, 'assignee': 'user1', 'startTime': '2025-04-17T17:53:46.655+0800', 'endTime': '2025-04-17T18:09:42.886+0800', 'duration': 956231, 'taskDefinitionKey': 'Activity_1r7zu6e', 'priority': 50, 'due': None, 'parentTaskId': None, 'followUp': None, 'tenantId': None, 'removalTime': '2025-10-14T18:09:42.897+0800', 'rootProcessInstanceId': 'dad3bff4-1b71-11f0-afd8-0242ac19400f', 'taskState': 'Completed'}]

获取到以下信息

1、任务ID：{'id': 'dae8596f-1b71-11f0-afd8-0242ac19400f'

2、实例ID：'processInstanceId': 'dad3bff4-1b71-11f0-afd8-0242ac19400f',

3、执行ID：'executionId': 'dae7961b-1b71-11f0-afd8-0242ac19400f'

查询历史变量

url = f"{CAMUNDA_URL}/history/variable-instance"

测试使用实例ID查询

[
    {
        "type": "String",
        "value": "some_value",
        "valueInfo": {},
        "id": "dad74265-1b71-11f0-afd8-0242ac19400f",
        "name": "initialField1Value",
        "processDefinitionKey": "Process_0pimjiv",
        "processDefinitionId": "Process_0pimjiv:2:b00795e0-13b9-11f0-8e74-0242ac194011",
        "processInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "executionId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "activityInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "caseDefinitionKey": null,
        "caseDefinitionId": null,
        "caseInstanceId": null,
        "caseExecutionId": null,
        "taskId": null,
        "errorMessage": null,
        "tenantId": null,
        "state": "CREATED",
        "createTime": "2025-04-17T17:53:46.537+0800",
        "removalTime": "2025-10-14T18:09:42.897+0800",
        "rootProcessInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f"
    },
    {
        "type": "String",
        "value": "user1",
        "valueInfo": {},
        "id": "dadd0ec7-1b71-11f0-afd8-0242ac19400f",
        "name": "assignee1",
        "processDefinitionKey": "Process_0pimjiv",
        "processDefinitionId": "Process_0pimjiv:2:b00795e0-13b9-11f0-8e74-0242ac194011",
        "processInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "executionId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "activityInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "caseDefinitionKey": null,
        "caseDefinitionId": null,
        "caseInstanceId": null,
        "caseExecutionId": null,
        "taskId": null,
        "errorMessage": null,
        "tenantId": null,
        "state": "CREATED",
        "createTime": "2025-04-17T17:53:46.566+0800",
        "removalTime": "2025-10-14T18:09:42.897+0800",
        "rootProcessInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f"
    },
    {
        "type": "String",
        "value": "some_value",
        "valueInfo": {},
        "id": "dae80b4d-1b71-11f0-afd8-0242ac19400f",
        "name": "field1",
        "processDefinitionKey": "Process_0pimjiv",
        "processDefinitionId": "Process_0pimjiv:2:b00795e0-13b9-11f0-8e74-0242ac194011",
        "processInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "executionId": "dae7961b-1b71-11f0-afd8-0242ac19400f",
        "activityInstanceId": "Activity_1r7zu6e:dae7961c-1b71-11f0-afd8-0242ac19400f",
        "caseDefinitionKey": null,
        "caseDefinitionId": null,
        "caseInstanceId": null,
        "caseExecutionId": null,
        "taskId": null,
        "errorMessage": null,
        "tenantId": null,
        "state": "CREATED",
        "createTime": "2025-04-17T17:53:46.638+0800",
        "removalTime": "2025-10-14T18:09:42.897+0800",
        "rootProcessInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f"
    }
]

测试使用任务ID查询

输出为空，无法查询到

测试使用执行节点查询

[
    {
        "type": "String",
        "value": "some_value",
        "valueInfo": {},
        "id": "dae80b4d-1b71-11f0-afd8-0242ac19400f",
        "name": "field1",
        "processDefinitionKey": "Process_0pimjiv",
        "processDefinitionId": "Process_0pimjiv:2:b00795e0-13b9-11f0-8e74-0242ac194011",
        "processInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f",
        "executionId": "dae7961b-1b71-11f0-afd8-0242ac19400f",
        "activityInstanceId": "Activity_1r7zu6e:dae7961c-1b71-11f0-afd8-0242ac19400f",
        "caseDefinitionKey": null,
        "caseDefinitionId": null,
        "caseInstanceId": null,
        "caseExecutionId": null,
        "taskId": null,
        "errorMessage": null,
        "tenantId": null,
        "state": "CREATED",
        "createTime": "2025-04-17T17:53:46.638+0800",
        "removalTime": "2025-10-14T18:09:42.897+0800",
        "rootProcessInstanceId": "dad3bff4-1b71-11f0-afd8-0242ac19400f"
    }
]