解决导出png pdf问题

src/main/webapp/static/global/plugins/highcharts/js/offline-exporting.js

@@ -277,13 +277,9 @@ License: www.highcharts.com/license
 				downloadPNG: {
 					textKey: "downloadPNG",
 					onclick: function () {
-						console.log(this)
-						console.log(chart_main)
 						this.legend.itemStyle.color='#000000'
 						this.exportChartLocal()
 						this.legend.itemStyle.color='#ffffff'
-						console.log('ok')
-						console.log(this)
 					}
 				},
 				downloadJPEG: {

src/main/webapp/static/pages/scripts/echart.js

@@ -266,8 +266,23 @@
     						dataLabels: {
     							enabled: true,
 								allowOverlap: true, // 允许数据标签重叠
+								color:'#000000'
     						},
     					},
+    					xAxis: [{
+    						labels: {
+    							style: {
+    								color: '#000000'
+    							}
+    						}
+    					}],
+    					yAxis: [{
+    						labels: {
+    							style: {
+    								color: '#000000'
+    							}
+    						}
+    					}]
     				}
     			},
     			buttons: {
@@ -473,7 +488,7 @@
     			data: [pktNum,byteLen],
     		});*/
 	   });
-    	var chart = Highcharts.chart('chart_3',{
+    	 var chart = Highcharts.chart('chart_3',{
     		chart: {
 	    			backgroundColor: 'rgba(255, 255, 255, 0)',
 	    			plotBackgroundColor:null,
@@ -492,7 +507,32 @@
     		exporting: {
     			allowHTML:true,
     			filename:'App'+addDateName(),
-    			buttons: exportingButton('#415262')
+    			buttons: exportingButton('#415262'),
+    			chartOptions: {
+    				plotOptions: {
+    					series: {
+    						dataLabels: {
+    							enabled: true,
+    							color:'#000000'
+    						}
+    					}
+    				},
+    				xAxis: [{
+    					categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
+    					labels: {
+    						style: {
+    							color: '#000000'
+    						}
+    					}
+    				}],
+					yAxis: [{
+						labels: {
+							style: {
+								color: '#000000'
+							}
+						}
+					}]
+    			}
     		},
     		noData:{
     			style: {//设置字体颜色