activiti获取流程图实例

repositoryService.createDeployment()  .name("expense-process.bar")  .addClasspathResource("org/activiti/expenseProcess.bpmn20.xml")  .addClasspathResource("org/activiti/expenseProcess.png")  .deploy(); 

ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()                             .processDefinitionKey("expense")                             .singleResult();  String diagramResourceName = processDefinition.getDiagramResourceName(); InputStream imageStream = repositoryService.getResourceAsStream(processDefinition.getDeploymentId(), diagramResourceName);  

<property name="createDiagramOnDeploy" value="false" />