src/views/layout/header/header.vue

<template>
  <div>
    <el-header id="header">
      <span class="hideAside" @click="collapse"
        ><i class="el-icon-s-fold" v-show="!isCollapse"></i>
        <i class="el-icon-s-unfold" v-show="isCollapse"></i></span>
      <ul class="personal">
        <!-- <li>
          <langSelect></langSelect>
        </li> -->
        <li class="dropdown-box">
          <div class="userInfo">
            <img :src="avatar" />
            <div class="txt">
              <p>{{ `${this.$store.getters.info.name}` }}</p>
              <p>{{ `${permissions[0].roleName}` }}</p>
            </div>
            <i class="el-icon-arrow-down"></i>
          </div>
          <el-dropdown
            class="dropdown"
            @command="handleCommand"
            trigger="click"
          >
            <div class="el-dropdown-link dropdown-link"></div>
            <el-dropdown-menu slot="dropdown" v-if="permissions.length">
              <el-dropdown-item
                v-for="item in permissions"
                :key="item.role"
                :command="item.role"
                >{{ item.roleName }}</el-dropdown-item
              >
            </el-dropdown-menu>
          </el-dropdown>
        </li>
        <li class="fullScreen" @click="fullScreen">
          <el-tooltip
            class="item"
            effect="dark"
            content="全屏"
            placement="bottom"
            ><i class="el-icon-rank"></i
          ></el-tooltip>
        </li>
        <li>
          <el-tooltip
            class="item"
            effect="dark"
            content="退出"
            placement="bottom"
          >
            <i @click="logOut" class="el-icon-switch-button"></i
          ></el-tooltip>
        </li>
      </ul>
    </el-header>
    <!-- <tabNav></tabNav> -->
  </div>
</template>
<script>
import Cookies from "js-cookie";
import langSelect from "../../../components/lang/langSelect";
import tabNav from "./tabNav";
import UserInfo from "../../../components/userForm/userInfo";
import EditPassword from "../../../components/userForm/editPassword";
export default {
  name: "Header",
  components: { EditPassword, tabNav, langSelect, UserInfo },
  computed: {
    permissions: function () {
      return this.$store.getters.info.permissions || [];
    },
  },
  data() {
    return {
      isfullScreen: true,
      avatar: require("@/assets/images/womandefault.png"),
      dialogInfoVisible: false,
      dialogPassVisible: false,
      title: "",
      userId: "",
      isCollapse:false,
    };
  },
  created(){
    this.isCollapse = this.$store.getters.isCollapse
  },
  methods: {
    collapse() {
      this.isCollapse = !this.isCollapse
      this.$store.dispatch("collapse");
    },
    successCallback() {
      this.dialogInfoVisible = false;
    },
    editPwdCallback() {
      this.dialogPassVisible = false;
    },
    fullScreen() {
      if (this.isfullScreen) {
        var docElm = document.documentElement;
        if (docElm.requestFullscreen) {
          docElm.requestFullscreen();
        } else if (docElm.mozRequestFullScreen) {
          docElm.mozRequestFullScreen();
        } else if (docElm.webkitRequestFullScreen) {
          docElm.webkitRequestFullScreen();
        } else if (elem.msRequestFullscreen) {
          elem.msRequestFullscreen();
        }
        this.isfullScreen = false;
      } else {
        if (document.exitFullscreen) {
          document.exitFullscreen();
        } else if (document.mozCancelFullScreen) {
          document.mozCancelFullScreen();
        } else if (document.webkitCancelFullScreen) {
          document.webkitCancelFullScreen();
        } else if (document.msExitFullscreen) {
          document.msExitFullscreen();
        }
        this.isfullScreen = true;
      }
    },
    handleCommand(command) {
      //刷新权限跳转首页
      this.$message("click on item " + command);
      this.$store.dispatch("permissions", this);
    },
    logOut() {
      this.$router.push({
        path: "/login",
      });
    },
  },
};
</script>
<style lang="scss">
$top: top;
$bottom: bottom;
$left: left;
$right: right;
$leftright: ($left, $right);
%w100 {
  width: 100%;
}
%h100 {
  height: 100%;
}
%cursor {
  cursor: pointer;
}
html,
body,
#app,
.el-container,
#asideNav,
ul.el-menu {
  @extend %h100;
}
@mixin set-value($side, $value) {
  @each $prop in $leftright {
    #{$side}-#{$prop}: $value;
  }
}
#header {
  max-height: 50px;
  line-height: 50px;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  background: #03152a;
  display: flex;
  justify-content: space-between;
  color: #fff;
  padding:0 20px 0 10px;
  .hideAside {
    @extend %cursor;
    i{
      font-size:24px;
      line-height: 50px;
    }
  }
  .personal {
    display: flex;
    flex-direction: row;
    li {
      @include set-value(margin, 8px);
      font-size: 12px;
      @extend %cursor;
      position: relative;
      line-height: 50px;
    }
  }
  .userInfo {
    display: flex;
    align-items: center;
    height: 50px;
    @extend %cursor;
    .txt {
      display: flex;
      flex-direction: column;
      justify-content: center;
      margin: 0 5px;
      p {
        line-height: 16px;
        font-size: 12px;
      }
    }
    img {
      border-radius: 5px;
      width: 28px;
      height: 28px;
    }
  }
  .el-icon-rank {
    font-size: 20px;
    transform: rotate(45deg);
    line-height: 50px;
  }
  .el-icon-switch-button {
    font-size: 18px;
    line-height: 50px;
  }
  .fa-lg {
    color: #fff;
  }
  .dropdown {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    .dropdown-link {
      height: 50px;
    }
  }
}
</style>