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			345 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
			
		
		
	
	
			345 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
| <template>
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| 	<view 
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| 	class="mescroll-body mescroll-render-touch" 
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| 	:style="{'minHeight':minHeight, 'padding-top': padTop, 'padding-bottom': padBottom}" 
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| 	@touchstart="wxsBiz.touchstartEvent" 
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| 	@touchmove="wxsBiz.touchmoveEvent" 
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| 	@touchend="wxsBiz.touchendEvent" 
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| 	@touchcancel="wxsBiz.touchendEvent"
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| 	:change:prop="wxsBiz.propObserver"
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| 	:prop="wxsProp"
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| 	>
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| 		<!-- 状态栏 -->
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| 		<view v-if="topbar&&statusBarHeight" class="mescroll-topbar" :style="{height: statusBarHeight+'px', background: topbar}"></view>
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| 		
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| 		<view class="mescroll-body-content mescroll-wxs-content" :style="{ transform: translateY, transition: transition }" :change:prop="wxsBiz.callObserver" :prop="callProp">
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| 			<!-- 下拉加载区域 (支付宝小程序子组件传参给子子组件仍报单项数据流的异常,暂时不通过mescroll-down组件实现)-->
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| 			<!-- <mescroll-down :option="mescroll.optDown" :type="downLoadType" :rate="downRate"></mescroll-down> -->
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| 			<view v-if="mescroll.optDown.use" class="mescroll-downwarp" :style="{'background':mescroll.optDown.bgColor,'color':mescroll.optDown.textColor}">
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| 				<view class="downwarp-content" :change:prop="renderBiz.propObserver" :prop="wxsProp">
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| 					<!-- <view class="downwarp-progress mescroll-wxs-progress" :class="{'mescroll-rotate': isDownLoading}" :style="{'border-color':mescroll.optDown.textColor, 'transform': downRotate}"></view> -->
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| 					<view class="downwarp-tip">
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| 						<image v-show="downText === '下拉刷新'" style="width:80rpx;height:86rpx" src="/static/loading/hamster.png"></image>
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| 						<image v-show="downText !== '下拉刷新'" style="width:80rpx;height:86rpx" src="/static/loading/hamster.gif"></image>
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| 					</view>
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| 					<!-- {{downText}} -->
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| 				</view>
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| 			</view>
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| 	
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| 			<!-- 列表内容 -->
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| 			<slot></slot>
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| 
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| 			<!-- 空布局 -->
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| 			<mescroll-empty v-if="isShowEmpty" :option="mescroll.optUp.empty" @emptyclick="emptyClick"></mescroll-empty>
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| 
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| 			<!-- 上拉加载区域 (下拉刷新时不显示, 支付宝小程序子组件传参给子子组件仍报单项数据流的异常,暂时不通过mescroll-up组件实现)-->
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| 			<!-- <mescroll-up v-if="mescroll.optUp.use && !isDownLoading && upLoadType!==3" :option="mescroll.optUp" :type="upLoadType"></mescroll-up> -->
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| 			<view v-if="mescroll.optUp.use && !isDownLoading && upLoadType!==3" class="mescroll-upwarp" :style="{'background':mescroll.optUp.bgColor,'color':mescroll.optUp.textColor}">
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| 				<!-- 加载中 (此处不能用v-if,否则android小程序快速上拉可能会不断触发上拉回调) -->
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| 				<view v-show="upLoadType===1" :style="{height: upLoadType===1 ? 'auto' : 0}" style="display: flex;align-items: center;justify-content: center;overflow: hidden">
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| 					<!-- <view class="upwarp-progress mescroll-rotate" :style="{'border-color':mescroll.optUp.textColor}"></view> -->
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| 					<image style="width: 64rpx;height: 68rpx" src="/static/loading/hamster.gif"></image>
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| 					<view class="upwarp-tip">{{ mescroll.optUp.textLoading }}</view>
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| 				</view>
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| 				<!-- 无数据 -->
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| 				<!-- <view v-if="upLoadType===2" class="upwarp-nodata">{{ mescroll.optUp.textNoMore }}</view> -->
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| 				<view v-if="upLoadType===2" class="mix-nodata center">
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| 					<image class="logo" src="/static/logo-b-w.png"></image>
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| 					<text>国云网络提供技术支持</text>
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| 				</view>
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| 			</view>
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| 		</view>
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| 		
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| 		<!-- 底部是否偏移TabBar的高度(默认仅在H5端的tab页生效) -->
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| 		<!-- #ifdef H5 -->
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| 		<!-- <view v-if="bottombar && windowBottom>0" class="mescroll-bottombar" :style="{height: windowBottom+'px'}"></view> -->
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| 		<!-- #endif -->
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| 		
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| 		<!-- 适配iPhoneX -->
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| 		<view v-if="safearea" class="mescroll-safearea"></view>
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| 		
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| 		<!-- 回到顶部按钮 (fixed元素需写在transform外面,防止降级为absolute)-->
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| 		<!-- <mescroll-top v-model="isShowToTop" :option="mescroll.optUp.toTop" @click="toTopClick"></mescroll-top> -->
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| 	</view>
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| </template>
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| 
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| <!-- 微信小程序, app, h5使用wxs -->
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| <!-- #ifdef MP-WEIXIN || APP-PLUS || H5-->
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| <script src="./wxs/wxs.wxs" module="wxsBiz" lang="wxs"></script>
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| <!-- #endif -->
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| 
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| <!-- app, h5使用renderjs -->
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| <!-- #ifdef APP-PLUS || H5 -->
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| <script module="renderBiz" lang="renderjs">
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| 	import renderBiz from './wxs/renderjs.js';
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| 	export default {
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| 		mixins: [renderBiz]
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| 	}
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| </script>
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| <!-- #endif -->
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| 
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| <script>
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| 	// 引入mescroll-uni.js,处理核心逻辑
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| 	import MeScroll from './mescroll-uni.js';
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| 	// 引入全局配置
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| 	import GlobalOption from './mescroll-uni-option.js';
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| 	// 引入空布局组件
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| 	import MescrollEmpty from './components/mescroll-empty.vue';
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| 	// 引入回到顶部组件
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| 	import MescrollTop from './components/mescroll-top.vue';
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| 	// 引入兼容wxs(含renderjs)写法的mixins
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| 	import WxsMixin from './wxs/mixins.js';
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| 	
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| 	export default {
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| 		mixins: [WxsMixin],
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| 		components: {
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| 			MescrollEmpty,
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| 			MescrollTop
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| 		},
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| 		data() {
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| 			return {
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| 				mescroll: {optDown:{},optUp:{}}, // mescroll实例
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| 				downHight: 0, //下拉刷新: 容器高度
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| 				downRate: 0, // 下拉比率(inOffset: rate<1; outOffset: rate>=1)
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| 				downLoadType: 0, // 下拉刷新状态: 0(loading前), 1(inOffset), 2(outOffset), 3(showLoading), 4(endDownScroll)
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| 				upLoadType: 0, // 上拉加载状态:0(loading前),1(loading中),2(没有更多了,显示END文本提示),3(没有更多了,不显示END文本提示)
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| 				isShowEmpty: false, // 是否显示空布局
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| 				isShowToTop: false, // 是否显示回到顶部按钮
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| 				windowHeight: 0, // 可使用窗口的高度
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| 				windowBottom: 0, // 可使用窗口的底部位置
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| 				statusBarHeight: 0 // 状态栏高度
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| 			};
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| 		},
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| 		props: {
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| 			down: Object, // 下拉刷新的参数配置
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| 			up: Object, // 上拉加载的参数配置
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| 			top: [String, Number], // 下拉布局往下的偏移量 (支持20, "20rpx", "20px", "20%"格式的值, 其中纯数字则默认单位rpx, 百分比则相对于windowHeight)
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| 			topbar: [Boolean, String], // top的偏移量是否加上状态栏高度, 默认false (使用场景:取消原生导航栏时,配置此项可留出状态栏的占位, 支持传入字符串背景,如色值,背景图,渐变)
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| 			bottom: [String, Number], // 上拉布局往上的偏移量 (支持20, "20rpx", "20px", "20%"格式的值, 其中纯数字则默认单位rpx, 百分比则相对于windowHeight)
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| 			safearea: Boolean, // bottom的偏移量是否加上底部安全区的距离, 默认false (需要适配iPhoneX时使用)
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| 			height: [String, Number], // 指定mescroll最小高度,默认windowHeight,使列表不满屏仍可下拉
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| 			bottombar:{ // 底部是否偏移TabBar的高度(默认仅在H5端的tab页生效)
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| 				type: Boolean,
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| 				default: true
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| 			}
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| 		},
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| 		computed: {
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| 			// mescroll最小高度,默认windowHeight,使列表不满屏仍可下拉
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| 			minHeight(){
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| 				return this.toPx(this.height || '100%') + 'px'
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| 			},
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| 			// 下拉布局往下偏移的距离 (px)
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| 			numTop() {
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| 				return this.toPx(this.top)
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| 			},
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| 			padTop() {
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| 				return this.numTop + 'px';
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| 			},
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| 			// 上拉布局往上偏移 (px)
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| 			numBottom() {
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| 				return this.toPx(this.bottom);
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| 			},
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| 			padBottom() {
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| 				return this.numBottom + 'px';
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| 			},
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| 			// 是否为重置下拉的状态
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| 			isDownReset() {
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| 				return this.downLoadType === 3 || this.downLoadType === 4;
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| 			},
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| 			// 过渡
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| 			transition() {
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| 				return this.isDownReset ? 'transform 300ms' : '';
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| 			},
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| 			translateY() {
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| 				return this.downHight > 0 ? 'translateY(' + this.downHight + 'px)' : ''; // transform会使fixed失效,需注意把fixed元素写在mescroll之外
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| 			},
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| 			// 是否在加载中
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| 			isDownLoading(){
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| 				return this.downLoadType === 3
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| 			},
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| 			// 旋转的角度
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| 			downRotate(){
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| 				return 'rotate(' + 360 * this.downRate + 'deg)'
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| 			},
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| 			// 文本提示
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| 			downText(){
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| 				if(!this.mescroll) return ""; // 避免头条小程序初始化时报错
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| 				switch (this.downLoadType){
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| 					case 1: return this.mescroll.optDown.textInOffset;
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| 					case 2: return this.mescroll.optDown.textOutOffset;
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| 					case 3: return this.mescroll.optDown.textLoading;
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| 					case 4: return this.mescroll.optDown.textLoading;
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| 					default: return this.mescroll.optDown.textInOffset;
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| 				}
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| 			}
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| 		},
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| 		methods: {
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| 			//number,rpx,upx,px,% --> px的数值
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| 			toPx(num) {
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| 				if (typeof num === 'string') {
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| 					if (num.indexOf('px') !== -1) {
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| 						if (num.indexOf('rpx') !== -1) {
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| 							// "10rpx"
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| 							num = num.replace('rpx', '');
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| 						} else if (num.indexOf('upx') !== -1) {
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| 							// "10upx"
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| 							num = num.replace('upx', '');
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| 						} else {
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| 							// "10px"
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| 							return Number(num.replace('px', ''));
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| 						}
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| 					} else if (num.indexOf('%') !== -1) {
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| 						// 传百分比,则相对于windowHeight,传"10%"则等于windowHeight的10%
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| 						let rate = Number(num.replace('%', '')) / 100;
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| 						return this.windowHeight * rate;
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| 					}
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| 				}
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| 				return num ? uni.upx2px(Number(num)) : 0;
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| 			},
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| 			// 点击空布局的按钮回调
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| 			emptyClick() {
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| 				this.$emit('emptyclick', this.mescroll);
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| 			},
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| 			// 点击回到顶部的按钮回调
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| 			toTopClick() {
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| 				this.mescroll.scrollTo(0, this.mescroll.optUp.toTop.duration); // 执行回到顶部
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| 				this.$emit('topclick', this.mescroll); // 派发点击回到顶部按钮的回调
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| 			}
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| 		},
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| 		// 使用created初始化mescroll对象; 如果用mounted部分css样式编译到H5会失效
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| 		created() {
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| 			let vm = this;
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| 
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| 			let diyOption = {
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| 				// 下拉刷新的配置
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| 				down: {
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| 					auto: false,
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| 					inOffset() {
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| 						vm.downLoadType = 1; // 下拉的距离进入offset范围内那一刻的回调 (自定义mescroll组件时,此行不可删)
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| 					},
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| 					outOffset() {
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| 						vm.downLoadType = 2; // 下拉的距离大于offset那一刻的回调 (自定义mescroll组件时,此行不可删)
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| 					},
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| 					onMoving(mescroll, rate, downHight) {
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| 						// 下拉过程中的回调,滑动过程一直在执行;
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| 						vm.downHight = downHight; // 设置下拉区域的高度 (自定义mescroll组件时,此行不可删)
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| 						vm.downRate = rate; //下拉比率 (inOffset: rate<1; outOffset: rate>=1)
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| 					},
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| 					showLoading(mescroll, downHight) {
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| 						vm.downLoadType = 3; // 显示下拉刷新进度的回调 (自定义mescroll组件时,此行不可删)
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| 						vm.downHight = downHight; // 设置下拉区域的高度 (自定义mescroll组件时,此行不可删)
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| 					},
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| 					endDownScroll() {
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| 						vm.downLoadType = 4; // 结束下拉 (自定义mescroll组件时,此行不可删)
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| 						vm.downHight = 0; // 设置下拉区域的高度 (自定义mescroll组件时,此行不可删)
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| 						if(vm.downResetTimer) {clearTimeout(vm.downResetTimer); vm.downResetTimer = null} // 移除重置倒计时
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| 						vm.downResetTimer = setTimeout(()=>{ // 过渡动画执行完毕后,需重置为0的状态,避免下次inOffset不及时显示textInOffset
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| 							if(vm.downLoadType === 4) vm.downLoadType = 0
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| 						},300)
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| 					},
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| 					// 派发下拉刷新的回调
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| 					callback: function(mescroll) {
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| 						vm.$emit('down', mescroll);
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| 					}
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| 				},
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| 				// 上拉加载的配置
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| 				up: {
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| 					// 显示加载中的回调
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| 					showLoading() {
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| 						vm.upLoadType = 1;
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| 					},
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| 					// 显示无更多数据的回调
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| 					showNoMore() {
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| 						vm.upLoadType = 2;
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| 					},
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| 					// 隐藏上拉加载的回调
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| 					hideUpScroll(mescroll) {
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| 						vm.upLoadType = mescroll.optUp.hasNext ? 0 : 3;
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| 					},
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| 					// 空布局
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| 					empty: {
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| 						onShow(isShow) {
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| 							// 显示隐藏的回调
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| 							vm.isShowEmpty = isShow;
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| 						}
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| 					},
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| 					// 回到顶部
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| 					toTop: {
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| 						onShow(isShow) {
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| 							// 显示隐藏的回调
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| 							vm.isShowToTop = isShow;
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| 						}
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| 					},
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| 					// 派发上拉加载的回调
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| 					callback: function(mescroll) {
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| 						vm.$emit('up', mescroll);
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| 					}
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| 				}
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| 			};
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| 
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| 			MeScroll.extend(diyOption, GlobalOption); // 混入全局的配置
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| 			let myOption = JSON.parse(JSON.stringify({down: vm.down,up: vm.up})); // 深拷贝,避免对props的影响
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| 			MeScroll.extend(myOption, diyOption); // 混入具体界面的配置
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| 
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| 			// 初始化MeScroll对象
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| 			vm.mescroll = new MeScroll(myOption, true); // 传入true,标记body为滚动区域
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| 			// init回调mescroll对象
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| 			vm.$emit('init', vm.mescroll);
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| 
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| 			// 设置高度
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| 			const sys = uni.getSystemInfoSync();
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| 			if (sys.windowHeight) vm.windowHeight = sys.windowHeight;
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| 			if (sys.windowBottom) vm.windowBottom = sys.windowBottom;
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| 			if (sys.statusBarHeight) vm.statusBarHeight = sys.statusBarHeight;
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| 			// 使down的bottomOffset生效
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| 			vm.mescroll.setBodyHeight(sys.windowHeight);
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| 
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| 			// 因为使用的是page的scroll,这里需自定义scrollTo
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| 			vm.mescroll.resetScrollTo((y, t) => {
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| 				if(typeof y === 'string'){
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| 					// 滚动到指定view (y必须为元素的id,不带#)
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| 					setTimeout(()=>{ // 延时确保view已渲染; 不使用$nextTick
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| 						uni.createSelectorQuery().select('#'+y).boundingClientRect(function(rect){
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| 							let top = rect.top
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| 							top += vm.mescroll.getScrollTop()
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| 							uni.pageScrollTo({
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| 								scrollTop: top,
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| 								duration: t
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| 							})
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| 						}).exec()
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| 					},30)
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| 				} else{
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| 					// 滚动到指定位置 (y必须为数字)
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| 					uni.pageScrollTo({
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| 						scrollTop: y,
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| 						duration: t
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| 					})
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| 				}
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| 			});
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| 
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| 			// 具体的界面如果不配置up.toTop.safearea,则取本vue的safearea值
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| 			if (vm.up && vm.up.toTop && vm.up.toTop.safearea != null) {} else {
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| 				vm.mescroll.optUp.toTop.safearea = vm.safearea;
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| 			}
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| 		}
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| 	};
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| </script>
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| 
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| <style lang="scss">
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| 	@import "./mescroll-body.css";
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| 	@import "./components/mescroll-down.css";
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| 	@import './components/mescroll-up.css';
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| 	
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| 	.mix-nodata{
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| 		height: 52rpx;
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| 		font-size: 26rpx;
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| 		color: #999;
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| 		
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| 		.logo{
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| 			width: 34rpx;
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| 			height: 34rpx;
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| 			margin-right: 12rpx;
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| 		}
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| 	}
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| </style>
 | 
