基于若依的ruoyi-nbcio流程管理系统自定义业务回写状态的一种新方法（一）

/**
 * 用户任务监听器，根据传入的字段参数，回写自定义业务表单字段值
 *
 * @author nbacheng
 * @since 2024/2/01
 */
@Component(value = "UpdateFieldListener")
public class UpdateFieldListener implements TaskListener {
  /**
     * 注入字段（名称与流程设计时字段名称一致）
     */
  private Expression status;
  
  @Override
  public void notify(DelegateTask delegateTask) {
    // 实现你的任务监听器逻辑
    String procInsId = delegateTask.getProcessInstanceId();
    CommonService commonService = SpringContextUtils.getBean(CommonService.class);
    HistoryService historyService = SpringContextUtils.getBean(HistoryService.class);
    boolean bOperate = false;
    //对于撤回,退回,收回等都要做过滤处理
    Object object = delegateTask.getVariable("recall");
    if ( object != null) {
      bOperate = (boolean) delegateTask.getVariable("recall");
        if (bOperate) return;
    }
    
    HistoricProcessInstance hi = historyService.createHistoricProcessInstanceQuery()
                .processInstanceId(procInsId)
                .singleResult();
        if (hi != null) {
      String dataId =  hi.getBusinessKey();
      String statusValue = status.getValue(delegateTask).toString();
      if(dataId != null && statusValue !=null) {
        commonService.UpdateData(dataId, statusValue);
      } 
        }
  }

@Override
  public void UpdateData(String dataId, String statusValue) {
    //设置自定义表单dataid的数据 
        WfMyBusiness flowmybusiness = wfMyBusinessServiceImpl.getByDataId(dataId);
        String serviceImplName = flowmybusiness.getServiceImplName();
        WfCallBackServiceI flowCallBackService = (WfCallBackServiceI) SpringContextUtils.getBean(serviceImplName);
        if (flowCallBackService!=null){
          flowCallBackService.updateStatusBydataId(dataId, statusValue); 
        } 
  }

/**
     * 根据业务id更新状态值<br/>
     * @param dataId,statusValue
     * @return
     */
    void updateStatusBydataId(String dataId, String statusValue);