supply-front/src/layout/components/Navbar.vue

<template>
  <div class="navbar">
    <hamburger :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />

    <breadcrumb class="breadcrumb-container" v-if="showBreadcrumb" />

    <!-- <NavMenu class="navmenu" /> -->

    <div class="right-menu">

      <div class="right-menu-item hover-effect">
        <el-tooltip effect="dark" content="工程机登录" placement="bottom">
            <a class="el-icon-s-platform" style="font-size: 24px; line-height: 50px;" href="https://mpkf.weixin.qq.com/" target="_blank"></a>
        </el-tooltip>
      </div>

      <el-badge :value="noticeCount" :max="10" :hidden="!noticeVisible" class="right-menu-item hover-effect">
        <el-tooltip effect="dark" content="系统消息" placement="bottom">
          <i class="el-icon-message-solid" @click="goNotice" style="font-size: 24px; line-height: 50px;"></i>
        </el-tooltip>
        <!-- <el-button icon="el-icon-message-solid" type="text" class="notice-icon" @click="goNotice"></el-button> -->
      </el-badge>
      <template v-if="device!=='mobile'">
        <screenfull id="screenfull" class="right-menu-item hover-effect" />
      </template>

      <el-dropdown class="user-container" trigger="click">
        <div class="user right-menu-item hover-effect">
          <i class="el-icon-user-solid"></i>
          <span>{{name}}</span>
        </div>
        <el-dropdown-menu slot="dropdown" class="user-dropdown">
          <router-link to="/setting/personal">
            <el-dropdown-item>个人信息</el-dropdown-item>
          </router-link>
          <el-dropdown-item divided @click.native="logout">
            <span style="display:block;">退出登录</span>
          </el-dropdown-item>
        </el-dropdown-menu>
      </el-dropdown>
    </div>
  </div>
</template>

<script>
import { mapGetters } from 'vuex'
import Breadcrumb from '@/components/Breadcrumb'
import Hamburger from '@/components/Hamburger'
import Screenfull from '@/components/Screenfull'
import NavMenu from '@/components/NavMenu'
import {getNoticeListCount} from "@/api/notice";

export default {
  data() {
    return {
      timer: '',
      noticeCount: 0
    }
  },
  mounted() {
    const that = this
    // 开定时器轮询未读消息接口(写在全局vuex里比较好)
    that.initNotice()
    this.timer = setInterval(function () {
      that.initNotice()
    }, 3000)
  },
  beforeDestroy() {
    window.clearInterval(this.timer)
    console.log('退出清理定时器' + this.timer)
  },
  components: {
    Breadcrumb,
    Hamburger,
    Screenfull,
    NavMenu
  },
  computed: {
    showBreadcrumb() {
      return this.$store.state.settings.breadcrumb
    },
    noticeVisible() {
      return this.noticeCount > 0
    },
    ...mapGetters([
      'sidebar',
      'avatar',
      'device',
      'name'
    ])
  },
  methods: {
    toggleSideBar() {
      this.$store.dispatch('app/toggleSideBar')
    },
    async logout() {
      await this.$store.dispatch('user/logout')
      // this.$router.push(`/login?redirect=${this.$route.fullPath}`)
      this.$router.push(`/login`)
    },
    initNotice() {
      getNoticeListCount().then(res => {
        if (res.data > 0 && this.noticeCount !== res.data) {
          this.noticeCount = res.data
        } else if (res.data === 0 && this.noticeCount !== res.data) {
          this.noticeCount = 0
        }
      })
    },
    goNotice() {
      this.$router.push('/notice/index')
    }
  }
}
</script>

<style lang="scss" scoped>
  @import "~@/styles/variables.scss";

.navbar {
  width: 100%;
  height: 50px;
  overflow: hidden;
  background: #{$navbarBg};
  box-shadow: 0 1px 4px rgba(0,21,41,.08);
  .hamburger-container {
    line-height: 46px;
    height: 100%;
    color: #{$navbarText};
    float: left;
    cursor: pointer;
    transition: background .3s;
    -webkit-tap-highlight-color:transparent;
    border-right: 1px solid #eaeaea;
    &:hover {
      background: rgba(0, 0, 0, .025)
    }
  }

  .navmenu {
    float: left;
  }

  .breadcrumb-container {
    float: left;
  }

  .right-menu {
    float: right;
    height: 100%;
    line-height: 50px;
    &>div {
      float: left;
    }
    &:focus {
      outline: none;
    }
    .user-container {
      height: 50px;
      .user {
        i {
          font-size: 18px;
          margin-right: 5px;
        }
        span {
          font-size: 16px;
        }
      }
    }
    .right-menu-item {
      display: inline-block;
      padding: 0 15px;
      height: 100%;
      font-size: 18px;
      color: #{$navbarText};
      vertical-align: text-bottom;
      border-left: 1px solid #eaeaea;
      &.hover-effect {
        cursor: pointer;
        transition: background .3s;

        &:hover {
          background: rgba(0, 0, 0, .025)
        }
      }
      .notice-icon {
        padding-top: 0;
        padding-bottom: 0;
      }
    }
  }
}
</style>

<style lang="scss">
.navbar {
  .right-menu {
    .right-menu-item {
      .notice-icon>i {
        font-size: 18px;
      }
      sup {
        top: 12px;
        right: 25px;
      }
    }
  }
}
</style>