student-assessment/src/layout/components/SiderBar.vue

<template>
  <el-aside class="siderbar_container" :width="isCollapse ? '72px' : '190px'">
    <!-- <div @click="toggleCollapse" class="collapse_box">
      <img v-if="isCollapse" src="@/assets/icon/open.svg" alt="">
      <img v-else src="@/assets/icon/close.svg" alt="">
    </div> -->
    <el-menu :key="activeRoute" :collapse="isCollapse" router>
      <el-menu-item 
        v-for="item in props.menuItems" 
        :key="item.route" 
        :index="item.route" 
        :class="activeRoute == item.route ? 'is-active' : ''" 
      >
        <template #default>
          <i v-if="item.icon" class="iconfont" :class="item.icon"></i>
          <component v-if="item.svgIcon"  class="img_icon" :is="item.svgIcon" :style="{'--nav-color':item.route == activeRoute ? 'white' : ''}"></component>
          <img v-else-if="item.img" class="img_icon" :src="item.route == activeRoute ? item.imgLight : item.img" alt="">

          <span  v-if="!isCollapse" style="position: relative;" >
            {{ item.title }}
            <span v-if="item.bubble && item.bubble !== 0" class="bubble">{{item.bubble}} </span>
          </span>
        </template>
        <template #title>
          <span v-if="isCollapse">{{ item.title }}</span>
        </template>
      </el-menu-item>
    </el-menu>
  </el-aside>
</template>
<script lang="ts">
export default {
  name: 'SiderBar'
}
</script>
<script lang="ts" setup> 
import { ref, watch, onMounted } from 'vue';
import { useRoute } from 'vue-router'
import router from '@/router';

const route = useRoute()
const activeRoute = ref(route.path)
watch(() => route.path, (newVal) => {
  console.log('当前路由---',newVal)
  activeRoute.value = newVal
})

const isCollapse = ref(false)
interface menuItem {
  title: string;
  icon: string;
  route: string;
  bubble:Number;
  img:String;
  imgLight:String;
  svgIcon:undefined;

}

const props = defineProps({
  menuItems:{
    required:true,
    type:Array<menuItem>
  }
})

const toggleCollapse = () => {
  isCollapse.value = !isCollapse.value
}
</script>

<style lang="scss" scoped>
.siderbar_container {
  // background: #fff;
  padding: 20px 0px 20px 20px;
}
.el-menu {
  width: 100%;
  border: none;
  border-radius: 10px;
  padding:10px 20px;
}
.el-menu-item {
  font-size: 16px;
  padding: 0;
}
.iconfont {
  margin-right: 5px;
  display: inline-block;
  color: #666666;
  font-size: 16px;
}

.img_icon{
  margin-right: 8px;
  width: 16px;
  height: 16px;

}
.collapse_box {
  padding-left: 10px;
  // text-align: center;
}
.el-menu.el-menu--vertical :deep(.el-menu-item) {
  height: 40px;
  margin: 10px 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  .iconfont {
    margin-right: 8px;
    text-align: center;
  }
}
.el-menu--collapse .el-menu-item span {
  display: none;
}
.el-menu-item :deep(.el-menu-tooltip__trigger) {
  padding: 0 10px;
}
.el-menu-item {
  &.is-active,
  &.is-active:hover {
    font-weight: 600;
    background: #2E64FA;
    color: #fff;
    .iconfont {
      color: #fff;
    }
  }
  &:not(.is-active):hover {
    background: inherit;
    color: #2E64FA;

    .img_icon{
      --nav-color:#2E64FA;
    }

    .iconfont {
      color: #2E64FA;
    }
  }
}

.bubble{
  display: inline-block;
  position: absolute;
  top:10px;
  line-height: 20px;
  width: 20px;
  height: 20px;
  text-align: center;
  font-size: 12px;
  border-radius: 10px;
  background-color: #F56C6C;
  color: white;
}
</style>