132 lines
3.0 KiB
Vue
132 lines
3.0 KiB
Vue
<template>
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<view>
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<!-- 填充区，避免内容被导航栏遮挡 -->
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<view class="navbar-placeholder" :style="{ height: navBarHeight + 'px' }"></view>
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<!-- 自定义导航栏 -->
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<view class="custom-navbar" :style="{ paddingTop: statusBarHeight + 'px', height: navBarHeight + 'px' }">
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<view class="navbar-left" @click="handleBack" :style="{ height: capsuleHeight + 'px', lineHeight: capsuleHeight + 'px' }">
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<image :src="backIcon" mode="aspectFit" class="back-icon"></image>
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</view>
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<view class="navbar-title" :style="{ height: capsuleHeight + 'px', lineHeight: capsuleHeight + 'px' }">{{ title }}</view>
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<view class="navbar-right" :style="{ height: capsuleHeight + 'px', lineHeight: capsuleHeight + 'px' }">
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<slot name="right"></slot>
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</view>
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</view>
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</view>
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</template>
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<script>
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import CommonEnum from "../../enum/common";
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export default {
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name: 'CustomNavbar',
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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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backIcon: {
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type: String,
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default: CommonEnum.BACK_BUTTON
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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: 0,
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navBarHeight: 0,
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menuButtonInfo: null,
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capsuleHeight: 0,
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}
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},
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mounted() {
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this.getSystemInfo();
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},
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methods: {
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getSystemInfo() {
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// 获取系统信息
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const systemInfo = uni.getSystemInfoSync();
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// 获取状态栏高度
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this.statusBarHeight = systemInfo.statusBarHeight;
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// 获取胶囊按钮信息
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this.menuButtonInfo = uni.getMenuButtonBoundingClientRect();
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// 计算胶囊高度
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this.capsuleHeight = this.menuButtonInfo.height;
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// 计算导航栏高度（胶囊底部到状态栏顶部的距离）
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this.navBarHeight = this.menuButtonInfo.bottom + 8;
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},
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handleBack() {
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if (this.showBack) {
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// 先触发自定义事件，让父组件有机会处理
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this.$emit('back');
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// 自动执行返回逻辑
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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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}
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</script>
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<style lang="scss" scoped>
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/* 填充区样式 */
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.navbar-placeholder {
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width: 100%;
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background-color: transparent;
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}
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/* 自定义导航栏样式 */
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.custom-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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z-index: 999;
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padding-top: 0;
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background-color: transparent;
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding-left: 30rpx;
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padding-right: 30rpx;
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box-sizing: border-box;
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}
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.navbar-left {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 60rpx;
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.back-icon {
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width: 56rpx;
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height: 56rpx;
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}
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}
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.navbar-title {
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font-size: 36rpx;
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font-weight: bold;
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color: #695347;
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flex: 1;
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text-align: center;
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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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.navbar-right {
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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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</style> |