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						<template>	<view class="u-navbar">		<view			class="u-navbar__placeholder"			v-if="fixed && placeholder"			:style="{				height: $u.addUnit($u.getPx(height) + $u.sys().statusBarHeight,'px'),			}"		></view>		<view :class="[fixed && 'u-navbar--fixed']">			<u-status-bar				v-if="safeAreaInsetTop"				:bgColor="bgColor"			></u-status-bar>			<view				class="u-navbar__content"				:class="[border && 'u-border-bottom']"				:style="{					height: $u.addUnit(height),					backgroundColor: bgColor,				}"			>				<view					class="u-navbar__content__left"					hover-class="u-navbar__content__left--hover"					hover-start-time="150"					@tap="leftClick"				>					<slot name="left">						<u-icon							v-if="leftIcon"							:name="leftIcon"							:size="leftIconSize"							:color="leftIconColor"						></u-icon>						<text							v-if="leftText"							:style="{								color: leftIconColor							}"							class="u-navbar__content__left__text"						>{{ leftText }}</text>					</slot>				</view>				<slot name="center">					<text						class="u-line-1 u-navbar__content__title"						:style="[{							width: $u.addUnit(titleWidth),						}, $u.addStyle(titleStyle)]"					>{{ title }}</text>				</slot>				<view					class="u-navbar__content__right"					v-if="$slots.right || rightIcon || rightText"					@tap="rightClick"				>					<slot name="right">						<u-icon							v-if="rightIcon"							:name="rightIcon"							size="20"						></u-icon>						<text							v-if="rightText"							class="u-navbar__content__right__text"						>{{ rightText }}</text>					</slot>				</view>			</view>		</view>	</view></template>
<script>	import props from './props.js';	/**	 * Navbar 自定义导航栏	 * @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。	 * @tutorial https://www.uviewui.com/components/navbar.html
	 * @property {Boolean}			safeAreaInsetTop	是否开启顶部安全区适配  (默认 true )	 * @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 )	 * @property {Boolean}			fixed				导航栏是否固定在顶部 (默认 false )	 * @property {Boolean}			border				导航栏底部是否显示下边框 (默认 false )	 * @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' )	 * @property {String}			leftText			左边的提示文字	 * @property {String}			rightText			右边的提示文字	 * @property {String}			rightIcon			右边返回图标的名称,只能为uView自带的图标	 * @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	 * @property {String}			bgColor				导航栏背景设置 (默认 '#ffffff' )	 * @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' )	 * @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' )	 * @property {String | Number}	leftIconSize		左侧返回图标的大小(默认 20px )	 * @property {String | Number}	leftIconColor		左侧返回图标的颜色(默认 #303133 )	 * @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 )	 * @property {Object | String}	titleStyle			标题的样式,对象或字符串	 * @event {Function} leftClick		点击左侧区域	 * @event {Function} rightClick		点击右侧区域	 * @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>	 */	export default {		name: 'u-navbar',		mixins: [uni.$u.mpMixin, uni.$u.mixin, props],		data() {			return {
			}		},		methods: {			// 点击左侧区域
			leftClick() {				// 如果配置了autoBack,自动返回上一页
				this.$emit('leftClick')				if(this.autoBack) {					uni.navigateBack()				}			},			// 点击右侧区域
			rightClick() {				this.$emit('rightClick')			},		}	}</script>
<style lang="scss" scoped>	@import "../../libs/css/components.scss";
	.u-navbar {
		&--fixed {			position: fixed;			left: 0;			right: 0;			top: 0;			z-index: 11;		}
		&__content {			@include flex(row);			align-items: center;			height: 44px;			background-color: #9acafc;			position: relative;			justify-content: center;
			&__left,			&__right {				padding: 0 13px;				position: absolute;				top: 0;				bottom: 0;				@include flex(row);				align-items: center;			}
			&__left {				left: 0;								&--hover {					opacity: 0.7;				}
				&__text {					font-size: 15px;					margin-left: 3px;				}			}
			&__title {				text-align: center;				font-size: 16px;				color: $u-main-color;			}
			&__right {				right: 0;
				&__text {					font-size: 15px;					margin-left: 3px;				}			}		}	}</style>
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