text 根据规则生成第一个新的顺序号

Posted 2021-05-01

//根据规则生成第一个新的顺序号
    public static String getSerial(Connection conn,ZjLogger logger,ModuleUtil moduleUtil)  {
    	//获取时间戳
	     Date currentTime = new Date();
	     SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMdd");
	     String timeString = formatter.format(currentTime);
          
	    //按条件查出最大的顺序号
	     String number = "0000";
	     String serial = timeString+number;
	     String qryMax="select max(TRANSFER_NO) from PBC_TRANSFER_APPLY_INNER where substr(TRANSFER_NO,0,8) =? ";   
	     List<SQLPara> sqlParas = new ArrayList<SQLPara>();
 		 sqlParas.add(new SQLPara("substr(TRANSFER_NO,0,8)",Types.VARCHAR,timeString));
	     try {
			CachedRowSet codeResult = DbOperate.executeQueryByParamName(qryMax, sqlParas, conn, logger);
			codeResult.last();
			Integer a = codeResult.getRow();
			codeResult.beforeFirst();
			while(codeResult.next()&&a>0) {
				serial = codeResult.getString("max(TRANSFER_NO)");
				Long temp =Long.parseLong(serial);
				temp=temp+1;
				//生成6位顺序号
				serial = temp.toString();
			}
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}   
	     logger.debug("serial:"+serial);
	     return serial;
	  }