2023-08-11 17:47:02 +08:00
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# 流程实例
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流程实例指正在运行的一个流程。数据存放在FlowInstance表中，该表核心字段如下：
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#### IsFinish：流程的当前状态
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2025-03-08 15:01:17 +08:00
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- -1 草稿/召回：流程发起人主动召回流程；
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2023-08-11 17:47:02 +08:00
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- 0 正在运行；
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- 1 完成：流程结束，同时所有的审批都通过；
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- 3 不同意：即流程结束，同时审批人员没有通过；
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- 4 驳回：流程结束，可能发起的流程内容有问题，要求被驳回重新提交；
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2025-03-08 15:01:17 +08:00
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#### ActivityId: 当前活动节点，即待审批的节点
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2023-08-11 17:47:02 +08:00
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#### ActivityType：当前节点的类型
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- -1 无法运行,
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- 0 会签开始,
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- 1 会签结束,
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- 2 一般节点,
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- 3 开始节点，
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- 4 流程运行结束
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#### SchemeContent：流程实例的具体内容
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该字段存储的是一个JSON对象，具体内容如下所示：
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```javascript
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{
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"title":"newFlow_1",
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"nodes":[
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{
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"name":"node_1",
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"left":75,
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"top":90,
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"type":"start round mix",
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"id":1521797877921,
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"width":26,
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"height":26,
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"alt":true
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},
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{
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"name":"审核",
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"left":235,
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"top":97,
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"type":"node",
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"id":1521797879744,
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"width":104,
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"height":26,
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"alt":true,
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"setInfo":{
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"NodeDesignateData":{
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"users":[
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"49df1602-f5f3-4d52-afb7-3802da619558",
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"6ba79766-faa0-4259-8139-a4a6d35784e0"
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],
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"role":{
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},
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"org":{
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}
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},
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"NodeCode":"FIRST",
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"NodeName":"审核"
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}
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},
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{
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"name":"node_3",
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"left":268,
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"top":209,
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"type":"end round",
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"id":1521797881216,
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"width":26,
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"height":26,
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"alt":true
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}
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],
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"lines":[
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{
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"type":"sl",
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"from":"1521797877921",
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"to":"1521797879744",
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"id":1521797883552,
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"name":"",
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"dash":false
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},
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{
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"type":"sl",
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"from":"1521797879744",
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"to":"1521797881216",
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"id":1521797884536,
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"name":"",
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"dash":false
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}
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],
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"areas":{
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},
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"initNum":7
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}
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```
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其中：nodes为流程实例的所有节点。lines为流程实例的所有连线。节点的type属性为节点的类型属性，对应上面提到的ActivityType：
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- -1：无法运行；
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- 0：会签开始，即type为：‘fork’；
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- 1：会签结束,即type为：’join’；
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- 2：一般节点,即type为：’node’；
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- 3：开始节点,即type为：‘start’；
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- 4：流程运行结束，即type为’end’；
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2025-03-08 15:01:17 +08:00
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与流程实例密切相关的还有两个表：流程实例的操作记录FlowInstanceOperationHistory及流转记录FlowInstanceTransitionHistory。它们有不同的作用：
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### 操作记录FlowInstanceOperationHistory
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该表记录了流程实例的所有操作记录，包括流程的创建、撤回、驳回、同意、不同意等操作。
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### 流转记录FlowInstanceTransitionHistory
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记录某个流程实例所有已审批的从一个活动节点到下一个活动节点的操作人、操作时间。
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