532 lines
14 KiB
Vue
532 lines
14 KiB
Vue
<template>
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<view>
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<view
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:class="[{ header_fixed: navFixed, header_absolute: type == 'transparent', header_shadow: navShadow, header_colorWhite: isWhite }, themeBgColorName]"
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:style="[navBgColor ? { backgroundImage: navBgColor } : {}, { paddingTop: statusBarHeight + 'px', color: navFontColor, opacity: transparentValue }]"
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>
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<view class="header_content">
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<view class="header_left_box">
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<slot name="left">
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<view class="header_left_info" :class="{ header_btnMongol: isTwoBtn, header_colorWhite_btnMongol: isWhite && isTwoBtn }" v-if="back || $slots.left || home">
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<view class="header_left_back" :class="{ header_btnMongol_left_back: isTwoBtn }" v-if="back && !firstPage" @click="onBackPage">
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<image class="header_icon" v-if="isWhite" src="/static/zhouWei-navBar/icon_back_white.png" mode="aspectFit"></image>
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<image class="header_icon" v-else src="/static/zhouWei-navBar/icon_back_black.png" mode="aspectFit"></image>
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</view>
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<text class="header_left_line" :class="{ header_colorWhite_left_line: isWhite }" v-if="isTwoBtn"></text>
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<view class="header_left_home" :class="{ header_btnMongol_left_home: isTwoBtn }" v-if="(firstPage && back) || home" @click="onBackHome">
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<image class="header_icon" v-if="isWhite" src="/static/zhouWei-navBar/icon_home_white.png" mode="aspectFit"></image>
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<image class="header_icon" v-else src="/static/zhouWei-navBar/icon_home_black.png" mode="aspectFit"></image>
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</view>
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</view>
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</slot>
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<view class="header_title" v-if="!titleCenter && ($slots.default || navTitle)" :style="{ color: navFontColor }">
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<slot>
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<text :style="{ color: navFontColor }">{{ navTitle }}</text>
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</slot>
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</view>
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</view>
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<view class="header_title header_title_center" v-if="titleCenter && ($slots.default || navTitle)" :style="{ color: navFontColor }">
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<slot>
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<text :style="{ color: navFontColor }">{{ navTitle }}</text>
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</slot>
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</view>
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<view class="header_right_info"><slot name="right"></slot></view>
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</view>
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</view>
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<view
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class="header_transparentFixed header_fixed"
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v-if="type == 'transparentFixed'"
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:style="{ paddingTop: statusBarHeight + 'px', color: navTransparentFixedFontColor, opacity: 1 - transparentValue, zIndex: transparentValue < 0.3 ? 100 : 90 }"
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>
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<view class="header_content">
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<view class="header_left_box">
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<slot name="transparentFixedLeft">
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<view
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class="header_left_info header_transparentFixed_left_info"
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:class="{ header_transparentFixed_colorWhite_left_info: isWhite }"
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v-if="back || $slots.left || home"
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>
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<view class="header_left_back" :class="{ header_btnMongol_left_back: isTwoBtn }" v-if="back && !firstPage" @click="onBackPage">
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<image class="header_icon" v-if="isWhite" src="/static/zhouWei-navBar/icon_back_white.png" mode="aspectFit"></image>
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<image class="header_icon" v-else src="/static/zhouWei-navBar/icon_back_black.png" mode="aspectFit"></image>
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</view>
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<text class="header_left_line" v-if="isTwoBtn"></text>
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<view class="header_left_home" :class="{ header_btnMongol_left_home: isTwoBtn }" v-if="(firstPage && back) || home" @click="onBackHome">
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<image class="header_icon" v-if="isWhite" src="/static/zhouWei-navBar/icon_home_white.png" mode="aspectFit"></image>
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<image class="header_icon" v-else src="/static/zhouWei-navBar/icon_home_black.png" mode="aspectFit"></image>
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</view>
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</view>
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</slot>
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<view class="header_title" v-if="!titleCenter && (navTitle || $slots.transparentFixed)" :style="{ color: navTransparentFixedFontColor }">
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<slot name="transparentFixed">
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<text :style="{ color: navTransparentFixedFontColor }">{{ navTitle }}</text>
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</slot>
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</view>
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</view>
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<view class="header_title header_title_center" v-if="titleCenter && (navTitle || $slots.transparentFixed)" :style="{ color: navTransparentFixedFontColor }">
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<slot name="transparentFixed">
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<text :style="{ color: navTransparentFixedFontColor }">{{ navTitle }}</text>
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</slot>
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</view>
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<view class="header_right_info"><slot name="transparentFixedRight"></slot></view>
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</view>
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</view>
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<view v-if="type == 'fixed'" :style="{ paddingTop: statusBarHeight + 'px' }"><view class="header_station"></view></view>
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</view>
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</template>
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<script>
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// 主页页面的页面路径
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// 关联功能：打开的页面只有一个的时候右上角自动显示返回首页按钮，下面这个数组是排除显示返回首页的页面。
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// 主页使用场景：小程序分享出去的页面，用户点击开是分享页面，很多情况下是没有返回首页按钮的
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const mainPagePath = ['/pages/index/index', 'pages/my/my', 'pages/demo/common', 'pages/template/common', 'pages/apiDemo/common'];
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//返回首页的地址
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const homePath = '/pages/index/index';
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//白色表达值
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const whiteList = ['#FFF', '#FFFFFF', 'white', 'rgb(255,255,255)', 'rgba(255,255,255,1)'];
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export default {
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props: {
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//是否显示返回按钮
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// 1000 显示返回按钮
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// 2000 不显示返回按钮
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// 3000 自定义返回按钮方法，点击返回箭头后会发送一个backClick事件
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backState: {
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default: function() {
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return 1000;
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}
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},
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//是否显示返回首页按钮
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home: {
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type: Boolean,
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default: function() {
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return false;
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}
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},
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//导航背景色，支持渐变
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bgColor: {
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type: [String, Array],
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default: function() {
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return '#FFFFFF';
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}
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},
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// 导航背景色渐变角度
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bgColorAngle: {
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type: [String, Number],
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default: function() {
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return 90;
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}
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},
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//导航字体颜色，字体颜色为白色的时候会把手机状态栏设置为白色，否则为黑色
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fontColor: {
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type: String,
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default: function() {
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return '#000000';
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}
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},
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//标题是否居中
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titleCenter: {
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type: Boolean,
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default: function() {
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return true;
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}
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},
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//标题
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title: {
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type: String,
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default: function() {
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return '';
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}
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},
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//类型 fixed为固定 默认
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// ordinary 普通的 不固定
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// transparent 透明不固定的
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//transparentFixed 透明固定的
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type: {
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type: String,
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default: function() {
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return 'fixed';
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}
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},
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//透明固定的时候字体颜色
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transparentFixedFontColor: {
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type: String,
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default: function() {
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return '#000000';
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}
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},
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// 屏幕滑动距离顶部距离(透明固定导航比传)
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scrollTop: {
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type: Number,
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default: function() {
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return 0;
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}
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},
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// 是否显示阴影
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shadow: {
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type: Boolean,
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default: function() {
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return true;
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}
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}
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},
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data() {
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return {
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//当前页面是否是第一个页面
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firstPage: false,
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//透明度值
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transparentValue: 1,
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//标题
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navTitle: '',
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//字体色
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navFontColor: '#000000',
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//背景色
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navBgColor: '',
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//透明底字体色
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navTransparentFixedFontColor: '#000000',
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// 是否使用
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themeBgColor: false,
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// 导航栏高度
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statusBarHeight: 0,
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// 上次显示的导航栏颜色
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lastFrontColor: '',
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themeBgColorName: ''
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};
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},
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computed: {
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back() {
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return this.backState == 1000 || this.backState == 3000;
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},
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//导航固定
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navFixed() {
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if (this.type == 'transparentFixed' || this.type == 'fixed') {
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return true;
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} else {
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return false;
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}
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},
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//导航底部线是否显示
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navShadow() {
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if (this.bgColor && typeof this.bgColor == 'string') {
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return this.shadow && this.type !== 'transparent' && whiteList.includes(this.bgColor);
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} else {
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return false;
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}
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},
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//导航字体是否是白色颜色
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isWhite() {
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return whiteList.includes(this.navFontColor);
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},
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//右上角是否有两个按钮
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isTwoBtn() {
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return (this.backState == 1000 || this.backState == 3000) && this.home && !this.firstPage;
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}
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},
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watch: {
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title(val) {
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this.navTitle = val;
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},
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fontColor(val) {
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this.navFontColor = val;
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this.settingColor();
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},
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bgColor(val) {
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this.getNavBgColor(val);
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},
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transparentFixedFontColor(val) {
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this.navTransparentFixedFontColor = val;
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},
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scrollTop(val) {
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this.pageScroll({
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scrollTop: val
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});
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}
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},
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//第一次加载
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created() {
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this.navTitle = this.title;
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this.navFontColor = this.fontColor;
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this.getNavBgColor(this.bgColor);
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this.navTransparentFixedFontColor = this.transparentFixedFontColor;
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//获取手机状态栏高度
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this.statusBarHeight = uni.getSystemInfoSync()['statusBarHeight'];
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const _this = this;
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this.pageScroll({
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scrollTop: this.scrollTop
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});
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//获取所有页面
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let currentPages = getCurrentPages();
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let pageLen = currentPages.length;
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//判断是否是第一个页面，如果是有设置back为true的页面，将不显示返回箭头，而显示返回首页按钮
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if (pageLen == 1 && !mainPagePath.includes(currentPages[0].route)) {
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this.firstPage = true;
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}
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},
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//方法
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methods: {
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//返回上一页面
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onBackPage() {
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if (this.backState == 3000) {
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this.$emit('backClick');
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} else {
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uni.navigateBack();
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}
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},
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//返回首页
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onBackHome() {
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uni.switchTab({
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url: homePath
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});
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},
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pageScroll(e) {
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if (this.type == 'transparentFixed') {
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if (e.scrollTop && e.scrollTop > 0) {
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if (e.scrollTop > 180) {
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this.transparentValue = 1;
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} else {
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this.transparentValue = e.scrollTop / 180;
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}
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} else {
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this.transparentValue = 0;
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}
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this.settingColor();
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}
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},
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// 获取导航背景颜色
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getNavBgColor(val) {
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if (val.indexOf('#') === -1) {
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this.themeBgColorName = val;
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this.themeBgColor = true;
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this.navBgColor = '';
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} else if (this.type == 'transparent') {
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this.themeBgColor = false;
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this.navBgColor = '';
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} else {
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if (typeof val == 'string') {
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this.navBgColor = 'linear-gradient(90deg,' + val + ',' + val + ')';
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} else if (Array.isArray(val) && val.length >= 2) {
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let navBgColor = 'linear-gradient(' + this.bgColorAngle + 'deg';
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val.forEach(item => {
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if (typeof item == 'string') {
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navBgColor += ',' + item;
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} else if (typeof item == 'object') {
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navBgColor += ',' + item.color + ' ' + item.scale;
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}
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});
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navBgColor += ')';
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this.navBgColor = navBgColor;
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}
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}
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},
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//设置手机状态栏颜色
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settingColor() {
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let navColor = this.navFontColor;
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if (this.type == 'transparentFixed' && this.transparentValue <= 0.5) {
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navColor = this.navTransparentFixedFontColor;
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}
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let frontColor = '#000000';
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if (whiteList.includes(navColor)) {
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frontColor = '#ffffff';
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}
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if (this.lastFrontColor == frontColor) {
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return;
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}
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setTimeout(() => {
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this.lastFrontColor = frontColor;
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// 改变手机状态栏颜色
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uni.setNavigationBarColor({
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frontColor: frontColor,
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backgroundColor: '#FFFFFF'
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});
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}, 150);
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}
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}
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};
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</script>
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<style lang="scss">
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.header_content {
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/* #ifndef APP-NVUE */
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display: flex;
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/* #endif */
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/* #ifdef MP */
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padding-right: 190rpx;
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box-sizing: border-box;
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/* #endif */
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width: 750rpx;
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align-items: flex-end;
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justify-content: space-between;
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flex-direction: row;
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height: 88rpx;
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position: relative;
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}
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.header_station {
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height: 88rpx;
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}
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.header_shadow {
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// border-style: solid;
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// border-width: 2rpx;
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// border-color: #f5f5f5;
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box-shadow: 0 0 6rpx 0 #ddd;
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}
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.header_fixed {
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position: fixed;
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top: 0;
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left: 0;
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width: 750rpx;
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z-index: 99;
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}
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.header_absolute {
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position: absolute;
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top: 0;
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left: 0;
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z-index: 99;
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width: 750rpx;
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background-color: transparent !important;
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}
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.header_left_box {
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/* #ifndef APP-PLUS-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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align-items: center;
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height: 88rpx;
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flex: 1;
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}
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.header_left_line {
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height: 30rpx;
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width: 2rpx;
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background-color: rgba(255, 255, 255, 0.4);
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}
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.header_left_back {
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width: 56rpx;
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height: 100%;
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/* #ifndef APP-PLUS-NVUE */
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display: flex;
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/* #endif */
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align-items: center;
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justify-content: center;
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}
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.header_icon {
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width: 30rpx;
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height: 30rpx;
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}
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.header_left_home {
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width: 56rpx;
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height: 100%;
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/* #ifndef APP-PLUS-NVUE */
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display: flex;
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/* #endif */
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align-items: center;
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justify-content: center;
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}
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.header_left_info {
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/* #ifndef APP-PLUS-NVUE */
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display: flex;
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/* #endif */
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flex-direction: row;
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align-items: center;
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height: 56rpx;
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margin-left: 16rpx;
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}
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.header_title {
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height: 88rpx;
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font-size: 32rpx;
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padding-left: 30rpx;
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padding-right: 30rpx;
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font-weight: 700;
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text-overflow: ellipsis;
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/* #ifndef APP-PLUS-NVUE */
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white-space: nowrap;
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display: flex;
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overflow: hidden;
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/* #endif */
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/* #ifdef APP-PLUS-NVUE */
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lines: 1;
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/* #endif */
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flex-direction: row;
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align-items: center;
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justify-content: center;
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/* #ifdef MP */
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max-width: calc(100vw - 160rpx);
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/* #endif */
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}
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.header_title_center {
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position: absolute;
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bottom: 0rpx;
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left: 375rpx;
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transform: translateX(-50%);
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}
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.header_right_info {
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height: 88rpx;
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/* #ifndef APP-PLUS-NVUE */
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display: flex;
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flex-shrink: 0;
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/* #endif */
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flex-direction: row;
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align-items: center;
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}
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.header_btnMongol {
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border-radius: 33rpx;
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border-style: solid;
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border-width: 2rpx;
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border-color: rgba(0, 0, 0, 0.1);
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background-color: rgba(255, 255, 255, 0.7);
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/* #ifndef APP-PLUS-NVUE */
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box-sizing: border-box;
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/* #endif */
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}
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.header_btnMongol_left_back,
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.header_btnMongol_left_home {
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width: 70rpx;
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}
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.header_transparentFixed {
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border-bottom-width: 0;
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background-color: transparent;
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background-image: transparent;
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}
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.header_transparentFixed_left_info {
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border-style: solid;
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border-width: 2rpx;
|
||
border-color: rgba(0, 0, 0, 0.1);
|
||
background-color: rgba(255, 255, 255, 0.7);
|
||
border-radius: 33rpx;
|
||
/* #ifndef APP-PLUS-NVUE */
|
||
box-sizing: border-box;
|
||
/* #endif */
|
||
}
|
||
|
||
.header_transparentFixed_colorWhite_left_info {
|
||
border-style: solid;
|
||
border-width: 2rpx;
|
||
border-color: rgba(255, 255, 255, 0.3);
|
||
background-color: rgba(0, 0, 0, 0.2);
|
||
}
|
||
|
||
//颜色白色
|
||
.header_colorWhite_btnMongol {
|
||
border-style: solid;
|
||
border-width: 2rpx;
|
||
border-color: rgba(255, 255, 255, 0.3);
|
||
background-color: rgba(0, 0, 0, 0.2);
|
||
}
|
||
|
||
.header_colorWhite_left_line {
|
||
background-color: rgba(255, 255, 255, 0.3);
|
||
}
|
||
</style>
|