优化导航栏控件,支持背景透明度

This commit is contained in:
2025-12-25 17:31:04 +08:00
parent d5953d219f
commit dac2ae956d
2 changed files with 160 additions and 58 deletions

View File

@@ -1,17 +1,35 @@
<template>
<view
class="custom-navbar"
:style="{ paddingTop: statusBarHeight + 'px', height: navHeight + 'px' }"
:class="{ 'transparent': isTransparent, 'opaque': !isTransparent }"
:style="{
paddingTop: statusBarHeight + 'px',
height: navHeight + 'px',
// 使用rgba颜色值控制背景透明度而不是整个元素的opacity
backgroundColor: `rgba(${hexToRgb(bgColor)}, ${opacity})`
}"
>
<view class="nav-content">
<!-- 左侧返回 -->
<view class="nav-left">
<u-icon name="arrow-left" size="44" color="#333" @click="onBack" v-if="showBack"></u-icon>
<u-icon name="home" size="44" color="#333" @click="goHome" v-if="showHome"></u-icon>
<u-icon
name="arrow-left"
size="44"
:color="textColor"
@click="onBack"
v-if="showBack"
></u-icon>
<u-icon
name="home"
size="44"
:color="textColor"
@click="goHome"
v-if="showHome"
></u-icon>
</view>
<!-- 中间标题 -->
<view class="nav-title">{{ title }}</view>
<view class="nav-title" :style="{ color: textColor }">{{ title }}</view>
<!-- 右侧按钮位于胶囊左侧 -->
<view
@@ -26,10 +44,18 @@
>
<u-icon
:name="btn.icon"
:color="btn.color || '#333'"
:color="btn.color || textColor"
:size="btn.size || 40"
></u-icon>
</view>
<!-- 额外的右侧图标 -->
<view class="nav-btn" v-for="(icon, index) in extraIcons" :key="index" @click="onExtraIconClick(index)">
<u-icon
:name="icon"
:color="textColor"
size="40"
></u-icon>
</view>
</view>
</view>
</view>
@@ -51,13 +77,36 @@ export default {
type: Function,
default: null,
},
// 导航栏样式控制
isTransparent: {
type: Boolean,
default: false
},
bgColor: {
type: String,
default: '#ffffff'
},
textColor: {
type: String,
default: '#333333'
},
opacity: {
type: Number,
default: 1
},
extraIcons: {
type: Array,
default: () => []
},
// 按钮显示控制
showBack: {
type: Boolean,
default: true // 左侧返回按钮默认显示
},
showHome: {
type: Boolean,
default: true // 回首页按钮默认显示
default: false // 回首页按钮默认显示
}
},
data() {
@@ -87,6 +136,24 @@ export default {
}
},
methods: {
// 十六进制颜色转RGB
hexToRgb(hex) {
// 移除#号
hex = hex.replace(/^#/, '');
// 处理缩写形式(如#RGB
if (hex.length === 3) {
hex = hex.split('').map(char => char + char).join('');
}
// 解析RGB值
const r = parseInt(hex.substring(0, 2), 16);
const g = parseInt(hex.substring(2, 4), 16);
const b = parseInt(hex.substring(4, 6), 16);
return `${r}, ${g}, ${b}`;
},
onBack() {
if (this.back) {
this.back();
@@ -98,6 +165,10 @@ export default {
uni.reLaunch({
url:'../index/index'
})
},
onExtraIconClick(index) {
// 额外图标点击事件,可通过事件冒泡传递给父组件
this.$emit('extra-icon-click', index);
}
},
};
@@ -109,9 +180,8 @@ export default {
top: 0;
left: 0;
right: 0;
background-color: #fff;
box-shadow: 0 2rpx 6rpx rgba(0, 0, 0, 0.08);
z-index: 999;
transition: all 0.3s ease;
.nav-content {
display: flex;
@@ -131,8 +201,6 @@ export default {
flex: 1;
text-align: center;
font-size: 32rpx;
font-weight: bold;
color: #333;
}
.nav-right {
@@ -142,5 +210,15 @@ export default {
margin-left: 20rpx;
}
}
// 透明状态样式
&.transparent {
background-color: rgba(255, 255, 255, 0);
}
// 不透明状态样式
&.opaque {
box-shadow: 0 2rpx 6rpx rgba(0, 0, 0, 0.08);
}
}
</style>

View File

@@ -1,15 +1,19 @@
<template>
<view class="asset-detail">
<!-- 顶部导航栏 -->
<!-- <customNavbar
title="资产详情" ref="navbar"/> -->
<customNavbar
title="资产详情"
ref="navbar"
:is-transparent="navbarStyle.isTransparent"
:bg-color="navbarStyle.bgColor"
:text-color="navbarStyle.textColor"
:opacity="navbarStyle.opacity"
:extra-icons="navbarStyle.extraIcons"
:show-home="false"
/>
<!-- <u-navbar title="资产详情" :autoBack="true" :background="background" title-color="#2D2B2C"
back-icon-color="#2D2B2C">
</u-navbar> -->
<!-- 图片展示区 -->
<view class="image-section" :style="{ paddingTop: navTotalHeight + 'px' }">
<u-icon name="arrow-left" color="#000000" size="24px" @click="back"></u-icon>
<image src="/static/30091712.jpg"></image>
<!-- <AssetGallery
:insideImages="asset.images"
@@ -156,6 +160,18 @@
// 渐变色
// backgroundImage: 'linear-gradient(-90deg, #F9DED9 0%, #F8DFC0 99%);'
},
// 导航栏样式控制
navbarStyle: {
isTransparent: true,
bgColor: '#ffffff',
textColor: '#000000',
opacity: 0,
extraIcons: ['ellipsis', 'eye'] // 右侧额外图标
},
// 滚动距离
scrollTop: 0
};
},
onLoad(options) {
@@ -165,12 +181,36 @@
// this.recordView();
},
mounted() {
// const navbar = this.$refs.navbar;
// const navHeight = navbar.navContentHeight; // 直接拿子组件 data
// this.navTotalHeight = navHeight; // 加上额外间距
const navbar = this.$refs.navbar;
const navHeight = navbar.navContentHeight; // 直接拿子组件 data
this.navTotalHeight = navHeight; // 加上额外间距
},
onPageScroll(e) {
this.scrollTop = e.scrollTop;
// 计算导航栏透明度和样式
this.updateNavbarStyle(e.scrollTop);
},
methods: {
// 根据滚动距离更新导航栏样式
updateNavbarStyle(scrollTop) {
// 定义滚动阈值,超过此值导航栏变为不透明
const threshold = 200;
// 计算透明度
let opacity = scrollTop / threshold;
opacity = Math.min(opacity, 1);
opacity = Math.max(opacity, 0);
// 更新导航栏样式
this.navbarStyle.opacity = opacity;
if (opacity > 0.5) {
this.navbarStyle.isTransparent = false;
} else {
this.navbarStyle.isTransparent = true;
}
},
// 模拟接口请求
loadAssetDetail() {
setTimeout(() => {
@@ -187,19 +227,24 @@
address: '广州市天河区体育西路88号',
lat: 23.135,
lng: 113.327,
images: [{
images: [
{
image:'/static/img/index/swiper/swiper3.jpg'
}],
}
],
remark: '该资产目前用于办公出租,维护状态良好。',
isFavorite: false,
status: 0
};
this.markers = [{
this.markers = [
{
id: 1,
latitude: this.asset.lat,
longitude: this.asset.lng,
title: this.asset.name,
}, ];
},
];
}, 300);
},
formatMoney(num) {
@@ -238,31 +283,10 @@
});
},
back(){
// let pages = getCurrentPages();
// let beforePage = pages[pages.length - 2];
uni.navigateBack({
// delta: 1,
success: function() {
// beforePage.onLoad(beforePage
// .options); // 执行前一个页面的onLoad方法
}
})
},
},
};
</script>
<style scoped>
.image-section >>> .u-icon{
position: absolute;
z-index: 99;
top: 80rpx;
left: 36rpx;
}
</style>
<style lang="scss" scoped>
.asset-detail {
background-color: #f7f8fa;