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uview-plus/components/u-back-top/backtop.js

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+/*
+ * @Author       : LQ
+ * @Description  :
+ * @version      : 1.0
+ * @Date         : 2021-08-20 16:44:21
+ * @LastAuthor   : LQ
+ * @lastTime     : 2021-08-20 16:50:18
+ * @FilePath     : /u-view2.0/uview-ui/libs/config/props/backtop.js
+ */
+export default {
+    // backtop组件
+    backtop: {
+        mode: 'circle',
+        icon: 'arrow-upward',
+        text: '',
+        duration: 100,
+        scrollTop: 0,
+        top: 400,
+        bottom: 100,
+        right: 20,
+        zIndex: 9,
+        iconStyle: {
+            color: '#909399',
+            fontSize: '19px'
+        }
+    }
+}

uview-plus/components/u-back-top/props.js

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+import { defineMixin } from '../../libs/vue'
+import defProps from '../../libs/config/props.js'
+export const props = defineMixin({
+    props: {
+        // 返回顶部的形状，circle-圆形，square-方形
+        mode: {
+            type: String,
+            default: () => defProps.backtop.mode
+        },
+        // 自定义图标
+        icon: {
+            type: String,
+            default: () => defProps.backtop.icon
+        },
+        // 提示文字
+        text: {
+            type: String,
+            default: () => defProps.backtop.text
+        },
+        // 返回顶部滚动时间
+        duration: {
+            type: [String, Number],
+            default: () => defProps.backtop.duration
+        },
+        // 滚动距离
+        scrollTop: {
+            type: [String, Number],
+            default: () => defProps.backtop.scrollTop
+        },
+        // 距离顶部多少距离显示，单位px
+        top: {
+            type: [String, Number],
+            default: () => defProps.backtop.top
+        },
+        // 返回顶部按钮到底部的距离，单位px
+        bottom: {
+            type: [String, Number],
+            default: () => defProps.backtop.bottom
+        },
+        // 返回顶部按钮到右边的距离，单位px
+        right: {
+            type: [String, Number],
+            default: () => defProps.backtop.right
+        },
+        // 层级
+        zIndex: {
+            type: [String, Number],
+            default: () => defProps.backtop.zIndex
+        },
+        // 图标的样式，对象形式
+        iconStyle: {
+            type: Object,
+            default: () => defProps.backtop.iconStyle
+        }
+    }
+})