初始化

src/layout/components/ThemeSwitch/index.ts

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+import ThemeSwitch from './src/ThemeSwitch.vue'
+
+export { ThemeSwitch }

src/layout/components/ThemeSwitch/src/ThemeSwitch.vue

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+<script lang="ts" setup>
+import { useAppStore } from '@/store/modules/app'
+import { useIcon } from '@/hooks/web/useIcon'
+import { useDesign } from '@/hooks/web/useDesign'
+
+defineOptions({ name: 'ThemeSwitch' })
+
+const { getPrefixCls } = useDesign()
+
+const prefixCls = getPrefixCls('theme-switch')
+
+const Sun = useIcon({ icon: 'emojione-monotone:sun', color: '#fde047' })
+
+const CrescentMoon = useIcon({ icon: 'emojione-monotone:crescent-moon', color: '#fde047' })
+
+const appStore = useAppStore()
+
+// 初始化获取是否是暗黑主题
+const isDark = ref(appStore.getIsDark)
+
+// 设置switch的背景颜色
+const blackColor = 'var(--el-color-black)'
+
+const themeChange = (val: boolean) => {
+  appStore.setIsDark(val)
+}
+</script>
+
+<template>
+  <ElSwitch
+    v-model="isDark"
+    :active-color="blackColor"
+    :active-icon="Sun"
+    :border-color="blackColor"
+    :class="prefixCls"
+    :inactive-color="blackColor"
+    :inactive-icon="CrescentMoon"
+    inline-prompt
+    @change="themeChange"
+  />
+</template>
+<style lang="scss" scoped>
+:deep(.el-switch__core .el-switch__inner .is-icon) {
+  overflow: visible;
+}
+</style>