public void del() {
   String Codes = $V("Codes");
   if ((Codes.indexOf("\"") >= 0) || (Codes.indexOf("'") >= 0)) {
     this.response.setStatus(0);
     this.response.setMessage("传入ID时发生错误!");
     return;
   }
   Codes = XString.replaceEx(Codes, ",", "','");
   Transaction trans = new Transaction();
   ZDMemberFieldSchema field = new ZDMemberFieldSchema();
   ZDMemberFieldSet set =
       field.query(
           new QueryBuilder(
               "where SiteID = "
                   + ApplicationPage.getCurrentSiteID()
                   + " and Code in ('"
                   + Codes
                   + "')"));
   trans.add(set, OperateType.DELETE);
   if (trans.commit()) {
     this.response.setStatus(1);
     this.response.setMessage("删除成功!");
   } else {
     this.response.setStatus(0);
     this.response.setMessage("操作数据库时发生错误!");
   }
 }