jqueryFormvalidator Ajax修改数据验证是否存在

var accErrorMsg = "请输入客户分类名称"; 
//表单数据验证 
$(function(){ 
                //$.formValidator.initConfig({formid:"myform",autotip:true});    
        $.formValidator.initConfig({ 
                    formid:"myform", 
                    autotip:true 
                }); 
                 
                $("#name").formValidator({ 
                onshow:"请输入客户分类名称", 
                onfocus:"2至20个字符", 
                oncorrect:"输入正确"}).functionValidator({ 
                                        fun: function(){ 
                                            var roleName = $("#name").val(); 
                                            if(trim(roleName)=="") 
                                            { 
                                                 accErrorMsg = "请输入客户分类名称"; 
                                                 return accErrorMsg; 
                                            }else if(trim(roleName).length==1 ||trim(roleName).length>20){ 
                                                 accErrorMsg="2至20个字符"; 
                                                 return accErrorMsg; 
                                            } 
                                            else 
                                            {                                                
                                                return true; 
                                            } 
                                        } 
                                    }).ajaxValidator({ 
                                        type:"post", 
                                        url: "${basePath}clientSortSTManage/clientSortST!isClientSortNameExist.action", 
                                        datatype: "json", 
                                        timeout: 3000,   
                                        success: function(data) 
                                        { 
                                            //将老角色名与新角色名比较，如果一样判为通过 
                                            var oldName = $('#oldName').val(); 
                                         
                                            var rName = $('#name').val();    
                                            if(oldName && oldName==rName) 
                                            { 
                                                return true; 
                                            }        
                                         
                                            //根据ajax返回结果判断       
                                            var correct = data.correct; 
                                            if(correct) 
                                            { 
                                                return true; 
                                            } 
                                            else 
                                            { 
                                                return false; 
                                            } 
                                             
                                             
                                        },                               
                                        error: function() 
                                        { 
                                            artalert("服务繁忙,请稍后再试!"); 
                                        }, 
                                        onerror : "客户分类名称已存在，请更换客户分类名称", 
                                        onwait : "正在对客户分类名称进行校验，请稍候…" 
                                    }).defaultPassed(); 
})