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			345 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
		
		
			
		
	
	
			345 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
|   | <template> | |||
|  | 	<view  | |||
|  | 	class="mescroll-body mescroll-render-touch"  | |||
|  | 	:style="{'minHeight':minHeight, 'padding-top': padTop, 'padding-bottom': padBottom}"  | |||
|  | 	@touchstart="wxsBiz.touchstartEvent"  | |||
|  | 	@touchmove="wxsBiz.touchmoveEvent"  | |||
|  | 	@touchend="wxsBiz.touchendEvent"  | |||
|  | 	@touchcancel="wxsBiz.touchendEvent" | |||
|  | 	:change:prop="wxsBiz.propObserver" | |||
|  | 	:prop="wxsProp" | |||
|  | 	> | |||
|  | 		<!-- 状态栏 --> | |||
|  | 		<view v-if="topbar&&statusBarHeight" class="mescroll-topbar" :style="{height: statusBarHeight+'px', background: topbar}"></view> | |||
|  | 		 | |||
|  | 		<view class="mescroll-body-content mescroll-wxs-content" :style="{ transform: translateY, transition: transition }" :change:prop="wxsBiz.callObserver" :prop="callProp"> | |||
|  | 			<!-- 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)--> | |||
|  | 			<!-- <mescroll-down :option="mescroll.optDown" :type="downLoadType" :rate="downRate"></mescroll-down> --> | |||
|  | 			<view v-if="mescroll.optDown.use" class="mescroll-downwarp" :style="{'background':mescroll.optDown.bgColor,'color':mescroll.optDown.textColor}"> | |||
|  | 				<view class="downwarp-content" :change:prop="renderBiz.propObserver" :prop="wxsProp"> | |||
|  | 					<!-- <view class="downwarp-progress mescroll-wxs-progress" :class="{'mescroll-rotate': isDownLoading}" :style="{'border-color':mescroll.optDown.textColor, 'transform': downRotate}"></view> --> | |||
|  | 					<view class="downwarp-tip"> | |||
|  | 						<image v-show="downText === '下拉刷新'" style="width:80rpx;height:86rpx" src="/static/loading/hamster.png"></image> | |||
|  | 						<image v-show="downText !== '下拉刷新'" style="width:80rpx;height:86rpx" src="/static/loading/hamster.gif"></image> | |||
|  | 					</view> | |||
|  | 					<!-- {{downText}} --> | |||
|  | 				</view> | |||
|  | 			</view> | |||
|  | 	 | |||
|  | 			<!-- 列表内容 --> | |||
|  | 			<slot></slot> | |||
|  | 
 | |||
|  | 			<!-- 空布局 --> | |||
|  | 			<mescroll-empty v-if="isShowEmpty" :option="mescroll.optUp.empty" @emptyclick="emptyClick"></mescroll-empty> | |||
|  | 
 | |||
|  | 			<!-- 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)--> | |||
|  | 			<!-- <mescroll-up v-if="mescroll.optUp.use && !isDownLoading && upLoadType!==3" :option="mescroll.optUp" :type="upLoadType"></mescroll-up> --> | |||
|  | 			<view v-if="mescroll.optUp.use && !isDownLoading && upLoadType!==3" class="mescroll-upwarp" :style="{'background':mescroll.optUp.bgColor,'color':mescroll.optUp.textColor}"> | |||
|  | 				<!-- 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) --> | |||
|  | 				<view v-show="upLoadType===1" :style="{height: upLoadType===1 ? 'auto' : 0}" style="display: flex;align-items: center;justify-content: center;overflow: hidden"> | |||
|  | 					<!-- <view class="upwarp-progress mescroll-rotate" :style="{'border-color':mescroll.optUp.textColor}"></view> --> | |||
|  | 					<image style="width: 64rpx;height: 68rpx" src="/static/loading/hamster.gif"></image> | |||
|  | 					<view class="upwarp-tip">{{ mescroll.optUp.textLoading }}</view> | |||
|  | 				</view> | |||
|  | 				<!-- 无数据 --> | |||
|  | 				<!-- <view v-if="upLoadType===2" class="upwarp-nodata">{{ mescroll.optUp.textNoMore }}</view> --> | |||
|  | 				<view v-if="upLoadType===2" class="mix-nodata center"> | |||
|  | 					<image class="logo" src="/static/logo-b-w.png"></image> | |||
|  | 					<text>国云网络提供技术支持</text> | |||
|  | 				</view> | |||
|  | 			</view> | |||
|  | 		</view> | |||
|  | 		 | |||
|  | 		<!-- 底部是否偏移TabBar的高度(默认仅在H5端的tab页生效) --> | |||
|  | 		<!-- #ifdef H5 --> | |||
|  | 		<!-- <view v-if="bottombar && windowBottom>0" class="mescroll-bottombar" :style="{height: windowBottom+'px'}"></view> --> | |||
|  | 		<!-- #endif --> | |||
|  | 		 | |||
|  | 		<!-- 适配iPhoneX --> | |||
|  | 		<view v-if="safearea" class="mescroll-safearea"></view> | |||
|  | 		 | |||
|  | 		<!-- 回到顶部按钮 (fixed元素需写在transform外面,防止降级为absolute)--> | |||
|  | 		<!-- <mescroll-top v-model="isShowToTop" :option="mescroll.optUp.toTop" @click="toTopClick"></mescroll-top> --> | |||
|  | 	</view> | |||
|  | </template> | |||
|  | 
 | |||
|  | <!-- 微信小程序, app, h5使用wxs --> | |||
|  | <!-- #ifdef MP-WEIXIN || APP-PLUS || H5--> | |||
|  | <script src="./wxs/wxs.wxs" module="wxsBiz" lang="wxs"></script> | |||
|  | <!-- #endif --> | |||
|  | 
 | |||
|  | <!-- app, h5使用renderjs --> | |||
|  | <!-- #ifdef APP-PLUS || H5 --> | |||
|  | <script module="renderBiz" lang="renderjs"> | |||
|  | 	import renderBiz from './wxs/renderjs.js'; | |||
|  | 	export default { | |||
|  | 		mixins: [renderBiz] | |||
|  | 	} | |||
|  | </script> | |||
|  | <!-- #endif --> | |||
|  | 
 | |||
|  | <script> | |||
|  | 	// 引入mescroll-uni.js,处理核心逻辑
 | |||
|  | 	import MeScroll from './mescroll-uni.js'; | |||
|  | 	// 引入全局配置
 | |||
|  | 	import GlobalOption from './mescroll-uni-option.js'; | |||
|  | 	// 引入空布局组件
 | |||
|  | 	import MescrollEmpty from './components/mescroll-empty.vue'; | |||
|  | 	// 引入回到顶部组件
 | |||
|  | 	import MescrollTop from './components/mescroll-top.vue'; | |||
|  | 	// 引入兼容wxs(含renderjs)写法的mixins
 | |||
|  | 	import WxsMixin from './wxs/mixins.js'; | |||
|  | 	 | |||
|  | 	export default { | |||
|  | 		mixins: [WxsMixin], | |||
|  | 		components: { | |||
|  | 			MescrollEmpty, | |||
|  | 			MescrollTop | |||
|  | 		}, | |||
|  | 		data() { | |||
|  | 			return { | |||
|  | 				mescroll: {optDown:{},optUp:{}}, // mescroll实例
 | |||
|  | 				downHight: 0, //下拉刷新: 容器高度
 | |||
|  | 				downRate: 0, // 下拉比率(inOffset: rate<1; outOffset: rate>=1)
 | |||
|  | 				downLoadType: 0, // 下拉刷新状态: 0(loading前), 1(inOffset), 2(outOffset), 3(showLoading), 4(endDownScroll)
 | |||
|  | 				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)
 | |||
|  | 				isShowEmpty: false, // 是否显示空布局
 | |||
|  | 				isShowToTop: false, // 是否显示回到顶部按钮
 | |||
|  | 				windowHeight: 0, // 可使用窗口的高度
 | |||
|  | 				windowBottom: 0, // 可使用窗口的底部位置
 | |||
|  | 				statusBarHeight: 0 // 状态栏高度
 | |||
|  | 			}; | |||
|  | 		}, | |||
|  | 		props: { | |||
|  | 			down: Object, // 下拉刷新的参数配置
 | |||
|  | 			up: Object, // 上拉加载的参数配置
 | |||
|  | 			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)
 | |||
|  | 			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)
 | |||
|  | 			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)
 | |||
|  | 			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)
 | |||
|  | 			height: [String, Number], // 指定mescroll最小高度,默认windowHeight,使列表不满屏仍可下拉
 | |||
|  | 			bottombar:{ // 底部是否偏移TabBar的高度(默认仅在H5端的tab页生效)
 | |||
|  | 				type: Boolean, | |||
|  | 				default: true | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		computed: { | |||
|  | 			// mescroll最小高度,默认windowHeight,使列表不满屏仍可下拉
 | |||
|  | 			minHeight(){ | |||
|  | 				return this.toPx(this.height || '100%') + 'px' | |||
|  | 			}, | |||
|  | 			// 下拉布局往下偏移的距离 (px)
 | |||
|  | 			numTop() { | |||
|  | 				return this.toPx(this.top) | |||
|  | 			}, | |||
|  | 			padTop() { | |||
|  | 				return this.numTop + 'px'; | |||
|  | 			}, | |||
|  | 			// 上拉布局往上偏移 (px)
 | |||
|  | 			numBottom() { | |||
|  | 				return this.toPx(this.bottom); | |||
|  | 			}, | |||
|  | 			padBottom() { | |||
|  | 				return this.numBottom + 'px'; | |||
|  | 			}, | |||
|  | 			// 是否为重置下拉的状态
 | |||
|  | 			isDownReset() { | |||
|  | 				return this.downLoadType === 3 || this.downLoadType === 4; | |||
|  | 			}, | |||
|  | 			// 过渡
 | |||
|  | 			transition() { | |||
|  | 				return this.isDownReset ? 'transform 300ms' : ''; | |||
|  | 			}, | |||
|  | 			translateY() { | |||
|  | 				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
 | |||
|  | 			}, | |||
|  | 			// 是否在加载中
 | |||
|  | 			isDownLoading(){ | |||
|  | 				return this.downLoadType === 3 | |||
|  | 			}, | |||
|  | 			// 旋转的角度
 | |||
|  | 			downRotate(){ | |||
|  | 				return 'rotate(' + 360 * this.downRate + 'deg)' | |||
|  | 			}, | |||
|  | 			// 文本提示
 | |||
|  | 			downText(){ | |||
|  | 				if(!this.mescroll) return ""; // 避免头条小程序初始化时报错
 | |||
|  | 				switch (this.downLoadType){ | |||
|  | 					case 1: return this.mescroll.optDown.textInOffset; | |||
|  | 					case 2: return this.mescroll.optDown.textOutOffset; | |||
|  | 					case 3: return this.mescroll.optDown.textLoading; | |||
|  | 					case 4: return this.mescroll.optDown.textLoading; | |||
|  | 					default: return this.mescroll.optDown.textInOffset; | |||
|  | 				} | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		methods: { | |||
|  | 			//number,rpx,upx,px,% --> px的数值
 | |||
|  | 			toPx(num) { | |||
|  | 				if (typeof num === 'string') { | |||
|  | 					if (num.indexOf('px') !== -1) { | |||
|  | 						if (num.indexOf('rpx') !== -1) { | |||
|  | 							// "10rpx"
 | |||
|  | 							num = num.replace('rpx', ''); | |||
|  | 						} else if (num.indexOf('upx') !== -1) { | |||
|  | 							// "10upx"
 | |||
|  | 							num = num.replace('upx', ''); | |||
|  | 						} else { | |||
|  | 							// "10px"
 | |||
|  | 							return Number(num.replace('px', '')); | |||
|  | 						} | |||
|  | 					} else if (num.indexOf('%') !== -1) { | |||
|  | 						// 传百分比,则相对于windowHeight,传"10%"则等于windowHeight的10%
 | |||
|  | 						let rate = Number(num.replace('%', '')) / 100; | |||
|  | 						return this.windowHeight * rate; | |||
|  | 					} | |||
|  | 				} | |||
|  | 				return num ? uni.upx2px(Number(num)) : 0; | |||
|  | 			}, | |||
|  | 			// 点击空布局的按钮回调
 | |||
|  | 			emptyClick() { | |||
|  | 				this.$emit('emptyclick', this.mescroll); | |||
|  | 			}, | |||
|  | 			// 点击回到顶部的按钮回调
 | |||
|  | 			toTopClick() { | |||
|  | 				this.mescroll.scrollTo(0, this.mescroll.optUp.toTop.duration); // 执行回到顶部
 | |||
|  | 				this.$emit('topclick', this.mescroll); // 派发点击回到顶部按钮的回调
 | |||
|  | 			} | |||
|  | 		}, | |||
|  | 		// 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
 | |||
|  | 		created() { | |||
|  | 			let vm = this; | |||
|  | 
 | |||
|  | 			let diyOption = { | |||
|  | 				// 下拉刷新的配置
 | |||
|  | 				down: { | |||
|  | 					auto: false, | |||
|  | 					inOffset() { | |||
|  | 						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)
 | |||
|  | 					}, | |||
|  | 					outOffset() { | |||
|  | 						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)
 | |||
|  | 					}, | |||
|  | 					onMoving(mescroll, rate, downHight) { | |||
|  | 						// 下拉过程中的回调,滑动过程一直在执行;
 | |||
|  | 						vm.downHight = downHight; // 设置下拉区域的高度 (自定义mescroll组件时,此行不可删)
 | |||
|  | 						vm.downRate = rate; //下拉比率 (inOffset: rate<1; outOffset: rate>=1)
 | |||
|  | 					}, | |||
|  | 					showLoading(mescroll, downHight) { | |||
|  | 						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)
 | |||
|  | 						vm.downHight = downHight; // 设置下拉区域的高度 (自定义mescroll组件时,此行不可删)
 | |||
|  | 					}, | |||
|  | 					endDownScroll() { | |||
|  | 						vm.downLoadType = 4; // 结束下拉 (自定义mescroll组件时,此行不可删)
 | |||
|  | 						vm.downHight = 0; // 设置下拉区域的高度 (自定义mescroll组件时,此行不可删)
 | |||
|  | 						if(vm.downResetTimer) {clearTimeout(vm.downResetTimer); vm.downResetTimer = null} // 移除重置倒计时
 | |||
|  | 						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
 | |||
|  | 							if(vm.downLoadType === 4) vm.downLoadType = 0 | |||
|  | 						},300) | |||
|  | 					}, | |||
|  | 					// 派发下拉刷新的回调
 | |||
|  | 					callback: function(mescroll) { | |||
|  | 						vm.$emit('down', mescroll); | |||
|  | 					} | |||
|  | 				}, | |||
|  | 				// 上拉加载的配置
 | |||
|  | 				up: { | |||
|  | 					// 显示加载中的回调
 | |||
|  | 					showLoading() { | |||
|  | 						vm.upLoadType = 1; | |||
|  | 					}, | |||
|  | 					// 显示无更多数据的回调
 | |||
|  | 					showNoMore() { | |||
|  | 						vm.upLoadType = 2; | |||
|  | 					}, | |||
|  | 					// 隐藏上拉加载的回调
 | |||
|  | 					hideUpScroll(mescroll) { | |||
|  | 						vm.upLoadType = mescroll.optUp.hasNext ? 0 : 3; | |||
|  | 					}, | |||
|  | 					// 空布局
 | |||
|  | 					empty: { | |||
|  | 						onShow(isShow) { | |||
|  | 							// 显示隐藏的回调
 | |||
|  | 							vm.isShowEmpty = isShow; | |||
|  | 						} | |||
|  | 					}, | |||
|  | 					// 回到顶部
 | |||
|  | 					toTop: { | |||
|  | 						onShow(isShow) { | |||
|  | 							// 显示隐藏的回调
 | |||
|  | 							vm.isShowToTop = isShow; | |||
|  | 						} | |||
|  | 					}, | |||
|  | 					// 派发上拉加载的回调
 | |||
|  | 					callback: function(mescroll) { | |||
|  | 						vm.$emit('up', mescroll); | |||
|  | 					} | |||
|  | 				} | |||
|  | 			}; | |||
|  | 
 | |||
|  | 			MeScroll.extend(diyOption, GlobalOption); // 混入全局的配置
 | |||
|  | 			let myOption = JSON.parse(JSON.stringify({down: vm.down,up: vm.up})); // 深拷贝,避免对props的影响
 | |||
|  | 			MeScroll.extend(myOption, diyOption); // 混入具体界面的配置
 | |||
|  | 
 | |||
|  | 			// 初始化MeScroll对象
 | |||
|  | 			vm.mescroll = new MeScroll(myOption, true); // 传入true,标记body为滚动区域
 | |||
|  | 			// init回调mescroll对象
 | |||
|  | 			vm.$emit('init', vm.mescroll); | |||
|  | 
 | |||
|  | 			// 设置高度
 | |||
|  | 			const sys = uni.getSystemInfoSync(); | |||
|  | 			if (sys.windowHeight) vm.windowHeight = sys.windowHeight; | |||
|  | 			if (sys.windowBottom) vm.windowBottom = sys.windowBottom; | |||
|  | 			if (sys.statusBarHeight) vm.statusBarHeight = sys.statusBarHeight; | |||
|  | 			// 使down的bottomOffset生效
 | |||
|  | 			vm.mescroll.setBodyHeight(sys.windowHeight); | |||
|  | 
 | |||
|  | 			// 因为使用的是page的scroll,这里需自定义scrollTo
 | |||
|  | 			vm.mescroll.resetScrollTo((y, t) => { | |||
|  | 				if(typeof y === 'string'){ | |||
|  | 					// 滚动到指定view (y必须为元素的id,不带#)
 | |||
|  | 					setTimeout(()=>{ // 延时确保view已渲染; 不使用$nextTick
 | |||
|  | 						uni.createSelectorQuery().select('#'+y).boundingClientRect(function(rect){ | |||
|  | 							let top = rect.top | |||
|  | 							top += vm.mescroll.getScrollTop() | |||
|  | 							uni.pageScrollTo({ | |||
|  | 								scrollTop: top, | |||
|  | 								duration: t | |||
|  | 							}) | |||
|  | 						}).exec() | |||
|  | 					},30) | |||
|  | 				} else{ | |||
|  | 					// 滚动到指定位置 (y必须为数字)
 | |||
|  | 					uni.pageScrollTo({ | |||
|  | 						scrollTop: y, | |||
|  | 						duration: t | |||
|  | 					}) | |||
|  | 				} | |||
|  | 			}); | |||
|  | 
 | |||
|  | 			// 具体的界面如果不配置up.toTop.safearea,则取本vue的safearea值
 | |||
|  | 			if (vm.up && vm.up.toTop && vm.up.toTop.safearea != null) {} else { | |||
|  | 				vm.mescroll.optUp.toTop.safearea = vm.safearea; | |||
|  | 			} | |||
|  | 		} | |||
|  | 	}; | |||
|  | </script> | |||
|  | 
 | |||
|  | <style lang="scss"> | |||
|  | 	@import "./mescroll-body.css"; | |||
|  | 	@import "./components/mescroll-down.css"; | |||
|  | 	@import './components/mescroll-up.css'; | |||
|  | 	 | |||
|  | 	.mix-nodata{ | |||
|  | 		height: 52rpx; | |||
|  | 		font-size: 26rpx; | |||
|  | 		color: #999; | |||
|  | 		 | |||
|  | 		.logo{ | |||
|  | 			width: 34rpx; | |||
|  | 			height: 34rpx; | |||
|  | 			margin-right: 12rpx; | |||
|  | 		} | |||
|  | 	} | |||
|  | </style> |