jsp按鈕怎麼傳遞兩個參數給背景

<td><a  href="#" οnclick="openDialogView('檢視平台管理-企業金融-稽核記錄', '${ctx}/approvedmemo/businessFinance/form?businessType=${businessFinance.businessType}&id=${businessFinance.id}','800px', '500px')">
                    <fmt:formatDate value="${businessFinance.auditTime}" pattern="yyyy-MM-dd HH:mm:ss"/>
        </a></td>      

@RequestMapping(value = "form")
  public String form(BusinessFinance businessFinance, Model model) {
    model.addAttribute("businessFinance", businessFinance);
    return "modules/om/approvedmemo/businessFinanceForm";
  }