使用jsp和spring中的ajax从数据库中获取数据

Question

      i have dropdown a label in that already values are  coming from database using spring jsp & mysql , now i need to apply ajax search in my dropdown or text box .How can i apply in my jsp spring forms ??

例如： 控制器@ @RequestMapping（value =＆＃34; / addBank1＆＃34;）     public ModelAndView addBank（ModelMap model，@ RequestParam String entityType）{

    ArrayList<HashMap<String, String>> allbankAccounts = accService
            .getAllbankAccounts(entityType);
    model.addAttribute("allbankAccounts", allbankAccounts);

}

JSP @

                       <p class="text-muted font-13">
            <strong>Bank name </strong>                               
            <span class="m-l-15">
            <form:select class="form-
              control" path="empQufnId" title="Select" id="report">
          <form:option value="" label="Select 
          bank name" />
          <c:forEach items="${allbankAccounts}" 
          var="sal" varStatus="status"
            <form:option path="empQufnId" 
           value="${sal.bankId}" >${sal.bankName}</form:option>     
                        </c:forEach>
                        </form:select>