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code/g3soft-libs/docs/examples/pagination/size-changer.vue

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+<script setup lang="ts">
+// showSizeChanger：每页条数下拉；pageSizeOptions 自定义选项，showSizeChange 单独通知
+import { ref } from 'vue'
+import { G3Pagination } from '@g3soft/ui'
+
+const current = ref(1)
+const pageSize = ref(20)
+const lastEvent = ref('暂无')
+</script>
+
+<template>
+  <div>
+    <G3Pagination
+      v-model:current="current"
+      v-model:page-size="pageSize"
+      :total="286"
+      :page-size-options="[10, 20, 50, 100]"
+      show-size-changer
+      @show-size-change="(page: number, size: number) => (lastEvent = `切换每页 ${size} 条，当前第 ${page} 页`)"
+    />
+    <p style="margin: 8px 0 0; font-size: 13px; color: #6b7280">
+      每页 {{ pageSize }} 条｜{{ lastEvent }}
+    </p>
+  </div>
+</template>