<template> <view class="u-col" :class="[ 'u-col-' + span ]" :style="{ padding: `0 ${Number(gutter)/2 + 'rpx'}`, marginLeft: 100 / 12 * offset + '%', flex: `0 0 ${100 / 12 * span}%`, alignItems: uAlignItem, justifyContent: uJustify, textAlign: textAlign }" @tap="click"> <slot></slot> </view> </template> <script> /** * col 布局单元格 * @description 通过基础的 12 分栏,迅速简便地创建布局(搭配<u-row>使用) * @tutorial https://www.uviewui.com/components/layout.html * @property {String Number} span 栅格占据的列数,总12等分(默认0) * @property {String} text-align 文字水平对齐方式(默认left) * @property {String Number} offset 分栏左边偏移,计算方式与span相同(默认0) * @example <u-col span="3"><view class="demo-layout bg-purple"></view></u-col> */ export default { name: "u-col", props: { // 占父容器宽度的多少等分,总分为12份 span: { type: [Number, String], default: 12 }, // 指定栅格左侧的间隔数(总12栏) offset: { type: [Number, String], default: 0 }, // 水平排列方式,可选值为`start`(或`flex-start`)、`end`(或`flex-end`)、`center`、`around`(或`space-around`)、`between`(或`space-between`) justify: { type: String, default: 'start' }, // 垂直对齐方式,可选值为top、center、bottom align: { type: String, default: 'center' }, // 文字对齐方式 textAlign: { type: String, default: 'left' }, // 是否阻止事件传播 stop: { type: Boolean, default: true } }, data() { return { gutter: 20, // 给col添加间距,左右边距各占一半,从父组件u-row获取 } }, created() { this.parent = false; }, mounted() { // 获取父组件实例,并赋值给对应的参数 this.parent = this.$u.$parent.call(this, 'u-row'); if (this.parent) { this.gutter = this.parent.gutter; } }, computed: { uJustify() { if (this.justify == 'end' || this.justify == 'start') return 'flex-' + this.justify; else if (this.justify == 'around' || this.justify == 'between') return 'space-' + this.justify; else return this.justify; }, uAlignItem() { if (this.align == 'top') return 'flex-start'; if (this.align == 'bottom') return 'flex-end'; else return this.align; } }, methods: { click(e) { this.$emit('click'); } } } </script> <style lang="scss"> @import "../../libs/css/style.components.scss"; .u-col { /* #ifdef MP-WEIXIN || MP-QQ || MP-TOUTIAO */ float: left; /* #endif */ } .u-col-0 { width: 0; } .u-col-1 { width: calc(100%/12); } .u-col-2 { width: calc(100%/12 * 2); } .u-col-3 { width: calc(100%/12 * 3); } .u-col-4 { width: calc(100%/12 * 4); } .u-col-5 { width: calc(100%/12 * 5); } .u-col-6 { width: calc(100%/12 * 6); } .u-col-7 { width: calc(100%/12 * 7); } .u-col-8 { width: calc(100%/12 * 8); } .u-col-9 { width: calc(100%/12 * 9); } .u-col-10 { width: calc(100%/12 * 10); } .u-col-11 { width: calc(100%/12 * 11); } .u-col-12 { width: calc(100%/12 * 12); } </style>