update更新提交后数据库未发生变化，代码如下：

   NutTxDao tx = new NutTxDao(daoTemplate.getDataSource());
        try  {
            // 事务开启
            tx.beginRC();
            for (Map.Entry<String, Object> entry : queMap.entrySet()) {
                String tabname = entry.getKey();
                List<?> tablist = (ArrayList) entry.getValue();
                if(tablist.size()!=0){
                    for (Object tabobj : tablist) {
                        Map<String, Object> inmap = (Map<String, Object>) tabobj;
                        inmap.put(".table", tabname);
                        cureMap.put("tabname", tabname);
                        Map parmMap = this.getTabMess(cureMap, tx);
                        if ((Boolean) parmMap.get("flag")) {
                            inmap.putAll((Map)parmMap.get("parm")); // 插入时带入主键
                            tx.insert(inmap);
                        } else {
                            tx.update(inmap,Cnd.where((String)parmMap.get("cond"),"=",cureMap.get(parmMap.get("cond"))));
                            // 这个地方我更新后提交完数据库不变
                        }
                    }
                }
            }
            tx.commit();