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elementPlus、naive UI这些UI组件里面封装好了暗黑模式,直接使用相关api即可实现暗黑模式切换功能,而elementUI没有封装好,我们可以看看elementPlus、naive UI如何实现暗黑模式,然后在elementUI中模仿,从而实现暗黑模式!
(1)npm i @vueuse/core, 这个里面封装了很多hook工具函数: VueUse | VueUse
(2)import { useDark, useToggle } from '@vueuse/core'
(3)在<script> 下使用:
<script setup> import { useDark, useToggle} from '@vueuse/core' const isDark = useDark(); </script> <style scoped>(4)useDark()可以获取当前的主题模式是不是暗黑模式,返回的是布尔值,useToggle()类似于开关,能将useDark()取反,实现主题模式切换效果
(5)main.js中引入暗黑模式的样式包:
import 'element-plus/dist/index.css' :引入elementplus推荐的light模式的样式文件
import 'element-plus/theme-chalk/dark/css-vars.css':是elementplus实现的dark模式的样式文件
结论:暗黑模式时 import 'element-plus/theme-chalk/dark/css-vars.css' 覆盖 light模式中
import 'element-plus/dist/index.css' 的样式文件
(1)会给html添加个class = "dark" 选择器
暗黑模式:
light模式
(2)dark模式会在 'element-plus/theme-chalk/dark/css-vars.css' 进行样式覆盖
'element-plus/theme-chalk/dark/css-vars.css'
- html.dark {
- color-scheme: dark;
- --el-color-primary: #409eff;
- --el-color-primary-light-3: #3375b9;
- --el-color-primary-light-5: #2a598a;
- --el-color-primary-light-7: #213d5b;
- --el-color-primary-light-8: #1d3043;
- --el-color-primary-light-9: #18222c;
- --el-color-primary-dark-2: #66b1ff;
- --el-color-success: #67c23a;
- --el-color-success-light-3: #4e8e2f;
- --el-color-success-light-5: #3e6b27;
- --el-color-success-light-7: #2d481f;
- --el-color-success-light-8: #25371c;
- --el-color-success-light-9: #1c2518;
- --el-color-success-dark-2: #85ce61;
- --el-color-warning: #e6a23c;
- --el-color-warning-light-3: #a77730;
- --el-color-warning-light-5: #7d5b28;
- --el-color-warning-light-7: #533f20;
- --el-color-warning-light-8: #3e301c;
- --el-color-warning-light-9: #292218;
- --el-color-warning-dark-2: #ebb563;
- --el-color-danger: #f56c6c;
- --el-color-danger-light-3: #b25252;
- --el-color-danger-light-5: #854040;
- --el-color-danger-light-7: #582e2e;
- --el-color-danger-light-8: #412626;
- --el-color-danger-light-9: #2b1d1d;
- --el-color-danger-dark-2: #f78989;
- --el-color-error: #f56c6c;
- --el-color-error-light-3: #b25252;
- --el-color-error-light-5: #854040;
- --el-color-error-light-7: #582e2e;
- --el-color-error-light-8: #412626;
- --el-color-error-light-9: #2b1d1d;
- --el-color-error-dark-2: #f78989;
- --el-color-info: #909399;
- --el-color-info-light-3: #6b6d71;
- --el-color-info-light-5: #525457;
- --el-color-info-light-7: #393a3c;
- --el-color-info-light-8: #2d2d2f;
- --el-color-info-light-9: #202121;
- --el-color-info-dark-2: #a6a9ad;
- --el-box-shadow: 0px 12px 32px 4px rgba(0, 0, 0, 0.36), 0px 8px 20px rgba(0, 0, 0, 0.72);
- --el-box-shadow-light: 0px 0px 12px rgba(0, 0, 0, 0.72);
- --el-box-shadow-lighter: 0px 0px 6px rgba(0, 0, 0, 0.72);
- --el-box-shadow-dark: 0px 16px 48px 16px rgba(0, 0, 0, 0.72), 0px 12px 32px #000000, 0px 8px 16px -8px #000000;
- --el-bg-color-page: #0a0a0a;
- --el-bg-color: #141414;
- --el-bg-color-overlay: #1d1e1f;
- --el-text-color-primary: #E5EAF3;
- --el-text-color-regular: #CFD3DC;
- --el-text-color-secondary: #A3A6AD;
- --el-text-color-placeholder: #8D9095;
- --el-text-color-disabled: #6C6E72;
- --el-border-color-darker: #636466;
- --el-border-color-dark: #58585B;
- --el-border-color: #4C4D4F;
- --el-border-color-light: #414243;
- --el-border-color-lighter: #363637;
- --el-border-color-extra-light: #2B2B2C;
- --el-fill-color-darker: #424243;
- --el-fill-color-dark: #39393A;
- --el-fill-color: #303030;
- --el-fill-color-light: #262727;
- --el-fill-color-lighter: #1D1D1D;
- --el-fill-color-extra-light: #191919;
- --el-fill-color-blank: transparent;
- --el-mask-color: rgba(0, 0, 0, 0.8);
- --el-mask-color-extra-light: rgba(0, 0, 0, 0.3)
- }
-
- html.dark .el-button {
- --el-button-disabled-text-color: rgba(255, 255, 255, 0.5)
- }
-
- html.dark .el-card {
- --el-card-bg-color: var(--el-bg-color-overlay)
- }
-
- html.dark .el-empty {
- --el-empty-fill-color-0: var(--el-color-black);
- --el-empty-fill-color-1: #4b4b52;
- --el-empty-fill-color-2: #36383d;
- --el-empty-fill-color-3: #1e1e20;
- --el-empty-fill-color-4: #262629;
- --el-empty-fill-color-5: #202124;
- --el-empty-fill-color-6: #212224;
- --el-empty-fill-color-7: #1b1c1f;
- --el-empty-fill-color-8: #1c1d1f;
- --el-empty-fill-color-9: #18181a
- }
(3)css文件中,--开头的为自定义变量,要使用它时var(--自定义变量),从而实现变量复用,减少冗余的css样式
(4)举个例子:el-card
element-plus/dist/index.css 文件中
'element-plus/theme-chalk/dark/css-vars.css' 文件中
(1)建立一个暗黑主题样式文件:my-theme.css,并将其引入到main.js中
(2)my-theme.css文件中 自己根据chrome浏览器的样式工具进行调整了,html.dark为父选择器
示范:在my-theme.css 中根据需求调节出自己想要的样式
- html.dark .el-submenu__title {
- background-color: #121212;
- color: #fff;
- }
-
- html.dark .el-submenu__title:hover {
- background-color: #18222b;
- }
-
- html.dark .el-menu--inline {
- background-color: #121212;
- color: #fff;
- }
-
- html.dark .el-menu-item.is-active {
- color: var(--el-color-primary);
- }
-
- html.dark .el-menu-item {
- background-color: #121212;
- color: #fff;
- }
-
- html.dark .el-menu-item:hover {
- background-color: #18222b;
- }
-
-
- html.dark .el-card {
- background-color: #121212;
- }
(3)添加一个开关用于给html添加class="dark"选择器,也就是暗黑模式
- <template>
- <el-switch v-model="isDark" @change="changeMode" active-color="#13ce66" inactive-color="#ff4949">
- </el-switch>
- </template>
- <script>
- export default {
- data() {
- return {
- isDark: false,
- }
- },
- methods: {
- // 模式切换
- changeMode(val) {
- // 获取html根元素标签
- let html = document.documentElement
- if (val) {
- // html添加class="dark"选择器
- html.classList.add('dark')
- } else {
- // html移除class="dark"选择器
- html.classList.remove('dark')
- }
- }
- }
- }
- </script>
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