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public ActionForward backUpAction(ActionMapping mapping, ActionForm form,   
            HttpServletRequest request, HttpServletResponse response)   
            throws Exception {   
       
           Calendar cDay = Calendar.getInstance();   
           SimpleDateFormat myf = new SimpleDateFormat("yyyyMMddHHmmss");   
           String day = myf.format(cDay.getTime());   
           // »ñµÃConstantÖж¨ÒåµÄÊý¾Ý¿â±¸·ÝÎļþ´æ·Å·¾¶£¬¸ñʽÈ磺   
          // public static final String DataBaseBackUpPath = "D:\\sOADB\\";   
    String outputFile = Constant.DataBaseBackUpPath;   
           // Èç¹û·þÎñÆ÷¶ËÓ²ÅÌÉϲ»´æÔÚoutputFileĿ¼£¬Ôò´´½¨Õâ¸öĿ¼   
           File mydir = new File(outputFile);   
           if (!(mydir.exists())) {   
               mydir.mkdir();   
           }   
        
           // ±¸·ÝÎļ


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Oracle Function


CREATE OR REPLACE FUNCTION OFFICE.fbill_getbalance (billid NUMBER, total NUMBER)
   RETURN NUMBER
IS
   paid      NUMBER;
   balance   NUMBER;
BEGIN
   balance := total;
--get total paid
   SELECT SUM (n_paidamount)
&nb ......

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