// 审核
  public String audit() throws Exception {
    TaskService taskService = issueService.getTaskService();
    HttpSession session = request.getSession();
    User sessionUser = (User) session.getAttribute(LicenseWorkFlowConstants.SESSION_USER);
    User user = userService.getById(sessionUser.getId());
    Audit audit = new Audit(); // 审批意见
    String groupName = "";
    if (user.getGroups() != null && user.getGroups().size() > 0) {
      List<Group> groupList = new ArrayList<Group>();
      groupList.addAll(user.getGroups());
      groupName = groupList.get(0).getCnName();
    }
    // 设置审核的部门名称
    audit.setAuditDept(groupName);
    audit.setAuditNotion(auditNotion); // 审批意见
    audit.setAuditTime(new Date()); // 审批时间
    audit.setAuditUser(user); // 审批用户
    String outcome = ""; // 边
    if ("1".equals(result)) {
      outcome = "同意";
      audit.setAuditResult("同意");
    } else {
      outcome = "否决";
      audit.setAuditResult("不同意");
    }
    /** all the variables visible in the given task */
    Set<String> set = taskService.getVariableNames(taskId);
    /** retrieves a map of variables */
    Map<String, Object> variables = taskService.getVariables(taskId, set);
    if (issue.getId() == 0) throw new OceanRuntimeException("标识不合法");
    // 获取工单
    issue = issueService.getById(issue.getId());

    variables.put("createUser", "admin");

    // 执行任务
    taskService.completeTask(taskId, outcome, variables);
    // 修改工单的审核信息
    audit.setIssue(issue);
    Set<Audit> audits = issue.getAudits();
    audits.add(audit);
    issue.setAudits(audits);
    issueService.saveOrUpdate(issue); // 更新到库中
    return "indexAction";
  }