<template> 
 | 
    <view class="mescroll-uni-warp"> 
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        <scroll-view :id="viewId" class="mescroll-uni" :class="{'mescroll-uni-fixed':isFixed}" :style="{'height':scrollHeight,'padding-top':padTop,'padding-bottom':padBottom,'top':fixedTop,'bottom':fixedBottom}" :scroll-top="scrollTop" :scroll-with-animation="scrollAnim" @scroll="scroll" :scroll-y='scrollable' :enable-back-to-top="true" :throttle="false"> 
 | 
            <view class="mescroll-uni-content mescroll-render-touch" 
 | 
            @touchstart="wxsBiz.touchstartEvent"  
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            @touchmove="wxsBiz.touchmoveEvent"  
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            @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-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"></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"> 
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                            <image class="downwarp-slogan" src="https://www.mescroll.com/img/beibei/mescroll-slogan.jpg?v=1" mode="widthFix"/> 
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                            <view v-if="isDownLoading" class="downwarp-loading mescroll-rotate"></view> 
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                            <view v-else class="downwarp-progress" :style="{'transform':downRotate}"></view> 
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                            <view class="downwarp-mascot"></view> 
 | 
                        </view> 
 | 
                    </view> 
 | 
  
 | 
                    <!-- 列表内容 --> 
 | 
                    <slot></slot> 
 | 
  
 | 
                    <!-- 空布局 --> 
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                    <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"> 
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                            <view class="upwarp-progress mescroll-rotate" :style="{'border-color':mescroll.optUp.textColor}"></view> 
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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> 
 | 
                    </view> 
 | 
                </view> 
 | 
                 
 | 
                <!-- 底部是否偏移TabBar的高度(仅H5端生效) --> 
 | 
                <!-- #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> 
 | 
            </view> 
 | 
        </scroll-view> 
 | 
  
 | 
        <!-- 回到顶部按钮 (fixed元素,需写在scroll-view外面,防止滚动的时候抖动)--> 
 | 
        <mescroll-top v-model="isShowToTop" :option="mescroll.optUp.toTop" @click="toTopClick"></mescroll-top> 
 | 
  
 | 
        <!-- #ifdef MP-WEIXIN || MP-QQ || APP-PLUS || H5 --> 
 | 
        <!-- renderjs的数据载体,不可写在mescroll-downwarp内部,避免use为false时,载体丢失,无法更新数据 --> 
 | 
        <view :change:prop="renderBiz.propObserver" :prop="wxsProp"></view> 
 | 
        <!-- #endif --> 
 | 
    </view> 
 | 
</template> 
 | 
  
 | 
<!-- 微信小程序, QQ小程序, app, h5使用wxs --> 
 | 
<!-- #ifdef MP-WEIXIN || MP-QQ || APP-PLUS || H5 --> 
 | 
<script src="../../mescroll-uni/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 '../../mescroll-uni/wxs/renderjs.js'; 
 | 
    export default { 
 | 
        mixins: [renderBiz] 
 | 
    } 
 | 
</script> 
 | 
<!-- #endif --> 
 | 
  
 | 
<script> 
 | 
    import MeScroll from '../../mescroll-uni/mescroll-uni.js'; 
 | 
    import MescrollTop from '../../mescroll-uni/components/mescroll-top.vue'; 
 | 
    import WxsMixin from '../../mescroll-uni/wxs/mixins.js'; 
 | 
    import mescrollI18n from '../../mescroll-uni/mescroll-i18n.js'; 
 | 
    import GlobalOption from './mescroll-uni-option.js'; 
 | 
     
 | 
    export default { 
 | 
        mixins: [WxsMixin], 
 | 
        components: { 
 | 
            MescrollTop 
 | 
        }, 
 | 
        data() { 
 | 
            return { 
 | 
                mescroll: null, // mescroll实例 
 | 
                viewId: 'id_' + Math.random().toString(36).substr(2,16), // 随机生成mescroll的id(不能数字开头,否则找不到元素) 
 | 
                downHight: 0, //下拉刷新: 容器高度 
 | 
                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), 1loading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 
 | 
                scrollTop: 0, // 滚动条的位置 
 | 
                scrollAnim: false, // 是否开启滚动动画 
 | 
                windowTop: 0, // 可使用窗口的顶部位置 
 | 
                windowBottom: 0, // 可使用窗口的底部位置 
 | 
                windowHeight: 0, // 可使用窗口的高度 
 | 
                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 
 | 
            i18n: Object, // 国际化的参数配置 
 | 
            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) 
 | 
            fixed: { // 是否通过fixed固定mescroll的高度, 默认true 
 | 
                type: Boolean, 
 | 
                default: true 
 | 
            }, 
 | 
            height: [String, Number], // 指定mescroll的高度, 此项有值,则不使用fixed. (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) 
 | 
            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 
 | 
            }, 
 | 
            disableScroll: Boolean // 是否禁止滚动 
 | 
        }, 
 | 
        computed: { 
 | 
            // 是否使用fixed定位 (当height有值,则不使用) 
 | 
            isFixed(){ 
 | 
                return !this.height && this.fixed 
 | 
            }, 
 | 
            // mescroll的高度 
 | 
            scrollHeight(){ 
 | 
                if (this.isFixed) { 
 | 
                    return "auto" 
 | 
                } else if(this.height){ 
 | 
                    return this.toPx(this.height) + 'px' 
 | 
                }else{ 
 | 
                    return "100%" 
 | 
                } 
 | 
            }, 
 | 
            // 下拉布局往下偏移的距离 (px) 
 | 
            numTop() { 
 | 
                return this.toPx(this.top) 
 | 
            }, 
 | 
            fixedTop() { 
 | 
                return this.isFixed ? (this.numTop + this.windowTop) + 'px' : 0 
 | 
            }, 
 | 
            padTop() { 
 | 
                return !this.isFixed ? this.numTop + 'px' : 0 
 | 
            }, 
 | 
            // 上拉布局往上偏移 (px) 
 | 
            numBottom() { 
 | 
                return this.toPx(this.bottom) 
 | 
            }, 
 | 
            fixedBottom() { 
 | 
                return this.isFixed ? (this.numBottom + this.windowBottom) + 'px' : 0 
 | 
            }, 
 | 
            padBottom() { 
 | 
                return !this.isFixed ? this.numBottom + 'px' : 0 
 | 
            }, 
 | 
            // 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 
 | 
            }, 
 | 
            // 列表是否可滑动 
 | 
            scrollable(){ 
 | 
                if(this.disableScroll) return false 
 | 
                return this.downLoadType===0 || this.isDownReset 
 | 
            }, 
 | 
            // 是否在加载中 
 | 
            isDownLoading(){ 
 | 
                return this.downLoadType === 3 
 | 
            }, 
 | 
            // 旋转的角度 
 | 
            downRotate(){ 
 | 
                return this.downLoadType === 2 ? 'rotate(180deg)' : 'rotate(0deg)' 
 | 
            } 
 | 
        }, 
 | 
        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 
 | 
            }, 
 | 
            //注册列表滚动事件,用于下拉刷新和上拉加载 
 | 
            scroll(e) { 
 | 
                this.mescroll.scroll(e.detail, () => { 
 | 
                    this.$emit('scroll', this.mescroll) // 此时可直接通过 this.mescroll.scrollTop获取滚动条位置; this.mescroll.isScrollUp获取是否向上滑动 
 | 
                }) 
 | 
            }, 
 | 
            // 点击空布局的按钮回调 
 | 
            emptyClick() { 
 | 
                this.$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.$emit('topclick', this.mescroll); // 派发点击回到顶部按钮的回调 
 | 
            }, 
 | 
            // 更新滚动区域的高度 (使内容不满屏和到底,都可继续翻页) 
 | 
            setClientHeight() { 
 | 
                if (this.mescroll.getClientHeight(true) === 0 && !this.isExec) { 
 | 
                    this.isExec = true; // 避免多次获取 
 | 
                    this.$nextTick(() => { // 确保dom已渲染 
 | 
                        this.getClientInfo(data=>{ 
 | 
                            this.isExec = false; 
 | 
                            if (data) { 
 | 
                                this.mescroll.setClientHeight(data.height); 
 | 
                            } else if (this.clientNum != 3) { // 极少部分情况,可能dom还未渲染完毕,递归获取,最多重试3次 
 | 
                                this.clientNum = this.clientNum == null ? 1 : this.clientNum + 1; 
 | 
                                setTimeout(() => { 
 | 
                                    this.setClientHeight() 
 | 
                                }, this.clientNum * 100) 
 | 
                            } 
 | 
                        }) 
 | 
                    }) 
 | 
                } 
 | 
            }, 
 | 
            // 获取滚动区域的信息 
 | 
            getClientInfo(success){ 
 | 
                let query = uni.createSelectorQuery(); 
 | 
                // #ifndef MP-ALIPAY || MP-DINGTALK 
 | 
                query = query.in(this) // 支付宝小程序不支持in(this),而字节跳动小程序必须写in(this), 否则都取不到值 
 | 
                // #endif 
 | 
                let view = query.select('#' + this.viewId); 
 | 
                view.boundingClientRect(data => { 
 | 
                    success(data) 
 | 
                }).exec(); 
 | 
            } 
 | 
        }, 
 | 
        // 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: { 
 | 
                    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) 
 | 
                    }, 
 | 
                    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) 
 | 
                        vm.downResetTimer && clearTimeout(vm.downResetTimer) 
 | 
                        vm.downResetTimer = setTimeout(()=>{ // 过渡动画执行完毕后,需重置为0的状态,以便置空this.transition,避免iOS小程序列表渲染不完整 
 | 
                            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); 
 | 
                        // 更新容器的高度 (多mescroll的情况) 
 | 
                        vm.setClientHeight() 
 | 
                    } 
 | 
                } 
 | 
            } 
 | 
  
 | 
            let i18nType = mescrollI18n.getType() // 当前语言类型 
 | 
            let i18nOption = {type: i18nType} // 国际化配置 
 | 
            MeScroll.extend(i18nOption, vm.i18n) // 具体页面的国际化配置 
 | 
            MeScroll.extend(i18nOption, GlobalOption.i18n) // 全局的国际化配置 
 | 
            MeScroll.extend(diyOption, i18nOption[i18nType]); // 混入国际化配置 
 | 
            MeScroll.extend(diyOption, {down:GlobalOption.down, up:GlobalOption.up}); // 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 
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            vm.mescroll = new MeScroll(myOption); 
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            vm.mescroll.viewId = vm.viewId; // 附带id 
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            // 挂载语言包 
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            vm.mescroll.i18n = i18nOption; 
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            // init回调mescroll对象 
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            vm.$emit('init', vm.mescroll); 
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            // 设置高度 
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            const sys = uni.getSystemInfoSync(); 
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            if(sys.windowTop) vm.windowTop = sys.windowTop; 
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            if(sys.windowBottom) vm.windowBottom = sys.windowBottom; 
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            if(sys.windowHeight) vm.windowHeight = sys.windowHeight; 
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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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            // 因为使用的是scrollview,这里需自定义scrollTo 
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            vm.mescroll.resetScrollTo((y, t) => { 
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                vm.scrollAnim = (t !== 0); // t为0,则不使用动画过渡 
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                if(typeof y === 'string'){ 
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                    // 小程序不支持slot里面的scroll-into-view, 统一使用计算的方式实现 
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                    vm.getClientInfo(function(rect){ 
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                        let mescrollTop = rect.top // mescroll到顶部的距离 
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                        let selector; 
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                        if(y.indexOf('#')==-1 && y.indexOf('.')==-1){ 
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                            selector = '#'+y // 不带#和. 则默认为id选择器 
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                        }else{ 
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                            selector = y 
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                            // #ifdef APP-PLUS || H5 || MP-ALIPAY || MP-DINGTALK 
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                            if(y.indexOf('>>>')!=-1){ // 不支持跨自定义组件的后代选择器 (转为普通的选择器即可跨组件查询) 
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                                selector = y.split('>>>')[1].trim() 
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                            } 
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                            // #endif 
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                        } 
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                        uni.createSelectorQuery().select(selector).boundingClientRect(function(rect){ 
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                            if (rect) { 
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                                let curY = vm.mescroll.getScrollTop() 
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                                let top = rect.top - mescrollTop 
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                                top += curY 
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                                if(!vm.isFixed) top -= vm.numTop 
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                                vm.scrollTop = curY; 
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                                vm.$nextTick(function() { 
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                                    vm.scrollTop = top 
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                                }) 
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                            } else{ 
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                                console.error(selector + ' does not exist'); 
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                            } 
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                        }).exec() 
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                    }) 
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                    return; 
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                } 
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                let curY = vm.mescroll.getScrollTop() 
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                if (t === 0 || t === 300) { // 当t使用默认配置的300时,则使用系统自带的动画过渡 
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                    vm.scrollTop = curY; 
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                    vm.$nextTick(function() { 
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                        vm.scrollTop = y 
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                    }) 
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                } else { 
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                    vm.mescroll.getStep(curY, y, step => { // 此写法可支持配置t 
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                        vm.scrollTop = step 
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                    }, t) 
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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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            // 全局配置监听 
 | 
            uni.$on("setMescrollGlobalOption", options=>{ 
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                if(!options) return; 
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                let i18nType = options.i18n ? options.i18n.type : null 
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                if(i18nType && vm.mescroll.i18n.type != i18nType){ 
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                    vm.mescroll.i18n.type = i18nType 
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                    mescrollI18n.setType(i18nType) 
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                    MeScroll.extend(options, vm.mescroll.i18n[i18nType]) 
 | 
                } 
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                if(options.down){ 
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                    let down = MeScroll.extend({}, options.down) 
 | 
                    vm.mescroll.optDown = MeScroll.extend(down, vm.mescroll.optDown) 
 | 
                } 
 | 
                if(options.up){ 
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                    let up = MeScroll.extend({}, options.up) 
 | 
                    vm.mescroll.optUp = MeScroll.extend(up, vm.mescroll.optUp) 
 | 
                } 
 | 
            }) 
 | 
        }, 
 | 
        mounted() { 
 | 
            // 设置容器的高度 
 | 
            this.setClientHeight() 
 | 
        }, 
 | 
        destroyed() { 
 | 
            // 注销全局配置监听 
 | 
            uni.$off("setMescrollGlobalOption") 
 | 
        } 
 | 
    } 
 | 
</script> 
 | 
  
 | 
<style> 
 | 
    @import "../../mescroll-uni/mescroll-uni.css"; 
 | 
    @import "../../mescroll-uni/components/mescroll-down.css"; 
 | 
    @import "../../mescroll-uni/components/mescroll-up.css"; 
 | 
    @import "./components/mescroll-down.css"; 
 | 
</style> 
 |