v3-lab-xcx/pages/component/navbar.vue

<template>
	<view>
		<view class="wx-head-mod" :style="{height:navHeight+'rpx',background:navBackground}">
			<view class="wx-head-mod-nav" :style="{height:navigationBarHeight+'rpx',top:statusBarHeight+'rpx'}">
				<view class="wx-head-mod-nav-content"
					:style="{height:customHeight+'rpx',justifyContent:'left'}">
					<!-- 文本区 -->
					<view class="wx-head-mod-nav-content-mian"
						:style="{lineHeight:customHeight + 'rpx'}">
						{{title}}
					</view>
				</view>
			</view>
		</view>
	</view>
</template>
 
<script>
	import {systemInfo} from '@/component/system-info.js'
	export default {
		name: "HeadView",
		props: {
			// 文本区内容
			title:'',
			background:'',
		},
		data() {
			return {
				statusBarHeight: 0, //状态栏高度
				navHeight: 0, //头部导航栏总体高度
				navigationBarHeight:0, //导航栏高度
				customHeight: 0, //胶囊高度
				scaleFactor: 0, //比例系数
				menubarLeft:0, //胶囊定位的左边left
				windowWidth: 0,
				navBackground:null
			};
		},
		methods: {

		},
		created() {
			/* 获取设备信息 */
			const SystemInfomations = systemInfo()
			/* 通用平台 */
			this.statusBarHeight = SystemInfomations.statusBarHeight //状态栏高度
			this.scaleFactor = SystemInfomations.scaleFactor //比例系数
			this.windowWidth = SystemInfomations.windowWidth //当前设备的屏幕宽度
			/* 微信小程序平台 */
			// #ifdef MP-WEIXIN
			this.navHeight = SystemInfomations.navHeight + SystemInfomations.statusBarHeight //头部导航栏总高度
			this.navigationBarHeight = SystemInfomations.navHeight //头部导航栏高度
			this.customHeight = SystemInfomations.menuButtonHeight //胶囊高度
			this.menubarLeft = SystemInfomations.menuButtonLeft //胶囊左边界距离左上角的距离
			// #endif
			this.navBackground = this.background?this.background:'rgba(255,255,255,0)'
			
		}
	}
</script>
 
<style>

	.wx-head-mod {
		z-index:100;
		box-sizing: border-box;
		width: 100%;
		position: fixed;
		top: 0;
		left: 0;
		//background: #0183FA;
		/* background: linear-gradient(-35deg, #613A19 0%, #6F4E2B 100%); */
	}
 
	.wx-head-mod-nav {
		box-sizing: border-box;
		width: 100%;
		position: absolute;
		left: 0;
		display: flex;
		justify-content: center;
		align-items: center;
 
	}
 
	.wx-head-mod-nav-content {
		box-sizing: border-box;
		width: 100%;
		display: flex;
		justify-content: left;
		align-items: center;
		position: relative;
		padding-left: 30rpx;
		box-sizing: border-box;
		
	}
 
	/* 文本区 */
	.wx-head-mod-nav-content-mian {
		box-sizing: border-box;
		height: 100%;
		text-align: center;
		white-space: nowrap;
		text-overflow: ellipsis;
		overflow: hidden;
		color:#fff;
		font-size:36rpx;
	}
 
	/* 返回按钮 */
	.wx-head-mod-nav-content-back {
		box-sizing: border-box;
		width: 60rpx;
		height: 100%;
		/* background-color: aqua; */
		position: absolute;
		top: 0;
		left: 32rpx;
		display: flex;
		align-items: center;
		justify-content: left;
	}
 
	.wx-head-mod-nav-content-back-img {
		box-sizing: border-box;
	}
 
	
 </style>