[完善] echarts图表完善

src/app/ui/eharts-statistics/eharts-statistics.component.ts

@@ -135,7 +135,7 @@ export class EhartsStatisticsComponent implements OnInit {
     let catalogs = [] //学习目标
     let counts = [] //统计次数
     let newData = data.sort( function (a,b) {
-      return a.count - b.count
+      return b.count - a.count
     } )
     newData.forEach(element => {
       postNames.push(element.postName)
@@ -167,22 +167,27 @@ export class EhartsStatisticsComponent implements OnInit {
         boundaryGap: [0, 0.01]
       },
       yAxis: {
+        inverse: true,
         "axisLine":{       //y轴
           "show":false
         },
         "axisTick":{       //y轴刻度线
-          "show":false
+          "show":false,
         },
         "splitLine": {     //网格线
           "show": false
         },
         type: 'category',
-        data: postNames
+        data: postNames,
+        max: function (value) {
+          return 100/postNames.length;
+        },
       },
       series: [
         {
           type: 'bar',
           data: counts,
+          barMaxWidth: 40, // 最大宽度
           itemStyle:{
             normal:{
               color:'#40B4E8',