java反射实现例子

来源：互联网发布：部落冲突治疗升级数据编辑：程序博客网时间：2024/05/07 14:01

/**
* getCntrFromEdi

* @param ediFileBean
* @param iMainkey
* @param cntrno
* @return
*/
public Object getCntrFromEdi(EdiFileBean ediFileBean,int iMainkey,String cntrno){
  try {
   ArrayList cntrList = (ArrayList)ediFileBean.getCntrHt().get(iMainkey);
   if(cntrList!=null && cntrList.size()>0){
    for(int i = 0;i<cntrList.size();i++){
     Object objCntr = cntrList.get(i);

     Class clEdiBkcntr = objCntr.getClass();
     Method method;
     method = clEdiBkcntr.getMethod("getCntrno",null);

     Object[] arg = new Object[0];
     String cntrnoTmp = "";
     cntrnoTmp = (String)method.invoke(objCntr, arg);

     if(cntrno.equals(cntrnoTmp)){
      return objCntr;
     }
    }
   }
  } catch (SecurityException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (NoSuchMethodException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IllegalArgumentException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IllegalAccessException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (InvocationTargetException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  return null;
}