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							- <template>
 
-   <view class="u-mask" hover-stop-propagation :style="[maskStyle, zoomStyle]" @tap="click"
 
-         @touchmove.stop.prevent="() => {}" :class="{
 
- 		'u-mask-zoom': zoom,
 
- 		'u-mask-show': show
 
- 	}">
 
-     <slot/>
 
-   </view>
 
- </template>
 
- <script>
 
- /**
 
-  * mask 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://www.uviewui.com/components/mask.html
 
-  * @property {Boolean} show 是否显示遮罩(默认false)
 
-  * @property {String Number} z-index z-index 层级(默认1070)
 
-  * @property {Object} custom-style 自定义样式对象,见上方说明
 
-  * @property {String Number} duration 动画时长,单位毫秒(默认300)
 
-  * @property {Boolean} zoom 是否使用scale对遮罩进行缩放(默认true)
 
-  * @property {Boolean} mask-click-able 遮罩是否可点击,为false时点击不会发送click事件(默认true)
 
-  * @event {Function} click mask-click-able为true时,点击遮罩发送此事件
 
-  * @example <u-mask :show="show" @click="show = false"></u-mask>
 
-  */
 
- export default {
 
-   name: "u-mask",
 
-   props: {
 
-     // 是否显示遮罩
 
-     show: {
 
-       type: Boolean,
 
-       default: false
 
-     },
 
-     // 层级z-index
 
-     zIndex: {
 
-       type: [Number, String],
 
-       default: ''
 
-     },
 
-     // 用户自定义样式
 
-     customStyle: {
 
-       type: Object,
 
-       default() {
 
-         return {}
 
-       }
 
-     },
 
-     // 遮罩的动画样式, 是否使用使用zoom进行scale进行缩放
 
-     zoom: {
 
-       type: Boolean,
 
-       default: true
 
-     },
 
-     // 遮罩的过渡时间,单位为ms
 
-     duration: {
 
-       type: [Number, String],
 
-       default: 300
 
-     },
 
-     // 是否可以通过点击遮罩进行关闭
 
-     maskClickAble: {
 
-       type: Boolean,
 
-       default: true
 
-     }
 
-   },
 
-   data() {
 
-     return {
 
-       zoomStyle: {
 
-         transform: ''
 
-       },
 
-       scale: 'scale(1.2, 1.2)'
 
-     }
 
-   },
 
-   watch: {
 
-     show(n) {
 
-       if (n && this.zoom) {
 
-         // 当展示遮罩的时候,设置scale为1,达到缩小(原来为1.2)的效果
 
-         this.zoomStyle.transform = 'scale(1, 1)';
 
-       } else if (!n && this.zoom) {
 
-         // 当隐藏遮罩的时候,设置scale为1.2,达到放大(因为显示遮罩时已重置为1)的效果
 
-         this.zoomStyle.transform = this.scale;
 
-       }
 
-     }
 
-   },
 
-   computed: {
 
-     maskStyle() {
 
-       let style = {};
 
-       style.backgroundColor = "rgba(0, 0, 0, 0.6)";
 
-       if (this.show) style.zIndex = this.zIndex ? this.zIndex : this.$u.zIndex.mask;
 
-       else style.zIndex = -1;
 
-       style.transition = `all ${this.duration / 1000}s ease-in-out`;
 
-       // 判断用户传递的对象是否为空,不为空就进行合并
 
-       if (Object.keys(this.customStyle).length) style = {
 
-         ...style,
 
-         ...this.customStyle
 
-       };
 
-       return style;
 
-     }
 
-   },
 
-   methods: {
 
-     click() {
 
-       if (!this.maskClickAble) return;
 
-       this.$emit('click');
 
-     }
 
-   }
 
- }
 
- </script>
 
- <style lang="scss" scoped>
 
- @import "../../libs/css/style.components.scss";
 
- .u-mask {
 
-   position: fixed;
 
-   top: 0;
 
-   left: 0;
 
-   right: 0;
 
-   bottom: 0;
 
-   opacity: 0;
 
-   transition: transform 0.3s;
 
- }
 
- .u-mask-show {
 
-   opacity: 1;
 
- }
 
- .u-mask-zoom {
 
-   transform: scale(1.2, 1.2);
 
- }
 
- </style>
 
 
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