feat: 新增加载提示

src/views/chart/ContentLoad/index.ts

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+import ContentLoad from './index.vue'
+
+export { ContentLoad }

src/views/chart/ContentLoad/index.vue

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+<template>
+  <n-modal :show="showModal" :close-on-esc="false" transform-origin="center">
+    <div>
+      <span> 拼命加载中... </span>
+      <n-progress type="line" :color="themeColor" :percentage="percentage" style="width: 300px" />
+    </div>
+  </n-modal>
+</template>
+
+<script setup lang="ts">
+import { ref, watch, computed } from 'vue'
+import { useChartLayoutStore } from '@/store/modules/chartLayoutStore/chartLayoutStore'
+import { useDesignStore } from '@/store/modules/designStore/designStore'
+
+const chartLayoutStore = useChartLayoutStore()
+const designStore = useDesignStore()
+const showModal = ref(false)
+const percentage = ref(0)
+
+// 颜色
+const themeColor = computed(() => {
+  return designStore.getAppTheme
+})
+
+// 监听百分比
+watch(
+  () => chartLayoutStore.getPercentage,
+  newValue => {
+    percentage.value = newValue
+    showModal.value = newValue > 0
+  }
+)
+</script>