部署流程

 /**
     * 部署流程
     * @param serialno
     * @param variables
     * @return
     */
public ProcessInstance getRepositoryService(Map params, Map variables) {
//业务流水号
String businessKey = (String) params.get("serialno");
String userid =  (String) params.get("userid");
//流程定义id
String processDefinitionKey = (String) params.get("processDefinitionKey");
ProcessInstance processInstance = null;
try{
// 用来设置启动流程的人员ID，引擎会自动把用户ID保存到activiti:initiator中
       identityService.setAuthenticatedUserId(userid);
       processInstance = runtimeService.startProcessInstanceByKey(processDefinitionKey, businessKey, variables);
            String processInstanceId = processInstance.getId();
            logger.debug("start process of {key={}, bkey={}, pid={}, variables={}}", new Object[]{"leave", businessKey, processInstanceId, variables});
}finally {
       identityService.setAuthenticatedUserId(null);
    }
return processInstance;
}