前端和后端源码，合并到一个git仓库中，方便用户下载，避免前后端不匹配的问题

jeecgboot-vue3/src/views/demo/comp/lazy/index.vue

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+<template>
+  <PageWrapper title="懒加载基础示例" content="向下滚动到可见区域才会加载组件">
+    <div class="lazy-base-demo-wrap">
+      <h1>向下滚动</h1>
+
+      <div class="lazy-base-demo-box">
+        <LazyContainer>
+          <TargetContent />
+          <template #skeleton>
+            <Skeleton :rows="10" />
+          </template>
+        </LazyContainer>
+      </div>
+    </div>
+  </PageWrapper>
+</template>
+<script lang="ts">
+  import { defineComponent } from 'vue';
+  import { Skeleton } from 'ant-design-vue';
+  import TargetContent from './TargetContent.vue';
+  import { LazyContainer } from '/@/components/Container/index';
+  import { PageWrapper } from '/@/components/Page';
+
+  export default defineComponent({
+    components: { LazyContainer, PageWrapper, TargetContent, Skeleton },
+  });
+</script>
+<style lang="less">
+  .lazy-base-demo {
+    &-wrap {
+      display: flex;
+      width: 50%;
+      height: 2000px;
+      margin: 20px auto;
+      text-align: center;
+      background-color: @component-background;
+      justify-content: center;
+      flex-direction: column;
+      align-items: center;
+    }
+
+    &-box {
+      width: 300px;
+      height: 300px;
+    }
+
+    h1 {
+      height: 1300px;
+      margin: 20px 0;
+    }
+  }
+</style>