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springCloud集成activiti5.22.0流程引擎

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一.Spring boot2.x与Activiti 5.22.0整合

1.POM文件中添加依赖

<dependency><groupId>org.activiti</groupId><artifactId>activiti-spring-boot-starter-basic</artifactId><version>5.22.0</version><exclusions><!-- 排除activiti的mybatis，避免和外面的mybatis-plus冲突 --><exclusion><artifactId>mybatis</artifactId><groupId>org.mybatis</groupId></exclusion></exclusions>
</dependency>

二.制作bpmn流程文件

创建bpmn文件

右键该文件夹New–>BPMN File 创建名为leave_flow的流程文件

文件名"xxx.bpmn" 更改为 “xxx.bpmn.xml”
注: 因为activiti的默认流程图格式是bpmn, 但是idea必须xml格式才能生成图片, 所以改为这样, 后面部署流程的时候才可以部署上去, 否则是存不进数据库.

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:tns="http://www.activiti.org/testm1723732311976" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" expressionLanguage="http://www.w3.org/1999/XPath" id="m1723732311976" name="" targetNamespace="http://www.activiti.org/testm1723732311976" typeLanguage="http://www.w3.org/2001/XMLSchema"><process id="leaveProcess" isClosed="false" isExecutable="true" name="请假审批流程" processType="None"><startEvent id="STEP1" name="开始"/><userTask activiti:assignee="${userId}" activiti:exclusive="true" id="STEP2" name="员工"/><userTask activiti:assignee="${userId}" activiti:exclusive="true" id="STEP3" name="经理"/><endEvent id="STEP4" name="结束"/><sequenceFlow id="_6" sourceRef="STEP1" targetRef="STEP2"/><sequenceFlow id="_7" sourceRef="STEP2" targetRef="STEP3"/><exclusiveGateway gatewayDirection="Unspecified" id="_8" name="ExclusiveGateway"/><sequenceFlow id="_2" name="同意" sourceRef="_8" targetRef="STEP4"><conditionExpression xsi:type="tFormalExpression"><![CDATA[${accept==”同意”}]]></conditionExpression></sequenceFlow><sequenceFlow id="_3" sourceRef="STEP3" targetRef="_8"/><sequenceFlow id="_4" name="驳回" sourceRef="_8" targetRef="STEP2"><conditionExpression xsi:type="tFormalExpression"><![CDATA[${accept==”驳回”}]]></conditionExpression></sequenceFlow></process><bpmndi:BPMNDiagram documentation="background=#3C3F41;count=1;horizontalcount=1;orientation=0;width=842.4;height=1195.2;imageableWidth=832.4;imageableHeight=1185.2;imageableX=5.0;imageableY=5.0" id="Diagram-_1" name="New Diagram"><bpmndi:BPMNPlane bpmnElement="leaveProcess"><bpmndi:BPMNShape bpmnElement="STEP1" id="Shape-STEP1"><dc:Bounds height="32.0" width="32.0" x="160.0" y="40.0"/><bpmndi:BPMNLabel><dc:Bounds height="32.0" width="32.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="STEP2" id="Shape-STEP2"><dc:Bounds height="55.0" width="85.0" x="130.0" y="145.0"/><bpmndi:BPMNLabel><dc:Bounds height="55.0" width="85.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="STEP3" id="Shape-STEP3"><dc:Bounds height="55.0" width="85.0" x="135.0" y="275.0"/><bpmndi:BPMNLabel><dc:Bounds height="55.0" width="85.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="STEP4" id="Shape-STEP4"><dc:Bounds height="32.0" width="32.0" x="325.0" y="525.0"/><bpmndi:BPMNLabel><dc:Bounds height="32.0" width="32.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNShape><bpmndi:BPMNShape bpmnElement="_8" id="Shape-_8" isMarkerVisible="false"><dc:Bounds height="32.0" width="32.0" x="325.0" y="400.0"/><bpmndi:BPMNLabel><dc:Bounds height="32.0" width="32.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNShape><bpmndi:BPMNEdge bpmnElement="_2" id="BPMNEdge__2" sourceElement="_8" targetElement="STEP4"><di:waypoint x="341.0" y="432.0"/><di:waypoint x="341.0" y="525.0"/><bpmndi:BPMNLabel><dc:Bounds height="0.0" width="0.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="_3" id="BPMNEdge__3" sourceElement="STEP3" targetElement="_8"><di:waypoint x="175.0" y="330.0"/><di:waypoint x="175.0" y="410.0"/><di:waypoint x="331.0" y="410.0"/><bpmndi:BPMNLabel><dc:Bounds height="0.0" width="0.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="_4" id="BPMNEdge__4" sourceElement="_8" targetElement="STEP2"><di:waypoint x="340.0" y="401.0"/><di:waypoint x="340.0" y="285.0"/><di:waypoint x="215.0" y="172.5"/><bpmndi:BPMNLabel><dc:Bounds height="0.0" width="0.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="_6" id="BPMNEdge__6" sourceElement="STEP1" targetElement="STEP2"><di:waypoint x="176.0" y="72.0"/><di:waypoint x="176.0" y="145.0"/><bpmndi:BPMNLabel><dc:Bounds height="0.0" width="0.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNEdge><bpmndi:BPMNEdge bpmnElement="_7" id="BPMNEdge__7" sourceElement="STEP2" targetElement="STEP3"><di:waypoint x="175.0" y="200.0"/><di:waypoint x="175.0" y="275.0"/><bpmndi:BPMNLabel><dc:Bounds height="0.0" width="0.0" x="0.0" y="0.0"/></bpmndi:BPMNLabel></bpmndi:BPMNEdge></bpmndi:BPMNPlane></bpmndi:BPMNDiagram>
</definitions>

三.流程演示

分支审批

 @Overridepublic void assginLeaveWorkFlow(String processInstanceId,int isAccept,String userId) {Map<String,Object> map = new HashMap<>();//得到当前实例下的taskTask task = taskService.createTaskQuery().processInstanceId(processInstanceId).singleResult();taskService.addComment(task.getId(), processInstanceId, "审核人是否同意该请假流程");if(isAccept == 0){map.put("accept","同意");task.setAssignee(userId);map.put("userId", userId);}else{map.put("accept","驳回");//审核驳回后task.setAssignee("发起人");map.put("auditor","发起人");}task.setDescription("请假的描述信息");//执行当前这个工作流任务taskService.saveTask(task);taskService.complete(task.getId(), map);}