定時器

​
    var intervalId = window.setInterval(function (args) {
            var areaid = $("#tabs").val();
            if (areaid != "" && areaid != null) {   //定時器輪詢的條件
                getCarPosition();                   //定時器輪詢的方法
            }
        }, 5000);


    function getCarPosition() {
        $.ajax({
            url: context_path + "/後臺方法的路徑?areaId=" + $("#tabs").val(),
            type: "post",
            dataType: "JSON",
            success: function (data) {  //data:後臺返回的值
                $(".truck").remove();
                if (data != null) {
                    for (var i = 0; i < data.length; i++) {
                        var order = i + 1;
                        truckPosition(data[i].xsize, data[i].ysize, data[i].sceneCode,data[i].forkliftName, order);
                    }
                } else {
                    /*window.clearInterval(interval);   //清除定時器
                    layer.msg("獲取失敗", {icon: 2, time: 1200})*/
                }
            }

        });
    }
     
 

​