forked from zhongyuanhaiju/uniapp
338 lines
8.2 KiB
Vue
338 lines
8.2 KiB
Vue
<template>
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<!-- #ifndef H5 -->
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<view>
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<view class="u-navbar u-navbar-fixed" :style="{ backgroundColor: bgColor, textAlign: globalS.textImgPosLink, paddingTop: navbarHeight + 'px' }">
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<view class="u-navbar-inner" :style="navbarInnerStyle">
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<view class="u-back-wrap" v-if="isBack && isBackShow" @tap="goBack">
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<view
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class="u-icon-wrap"
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:style="{
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color: titleColor
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}"
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>
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<text class="iconfont icon-back_light"></text>
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</view>
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</view>
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<block v-if="globalS.navStyle == 1">
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<view class="u-navbar-content-title" :class="{ 'have-back': isBack && isBackShow }" v-if="globalS.title" @click="toLink(globalS.moreLink.wap_url)">
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<view class="u-title" :style="{ color: globalS.textNavColor, textAlign: globalS.textImgPosLink }">{{ globalS.title }}</view>
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</view>
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</block>
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<block v-if="globalS.navStyle == 2">
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<view class="u-navbar-content-title u-navbar-content-title_img" v-if="globalS.title" @click="toLink(globalS.moreLink.wap_url)">
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<view class="u-title img_text" :style="{ color: globalS.textNavColor, textAlign: 'left' }">
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<view><image :src="$util.img(globalS.topNavImg)" mode="aspectFit"></image></view>
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<view :style="{ color: globalS.textNavColor }">{{ globalS.title }}</view>
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</view>
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</view>
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</block>
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<block v-if="globalS.navStyle == 3">
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<view class="u-navbar-content-title">
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<view
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class="u-title img"
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@click="toLink(globalS.moreLink.wap_url)"
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:style="{
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color: globalS.textNavColor,
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textAlign: globalS.textImgPosLink
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}"
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>
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<image :src="$util.img(globalS.topNavImg)" mode="aspectFit"></image>
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</view>
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<view
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class="search"
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@click="$util.redirectTo('/pages_tool/goods/search')"
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:style="{ height: menuButtonInfo.height - 2 + 'px', lineHeight: menuButtonInfo.height - 2 + 'px' }"
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>
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<text class="iconfont icon-sousuo3"></text>
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请输入商品名称
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</view>
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</view>
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</block>
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</view>
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</view>
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<!-- 解决fixed定位后导航栏塌陷的问题 -->
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<view class="u-navbar-placeholder" :style="{ width: '100%', paddingTop: navbarHeight + 'px' }"></view>
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</view>
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<!-- #endif -->
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</template>
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<script>
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// 获取系统状态栏的高度
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let systemInfo = uni.getSystemInfoSync();
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let menuButtonInfo = {};
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// 如果是小程序，获取右上角胶囊的尺寸信息，避免导航栏右侧内容与胶囊重叠(支付宝小程序非本API，尚未兼容)
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// #ifdef MP-WEIXIN || MP-BAIDU || MP-TOUTIAO || MP-QQ
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menuButtonInfo = uni.getMenuButtonBoundingClientRect();
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// #endif
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/**
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* navbar 自定义导航栏
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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 Number} title-width 导航栏标题的最大宽度，内容超出会以省略号隐藏，单位rpx（默认250）
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* @property {String} title-color 标题的颜色（默认#606266）
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* @property {String Number} title-size 导航栏标题字体大小，单位rpx（默认32）
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* @property {Function} custom-back 自定义返回逻辑方法
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* @property {Boolean} is-back 是否显示导航栏左边返回图标和辅助文字（默认true）
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* @property {Boolean} is-fixed 导航栏是否固定在顶部（默认true）
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*/
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export default {
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name: 'ns-navbar',
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props: {
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globalS: {
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type: Object,
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default() {
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return {};
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}
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},
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// 导航栏标题
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title: {
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type: String,
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default: ''
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},
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// 标题的宽度，如果需要自定义右侧内容，且右侧内容很多时，可能需要减少这个宽度，单位rpx
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titleWidth: {
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type: [String, Number],
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default: '250'
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},
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// 标题的颜色
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titleColor: {
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type: String,
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default: '#606266'
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},
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// 自定义返回逻辑
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customBack: {
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type: Function,
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default: null
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},
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scrollTop: {
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type: [String, Number],
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default: '0'
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},
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isBack: {
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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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menuButtonInfo: menuButtonInfo,
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isBackShow: false
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};
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},
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computed: {
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// 导航栏内部盒子的样式
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navbarInnerStyle() {
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let style = '';
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// 导航栏宽度，如果在小程序下，导航栏宽度为胶囊的左边到屏幕左边的距离
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// style += 'height:' + this.navbarHeight + 'px;';
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style += 'height:' + menuButtonInfo.height * 2 + 'rpx;';
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// // 如果是各家小程序，导航栏内部的宽度需要减少右边胶囊的宽度
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// #ifdef MP
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let rightButtonWidth = menuButtonInfo.width ? menuButtonInfo.width * 2 + 'rpx' : '70rpx';
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// style.marginRight = 'calc(' + rightButtonWidth + ' + 30rpx)';
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// style += 'margin-right:calc(' + rightButtonWidth + ' + 30rpx);';
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// style += 'width:calc(100vw - ' + menuButtonInfo.width + ' - 30rpx);';
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// #endif
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return style;
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},
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// 转换字符数值为真正的数值
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navbarHeight() {
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// #ifdef APP-PLUS || H5
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return 44;
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// #endif
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// #ifdef MP
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// 小程序特别处理，让导航栏高度 = 胶囊高度 + 两倍胶囊顶部与状态栏底部的距离之差(相当于同时获得了导航栏底部与胶囊底部的距离)
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// 此方法有缺陷，暂不用(会导致少了几个px)，采用直接固定值的方式
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// return menuButtonInfo.height + (menuButtonInfo.top - this.navbarHeight) * 2;//导航高度
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// let height = systemInfo.platform == 'ios' ? 44 : 48;
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let height = menuButtonInfo.top;
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// height += systemInfo.navbarHeight;
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return height;
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// #endif
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},
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bgColor() {
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var color = '';
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if (!this.globalS.topNavBg) {
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color = this.globalS.topNavColor;
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} else {
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color = 'transparent';
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if (this.scrollTop > 80) {
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color = this.globalS.topNavColor;
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} else {
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color = 'transparent';
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}
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}
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return color;
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}
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},
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created(e) {
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var pages = getCurrentPages();
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if (pages.length > 1) {
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this.isBackShow = true;
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}
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},
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methods: {
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toLink(val) {
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if (val) this.$util.redirectTo(val);
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},
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goBack() {
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// 如果自定义了点击返回按钮的函数，则执行，否则执行返回逻辑
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if (typeof this.customBack === 'function') {
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this.customBack();
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} else {
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uni.navigateBack();
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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 scoped lang="scss">
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.u-navbar {
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width: 100%;
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transition: all 0.5s;
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}
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/* #ifdef MP */
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.u-navbar-content-title {
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padding: 0;
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}
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.have-back {
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padding: 0 30rpx 0 100rpx;
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left: 60rpx !important;
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right: 190rpx !important;
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}
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/* #endif */
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/* #ifndef MP */
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.u-navbar-content-title {
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padding: 0 200rpx 0 30rpx;
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}
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/* #endif */
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.u-navbar-placeholder {
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height: 80rpx;
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}
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.u-navbar-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: 991;
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}
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.u-navbar-inner {
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display: flex;
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justify-content: space-between;
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position: relative;
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align-items: center;
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padding-bottom: 20rpx;
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}
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.u-back-wrap {
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display: flex;
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align-items: center;
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flex: 1;
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flex-grow: 0;
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padding: 14rpx 14rpx 14rpx 24rpx;
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.iconfont {
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font-size: 44rpx;
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font-weight: bold;
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}
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}
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.u-navbar-content-title {
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display: flex;
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align-items: center;
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justify-content: flex-start;
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flex: 1;
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position: absolute;
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left: 0;
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right: 0;
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height: 60rpx;
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text-align: center;
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flex-shrink: 0;
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.search {
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flex: 0.4;
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margin-left: 30rpx;
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padding: 0 20rpx;
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height: 50rpx;
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background-color: #fff;
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text-align: left;
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border-radius: 60rpx;
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height: 60rpx;
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line-height: 60rpx;
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border: 1px solid #eeeeee;
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color: rgb(102, 102, 102);
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.icon-sousuo3 {
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color: #909399;
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font-size: $font-size-tag;
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margin-right: 10rpx;
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}
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}
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}
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.u-title {
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line-height: 1;
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flex: 1;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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&.img {
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height: 60rpx;
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width: 170rpx;
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max-width: 170rpx;
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margin-left: 20rpx;
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image {
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height: 100%;
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width: 100%;
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}
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}
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}
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.u-navbar-content-title_img {
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.u-title {
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flex: 1;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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font-weight: bold;
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&.img_text {
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display: flex !important;
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align-items: center;
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font-size: 28rpx !important;
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> view {
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height: 60rpx;
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line-height: 60rpx;
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width: 170rpx;
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margin-left: 20rpx;
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text {
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font-size: 24rpx;
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}
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image {
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width: 100%;
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height: 100%;
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}
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&:last-child {
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overflow: hidden; //超出的文本隐藏
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text-overflow: ellipsis; //用省略号显示
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white-space: nowrap; //不换行
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flex: 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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</style>
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