文本框上绑校验

加属性 
ajaxurl="ldcInvtHeadController.do?checkType&id=${ldcInvtHeadPage.id }&type=S"  datatype="*"

@RequestMapping(params = "checkType")
    @ResponseBody
    public ValidForm checkType(HttpServletRequest request) {
        ValidForm v = new ValidForm();
        String typecode=oConvertUtils.getString(request.getParameter("param"));
        String id=oConvertUtils.getString(request.getParameter("id"));
        String ietype=oConvertUtils.getString(request.getParameter("type"));
        String hql = "select count(*) from LDC_INVT_HEAD where   (BILLFLAG!='2' or  BILLFLAG is NULL) and (CUSTOM_STATE!='6' or  CUSTOM_STATE is NULL) ";


        if(ietype.equals("I")) {
            hql=hql+"  and ORDERBOOKBILLNO='"+typecode+"'  ";
        }
        if(ietype.equals("E")) {
            hql=hql+"  and INVOICE='"+typecode+"'  ";
        }
        if(ietype.equals("P")) {
            hql=hql+"  and BOND_INVT_NO='"+typecode+"'  ";
        }
        if(ietype.equals("S")) {
            hql=hql+"  and ETPS_INNER_INVT_NO='"+typecode+"'  ";
        }
        if(StringUtil.isNotEmpty(id)) {
            hql=hql+"  and id!='"+id+"'";
        }


        String types = jdbcTemplate.queryForObject(hql, String.class);
        if(!types.equals("0"))
        {
            v.setInfo("类型已存在");
            v.setStatus("n");
        }
        return v;
    }

@RequestMapping(params = "checkType")
    @ResponseBody
    public ValidForm checkType(HttpServletRequest request) {
        ValidForm v = new ValidForm();
        String typecode=oConvertUtils.getString(request.getParameter("param"));
        String id=oConvertUtils.getString(request.getParameter("id"));
        String ietype=oConvertUtils.getString(request.getParameter("type"));
        String hql = "select count(*) from LDC_INVT_HEAD where   (BILLFLAG!='2' or  BILLFLAG is NULL) and (CUSTOM_STATE!='6' or  CUSTOM_STATE is NULL) ";


        if(ietype.equals("I")) {
            hql=hql+"  and ORDERBOOKBILLNO='"+typecode+"'  ";
        }
        if(ietype.equals("E")) {
            hql=hql+"  and INVOICE='"+typecode+"'  ";
        }
        if(ietype.equals("P")) {
            hql=hql+"  and BOND_INVT_NO='"+typecode+"'  ";
        }
        if(ietype.equals("S")) {
            hql=hql+"  and ETPS_INNER_INVT_NO='"+typecode+"'  ";
        }
        if(StringUtil.isNotEmpty(id)) {
            hql=hql+"  and id!='"+id+"'";
        }


        String types = jdbcTemplate.queryForObject(hql, String.class);
        if(!types.equals("0"))
        {
            v.setInfo("类型已存在");
            v.setStatus("n");
        }
        return v;
    }