127 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Vue
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Vue
		
	
	
	
<template>
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	<view class="u-grid-item" :hover-class="parentData.hoverClass"
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	 :hover-stay-time="200" @tap="click" :style="{
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			background: bgColor,
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			width: width,
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		}">
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		<view class="u-grid-item-box" :style="[customStyle]" :class="[parentData.border ? 'u-border-right u-border-bottom' : '']">
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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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	/**
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	 * gridItem 提示
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	 * @description 宫格组件一般用于同时展示多个同类项目的场景,可以给宫格的项目设置徽标组件(badge),或者图标等,也可以扩展为左右滑动的轮播形式。搭配u-grid使用
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	 * @tutorial https://www.uviewui.com/components/grid.html
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	 * @property {String} bg-color 宫格的背景颜色(默认#ffffff)
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	 * @property {String Number} index 点击宫格时,返回的值
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	 * @property {Object} custom-style 自定义样式,对象形式
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	 * @event {Function} click 点击宫格触发
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	 * @example <u-grid-item></u-grid-item>
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	 */
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	export default {
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		name: "u-grid-item",
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		props: {
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			// 背景颜色
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			bgColor: {
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				type: String,
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				default: '#ffffff'
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			},
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			// 点击时返回的index
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			index: {
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				type: [Number, String],
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				default: ''
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			},
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			// 自定义样式,对象形式
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			customStyle: {
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				type: Object,
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				default() {
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					return {
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						padding: '30rpx 0'
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					}
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				}
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			}
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		},
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		data() {
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			return {
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				parentData: {
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					hoverClass: '', // 按下去的时候,是否显示背景灰色
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					col: 3, // 父组件划分的宫格数
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					border: true, // 是否显示边框,根据父组件决定
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				}
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			};
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		},
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		created() {
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			// 父组件的实例
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			this.updateParentData();
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			// this.parent在updateParentData()中定义
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			this.parent.children.push(this);
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		},
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		computed: {
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			// 每个grid-item的宽度
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			width() {
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				return 100 / Number(this.parentData.col) + '%';
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			},
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		},
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		methods: {
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			// 获取父组件的参数
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			updateParentData() {
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				// 此方法写在mixin中
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				this.getParentData('u-grid');
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			},
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			click() {
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				this.$emit('click', this.index);
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				this.parent && this.parent.click(this.index);
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			}
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		}
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	};
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</script>
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<style scoped lang="scss">
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	@import "../../libs/css/style.components.scss";
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	.u-grid-item {
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		box-sizing: border-box;
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		background: #fff;
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		@include vue-flex;
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		align-items: center;
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		justify-content: center;
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		position: relative;
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		flex-direction: column;
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		/* #ifdef MP */
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		position: relative;
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		float: left;
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		/* #endif */
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	}
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	.u-grid-item-hover {
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		background: #f7f7f7 !important;
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	}
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	.u-grid-marker-box {
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		position: absolute;
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		/* #ifndef APP-NVUE */
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		display: inline-flex;		
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		/* #endif */
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		line-height: 0;
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	}
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	.u-grid-marker-wrap {
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		position: absolute;
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	}
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	.u-grid-item-box {
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		padding: 30rpx 0;
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		@include vue-flex;
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		align-items: center;
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		justify-content: center;
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		flex-direction: column;
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		flex: 1;
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		width: 100%;
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		height: 100%;
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	}
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</style>
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