wzj-vue/src/components/SizeSelect/index.vue

<script setup lang="ts">
import useAppStore from "@/store/modules/app";

const appStore = useAppStore();
const size = computed(() => appStore.size);

const sizeOptions = ref([
  { label: "较大", value: "large" },
  { label: "默认", value: "default" },
  { label: "稍小", value: "small" },
]);

const handleSetSize = (size: string) => {
  appStore.setSize(size);
}
</script>

<template>
	<div>
		<el-dropdown trigger="click" @command="handleSetSize">
			<div class="size-icon--style">
				<svg-icon class-name="size-icon" icon-class="size" />
			</div>
			<template #dropdown>
				<el-dropdown-menu>
					<el-dropdown-item v-for="item of sizeOptions" :key="item.value" :disabled="size === item.value" :command="item.value">
						{{ item.label }}
					</el-dropdown-item>
				</el-dropdown-menu>
			</template>
		</el-dropdown>
	</div>
</template>

<style lang="scss" scoped>
.size-icon--style {
  font-size: 18px;
  line-height: 50px;
  padding-right: 7px;
}
</style>