jquery validation ajax 验证

　　<link href="${base}/res/basic/css/jquery/validationEngine/validationEngine.jquery.css" rel="stylesheet" type="text/css" />

　　<script type="text/javascript" src="${base}/res/basic/js/jquery/validationEngine/jquery.validationEngine.js" charset="utf-8"></script>
　　<script type="text/javascript" src="${base}/res/basic/js/jquery/validationEngine/jquery.validationEngine-zh_CN.js" charset="utf-8"></script>

<@e.password  maxlength="32" name="passwordOld" id="code" label="原密码" required="true" class="validate[required,ajax[ajaxPasswordCallPhpFront]]" onfocus="this.type='password'" vld="{required:true,remote:'v_checkPwd.jspx',messages:{remote:'密码不对'}}" autocomplete="off" style="margin-left:5px;"/>

"ajaxPasswordCallPhp": {
                    "url": "../admin/v_checkPwd.do",
                    // you may want to pass extra data on the ajax call
                    "extraData": "",
                    // if you provide an "alertTextOk", it will show as a green prompt when the field validates
                    "alertTextOk": "密码正确",
                    "alertText": "* 密码错误",
                    "alertTextLoad": "* 正在确认密码是否正确，请稍等。"
                }


/**
 * 验证密码
 * @param passwordOld
 * @param request
 * @param response
 */
@RequestMapping("/js/admin/v_checkPwd.do")
public void checkPwd(String fieldId, @RequestParam("fieldValue")String passwordOld, HttpServletRequest request, HttpServletResponse 
        response){
    JsUserInfo user = CmsUtils.getUser(request);
    boolean pass = jbuService.isPasswordValid(user.getUserId(), passwordOld);
    ResponseUtils.renderJson(response, "[""+fieldId+"","+pass+",""+(pass ? "密码正确" : "密码不正确")+""]");
}