layui 加载loding图标

bProcessing：开启处理中的加载
sProcessing：页面加载数据显示具体信息

function getDataTable(){
    $('#InsectDataTable').dataTable({
        'bProcessing': true,//是否显示,处理中....
        'bServerSide': true,
        'fnServerParams': function (aoData) {
            var kaishi;
            var tiaoshu;
            for(var i=0;i<aoData.length;i++){
                if(aoData[i].name == "iDisplayStart"){
                    kaishi = aoData[i].value;
                }else if(aoData[i].name == "iDisplayLength"){
                    tiaoshu = aoData[i].value;
                }
            }
            var startTime = $.trim($("#startTime").val());
            var endTime = $.trim($("#endTime").val());
            aoData.push({
                "name": "insectData.areaId",
                "value": $("#areaId").val()
            },{
                "name": "insectData.insId",
                "value": $("#eqCode").val()
            },{
                "name": "insectData.startTime",
                "value": startTime
            }, {
                "name": "insectData.endTime",
                "value": endTime
            },{
                "name": "kaishi",
                "value": kaishi
            }, {
                "name": "tiaoshu",
                "value": tiaoshu
            });
        },
        "sAjaxSource": basePath + "insectData/getInsectDataList.action", // 获取列表
        "sServerMethod": "POST",
        "sPaginationType": "full_numbers",
        "bPaginate": true, // 翻页功能
        "bStateSave": false, // 状态保存
        "bLengthChange": true, // 改变每页显示数据数量
        "aLengthMenu" : [15, 30, 50],
        "bFilter": false, // 过滤功能
        "bSort": false, // 排序功能
        "bInfo": true, // 页脚信息
        "bAutoWidth": false, // 自动宽度
        "bDestroy": true,
        "iDisplayLength": 15, // 每页显示多少行
        "aoColumns": [ {
            "sTitle": '排序',
            "mDataProp": "no"
        }, {
            "sTitle": '名称',
            "mDataProp": "insName",
            "sClass": "conceal"
        }, {
            "sTitle": '区域名称',
            "mDataProp": "areaName",
            "sClass": "conceal"
        }, {
            "sTitle": '编号',
            "mDataProp": "eqCode"
        }, {
            "sTitle": '温度',
            "mDataProp": "temperature"
        }, {
            "sTitle": '湿度',
            "mDataProp": "humidity"
        }, {
            "sTitle": '数量',
            "mDataProp": "activation"
        }, {
            "sTitle": '采集时间',
            "mDataProp": "collecTime"
        },{
            "sTitle": '操作',
            "mDataProp": null
        }],
        "oLanguage": {
            "sLengthMenu": "每页显示 _MENU_ 条记录",
			"sZeroRecords": "抱歉， 没有找到",
			"sInfo": "从 _START_ 到 _END_ /共 _TOTAL_ 条数据  ",
			"sInfoEmpty": "",
			"sInfoFiltered": "",
			"oPaginate": {
			    "sFirst": "首页",
			    "sPrevious": "上一页",
			    "sNext": "下一页",
			    "sLast": "末页"
			},
			"sZeroRecords": "没有检索到数据",
			"sProcessing":"src='"+basePath+"'/plugins/frame/layui/css/modules/layer/default/loading-"
        },
        done:function (res) {  //返回数据执行回调函数
            layer.close(loding);  //返回数据关闭loading
        },
        "fnDrawCallback": function (oSettings) {
            $('#equipmentTable tbody  tr td').each(function () {
                this.setAttribute('title', $(this).text());
            });
            $("#total").prop("checked", false);
            var json = jQuery.parseJSON(oSettings.jqXHR.responseText);
            if (json != null && json != undefined) {
                totalCount = json.iTotalDisplayRecords;
            }
        },
        "fnInitComplete": function () {
        },
        "aoColumnDefs": [
                {
            "aTargets": [3],
            "fnRender": function (oObj) {
                var eqCode = oObj.aData.eqCode;
                return '<a href="javascript:void(0);" οnclick=insectDataTime("' + eqCode + '")>' + eqCode + '</a>';
            }
        },{
            "aTargets": [8],
            "fnRender": function (oObj) {
                var html = "";
                html += "<a data-method=\"repaire\" class=\"layui-btn layui-btn-sm layui-btn-danger layui-btn-radius\" οnclick=deleteData('"+oObj.aData.id+"')>删除</a>"
                return html;
            }
        }]

    });
}