@RequestMapping(value="/searchRecordBlackListByCardId.json")
public String searchRecordBlackListByCardId(HttpServletRequest request,HttpServletResponse response,String cardId,ModelMap mm){
response.setContentType("application/json;charset=UTF-8");
PwCardSpeciallist pcs = blackListService.getRecordBlackListByCardId(cardId);
mm.addAttribute("pwCardSpeciallist", pcs);
return "jsonView";
}

<bean id="jsonView" class="net.sf.json.spring.web.servlet.view.JsonView"/>

<bean id="beanNameResolver" class="org.springframework.web.servlet.view.BeanNameViewResolver">
   <property name="order" value="0" />
 </bean>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:viewClass="org.springframework.web.servlet.view.JstlView" 
p:order="100"
p:prefix="/WEB-INF/jsp/"
p:suffix=".jsp" />

<script type="text/javascript">
$(document).ready(function(){
$("#searchBlack").click(function(){
$.get('${requestScope.basePath}searchRecordBlackListByCardId.json', { 
  cardId : encodeURI( '123456789' ) 
  }, function (data, textStatus){
  alert(data.pwCardSpeciallist.cardId);
  },'json');
return false;
})
});
</script>