// 历史活动查看(某一次流程的执行经历的多少步) @Test public void queryHistoricActivityInstance() throws Exception {  String processInstanceId = "1401";  List<HistoricActivityInstance> hais = historyService.createHistoricActivityInstanceQuery()    // 过滤条件    .processInstanceId(processInstanceId )    // 分页条件//     .listPage(firstResult, maxResults)    // 排序条件    .orderByHistoricActivityInstanceEndTime().asc()    // 执行查询    .list();  for (HistoricActivityInstance hai : hais) {   System.out.print("activitiId:" + hai.getActivityId()+"，");   System.out.print("name:" + hai.getActivityName()+"，");   System.out.print("type:" + hai.getActivityType()+"，");   System.out.print("pid:" + hai.getProcessInstanceId()+"，");   System.out.print("assignee:" + hai.getAssignee()+"，");   System.out.print("startTime:" + hai.getStartTime()+"，");   System.out.print("endTime:" + hai.getEndTime()+"，");   System.out.println("duration:" + hai.getDurationInMillis());  } }

// 历史流程实例查看（查找按照某个规则一共执行了多少次流程） @Test public void queryHistoricProcessInstance() throws Exception {  // 获取历史流程实例的查询对象  HistoricProcessInstanceQuery historicProcessInstanceQuery = historyService.createHistoricProcessInstanceQuery();  // 设置查询参数  historicProcessInstanceQuery   //过滤条件   .processDefinitionKey("varTest")   // 分页条件//     .listPage(firstResult, maxResults)   // 排序条件   .orderByProcessInstanceStartTime().desc();  // 执行查询  List<HistoricProcessInstance> hpis = historicProcessInstanceQuery.list();  // 遍历查看结果  for (HistoricProcessInstance hpi : hpis) {   System.out.print("pid:" + hpi.getId()+",");   System.out.print("pdid:" + hpi.getProcessDefinitionId()+",");   System.out.print("startTime:" + hpi.getStartTime()+",");   System.out.print("endTime:" + hpi.getEndTime()+",");   System.out.print("duration:" + hpi.getDurationInMillis()+",");   System.out.println("vars:" + hpi.getProcessVariables());  }  }