el-menu导航鼠标移入背景色，字体颜色改变，及文字过长，显示省略号，鼠标悬停显示全文

一、上效果图二、上代码<template><div class="about"><el-menudefault-active="2"class="el-menu-vertical-demo"@open="handleOpen"@close="handleClose"><el-sub-menu index="1"><templat

张小浪

9824人浏览 · 2022-02-18 17:07:37

张小浪 · 2022-02-18 17:07:37 发布

一、上效果图

二、上代码

<template>
  <div class="about">
    <el-menu
      default-active="2"
      class="el-menu-vertical-demo"
      @open="handleOpen"
      @close="handleClose"
    >
      <el-sub-menu index="1">
        <template #title>
          <el-icon>
            <location @click.stop="clickIcon" />
          </el-icon>
          <span
            style="display:block;width:90%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;"
            :title="'Navigator NavigatorNavigatorNavigator One'"
          >Navigator NavigatorNavigatorNavigator One</span>
        </template>
        <el-menu-item-group>
          <el-menu-item index="1-1">item one</el-menu-item>
          <el-menu-item index="1-2">item one</el-menu-item>
        </el-menu-item-group>
        <el-menu-item-group title="Group Two">
          <el-menu-item index="1-3">item three</el-menu-item>
        </el-menu-item-group>
        <el-sub-menu index="1-4">
          <template #title>item four</template>
          <el-menu-item index="1-4-1">item one</el-menu-item>
        </el-sub-menu>
      </el-sub-menu>
      <el-menu-item index="2">
        <el-icon>
          <icon-menu />
        </el-icon>
        <span>Navigator Two</span>
      </el-menu-item>
      <el-menu-item index="3" disabled>
        <el-icon>
          <document />
        </el-icon>
        <span>Navigator Three</span>
      </el-menu-item>
      <el-menu-item index="4">
        <el-icon>
          <setting />
        </el-icon>
        <span>Navigator Four</span>
      </el-menu-item>
    </el-menu>
  </div>
</template>
<script>
import {
  Location,
  Document,
  Menu as IconMenu,
  Setting,
} from '@element-plus/icons-vue'
export default {
  name: 'About',
  components: {
    Location,
    Document,
    Setting,
    IconMenu
  },
  data() {
    return {

    }
  },
  methods: {
    handleOpen(key, keyPath) {
      key, keyPath
    },
    handleClose(key, keyPath) {
      key, keyPath
    },
    clickIcon() {
      console.log(123)
    }
  }
}
</script>
<style scoped>
.about {
  width: 200px;
}
/* 改变elementui 侧边栏移入颜色 */
.about >>> .el-menu-item:hover {
  background: #1c88cf !important;
  color: #fff !important;
}
.about >>> .el-submenu__title:hover {
  background: #1c88cf !important;
  color: #fff !important;
}
.about >>> .el-menu-item.is-active {
  background: #1c88cf !important;
  color: #fff !important;
}
.about >>> .el-submenu__title.is-active {
  background: #1c88cf !important;
  color: #fff !important;
}
</style>