vue 根据网站路由判断页面主题色

import Vue from 'vue'
import App from './App'
import router from './router'
import axios from 'axios'
import MintUI from 'mint-ui'
import { Indicator } from 'mint-ui'
import { getUrls } from '@/util/utils'
import 'mint-ui/lib/style.css'
import './css/index.css'
Vue.use(MintUI)
//添加请求拦截器 loading
axios.interceptors.request.use(function (config) {
Indicator.open({
text: '加载中...',
spinnerType: 'fading-circle'
})
return config
}),function (error) {
Indicator.close()
return Promise.reject(error)
}
axios.interceptors.response.use(function (config) {
Indicator.close()
return config
}),function (error) {
return Promise.reject(error)
}Vue.prototype.$http = axios
Vue.prototype.getUrls = getUrls
router.beforeEach((to,from,next) => {
if (sessionStorage.getItem('basecolor')) {
document.documentElement.style.setProperty("--color", sessionStorage.getItem('basecolor'))
next()
}
})
Vue.config.productionTip = false/* eslint-disable no-new */
new Vue({
el: '#app',
router,
components: { App },
template: '<App/>'
})

export function getUrls() {
let colorValue
let url = window.location.href
let urlArr = url.split('?')
let appU = urlArr[0].split('/')
let styles = getComputedStyle(document.documentElement)
if (appU[appU.length-1] === 'login') {
colorValue = styles.getPropertyValue('--OLAY')
sessionStorage.setItem('basecolor', colorValue)
this.$router.push('/login')
} else if (appU[appU.length-1] === 'resetPassword') {
colorValue = styles.getPropertyValue('--pampers')
sessionStorage.setItem('basecolor', colorValue)
this.$router.push('/login')
}
}

<template>
<div id="app">
<router-view/>
</div>
</template><script>
export default {
name: 'App',
created() {
this.getUrls()
}
}
</script><style>
:root {
--OLAY: rgb(237,202,138);
--pampers: rgb(5,183,185);
--color: #fff;
}
#app{
height: 100%;
}
</style>