143 lines
3.1 KiB
Vue
143 lines
3.1 KiB
Vue
<template>
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<view
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class="u-col"
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:class="['u-col-' + span, customClass]"
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:style="$u.toStyle(colStyle, customStyle)"
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@tap="onClick"
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>
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<slot></slot>
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</view>
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</template>
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<script lang="ts">
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export default {
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name: 'u-col',
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options: {
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addGlobalClass: true,
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// #ifndef MP-TOUTIAO
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virtualHost: true,
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// #endif
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styleIsolation: 'shared'
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}
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};
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</script>
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<script setup lang="ts">
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import { computed } from 'vue';
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import { ColProps } from './types';
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import { $u, useChildren } from '../../';
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/**
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* col 布局单元格
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* @description 通过基础的 12 分栏，迅速简便地创建布局（搭配<u-row>使用）
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* @tutorial https://uviewpro.cn/zh/components/layout.html
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* @property {String|Number} span 栅格占据的列数，总12等分（默认0）
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* @property {String} text-align 文字水平对齐方式（默认left）
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* @property {String|Number} offset 分栏左边偏移，计算方式与span相同（默认0）
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* @example <u-col span="3"><view class="demo-layout bg-purple"></view></u-col>
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*/
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const emit = defineEmits<{ (e: 'click'): void }>();
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const props = defineProps(ColProps);
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const { parentExposed } = useChildren('u-col', 'u-row');
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/**
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* gutter 给col添加间距，左右边距各占一半，从父组件u-row获取
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*/
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const gutter = computed(() => {
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return parentExposed?.value?.props?.gutter ?? 20;
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});
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/**
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* 计算水平排列方式
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* @returns {string}
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*/
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const uJustify = computed(() => {
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if (props.justify === 'end' || props.justify === 'start') return 'flex-' + props.justify;
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else if (props.justify === 'around' || props.justify === 'between') return 'space-' + props.justify;
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else return props.justify;
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});
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/**
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* 计算垂直对齐方式
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* @returns {string}
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*/
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const uAlignItem = computed(() => {
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if (props.align === 'top') return 'flex-start';
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if (props.align === 'bottom') return 'flex-end';
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else return props.align;
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});
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/**
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* 计算样式对象
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*/
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const colStyle = computed<any>(() => ({
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padding: `0 ${Number(gutter.value) / 2}px`,
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marginLeft: `${(100 / 12) * Number(props.offset)}%`,
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flex: `0 0 ${(100 / 12) * Number(props.span)}%`,
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alignItems: uAlignItem.value,
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justifyContent: uJustify.value,
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textAlign: props.textAlign
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}));
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/**
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* 点击事件
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* @param e 事件对象
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*/
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function onClick(e: Event) {
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emit('click');
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}
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</script>
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<style lang="scss">
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@import '../../libs/css/style.components.scss';
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.u-col {
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/* #ifdef MP-WEIXIN || MP-QQ || MP-TOUTIAO */
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float: left;
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/* #endif */
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}
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.u-col-0 {
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width: 0;
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}
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.u-col-1 {
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width: calc(100% / 12);
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}
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.u-col-2 {
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width: calc(100% / 12 * 2);
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}
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.u-col-3 {
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width: calc(100% / 12 * 3);
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}
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.u-col-4 {
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width: calc(100% / 12 * 4);
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}
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.u-col-5 {
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width: calc(100% / 12 * 5);
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}
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.u-col-6 {
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width: calc(100% / 12 * 6);
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}
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.u-col-7 {
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width: calc(100% / 12 * 7);
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}
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.u-col-8 {
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width: calc(100% / 12 * 8);
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}
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.u-col-9 {
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width: calc(100% / 12 * 9);
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}
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.u-col-10 {
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width: calc(100% / 12 * 10);
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}
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.u-col-11 {
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width: calc(100% / 12 * 11);
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}
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.u-col-12 {
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width: calc(100% / 12 * 12);
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}
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</style>
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