【从零开始搭建uniapp开发框架】（二）——使用自定义导航栏
框架开源地址：https://gitee.com/yunhaotian/uniapp_mobileFrame
在项目文件下新建 components 文件
使用自定义标题栏需要把pages.json的globalStyle的导航栏样式取消默认的原生导航栏
官方的自定义导航栏样式和左边点击事件不太符合个人项目，所以对源码进行了修改，下面是源码：
<template>
<view class="uni-navbar" :class="{'uni-dark':dark}">
<view :class="{ 'uni-navbar--fixed': fixed, 'uni-navbar--shadow': shadow, 'uni-navbar--border': border }"
:style="{ 'background-color': themeBgColor }" class="uni-navbar__content">
<status-bar v-if="statusBar" />
<view
:style="{ color: themeColor,backgroundColor: themeBgColor ,height:navbarHeight,'background-image':bgImageColor}"
class="uni-navbar__header">
<view @tap="onClickLeft" class="uni-navbar__header-btns uni-navbar__header-btns-left"
:style="{width:leftIconWidth}">
<slot name="left">
<view class="uni-navbar__content_view" v-if="leftIcon.length > 0">
<uni-icons :color="themeColor" :type="leftIcon" size="20" />
</view>
<view :class="{ 'uni-navbar-btn-icon-left': !leftIcon.length > 0 }" class="uni-navbar-btn-text"
v-if="leftText.length">
<text :style="{ color: themeColor, fontSize: '12px' }">{{ leftText }}</text>
</view>
</slot>
</view>
<view class="uni-navbar__header-container " @tap="onClickTitle">
<slot>
<view class="uni-navbar__header-container-inner" v-if="title.length>0">
<text class="uni-nav-bar-text uni-ellipsis-1"
:style="{color: themeColor }">{{ title }}</text>
</view>
</slot>
</view>
<view @click="onClickRight" class="uni-navbar__header-btns uni-navbar__header-btns-right"
:style="{width:rightIconWidth}">
<slot name="right">
<view v-if="rightIcon.length">
<uni-icons :color="themeColor" :type="rightIcon" size="22" />
</view>
<view class="uni-navbar-btn-text" v-if="rightText.length && !rightIcon.length">
<text class="uni-nav-bar-right-text" :style="{ color: themeColor}">{{ rightText }}</text>
</view>
</slot>
</view>
</view>
</view>
<view class="uni-navbar__placeholder" v-if="fixed">
<status-bar v-if="statusBar" />
<view class="uni-navbar__placeholder-view" :style="{ height:navbarHeight}" />
</view>
</view>
</template>
<script>
import statusBar from './uni-status-bar.vue';
const getVal = (val) => typeof val === 'number' ? val + 'px' : val;
/**
* NavBar 自定义导航栏
* @description 导航栏组件，主要用于头部导航
* @tutorial https://ext.dcloud.net.cn/plugin?id=52
* @property {Boolean} dark 开启黑暗模式
* @property {String} title 标题文字
* @property {String} leftText 左侧按钮文本
* @property {String} rightText 右侧按钮文本
* @property {String} leftIcon 左侧按钮图标（图标类型参考 [Icon 图标](http://ext.dcloud.net.cn/plugin?id=28) type 属性）
* @property {String} rightIcon 右侧按钮图标（图标类型参考 [Icon 图标](http://ext.dcloud.net.cn/plugin?id=28) type 属性）
* @property {String} color 图标和文字颜色
* @property {String} backgroundColor 导航栏背景颜色
* @property {String} bgImage 导航栏背景颜色或者背景图片
* @property {Boolean} fixed = [true|false] 是否固定顶部
* @property {Boolean} statusBar = [true|false] 是否包含状态栏
* @property {Boolean} shadow = [true|false] 导航栏下是否有阴影
* @event {Function} clickLeft 左侧按钮点击时触发
* @event {Function} clickRight 右侧按钮点击时触发
* @event {Function} clickTitle 中间标题点击时触发
*/
export default {
name: 'UniNavBar',
components: {
statusBar
},
emits: ['clickLeft', 'clickRight', 'clickTitle'],
props: {
dark: {
type: Boolean,
default: false
},
title: {
type: String,
default: ''
},
leftText: {
type: String,
default: ''
},
rightText: {
type: String,
default: ''
},
leftIcon: {
type: String,
default: ''
},
rightIcon: {
type: String,
default: ''
},
fixed: {
type: [Boolean, String],
default: false
},
color: {
type: String,
default: ''
},
backgroundColor: {
type: String,
default: ''
},
statusBar: {
type: [Boolean, String],
default: true
},
shadow: {
type: [Boolean, String],
default: false
},
border: {
type: [Boolean, String],
default: true
},
height: {
type: [Number, String],
default: 44
},
leftWidth: {
type: [Number, String],
default: 60
},
rightWidth: {
type: [Number, String],
default: 60
},
bgImage: {
type: String,
default: ''
},
},
computed: {
themeBgColor() {
if (this.dark) {
// 默认值
if (this.backgroundColor) {
return this.backgroundColor
} else {
return this.dark ? '#333' : '#FFF'
}
}
return this.backgroundColor || '#FFF'
},
themeColor() {
if (this.dark) {
// 默认值
if (this.color) {
return this.color
} else {
return this.dark ? '#fff' : '#333'
}
}
return this.color || '#fff'
},
bgImageColor() {
// 默认值
if (this.bgImage) {
return this.bgImage
} else {
return 'linear-gradient(45deg, #ec008c, #6739b6)'
}
},
navbarHeight() {
return getVal(this.height)
},
leftIconWidth() {
return getVal(this.leftWidth)
},
rightIconWidth() {
return getVal(this.rightWidth)
}
},
mounted() {
if (uni.report && this.title !== '') {
uni.report('title', this.title)
}
},
methods: {
onClickLeft() {
// 把页面导航栏这边点击时间改造成页面返回事件
// 有些页面需要返回上几级页面，使用本地存储的pageCurrent值来配合
//默认返回上一页面
if (uni.getStorageSync('pageCurrent') == '')
uni.setStorageSync('pageCurrent', 1)
if (uni.getStorageSync('pageCurrent') != 1) {
uni.navigateBack({
delta: uni.getStorageSync('pageCurrent')
});
uni.setStorageSync('pageCurrent', 1)
} else {
uni.navigateBack({
delta: 1
});
}
// this.$emit("clickLeft");
},
onClickRight() {
this.$emit('clickRight');
},
onClickTitle() {
this.$emit('clickTitle');
}
}
};
</script>
<style lang="scss" scoped>
$nav-height: 44px;
.uni-navbar {
// box-sizing: border-box;
}
.uni-nav-bar-text {
/* #ifdef APP-PLUS */
font-size: 34rpx;
/* #endif */
/* #ifndef APP-PLUS */
font-size: 14px;
/* #endif */
}
.uni-nav-bar-right-text {
font-size: 12px;
}
.uni-navbar__content {
position: relative;
// background-color: #fff;
// box-sizing: border-box;
background-color: transparent;
}
.uni-navbar__content_view {
// box-sizing: border-box;
}
.uni-navbar-btn-text {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
flex-direction: column;
justify-content: flex-start;
align-items: center;
line-height: 12px;
}
.uni-navbar__header {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
padding: 0 10px;
flex-direction: row;
height: $nav-height;
font-size: 12px;
}
.uni-navbar__header-btns {
/* #ifndef APP-NVUE */
overflow: hidden;
display: flex;
/* #endif */
flex-wrap: nowrap;
flex-direction: row;
width: 120rpx;
// padding: 0 6px;
justify-content: center;
align-items: center;
/* #ifdef H5 */
cursor: pointer;
/* #endif */
}
.uni-navbar__header-btns-left {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
width: 120rpx;
justify-content: flex-start;
align-items: center;
}
.uni-navbar__header-btns-right {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
flex-direction: row;
// width: 150rpx;
// padding-right: 30rpx;
justify-content: flex-end;
align-items: center;
}
.uni-navbar__header-container {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
flex: 1;
padding: 0 10px;
overflow: hidden;
}
.uni-navbar__header-container-inner {
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
flex: 1;
flex-direction: row;
align-items: center;
justify-content: center;
font-size: 12px;
overflow: hidden;
// box-sizing: border-box;
}
.uni-navbar__placeholder-view {
height: $nav-height;
}
.uni-navbar--fixed {
position: fixed;
z-index: 998;
/* #ifdef H5 */
left: var(--window-left);
right: var(--window-right);
/* #endif */
/* #ifndef H5 */
left: 0;
right: 0;
/* #endif */
}
.uni-navbar--shadow {
box-shadow: 0 1px 6px #ccc;
}
.uni-navbar--border {
border-bottom-width: 1rpx;
border-bottom-style: solid;
border-bottom-color: #eee;
}
.uni-ellipsis-1 {
overflow: hidden;
/* #ifndef APP-NVUE */
white-space: nowrap;
text-overflow: ellipsis;
/* #endif */
/* #ifdef APP-NVUE */
lines: 1;
text-overflow: ellipsis;
/* #endif */
}
// 暗主题配置
.uni-dark {}
</style>
页面中使用自定义导航栏
<template>
<view>
<uni-nav-bar leftIcon="arrowleft" :status-bar="true" fixed="true" color="#ffffff" bgImage="linear-gradient(45deg, #ec008c, #6739b6)" title="移动开发框架" />
<uni-nav-bar leftIcon="arrowleft" :status-bar="false" fixed="true" color="#ffffff" bgImage="url('/static/bg.png')" title="移动开发框架" />
<uni-nav-bar leftIcon="arrowleft" :status-bar="false" fixed="true" color="#000000" bgImage="#EEEEEE" title="移动开发框架" />
</view>
</template>
<script>
import uniNavBar from '@/components/uni-nav-bar/uni-nav-bar.vue'
export default {
data() {
return {
}
},
components: {
uniNavBar
},
onLoad() {
},
methods: {
}
}
</script>
<style>
</style>
效果：
