feat: 添加虚拟表格示例 (#1007)

* feat: 添加虚拟表格示例

src/views/table/base/tree.vue

@@ -0,0 +1,122 @@
+<script setup lang="ts">
+interface User {
+  id: number;
+  date: string;
+  name: string;
+  hasChildren?: boolean;
+  children?: User[];
+}
+
+const load = (
+  row: User,
+  treeNode: unknown,
+  resolve: (date: User[]) => void
+) => {
+  setTimeout(() => {
+    resolve([
+      {
+        id: 31,
+        date: "2016-05-01",
+        name: "wangxiaohu"
+      },
+      {
+        id: 32,
+        date: "2016-05-01",
+        name: "wangxiaohu"
+      }
+    ]);
+  }, 1000);
+};
+
+const tableData: User[] = [
+  {
+    id: 1,
+    date: "2016-05-02",
+    name: "wangxiaohu"
+  },
+  {
+    id: 2,
+    date: "2016-05-04",
+    name: "wangxiaohu"
+  },
+  {
+    id: 3,
+    date: "2016-05-01",
+    name: "wangxiaohu",
+    children: [
+      {
+        id: 31,
+        date: "2016-05-01",
+        name: "wangxiaohu"
+      },
+      {
+        id: 32,
+        date: "2016-05-01",
+        name: "wangxiaohu"
+      }
+    ]
+  },
+  {
+    id: 4,
+    date: "2016-05-03",
+    name: "wangxiaohu"
+  }
+];
+
+const tableData1: User[] = [
+  {
+    id: 1,
+    date: "2016-05-02",
+    name: "wangxiaohu"
+  },
+  {
+    id: 2,
+    date: "2016-05-04",
+    name: "wangxiaohu"
+  },
+  {
+    id: 3,
+    date: "2016-05-01",
+    name: "wangxiaohu",
+    hasChildren: true
+  },
+  {
+    id: 4,
+    date: "2016-05-03",
+    name: "wangxiaohu"
+  }
+];
+
+const columns: TableColumnList = [
+  {
+    label: "日期",
+    prop: "date"
+  },
+  {
+    label: "姓名",
+    prop: "name"
+  }
+];
+</script>
+
+<template>
+  <div>
+    <pure-table
+      :data="tableData"
+      :columns="columns"
+      row-key="id"
+      border
+      default-expand-all
+      class="mb-6"
+    />
+    <pure-table
+      :data="tableData1"
+      :columns="columns"
+      row-key="id"
+      border
+      lazy
+      :load="load"
+      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
+    />
+  </div>
+</template>