初始化拉取，原文件名：admin-plus-webpack5

library/components/VabTheme/index.vue

@@ -0,0 +1,18 @@
+<script lang="ts" setup>
+    import { useSettingsStore } from '@/store/modules/settings'
+
+    const $pub: any = inject('$pub')
+
+    const settingsStore = useSettingsStore()
+    const { theme } = storeToRefs(settingsStore)
+
+    const handleOpenTheme = () => {
+        $pub('theme')
+    }
+</script>
+
+<template>
+    <span v-if="theme.showTheme">
+        <vab-icon icon="brush-2-line" @click="handleOpenTheme" />
+    </span>
+</template>