100 lines
1.8 KiB
Vue
100 lines
1.8 KiB
Vue
<template>
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<view class="navbar" :style="{ paddingTop: statusBarHeight + 'px' }">
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<view class="navbar-inner" :style="{ height: navBarHeight + 'px' }">
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<view class="navbar-left" v-if="showBack" @click="goBack">
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<text class="back-arrow">‹</text>
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</view>
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<view class="navbar-left" v-else>
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</view>
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<view class="navbar-title">
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<text class="title-text">{{ title }}</text>
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</view>
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<view class="navbar-right"></view>
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</view>
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</view>
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<!-- 占位，防止内容被导航栏遮挡 -->
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<view :style="{ height: (statusBarHeight + navBarHeight) + 'px' }"></view>
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</template>
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<script>
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export default {
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name: 'NavBar',
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props: {
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title: {
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type: String,
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default: ''
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},
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showBack: {
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type: Boolean,
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default: true
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}
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},
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data() {
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return {
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statusBarHeight: 20,
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navBarHeight: 44
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}
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},
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created() {
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const sysInfo = uni.getSystemInfoSync()
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this.statusBarHeight = sysInfo.statusBarHeight || 20
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// 微信小程序胶囊按钮位置计算
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// #ifdef MP-WEIXIN
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const menuBtn = uni.getMenuButtonBoundingClientRect()
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this.navBarHeight = (menuBtn.top - this.statusBarHeight) * 2 + menuBtn.height
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// #endif
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},
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methods: {
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goBack() {
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uni.navigateBack({
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delta: 1
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})
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}
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}
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}
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</script>
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<style scoped>
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.navbar {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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background: #fff;
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z-index: 900;
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}
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.navbar-inner {
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display: flex;
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align-items: center;
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padding: 0 24rpx;
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}
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.navbar-left {
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width: 60rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.back-arrow {
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font-size: 48rpx;
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color: #333;
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line-height: 1;
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}
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.navbar-title {
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flex: 1;
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text-align: center;
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}
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.title-text {
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font-size: 34rpx;
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font-weight: bold;
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color: #333;
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}
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.navbar-right {
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width: 60rpx;
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}
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</style> |