var domain_id = $('#domain_id').val();
                    $.ajax({
                        url : "/auction_list",
                        type : "GET",
                        dataType : "json",
                        data : {domain_id : domain_id},
                        success : function(result){
                            if(result.errcode == 0){
                                var datas = result.data;
                                for( var i = 0;i < datas.length;i++){
                                    var str = "
"
                                    str += "
"
                                    if(!datas[i].headimgurl){
                                    str += "";   
                                    }else{
                                    str +="";    
                                    }
                                    str += "
"
                                    str += "
ID："+ datas[i].uid+"
"
                                    str += "
"+ datas[i].auction_datetime +"
"
                                    str += "
"
                                    str += "价格："+ (datas[i].price).slice(0, -2) +"";
                                    if( i == 0){
                                      str += ""+""  
                                    }
                                    str += "
"
                                    str += "
"
                                    str += "在线竞拍"+""
                                    str += "
"
                                    str += "
";
                                    $(".auction-list").append(str);
                                }
                            }
                                
                        }
                    })
                    
                    
                直接显示传过来的数据，可是当有新数据时，怎么就刷新新数据，其他的数据不刷新？