CN-103 曲线无数据时应显示no data

src/components/charts/ChartError.vue

@@ -0,0 +1,29 @@
+<template>
+  <el-popover
+          v-if="isError"
+          placement="top-start"
+          trigger="hover"
+          popper-class="chart-error-popper"
+          :close-delay=10
+          offset="10"
+          :width="-1"
+  > <!-- :width="-1" 是为了让min-width及max-width生效，让width失效-->
+    <div >{{errorInfo}}</div>
+    <template #reference>
+    <span  class="chart-info-corner chart-info-corner--error">
+                  <i class="cn-chart-icon-warning fa "></i>
+                  <span class="chart-info-corner-inner"></span>
+              </span>
+    </template>
+  </el-popover>
+</template>
+
+<script>
+export default {
+  name: 'ChartError',
+  props: {
+    isError: Boolean,
+    errorInfo:String
+  }
+}
+</script>