feat(backtop):新增 size 属性，移除 iconPrefix 属性
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@ -1,6 +1,6 @@
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::: title 基础使用
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::: title 基础使用
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###### 回到顶部组件的默认样式，<code>lay-backtop</code> 会自动寻找最近的可滚动祖先元素，也可以使用 target 属性指定触发滚动事件的元素，通过滑动来查看页面右下角的正方形按钮。
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###### 回到顶部组件的默认样式，<code>lay-backtop</code> 会自动寻找最近的可滚动祖先元素，也可以使用 `target` 属性指定触发滚动事件的元素，通过滑动来查看页面右下角的正方形按钮。
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:::
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:::
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::: demo
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::: demo
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@ -49,7 +49,7 @@ export default {
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:::
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:::
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::: title 滚动容器
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::: title 挂载容器
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###### 通过设置 <code>target</code> 和 <code>position="absolute"</code>参数，可对特定容器进行返回顶部操作
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###### 通过设置 <code>target</code> 和 <code>position="absolute"</code>参数，可对特定容器进行返回顶部操作
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@ -58,7 +58,7 @@ export default {
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<template>
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<template>
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<!-- 需要用一个 div 包裹触发滚动事件的目标元素和 lay-backtop 组件 -->
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<!-- 需要用一个 div 包裹触发滚动事件的目标元素和 lay-backtop 组件 -->
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<div class="scrollContainer" style="width:700px; height:300px;">
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<div class="wrapper" style="width:700px; height:300px;">
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<div id="scrollContent" style="overflow-y:auto; overflow-x:auto; width:700px; height:300px;background-color:whitesmoke;padding:10px;">
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<div id="scrollContent" style="overflow-y:auto; overflow-x:auto; width:700px; height:300px;background-color:whitesmoke;padding:10px;">
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<lay-panel v-for="(n,index) in 50" :key="n" style="margin-top:5px;margin-bottom:5px;padding:10px;">内容</lay-panel>
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<lay-panel v-for="(n,index) in 50" :key="n" style="margin-top:5px;margin-bottom:5px;padding:10px;">内容</lay-panel>
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</div>
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</div>
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@ -76,26 +76,23 @@ export default {
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::: table
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::: table
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| 属性 | 说明 | 类型 | 可选值 |
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| 属性 | 描述 | 类型 | 默认值 | 可选值 |
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| ------------------------- | --------------------------------------------- | ------- | -------------------------- |
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| ------------ | --------------------------------------------- | ---------------- | ---------------- | ------------------------------ |
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| <strong>通用属性</strong> |
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| target | 可选，触发滚动事件的对象 | string \| Window | `window` | `CSS/Element 选择器` `window` |
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| target | 可选，触发滚动事件的对象 | string | CSS 选择器 \| window(默认) |
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| showHeight | 可选，滚动高度达到该值后<br>显示回到顶部按钮 | number | `200` | — |
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| showHeight | 可选，滚动高度达到该值后显示回到顶部按钮 | number | 200(默认) |
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| disabled | 可选，禁用点击返回顶部 | boolean | `false` | `true` `false` |
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| disabled | 可选，禁用点击返回顶部 | boolean | true \| false(默认) |
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| position | 可选，定位方式，特定容器内部<br>需设置为 absolute | string | `fixed` | `absolute` `fixed` |
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| <strong>组件样式</strong> |
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| right | 可选，按钮距离页面右边距 | number | `30` | — |
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| position | 可选，定位方式，特定容器内部需设置为 absolute | string | absolute \| fixed(默认) |
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| size | 可选，按钮大小 | string | —— | `medium` `small` |
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| right | 可选，按钮距离页面右边距，单位 px | number | 30(默认) |
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| bottom | 可选，按钮距离页面底部位置 | number | `40` | `40` |
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| bottom | 可选，按钮距离页面底部位置，单位 px | number | 40(默认) |
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| bgcolor | 可选，背景颜色 | string | `#9F9F9F` | — |
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| bgcolor | 可选，背景颜色 | string | \#9F9F9F(默认) |
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| opacity | 可选，不透明度 | number | `0.95` | `0-1` |
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| opacity | 可选，不透明度 | number | 0.0-1.0 |
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| color | 可选，前景颜色 | string | `#FFFFFF` | — |
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| color | 可选，前景颜色 | string | #FFFFFF |
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| borderRadius | 可选，添加圆角 | number \| string | `2` | e: 2 \| 2px \|50% |
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| borderRadius | 可选，添加圆角 | string | 2px(默认) |
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| circle | 可选，使用圆形按钮 | boolean | `false` | `true` `false` |
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| circle | 可选, 使用圆形按钮 | boolean | true \| false(默认)
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| icon | 可选，图标类型 | string | `layui-icon-top` | `lay-icon`组件支持的所有类型 |
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| <strong>图标样式</strong> |
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| iconSize | 可选，图标大小 | number | `30` | `30` |
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| icon | 可选,图标类型 | string | layui-icon-top(默认) |
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| iconColor | 可选，图标颜色 | string | `#FFFFFF` | — |
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| iconSize | 可选,图标大小 | number | 30 |
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| iconPrefix | 可选,图标前缀 layui-icon layui-icon-top | string | layui-icon(默认) |
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| iconColor | 可选,图标颜色 | string | #FFFFFF(默认) |
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:::
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:::
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@ -104,7 +101,7 @@ export default {
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::: table
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::: table
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| 事件名 | 说明 | 回调参数 |
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| 事件 | 描述 | 参数 |
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| ------ | -------------------------- | -------- |
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| ------ | -------------------------- | -------- |
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| click | 点击回到顶部按钮的回调函数 | event |
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| click | 点击回到顶部按钮的回调函数 | event |
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@ -115,8 +112,8 @@ export default {
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::: table
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::: table
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| 插槽名 | 说明 |
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| 插槽 | 说明 |
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| ------ | ---------- |
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| ------ | ---------- |
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| — | 自定义内容 |
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| default| 自定义内容 |
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:::
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:::
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@ -1,10 +1,13 @@
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/** backtop **/
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/** backtop **/
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@width: 50px;
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@height: @width;
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.layui-backtop {
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.layui-backtop {
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position: fixed;
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position: fixed;
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right: 30px;
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right: 30px;
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bottom: 40px;
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bottom: 40px;
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width: 50px;
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width: @width;
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height: 50px;
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height: @height;
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display: flex;
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display: flex;
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align-items: center;
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align-items: center;
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justify-content: center;
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justify-content: center;
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@ -19,3 +22,15 @@
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opacity: 0.85;
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opacity: 0.85;
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}
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}
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}
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}
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.layui-backtop-medium{
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width: @width - 10px;
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height: @height - 10px;
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font-size: 30px;
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}
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.layui-backtop-small{
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width: @width - 20px;
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height: @height - 20px;
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font-size: 20px;
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}
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@ -3,6 +3,7 @@
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v-show="visible"
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v-show="visible"
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ref="backtopRef"
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ref="backtopRef"
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class="layui-backtop"
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class="layui-backtop"
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:class="classBacktop"
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:style="{ ...styleBacktop }"
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:style="{ ...styleBacktop }"
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@click.stop="handleClick"
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@click.stop="handleClick"
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@mousedown="handlerMousedown"
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@mousedown="handlerMousedown"
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@ -12,7 +13,6 @@
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<lay-icon
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<lay-icon
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:type="props.icon"
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:type="props.icon"
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:size="`${props.iconSize}px`"
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:size="`${props.iconSize}px`"
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:prefix="props.iconPrefix"
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:color="props.iconColor"
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:color="props.iconColor"
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/>
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/>
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</slot>
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</slot>
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@ -47,6 +47,7 @@ export interface LayBacktopProps {
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position?: "fixed" | "absolute";
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position?: "fixed" | "absolute";
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right?: number;
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right?: number;
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bottom?: number;
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bottom?: number;
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size?: "medium" | "small";
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bgcolor?: string;
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bgcolor?: string;
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opacity?: number;
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opacity?: number;
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color?: string;
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color?: string;
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@ -55,7 +56,6 @@ export interface LayBacktopProps {
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/**图标样式*/
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/**图标样式*/
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icon?: string;
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icon?: string;
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iconSize?: number;
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iconSize?: number;
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iconPrefix?: string;
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iconColor?: string;
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iconColor?: string;
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}
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}
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@ -64,7 +64,6 @@ const props = withDefaults(defineProps<LayBacktopProps>(), {
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showHeight: 200,
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showHeight: 200,
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icon: "layui-icon-top",
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icon: "layui-icon-top",
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iconSize: 30,
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iconSize: 30,
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iconPrefix: "layui-icon",
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disabled: false,
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disabled: false,
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circle: false,
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circle: false,
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});
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});
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@ -75,8 +74,17 @@ const backtopRef = ref<HTMLElement | null>(null);
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const scrollTarget = shallowRef<Window | HTMLElement | undefined>(undefined);
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const scrollTarget = shallowRef<Window | HTMLElement | undefined>(undefined);
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let visible = ref(props.showHeight === 0);
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let visible = ref(props.showHeight === 0);
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const classBacktop = computed(() => {
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return {
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'layui-backtop-medium': props.size === "medium",
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'layui-backtop-small': props.size === "small"
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}
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});
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const borderRadius = computed(() => {
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const borderRadius = computed(() => {
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if (props.circle) return "50%";
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if (props.circle) {
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return "50%"
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};
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return typeof props.borderRadius === "number"
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return typeof props.borderRadius === "number"
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? `${props.borderRadius}px`
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? `${props.borderRadius}px`
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: props.borderRadius;
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: props.borderRadius;
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@ -150,14 +158,14 @@ const getScrollTarget = () => {
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return getScrollParent(backtopRef.value!, false);
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return getScrollParent(backtopRef.value!, false);
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} else {
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} else {
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const targetElement = document.querySelector<HTMLElement>(props.target);
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const targetElement = document.querySelector<HTMLElement>(props.target);
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if (!targetElement)
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if (!targetElement){
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throw new Error(`target is not existed: ${props.target}`);
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throw new Error(`target is not existed: ${props.target}`);
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}
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// 特定容器内部显示
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// 特定容器内部显示
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if (props.position === "absolute") {
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if (props.position === "absolute") {
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if (!targetElement.parentElement)
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if (!targetElement.parentElement){
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throw new Error(
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throw new Error( `target parent element is not existed: ${props.target}`);
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`target parent element is not existed: ${props.target}`
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}
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);
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targetElement.parentElement.style.position = "relative";
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targetElement.parentElement.style.position = "relative";
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// backtopRef.value!.style.position = props.position;
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// backtopRef.value!.style.position = props.position;
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}
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}
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@ -178,9 +186,12 @@ const getScrollParent = (
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//if (style.position === "fixed") return document.documentElement || document.body || window;
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//if (style.position === "fixed") return document.documentElement || document.body || window;
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for (let parent: HTMLElement = element; (parent = parent.parentElement!); ) {
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for (let parent: HTMLElement = element; (parent = parent.parentElement!); ) {
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style = getComputedStyle(parent);
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style = getComputedStyle(parent);
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if (excludeStaticParent && style.position === "static") continue;
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if (excludeStaticParent && style.position === "static") {
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if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX))
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continue;
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}
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if (overflowRegex.test(style.overflow + style.overflowY + style.overflowX)){
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return parent;
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return parent;
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}
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}
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}
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return document.documentElement || document.body || window;
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return document.documentElement || document.body || window;
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};
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};
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