动态任务分配使用的两种方式
一、通过特殊表达式，来获取任务信息 ，在流程 UserTask节点上设置 ${流程变量的Key}
1、流程定义
1 <?xml version="1.0" encoding="UTF-8"?> 2 <definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/test"> 3 <process id="userDynamicTask1" name="动态任务处理1" isExecutable="true"> 4 <startEvent id="startevent1" name="Start"></startEvent> 5 <userTask id="休假" name="休假" activiti:assignee="${user}"></userTask> 6 <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="休假"></sequenceFlow> 7 <endEvent id="endevent1" name="End"></endEvent> 8 <sequenceFlow id="flow2" sourceRef="休假" targetRef="endevent1"></sequenceFlow> 9 </process> 10 <bpmndi:BPMNDiagram id="BPMNDiagram_userDynamicTask1"> 11 <bpmndi:BPMNPlane bpmnElement="userDynamicTask1" id="BPMNPlane_userDynamicTask1"> 12 <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1"> 13 <omgdc:Bounds height="35.0" width="35.0" x="340.0" y="110.0"></omgdc:Bounds> 14 </bpmndi:BPMNShape> 15 <bpmndi:BPMNShape bpmnElement="休假" id="BPMNShape_休假"> 16 <omgdc:Bounds height="55.0" width="105.0" x="305.0" y="180.0"></omgdc:Bounds> 17 </bpmndi:BPMNShape> 18 <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1"> 19 <omgdc:Bounds height="35.0" width="35.0" x="340.0" y="270.0"></omgdc:Bounds> 20 </bpmndi:BPMNShape> 21 <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1"> 22 <omgdi:waypoint x="357.0" y="145.0"></omgdi:waypoint> 23 <omgdi:waypoint x="357.0" y="180.0"></omgdi:waypoint> 24 </bpmndi:BPMNEdge> 25 <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2"> 26 <omgdi:waypoint x="357.0" y="235.0"></omgdi:waypoint> 27 <omgdi:waypoint x="357.0" y="270.0"></omgdi:waypoint> 28 </bpmndi:BPMNEdge> 29 </bpmndi:BPMNPlane> 30 </bpmndi:BPMNDiagram> 31 </definitions>