activiti中有两种网关：并行网关，排他网关。

　　排他网关用于任务选择等情况，流程图如下

　　

　　bpnm代码如下

　　

<?xml version="1.0" encoding="UTF-8"?>

<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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">

  <process id="exclusiveGateWay" name="exclusiveGateWayProcess" isExecutable="true">

    <startEvent id="startevent1" name="Start"></startEvent>

    <userTask id="usertask1" name="费用报销申请" activiti:assignee="王小五"></userTask>

    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="usertask1"></sequenceFlow>

    <userTask id="usertask2" name="审批【部门经理】" activiti:assignee="赵小六"></userTask>

    <userTask id="usertask3" name="财务" activiti:assignee="胡小八"></userTask>

    <userTask id="usertask4" name="审批【总经理】" activiti:assignee="田小七"></userTask>

    <exclusiveGateway id="exclusivegateway1" name="Exclusive Gateway" default="默认执行财务"></exclusiveGateway>

    <sequenceFlow id="flow2" sourceRef="usertask1" targetRef="exclusivegateway1"></sequenceFlow>

    <sequenceFlow id="flow3" name="金额小于等于1000，大于等于500" sourceRef="exclusivegateway1" targetRef="usertask2">

      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${money>=500 && money<=1000}]]></conditionExpression>

    </sequenceFlow>

    <sequenceFlow id="默认执行财务" name="默认执行财务" sourceRef="exclusivegateway1" targetRef="usertask3"></sequenceFlow>

    <sequenceFlow id="flow5" name="金额大于1000元" sourceRef="exclusivegateway1" targetRef="usertask4">

      <conditionExpression xsi:type="tFormalExpression"><![CDATA[${money>1000}]]></conditionExpression>

    </sequenceFlow>

    <endEvent id="endevent1" name="End"></endEvent>

    <sequenceFlow id="flow6" sourceRef="usertask2" targetRef="endevent1"></sequenceFlow>

    <sequenceFlow id="flow7" sourceRef="usertask3" targetRef="endevent1"></sequenceFlow>

    <sequenceFlow id="flow8" sourceRef="usertask4" targetRef="endevent1"></sequenceFlow>

  </process>

  <bpmndi:BPMNDiagram id="BPMNDiagram_exclusiveGateWay">

    <bpmndi:BPMNPlane bpmnElement="exclusiveGateWay" id="BPMNPlane_exclusiveGateWay">

      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">

        <omgdc:Bounds height="35.0" width="35.0" x="340.0" y="50.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">

        <omgdc:Bounds height="55.0" width="105.0" x="305.0" y="140.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">

        <omgdc:Bounds height="55.0" width="105.0" x="80.0" y="390.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">

        <omgdc:Bounds height="35.0" width="35.0" x="340.0" y="560.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask3" id="BPMNShape_usertask3">

        <omgdc:Bounds height="55.0" width="105.0" x="305.0" y="390.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask4" id="BPMNShape_usertask4">

        <omgdc:Bounds height="55.0" width="105.0" x="550.0" y="380.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="exclusivegateway1" id="BPMNShape_exclusivegateway1">

        <omgdc:Bounds height="40.0" width="40.0" x="337.0" y="260.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">

        <omgdi:waypoint x="357.0" y="85.0"></omgdi:waypoint>

        <omgdi:waypoint x="357.0" y="140.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">

        <omgdi:waypoint x="357.0" y="195.0"></omgdi:waypoint>

        <omgdi:waypoint x="357.0" y="260.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">

        <omgdi:waypoint x="357.0" y="300.0"></omgdi:waypoint>

        <omgdi:waypoint x="132.0" y="390.0"></omgdi:waypoint>

        <bpmndi:BPMNLabel>

          <omgdc:Bounds height="42.0" width="100.0" x="-117.0" y="-35.0"></omgdc:Bounds>

        </bpmndi:BPMNLabel>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5">

        <omgdi:waypoint x="357.0" y="300.0"></omgdi:waypoint>

        <omgdi:waypoint x="602.0" y="380.0"></omgdi:waypoint>

        <bpmndi:BPMNLabel>

          <omgdc:Bounds height="14.0" width="84.0" x="16.0" y="-15.0"></omgdc:Bounds>

        </bpmndi:BPMNLabel>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6">

        <omgdi:waypoint x="132.0" y="445.0"></omgdi:waypoint>

        <omgdi:waypoint x="357.0" y="560.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7">

        <omgdi:waypoint x="357.0" y="445.0"></omgdi:waypoint>

        <omgdi:waypoint x="357.0" y="560.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8">

        <omgdi:waypoint x="602.0" y="435.0"></omgdi:waypoint>

        <omgdi:waypoint x="357.0" y="560.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="默认执行财务" id="BPMNEdge_默认执行财务">

        <omgdi:waypoint x="357.0" y="300.0"></omgdi:waypoint>

        <omgdi:waypoint x="357.0" y="390.0"></omgdi:waypoint>

        <bpmndi:BPMNLabel>

          <omgdc:Bounds height="14.0" width="72.0" x="10.0" y="0.0"></omgdc:Bounds>

        </bpmndi:BPMNLabel>

      </bpmndi:BPMNEdge>

    </bpmndi:BPMNPlane>

  </bpmndi:BPMNDiagram>

</definitions>

　　并行网关如下图所示

　　

　　bpnm代码如下

　　

<?xml version="1.0" encoding="UTF-8"?>

<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 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">

  <process id="parallelGateWay" name="parallelGateWayProcess" isExecutable="true">

    <startEvent id="startevent1" name="Start"></startEvent>

    <userTask id="usertask1" name="付款" activiti:assignee="买家"></userTask>

    <userTask id="usertask2" name="发货" activiti:assignee="商家"></userTask>

    <userTask id="usertask3" name="收款" activiti:assignee="商家"></userTask>

    <userTask id="usertask4" name="收货" activiti:assignee="买家"></userTask>

    <endEvent id="endevent1" name="End"></endEvent>

    <parallelGateway id="parallelgateway1" name="Parallel Gateway"></parallelGateway>

    <sequenceFlow id="flow1" sourceRef="startevent1" targetRef="parallelgateway1"></sequenceFlow>

    <sequenceFlow id="flow2" sourceRef="parallelgateway1" targetRef="usertask1"></sequenceFlow>

    <sequenceFlow id="flow3" sourceRef="parallelgateway1" targetRef="usertask2"></sequenceFlow>

    <sequenceFlow id="flow4" sourceRef="usertask1" targetRef="usertask3"></sequenceFlow>

    <sequenceFlow id="flow5" sourceRef="usertask2" targetRef="usertask4"></sequenceFlow>

    <parallelGateway id="parallelgateway2" name="Parallel Gateway"></parallelGateway>

    <sequenceFlow id="flow6" sourceRef="usertask3" targetRef="parallelgateway2"></sequenceFlow>

    <sequenceFlow id="flow7" sourceRef="usertask4" targetRef="parallelgateway2"></sequenceFlow>

    <sequenceFlow id="flow8" sourceRef="parallelgateway2" targetRef="endevent1"></sequenceFlow>

  </process>

  <bpmndi:BPMNDiagram id="BPMNDiagram_parallelGateWay">

    <bpmndi:BPMNPlane bpmnElement="parallelGateWay" id="BPMNPlane_parallelGateWay">

      <bpmndi:BPMNShape bpmnElement="startevent1" id="BPMNShape_startevent1">

        <omgdc:Bounds height="35.0" width="35.0" x="380.0" y="50.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask1" id="BPMNShape_usertask1">

        <omgdc:Bounds height="55.0" width="105.0" x="180.0" y="210.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask2" id="BPMNShape_usertask2">

        <omgdc:Bounds height="55.0" width="105.0" x="510.0" y="210.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask3" id="BPMNShape_usertask3">

        <omgdc:Bounds height="55.0" width="105.0" x="180.0" y="350.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="usertask4" id="BPMNShape_usertask4">

        <omgdc:Bounds height="55.0" width="105.0" x="510.0" y="350.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="endevent1" id="BPMNShape_endevent1">

        <omgdc:Bounds height="35.0" width="35.0" x="380.0" y="530.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="parallelgateway1" id="BPMNShape_parallelgateway1">

        <omgdc:Bounds height="40.0" width="40.0" x="377.0" y="130.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNShape bpmnElement="parallelgateway2" id="BPMNShape_parallelgateway2">

        <omgdc:Bounds height="40.0" width="40.0" x="377.0" y="427.0"></omgdc:Bounds>

      </bpmndi:BPMNShape>

      <bpmndi:BPMNEdge bpmnElement="flow1" id="BPMNEdge_flow1">

        <omgdi:waypoint x="397.0" y="85.0"></omgdi:waypoint>

        <omgdi:waypoint x="397.0" y="130.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow2" id="BPMNEdge_flow2">

        <omgdi:waypoint x="397.0" y="170.0"></omgdi:waypoint>

        <omgdi:waypoint x="232.0" y="210.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow3" id="BPMNEdge_flow3">

        <omgdi:waypoint x="397.0" y="170.0"></omgdi:waypoint>

        <omgdi:waypoint x="562.0" y="210.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow4" id="BPMNEdge_flow4">

        <omgdi:waypoint x="232.0" y="265.0"></omgdi:waypoint>

        <omgdi:waypoint x="232.0" y="350.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow5" id="BPMNEdge_flow5">

        <omgdi:waypoint x="562.0" y="265.0"></omgdi:waypoint>

        <omgdi:waypoint x="562.0" y="350.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow6" id="BPMNEdge_flow6">

        <omgdi:waypoint x="232.0" y="405.0"></omgdi:waypoint>

        <omgdi:waypoint x="397.0" y="427.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow7" id="BPMNEdge_flow7">

        <omgdi:waypoint x="562.0" y="405.0"></omgdi:waypoint>

        <omgdi:waypoint x="397.0" y="427.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

      <bpmndi:BPMNEdge bpmnElement="flow8" id="BPMNEdge_flow8">

        <omgdi:waypoint x="397.0" y="467.0"></omgdi:waypoint>

        <omgdi:waypoint x="397.0" y="530.0"></omgdi:waypoint>

      </bpmndi:BPMNEdge>

    </bpmndi:BPMNPlane>

  </bpmndi:BPMNDiagram>

</definitions>

　　可以方便的使用流程设计器直接设计

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