新增邮件群发和数据可视化

mail-vue/src/echarts/index.js

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+
+import * as echarts from 'echarts/core';
+
+import { BarChart,PieChart,LineChart,GaugeChart} from 'echarts/charts';
+// 引入标题，提示框，直角坐标系，数据集，内置数据转换器组件，组件后缀都为 Component
+import {
+    TooltipComponent,
+    GridComponent,
+} from 'echarts/components';
+// 标签自动布局、全局过渡动画等特性
+// 引入 Canvas 渲染器，注意引入 CanvasRenderer 或者 SVGRenderer 是必须的一步
+import { CanvasRenderer } from 'echarts/renderers';
+import { LegendComponent } from 'echarts/components';
+// 注册必须的组件
+echarts.use([
+    GaugeChart,
+    LegendComponent,
+    PieChart,
+    TooltipComponent,
+    GridComponent,
+    BarChart,
+    LineChart,
+    CanvasRenderer
+]);
+
+export default echarts