Header.vue
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<template>
<div class="header">
<!-- 折叠按钮 -->
<div class="collapse-btn" @click="collapseChage">
<i v-if="!collapse" class="el-icon-s-fold"></i>
<i v-else class="el-icon-s-unfold"></i>
</div>
<div class="logo">后台管理系统</div>
<div class="header-right">
<div class="header-user-con">
<!-- 全屏显示 -->
<div class="btn-fullscreen" @click="handleFullScreen">
<el-tooltip effect="dark" :content="fullscreen?`取消全屏`:`全屏`" placement="bottom">
<i class="el-icon-rank"></i>
</el-tooltip>
</div>
<!-- 消息中心 -->
<div class="btn-bell">
<el-tooltip
effect="dark"
:content="message?`有${message}条未读消息`:`消息中心`"
placement="bottom"
>
<router-link to="/tabs">
<i class="el-icon-bell"></i>
</router-link>
</el-tooltip>
<span class="btn-bell-badge" v-if="message"></span>
</div>
<!-- 用户头像 -->
<div class="user-avator">
<img src="../assets/img/img.jpg" />
</div>
<!-- 用户名下拉菜单 -->
<el-dropdown class="user-name" trigger="click" @command="handleCommand">
<span class="el-dropdown-link">
{{username}}
<i class="el-icon-caret-bottom"></i>
</span>
<el-dropdown-menu slot="dropdown">
<a href="https://github.com/lin-xin/vue-manage-system" target="_blank">
<el-dropdown-item>项目仓库</el-dropdown-item>
</a>
<el-dropdown-item divided command="loginout">退出登录</el-dropdown-item>
</el-dropdown-menu>
</el-dropdown>
</div>
</div>
</div>
</template>
<script>
import bus from './bus';
export default {
data() {
return {
collapse: false,
fullscreen: false,
name: 'linxin',
message: 2
};
},
computed: {
username() {
let username = localStorage.getItem('ms_username');
return username ? username : this.name;
}
},
methods: {
// 用户名下拉菜单选择事件
handleCommand(command) {
if (command == 'loginout') {
localStorage.removeItem('ms_username');
this.$router.push('/login');
}
},
// 侧边栏折叠
collapseChage() {
this.collapse = !this.collapse;
bus.$emit('collapse', this.collapse);
},
// 全屏事件
handleFullScreen() {
let element = document.documentElement;
if (this.fullscreen) {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitCancelFullScreen) {
document.webkitCancelFullScreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
} else {
if (element.requestFullscreen) {
element.requestFullscreen();
} else if (element.webkitRequestFullScreen) {
element.webkitRequestFullScreen();
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen();
} else if (element.msRequestFullscreen) {
// IE11
element.msRequestFullscreen();
}
}
this.fullscreen = !this.fullscreen;
}
},
mounted() {
if (document.body.clientWidth < 1500) {
this.collapseChage();
}
}
};
</script>
<style scoped>
.header {
position: relative;
box-sizing: border-box;
width: 100%;
height: 70px;
font-size: 22px;
color: #fff;
}
.collapse-btn {
float: left;
padding: 0 21px;
cursor: pointer;
line-height: 70px;
}
.header .logo {
float: left;
width: 250px;
line-height: 70px;
}
.header-right {
float: right;
padding-right: 50px;
}
.header-user-con {
display: flex;
height: 70px;
align-items: center;
}
.btn-fullscreen {
transform: rotate(45deg);
margin-right: 5px;
font-size: 24px;
}
.btn-bell,
.btn-fullscreen {
position: relative;
width: 30px;
height: 30px;
text-align: center;
border-radius: 15px;
cursor: pointer;
}
.btn-bell-badge {
position: absolute;
right: 0;
top: -2px;
width: 8px;
height: 8px;
border-radius: 4px;
background: #f56c6c;
color: #fff;
}
.btn-bell .el-icon-bell {
color: #fff;
}
.user-name {
margin-left: 10px;
}
.user-avator {
margin-left: 20px;
}
.user-avator img {
display: block;
width: 40px;
height: 40px;
border-radius: 50%;
}
.el-dropdown-link {
color: #fff;
cursor: pointer;
}
.el-dropdown-menu__item {
text-align: center;
}
</style>