activiti工作流引擎，是如何定义Bpmn， 以下是文件定义的案例展示。大家可以对照进行比对，以确认自己的文件是否正确。
<?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:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" xmlns:tns="http://www.activiti.org/test" 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="m1726903560146" name="" targetNamespace="http://www.activiti.org/test" typeLanguage="http://www.w3.org/2001/XMLSchema">
<process id="myProcess_1" isClosed="false" isExecutable="true" processType="None">
<startEvent id="_2" name="StartEvent"/>
<userTask activiti:exclusive="true" id="_3" name="UserTask"/>
<sequenceFlow id="_4" sourceRef="_2" targetRef="_3"/>
<endEvent id="_5" name="EndEvent"/>
<sequenceFlow id="_6" sourceRef="_3" targetRef="_5"/>
</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="myProcess_1">
<bpmndi:BPMNShape bpmnElement="_2" id="Shape-_2">
<omgdc:Bounds height="32.0" width="32.0" x="365.0" y="240.0"/>
<bpmndi:BPMNLabel>
<omgdc:Bounds height="32.0" width="32.0" x="0.0" y="0.0"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_3" id="Shape-_3">
<omgdc:Bounds height="55.0" width="80.0" x="510.0" y="230.0"/>
<bpmndi:BPMNLabel>
<omgdc:Bounds height="55.0" width="80.0" x="0.0" y="0.0"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNShape bpmnElement="_5" id="Shape-_5">
<omgdc:Bounds height="32.0" width="32.0" x="720.0" y="235.0"/>
<bpmndi:BPMNLabel>
<omgdc:Bounds height="32.0" width="32.0" x="0.0" y="0.0"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNShape>
<bpmndi:BPMNEdge bpmnElement="_4" id="BPMNEdge__4" sourceElement="_2" targetElement="_3">
<omgdi:waypoint x="397.0" y="256.0"/>
<omgdi:waypoint x="510.0" y="257.5"/>
<bpmndi:BPMNLabel>
<omgdc: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="_3" targetElement="_5">
<omgdi:waypoint x="590.0" y="257.5"/>
<omgdi:waypoint x="720.0" y="251.0"/>
<bpmndi:BPMNLabel>
<omgdc:Bounds height="0.0" width="0.0" x="0.0" y="0.0"/>
</bpmndi:BPMNLabel>
</bpmndi:BPMNEdge>
</bpmndi:BPMNPlane>
</bpmndi:BPMNDiagram>
</definitions>
