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			129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
<template>
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	<view
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	    class="u-empty"
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	    :style="[emptyStyle]"
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	    v-if="show"
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	>
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		<u-icon
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		    v-if="!isSrc"
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		    :name="mode === 'message' ? 'chat' : `empty-${mode}`"
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		    :size="iconSize"
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		    :color="iconColor"
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		    margin-top="14"
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		></u-icon>
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		<image
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		    v-else
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		    :style="{
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				width: $u.addUnit(width),
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				height: $u.addUnit(height),
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			}"
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		    :src="icon"
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		    mode="widthFix"
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		></image>
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		<text
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		    class="u-empty__text"
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		    :style="[textStyle]"
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		>{{text ? text : icons[mode]}}</text>
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		<view class="u-empty__wrap" v-if="$slots.default || $slots.$default">
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			<slot />
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		</view>
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	</view>
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</template>
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<script>
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	import props from './props.js';
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	/**
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	 * empty 内容为空
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	 * @description 该组件用于需要加载内容,但是加载的第一页数据就为空,提示一个"没有内容"的场景, 我们精心挑选了十几个场景的图标,方便您使用。
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	 * @tutorial https://www.uviewui.com/components/empty.html
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	 * @property {String}			icon		内置图标名称,或图片路径,建议绝对路径
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	 * @property {String}			text		提示文字
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	 * @property {String}			textColor	文字颜色 (默认 '#c0c4cc' )
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	 * @property {String | Number}	textSize	文字大小 (默认 14 )
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	 * @property {String}			iconColor	图标的颜色 (默认 '#c0c4cc' )
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	 * @property {String | Number}	iconSize	图标的大小 (默认 90 )
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	 * @property {String}			mode		选择预置的图标类型 (默认 'data' )
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	 * @property {String | Number}	width		图标宽度,单位px (默认 160 )
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	 * @property {String | Number}	height		图标高度,单位px (默认 160 )
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	 * @property {Boolean}			show		是否显示组件 (默认 true )
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	 * @property {String | Number}	marginTop	组件距离上一个元素之间的距离,默认px单位 (默认 0 )
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	 * @property {Object}			customStyle	定义需要用到的外部样式
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	 * 
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	 * @event {Function} click 点击组件时触发
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	 * @event {Function} close 点击关闭按钮时触发
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	 * @example <u-empty text="所谓伊人,在水一方" mode="list"></u-empty>
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	 */
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	export default {
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		name: "u-empty",
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		mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
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		data() {
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			return {
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				icons: {
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					car: '购物车为空',
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					page: '页面不存在',
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					search: '没有搜索结果',
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					address: '没有收货地址',
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					wifi: '没有WiFi',
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					order: '订单为空',
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					coupon: '没有优惠券',
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					favor: '暂无收藏',
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					permission: '无权限',
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					history: '无历史记录',
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					news: '无新闻列表',
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					message: '消息列表为空',
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					list: '列表为空',
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					data: '数据为空',
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					comment: '暂无评论',
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				}
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			}
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		},
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		computed: {
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			// 组件样式
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			emptyStyle() {
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				const style = {}
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				style.marginTop = uni.$u.addUnit(this.marginTop)
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				// 合并customStyle样式,此参数通过mixin中的props传递
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				return uni.$u.deepMerge(uni.$u.addStyle(this.customStyle), style)
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			},
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			// 文本样式
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			textStyle() {
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				const style = {}
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				style.color = this.textColor
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				style.fontSize = uni.$u.addUnit(this.textSize)
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				return style
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			},
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			// 判断icon是否图片路径
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			isSrc() {
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				return this.icon.indexOf('/') >= 0
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			}
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		}
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	}
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</script>
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<style lang="scss" scoped>
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	@import '../../libs/css/components.scss';
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	$u-empty-text-margin-top:20rpx !default;
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	$u-empty-slot-margin-top:20rpx !default;
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	.u-empty {
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		@include flex;
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		flex-direction: column;
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		justify-content: center;
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		align-items: center;
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		&__text {
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			@include flex;
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			justify-content: center;
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			align-items: center;
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			margin-top: $u-empty-text-margin-top;
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		}
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	}
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		.u-slot-wrap {
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			@include flex;
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			justify-content: center;
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			align-items: center;
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			margin-top:$u-empty-slot-margin-top;
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		}
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</style>
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