Initial commit

uview-plus/components/u-overlay/overlay.js

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+/*
+ * @Author       : LQ
+ * @Description  :
+ * @version      : 1.0
+ * @Date         : 2021-08-20 16:44:21
+ * @LastAuthor   : LQ
+ * @lastTime     : 2021-08-20 17:06:50
+ * @FilePath     : /u-view2.0/uview-ui/libs/config/props/overlay.js
+ */
+export default {
+    // overlay组件
+    overlay: {
+        show: false,
+        zIndex: 10070,
+        duration: 300,
+        opacity: 0.5
+    }
+}

uview-plus/components/u-overlay/props.js

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+import { defineMixin } from '../../libs/vue'
+import defProps from '../../libs/config/props.js'
+export const props = defineMixin({
+    props: {
+        // 是否显示遮罩
+        show: {
+            type: Boolean,
+            default: () => defProps.overlay.show
+        },
+        // 层级z-index
+        zIndex: {
+            type: [String, Number],
+            default: () => defProps.overlay.zIndex
+        },
+        // 遮罩的过渡时间，单位为ms
+        duration: {
+            type: [String, Number],
+            default: () => defProps.overlay.duration
+        },
+        // 不透明度值，当做rgba的第四个参数
+        opacity: {
+            type: [String, Number],
+            default: () => defProps.overlay.opacity
+        }
+    }
+})

uview-plus/components/u-overlay/u-overlay.vue

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+<template>
+	<u-transition
+	    :show="show"
+	    custom-class="u-overlay"
+	    :duration="duration"
+	    :custom-style="overlayStyle"
+	    @click="clickHandler"
+		@touchmove.stop.prevent="noop"
+	>
+		<slot />
+	</u-transition>
+</template>
+
+<script>
+	import { props } from './props';
+	import { mpMixin } from '../../libs/mixin/mpMixin';
+	import { mixin } from '../../libs/mixin/mixin';
+	import { addStyle, deepMerge } from '../../libs/function/index';
+	/**
+	 * overlay 遮罩
+	 * @description 创建一个遮罩层，用于强调特定的页面元素，并阻止用户对遮罩下层的内容进行操作，一般用于弹窗场景
+	 * @tutorial https://ijry.github.io/uview-plus/components/overlay.html
+	 * @property {Boolean}			show		是否显示遮罩（默认 false ）
+	 * @property {String | Number}	zIndex		zIndex 层级（默认 10070 ）
+	 * @property {String | Number}	duration	动画时长，单位毫秒（默认 300 ）
+	 * @property {String | Number}	opacity		不透明度值，当做rgba的第四个参数 （默认 0.5 ）
+	 * @property {Object}			customStyle	定义需要用到的外部样式
+	 * @event {Function} click 点击遮罩发送事件
+	 * @example <u-overlay :show="show" @click="show = false"></u-overlay>
+	 */
+	export default {
+		name: "u-overlay",
+		mixins: [mpMixin, mixin,props],
+		computed: {
+			overlayStyle() {
+				const style = {
+					position: 'fixed',
+					top: 0,
+					left: 0,
+					right: 0,
+					zIndex: this.zIndex,
+					bottom: 0,
+					'background-color': `rgba(0, 0, 0, ${this.opacity})`
+				}
+				return deepMerge(style, addStyle(this.customStyle))
+			}
+		},
+		emits: ["click"],
+		methods: {
+			clickHandler() {
+				this.$emit('click')
+			}
+		}
+	}
+</script>
+
+<style lang="scss" scoped>
+	@import "../../libs/css/components.scss";
+     $u-overlay-top:0 !default;
+     $u-overlay-left:0 !default;
+     $u-overlay-width:100% !default;
+     $u-overlay-height:100% !default;
+     $u-overlay-background-color:rgba(0, 0, 0, .7) !default;
+	.u-overlay {
+		position: fixed;
+		top:$u-overlay-top;
+		left:$u-overlay-left;
+		width: $u-overlay-width;
+		height:$u-overlay-height;
+		background-color:$u-overlay-background-color;
+	}
+</style>