feat: 添加虚拟表格示例 (#1007)

* feat: 添加虚拟表格示例

src/views/table/virtual.vue

@@ -0,0 +1,66 @@
+<script setup lang="ts">
+import { ref } from "vue";
+import { list } from "./virtual/list";
+
+defineOptions({
+  name: "VxeTable"
+});
+
+const selected = ref(0);
+
+function tabClick({ index }) {
+  selected.value = index;
+}
+</script>
+
+<template>
+  <el-card shadow="never">
+    <template #header>
+      <div class="card-header">
+        <span class="font-medium">
+          虚拟滚动采用
+          <el-link
+            href="https://vxetable.cn/#/table/scroll/scroll"
+            target="_blank"
+            style="margin: 0 4px 5px; font-size: 16px"
+          >
+            vxe-table
+          </el-link>
+        </span>
+      </div>
+    </template>
+
+    <el-tabs @tab-click="tabClick">
+      <template v-for="(item, index) of list" :key="item.key">
+        <el-tab-pane :lazy="true">
+          <template #label>
+            <el-tooltip
+              :content="`（第 ${index + 1} 个示例）${item.content}`"
+              placement="top-end"
+            >
+              <span>{{ item.title }}</span>
+            </el-tooltip>
+          </template>
+          <component :is="item.component" v-if="selected == index" />
+        </el-tab-pane>
+      </template>
+    </el-tabs>
+  </el-card>
+</template>
+
+<style scoped>
+:deep(.el-tabs__nav-wrap)::after {
+  height: 1px;
+}
+
+:deep(.el-tabs__nav-next),
+:deep(.el-tabs__nav-prev) {
+  font-size: 16px;
+  color: var(--el-text-color-primary);
+}
+
+:deep(.el-tabs__nav-next.is-disabled),
+:deep(.el-tabs__nav-prev.is-disabled) {
+  opacity: 0.5;
+}
+</style>