流量统计导出图表修改文件名称，加后缀时间，导出csv的增加标题日期

src/main/webapp/WEB-INF/views/dashboard/trafficHttpStatisticList.jsp

@@ -169,6 +169,7 @@ $(".export-btn").click(function(){
 	getPageData(1,999999);// 设置导出页条数
 	var start=$("#beginDate").val();
 	var end=$("#endDate").val();
+	var nowDate=new Date();
 	var	htmlTitle="";
 	htmlTitle+="<tr class='tr-title'>";
 	htmlTitle+= "<th class='tc' colspan='1'>"+"<spring:message code='service'/>"+"</th>";
@@ -179,7 +180,7 @@ $(".export-btn").click(function(){
 		headings:true,
 		footers:true,
 		formats:[dataType],
-		fileName:"service",
+		fileName:"service"+nowDate.getFullYear()+(nowDate.getMonth()+1)+nowDate.getDate(),
 		bootstrap:false
 	});
 	$("#myexport").click();