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187 lines
5.0 KiB
Vue
187 lines
5.0 KiB
Vue
<template>
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<view class="u-navbar">
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<view
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class="u-navbar__placeholder"
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v-if="fixed && placeholder"
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:style="{
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height: $u.addUnit($u.getPx(height) + $u.sys().statusBarHeight,'px'),
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}"
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></view>
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<view :class="[fixed && 'u-navbar--fixed']">
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<u-status-bar
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v-if="safeAreaInsetTop"
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:bgColor="bgColor"
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></u-status-bar>
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<view
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class="u-navbar__content"
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:class="[border && 'u-border-bottom']"
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:style="{
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height: $u.addUnit(height),
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backgroundColor: bgColor,
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}"
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>
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<view
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class="u-navbar__content__left"
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hover-class="u-navbar__content__left--hover"
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hover-start-time="150"
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@tap="leftClick"
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>
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<slot name="left">
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<u-icon
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v-if="leftIcon"
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:name="leftIcon"
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:size="leftIconSize"
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:color="leftIconColor"
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></u-icon>
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<text
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v-if="leftText"
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:style="{
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color: leftIconColor
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}"
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class="u-navbar__content__left__text"
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>{{ leftText }}</text>
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</slot>
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</view>
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<slot name="center">
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<text
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class="u-line-1 u-navbar__content__title"
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:style="[{
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width: $u.addUnit(titleWidth),
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}, $u.addStyle(titleStyle)]"
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>{{ title }}</text>
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</slot>
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<view
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class="u-navbar__content__right"
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v-if="$slots.right || rightIcon || rightText"
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@tap="rightClick"
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>
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<slot name="right">
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<u-icon
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v-if="rightIcon"
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:name="rightIcon"
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size="20"
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></u-icon>
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<text
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v-if="rightText"
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class="u-navbar__content__right__text"
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>{{ rightText }}</text>
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</slot>
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</view>
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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 props from './props.js';
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/**
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* Navbar 自定义导航栏
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* @description 此组件一般用于在特殊情况下，需要自定义导航栏的时候用到，一般建议使用uni-app带的导航栏。
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* @tutorial https://www.uviewui.com/components/navbar.html
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* @property {Boolean} safeAreaInsetTop 是否开启顶部安全区适配 （默认 true ）
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* @property {Boolean} placeholder 固定在顶部时，是否生成一个等高元素，以防止塌陷 （默认 false ）
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* @property {Boolean} fixed 导航栏是否固定在顶部 （默认 false ）
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* @property {Boolean} border 导航栏底部是否显示下边框 （默认 false ）
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* @property {String} leftIcon 左边返回图标的名称，只能为uView自带的图标 （默认 'arrow-left' ）
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* @property {String} leftText 左边的提示文字
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* @property {String} rightText 右边的提示文字
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* @property {String} rightIcon 右边返回图标的名称，只能为uView自带的图标
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* @property {String} title 导航栏标题，如设置为空字符，将会隐藏标题占位区域
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* @property {String} bgColor 导航栏背景设置 （默认 '#ffffff' ）
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* @property {String | Number} titleWidth 导航栏标题的最大宽度，内容超出会以省略号隐藏 （默认 '400rpx' ）
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* @property {String | Number} height 导航栏高度(不包括状态栏高度在内，内部自动加上)（默认 '44px' ）
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* @property {String | Number} leftIconSize 左侧返回图标的大小（默认 20px ）
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* @property {String | Number} leftIconColor 左侧返回图标的颜色（默认 #303133 ）
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* @property {Boolean} autoBack 点击左侧区域(返回图标)，是否自动返回上一页（默认 false ）
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* @property {Object | String} titleStyle 标题的样式，对象或字符串
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* @event {Function} leftClick 点击左侧区域
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* @event {Function} rightClick 点击右侧区域
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* @example <u-navbar title="剑未配妥，出门已是江湖" left-text="返回" right-text="帮助" @click-left="onClickBack" @click-right="onClickRight"></u-navbar>
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*/
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export default {
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name: 'u-navbar',
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mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
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data() {
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return {
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}
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},
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methods: {
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// 点击左侧区域
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leftClick() {
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// 如果配置了autoBack，自动返回上一页
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this.$emit('leftClick')
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if(this.autoBack) {
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uni.navigateBack()
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}
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},
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// 点击右侧区域
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rightClick() {
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this.$emit('rightClick')
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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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@import "../../libs/css/components.scss";
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.u-navbar {
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&--fixed {
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position: fixed;
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left: 0;
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right: 0;
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top: 0;
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z-index: 11;
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}
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&__content {
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@include flex(row);
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align-items: center;
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height: 44px;
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background-color: #9acafc;
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position: relative;
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justify-content: center;
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&__left,
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&__right {
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padding: 0 13px;
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position: absolute;
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top: 0;
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bottom: 0;
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@include flex(row);
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align-items: center;
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}
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&__left {
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left: 0;
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&--hover {
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opacity: 0.7;
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}
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&__text {
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font-size: 15px;
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margin-left: 3px;
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}
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}
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&__title {
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text-align: center;
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font-size: 16px;
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color: $u-main-color;
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}
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&__right {
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right: 0;
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&__text {
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font-size: 15px;
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margin-left: 3px;
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}
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}
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}
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}
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</style>
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