chore: edit README.en.md
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@ -7,7 +7,7 @@
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<a href="https://coveralls.io/r/sentsin/layui?branch=master"><img alt="Test Coverage" src="https://img.shields.io/coveralls/sentsin/layui/master.svg"></a>
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</p>
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**[🔶 Explore the docs »](http://www.layui-vue.com)**
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**[🔶 Explore the docs »](http://www.layui-vue.com)** **[Join us](https://jq.qq.com/?_wv=1027&k=ffiUQgnE)**
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An enterprise-class UI components based on Layui and Vue.
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@ -75,4 +75,4 @@ This project follows the [all-contributors](https://github.com/layui-vue/layui-v
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## Licence
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Layui vue is licensed under the [MIT license](https://opensource.org/licenses/MIT).
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Layui vue is licensed under the [MIT license](https://opensource.org/licenses/MIT).
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@ -7,7 +7,7 @@
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<a href="https://coveralls.io/r/sentsin/layui?branch=master"><img alt="Test Coverage" src="https://img.shields.io/coveralls/sentsin/layui/master.svg"></a>
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</p>
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**[🔶 Explore the docs »](http://www.layui-vue.com)**
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**[🔶 Explore the docs »](http://www.layui-vue.com)** **[Join us](https://jq.qq.com/?_wv=1027&k=ffiUQgnE)**
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An enterprise-class UI components based on Layui and Vue.
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@ -75,4 +75,4 @@ This project follows the [all-contributors](https://github.com/layui-vue/layui-v
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## Licence
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Layui vue is licensed under the [MIT license](https://opensource.org/licenses/MIT).
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Layui vue is licensed under the [MIT license](https://opensource.org/licenses/MIT).
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@ -16,8 +16,9 @@
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<li>
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<h3>0.4.0 <span class="layui-badge-rim">2022-03-08</span></h3>
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<ul>
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<li>[重构] scroll 虚拟滚动, 代替浏览器原生滚动。</li>
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<li>[新增] date-picker 日期选择组件, 支持 年月,日期,时间。</li>
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<li>[新增] scroll 虚拟滚动组件。</li>
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<li>[新增] water-marker 水印组件。</li>
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<li>[新增] date-picker 日期选择组件, 支持年月, 日期, 时间。</li>
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<li>[修复] slider 滑块组件, 默认 step 值异常。</li>
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<li>[升级] layer-vue 1.3.10 版本。</li>
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</ul>
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@ -159,13 +159,6 @@ const throttle = (func: Function, wait: number) => {
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};
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</script>
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<style lang="less" scoped>
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.layui-side-scroll-bar {
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overflow-y: scroll;
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max-width: 156px;
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}
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.layui-side-scroll::-webkit-scrollbar {
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width: 0;
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}
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.lay-aside {
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position: fixed;
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top: 65px;
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@ -270,8 +263,5 @@ const throttle = (func: Function, wait: number) => {
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.lay-aside-list {
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max-width: 68px;
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}
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.layui-side-scroll-bar {
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max-width: 68px;
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}
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}
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</style>
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@ -1,4 +1,3 @@
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<template>
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<div
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class="scrollbar-box"
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@ -13,7 +12,7 @@
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ref="barRef"
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class="scrollbar-track"
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:style="{
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backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : slotColor
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backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : slotColor,
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}"
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>
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<!--
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@ -25,7 +24,7 @@
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height: barHeight + 'px',
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width: scrollWidth + 'px',
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transform: 'translateY(' + translateY + 'px)',
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backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : scrollColor
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backgroundColor: heightPre == 1 ? 'rgba(0,0,0,0)' : scrollColor,
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}"
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class="scrollbar-thumb"
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@mousedown.stop.prevent="moveStart"
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@ -34,7 +33,7 @@
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</div>
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</div>
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</template>
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<script>
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import {
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defineComponent,
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@ -42,31 +41,31 @@ import {
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onMounted,
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nextTick,
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reactive,
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onUnmounted
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} from 'vue'
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onUnmounted,
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} from "vue";
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export default defineComponent({
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name: 'LayScroll',
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name: "LayScroll",
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props: {
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height: {
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//:height="'200px'"
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type: String,
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default: '100%'
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default: "100%",
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},
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slotColor: {
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//滑块槽颜色 :slotColor="'red'"
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type: String,
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default: 'rgba(0,0,0,0)'
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default: "rgba(0,0,0,0)",
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},
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scrollColor: {
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//滑块颜色 :scrollColor="'red'"
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type: String,
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default: '#eeeeee'
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default: "#eeeeee",
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},
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scrollWidth: {
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//滑块宽度 :scrollWidth="7"
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type: Number,
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default: 6
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}
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default: 6,
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},
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},
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setup(props, ctx) {
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const data = reactive({
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@ -75,64 +74,64 @@ export default defineComponent({
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translateY: 0, // 滚动块平移的距离
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heightPre: 0, // 可视高度和内容高度比
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barHeight: 0, // 滑块高度
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winWidth: document.body.clientWidth //初始化浏览器页面宽度
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})
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let time = null // 定时器
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let isMove = false // 判断鼠标是否点击滑块（为松开）
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let moveClientY = 0 // 鼠标点击滑块时，相对滑块的位置
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let trackHeight = 0 // 滚动条轨道高度
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let wrapHeight = 0 // 容器高度（可视高度）
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let wrapContentHeight = 0 // 内容高度（可滚动内容的高度）
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winWidth: document.body.clientWidth, //初始化浏览器页面宽度
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});
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let time = null; // 定时器
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let isMove = false; // 判断鼠标是否点击滑块（为松开）
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let moveClientY = 0; // 鼠标点击滑块时，相对滑块的位置
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let trackHeight = 0; // 滚动条轨道高度
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let wrapHeight = 0; // 容器高度（可视高度）
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let wrapContentHeight = 0; // 内容高度（可滚动内容的高度）
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// 页面挂载后计算滚动条
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onMounted(() => {
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monitorWindow() //监听窗口尺寸
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monitorScrollBar() //监听内容元素尺寸
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monitorWindow(); //监听窗口尺寸
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monitorScrollBar(); //监听内容元素尺寸
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nextTick(() => {
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//dom渲染后
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calculationLength() //初始化延迟更新滚动条
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})
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})
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calculationLength(); //初始化延迟更新滚动条
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});
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});
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// 页面卸载清除定时器
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onUnmounted(() => {
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window.clearInterval(time)
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time = null
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})
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window.clearInterval(time);
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time = null;
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});
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// 监听页面尺寸改变计算滚动条
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const monitorWindow = function () {
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let time //定时器，防抖，窗口持续变化，延迟更新滚动条
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window.addEventListener('resize', () => {
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data.winWidth = document.body.clientWidth //页面改变监听宽度控制移动端隐藏滚动条
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clearTimeout(time)
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let time; //定时器，防抖，窗口持续变化，延迟更新滚动条
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window.addEventListener("resize", () => {
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data.winWidth = document.body.clientWidth; //页面改变监听宽度控制移动端隐藏滚动条
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clearTimeout(time);
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time = setTimeout(() => {
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//页面宽度变化继续监听，如果小于500就关闭自定义滚动条
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// console.log("浏览器窗口变化更新滚动条");
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initScrollListner()
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}, 500)
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})
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}
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initScrollListner();
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}, 500);
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});
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};
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//监听内容元素尺寸变化
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const monitorScrollBar = function () {
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var monitorUl = data.scrollRef.children[0]
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var monitorUl = data.scrollRef.children[0];
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// var monitorDiv= document; // 监听document
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let MutationObserver =
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window.MutationObserver ||
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window.WebKitMutationObserver ||
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window.MozMutationObserver
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window.MozMutationObserver;
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let observer = new MutationObserver(function (mutations) {
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// console.log("内容元素变化更新滚动条");
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initScrollListner()
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})
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initScrollListner();
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});
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// childList 观察子节点变动
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// 监听子节点增加或者内容撑起的尺寸
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observer.observe(monitorUl, {
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attributes: true,
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childList: true
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})
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}
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childList: true,
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});
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};
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// 初始化延迟监听滚动条
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const calculationLength = function () {
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// 直接执行initScrollListner函数，获取滚动条长度部准确
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@ -140,62 +139,62 @@ export default defineComponent({
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// 每间隔10毫秒更新滑块长度
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time = setInterval(() => {
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// 计算滚动条长度
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initScrollListner()
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}, 50)
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initScrollListner();
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}, 50);
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// 间隔500毫秒清除定时器，滑块缩短会有动画效果，时间可延长没有影响
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setTimeout(() => {
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window.clearInterval(time)
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time = null
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}, 2000)
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}
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window.clearInterval(time);
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time = null;
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}, 2000);
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};
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// 计算滚动条高度
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const initScrollListner = function () {
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let scroll = data.scrollRef
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let bar = data.barRef
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let scroll = data.scrollRef;
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let bar = data.barRef;
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// scroll有时候拿不到元素，要判断一下
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if (scroll) {
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wrapContentHeight = scroll.scrollHeight
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wrapHeight = scroll.clientHeight
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trackHeight = bar.clientHeight
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wrapContentHeight = scroll.scrollHeight;
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wrapHeight = scroll.clientHeight;
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trackHeight = bar.clientHeight;
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// console.log(wrapContentHeight ,wrapHeight);
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// 容器高度 / 内容高度 100 150
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data.heightPre = wrapHeight / wrapContentHeight
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data.heightPre = wrapHeight / wrapContentHeight;
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// 滑动块的高度 根据 容器和内容的比 乘以 滚动轨道 计算出 滑动块的高度
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data.barHeight = data.heightPre * trackHeight
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data.barHeight = data.heightPre * trackHeight;
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}
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}
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};
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// 内容滚动时，计算滑块移动的距离
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const onMosewheel = function (e) {
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// scrollTop页面顶部滚出的高度
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// offsetHeight页面可视区域高度
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// scrollHeight页面正文全文高度
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// data.translateY滚动块平移的距离
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data.translateY = e.target.scrollTop * data.heightPre
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data.translateY = e.target.scrollTop * data.heightPre;
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if (data.translateY == 0) {
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// 到达顶部
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arrive('top')
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arrive("top");
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} else if (
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e.target.scrollTop + e.target.offsetHeight ==
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e.target.scrollHeight
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) {
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// 滚出高度 + 可视区域高度 == 内容高度
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arrive('bottom')
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arrive("bottom");
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}
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}
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};
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// 到达顶部或者底部通知父级元素
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const arrive = function name(tb) {
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ctx.emit('arrive', tb)
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}
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ctx.emit("arrive", tb);
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};
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// 鼠标点击滑块时
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const moveStart = function (e) {
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isMove = true
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isMove = true;
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// clientY：当鼠标事件发生时，鼠标相对于浏览器（这里说的是浏览器的有效区域）y轴的位置
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// data.translateY 滚动块平移的距离
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// moveClientY 鼠标点击滑块时，相对滑块的位置
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moveClientY = e.clientY - data.translateY
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moveTo() //移动时
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moveEnd() //鼠标松开时
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}
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moveClientY = e.clientY - data.translateY;
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moveTo(); //移动时
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moveEnd(); //鼠标松开时
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};
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// 鼠标移动，改变thumb的位置以及容器scrollTop的位置
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const moveTo = function () {
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document.onmousemove = (e) => {
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@ -204,40 +203,40 @@ export default defineComponent({
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// 移动滑块时，判断时候到达顶部或者底部
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if (e.clientY - moveClientY > trackHeight - data.barHeight) {
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// 滑块到达 底部 就不在改变滑块translateY值
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data.translateY = trackHeight - data.barHeight
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data.translateY = trackHeight - data.barHeight;
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} else if (e.clientY - moveClientY < 0) {
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// 滑块到达 顶部 就不在改变滑块translateY值
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data.translateY = 0
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data.translateY = 0;
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} else {
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//改变滑块位置
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data.translateY = e.clientY - moveClientY
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data.translateY = e.clientY - moveClientY;
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}
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// 计算出内容盒子滚出顶部的距离
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data.scrollRef.scrollTop = data.translateY / data.heightPre
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data.scrollRef.scrollTop = data.translateY / data.heightPre;
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}
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}
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}
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};
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};
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// 鼠标从滑块松开时，不在监听滑块移动操作
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const moveEnd = function () {
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document.onmouseup = (e) => {
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if (isMove) {
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isMove = false
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isMove = false;
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}
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}
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}
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};
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};
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return {
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...toRefs(data),
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onMosewheel,
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moveStart
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}
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}
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})
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moveStart,
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};
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},
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});
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</script>
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<style lang="less" scoped>
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.scrollbar-box {
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height: 100%;
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overflow: hidden !important;;
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overflow: hidden !important;
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}
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.scrollbar-y {
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position: relative;
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@ -269,4 +268,4 @@ export default defineComponent({
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.hide.scrollbar-box .scrollbar-y {
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margin: 0;
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}
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</style>
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</style>
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