[+] Create courses prop. and pass it from overall.vue

src/pages/overall/graph-overall/graph-overall.ts

@@ -1,9 +1,12 @@
-import {Component, Vue} from 'vue-property-decorator';
+import {Component, Prop, Vue} from 'vue-property-decorator';
+import {Course} from '@/components/app/app';
 
 @Component({
 })
 export default class GraphOverall extends Vue
 {
+    @Prop({required: true}) courses: any;
+
     public chartData =
     {
         columns: ['日期', '访问用户', '下单用户', '下单率'],

src/pages/overall/overall.vue

@@ -1,7 +1,7 @@
 <template>
     <div id="overall">
         <p>这是 Overall</p>
-        <graph-overall></graph-overall>
+        <graph-overall :courses="courses"></graph-overall>
     </div>
 </template>