318 lines
7.5 KiB
Vue
318 lines
7.5 KiB
Vue
<template>
|
||
<!-- #ifndef APP-NVUE -->
|
||
<view :class="['uni-col', sizeClass, pointClassList]" :style="{
|
||
paddingLeft:`${Number(gutter)}rpx`,
|
||
paddingRight:`${Number(gutter)}rpx`,
|
||
}">
|
||
<slot></slot>
|
||
</view>
|
||
<!-- #endif -->
|
||
<!-- #ifdef APP-NVUE -->
|
||
<!-- 在nvue上，类名样式不生效，换为style -->
|
||
<!-- 设置right正值失效，设置 left 负值 -->
|
||
<view :class="['uni-col']" :style="{
|
||
paddingLeft:`${Number(gutter)}rpx`,
|
||
paddingRight:`${Number(gutter)}rpx`,
|
||
width:`${nvueWidth}rpx`,
|
||
position:'relative',
|
||
marginLeft:`${marginLeft}rpx`,
|
||
left:`${right === 0 ? left : -right}rpx`
|
||
}">
|
||
<slot></slot>
|
||
</view>
|
||
<!-- #endif -->
|
||
</template>
|
||
|
||
<script>
|
||
/**
|
||
* Col 布局-列
|
||
* @description 搭配uni-row使用，构建布局。
|
||
* @tutorial https://ext.dcloud.net.cn/plugin?id=3958
|
||
*
|
||
* @property {span} type = Number 栅格占据的列数
|
||
* 默认 24
|
||
* @property {offset} type = Number 栅格左侧的间隔格数
|
||
* @property {push} type = Number 栅格向右移动格数
|
||
* @property {pull} type = Number 栅格向左移动格数
|
||
* @property {xs} type = [Number, Object] <768px 响应式栅格数或者栅格属性对象
|
||
* @description Number时表示在此屏幕宽度下，栅格占据的列数。Object时可配置多个描述{span: 4, offset: 4}
|
||
* @property {sm} type = [Number, Object] ≥768px 响应式栅格数或者栅格属性对象
|
||
* @description Number时表示在此屏幕宽度下，栅格占据的列数。Object时可配置多个描述{span: 4, offset: 4}
|
||
* @property {md} type = [Number, Object] ≥992px 响应式栅格数或者栅格属性对象
|
||
* @description Number时表示在此屏幕宽度下，栅格占据的列数。Object时可配置多个描述{span: 4, offset: 4}
|
||
* @property {lg} type = [Number, Object] ≥1200px 响应式栅格数或者栅格属性对象
|
||
* @description Number时表示在此屏幕宽度下，栅格占据的列数。Object时可配置多个描述{span: 4, offset: 4}
|
||
* @property {xl} type = [Number, Object] ≥1920px 响应式栅格数或者栅格属性对象
|
||
* @description Number时表示在此屏幕宽度下，栅格占据的列数。Object时可配置多个描述{span: 4, offset: 4}
|
||
*/
|
||
const ComponentClass = 'uni-col';
|
||
|
||
// -1 默认值，因为在微信小程序端只给Number会有默认值0
|
||
export default {
|
||
name: 'uniCol',
|
||
// #ifdef MP-WEIXIN
|
||
options: {
|
||
virtualHost: true // 在微信小程序中将组件节点渲染为虚拟节点，更加接近Vue组件的表现
|
||
},
|
||
// #endif
|
||
props: {
|
||
span: {
|
||
type: Number,
|
||
default: 24
|
||
},
|
||
offset: {
|
||
type: Number,
|
||
default: -1
|
||
},
|
||
pull: {
|
||
type: Number,
|
||
default: -1
|
||
},
|
||
push: {
|
||
type: Number,
|
||
default: -1
|
||
},
|
||
xs: [Number, Object],
|
||
sm: [Number, Object],
|
||
md: [Number, Object],
|
||
lg: [Number, Object],
|
||
xl: [Number, Object]
|
||
},
|
||
data() {
|
||
return {
|
||
gutter: 0,
|
||
sizeClass: '',
|
||
parentWidth: 0,
|
||
nvueWidth: 0,
|
||
marginLeft: 0,
|
||
right: 0,
|
||
left: 0
|
||
}
|
||
},
|
||
created() {
|
||
// 字节小程序中，在computed中读取$parent为undefined
|
||
let parent = this.$parent;
|
||
|
||
while (parent && parent.$options.componentName !== 'uniRow') {
|
||
parent = parent.$parent;
|
||
}
|
||
|
||
this.updateGutter(parent.gutter)
|
||
parent.$watch('gutter', (gutter) => {
|
||
this.updateGutter(gutter)
|
||
})
|
||
|
||
// #ifdef APP-NVUE
|
||
this.updateNvueWidth(parent.width)
|
||
parent.$watch('width', (width) => {
|
||
this.updateNvueWidth(width)
|
||
})
|
||
// #endif
|
||
},
|
||
computed: {
|
||
sizeList() {
|
||
let {
|
||
span,
|
||
offset,
|
||
pull,
|
||
push
|
||
} = this;
|
||
|
||
return {
|
||
span,
|
||
offset,
|
||
pull,
|
||
push
|
||
}
|
||
},
|
||
// #ifndef APP-NVUE
|
||
pointClassList() {
|
||
let classList = [];
|
||
|
||
['xs', 'sm', 'md', 'lg', 'xl'].forEach(point => {
|
||
const props = this[point];
|
||
if (typeof props === 'number') {
|
||
classList.push(`${ComponentClass}-${point}-${props}`)
|
||
} else if (typeof props === 'object' && props) {
|
||
Object.keys(props).forEach(pointProp => {
|
||
classList.push(
|
||
pointProp === 'span' ?
|
||
`${ComponentClass}-${point}-${props[pointProp]}` :
|
||
`${ComponentClass}-${point}-${pointProp}-${props[pointProp]}`
|
||
)
|
||
})
|
||
}
|
||
});
|
||
|
||
// 支付宝小程序使用 :class=[ ['a','b'] ]，渲染错误
|
||
return classList.join(' ');
|
||
}
|
||
// #endif
|
||
},
|
||
methods: {
|
||
updateGutter(parentGutter) {
|
||
parentGutter = Number(parentGutter);
|
||
if (!isNaN(parentGutter)) {
|
||
this.gutter = parentGutter / 2
|
||
}
|
||
},
|
||
// #ifdef APP-NVUE
|
||
updateNvueWidth(width) {
|
||
// 用于在nvue端，span，offset，pull，push的计算
|
||
this.parentWidth = width;
|
||
['span', 'offset', 'pull', 'push'].forEach(size => {
|
||
const curSize = this[size];
|
||
if ((curSize || curSize === 0) && curSize !== -1) {
|
||
let RPX = 1 / 24 * curSize * width
|
||
RPX = Number(RPX);
|
||
switch (size) {
|
||
case 'span':
|
||
this.nvueWidth = RPX
|
||
break;
|
||
case 'offset':
|
||
this.marginLeft = RPX
|
||
break;
|
||
case 'pull':
|
||
this.right = RPX
|
||
break;
|
||
case 'push':
|
||
this.left = RPX
|
||
break;
|
||
}
|
||
}
|
||
});
|
||
}
|
||
// #endif
|
||
},
|
||
watch: {
|
||
sizeList: {
|
||
immediate: true,
|
||
handler(newVal) {
|
||
// #ifndef APP-NVUE
|
||
let classList = [];
|
||
for (let size in newVal) {
|
||
const curSize = newVal[size];
|
||
if ((curSize || curSize === 0) && curSize !== -1) {
|
||
classList.push(
|
||
size === 'span' ?
|
||
`${ComponentClass}-${curSize}` :
|
||
`${ComponentClass}-${size}-${curSize}`
|
||
)
|
||
}
|
||
}
|
||
// 支付宝小程序使用 :class=[ ['a','b'] ]，渲染错误
|
||
this.sizeClass = classList.join(' ');
|
||
// #endif
|
||
// #ifdef APP-NVUE
|
||
this.updateNvueWidth(this.parentWidth);
|
||
// #endif
|
||
}
|
||
}
|
||
}
|
||
}
|
||
</script>
|
||
|
||
<style lang='scss' scoped>
|
||
/* breakpoints */
|
||
$--sm: 768px !default;
|
||
$--md: 992px !default;
|
||
$--lg: 1200px !default;
|
||
$--xl: 1920px !default;
|
||
|
||
$breakpoints: ('xs' : (max-width: $--sm - 1),
|
||
'sm' : (min-width: $--sm),
|
||
'md' : (min-width: $--md),
|
||
'lg' : (min-width: $--lg),
|
||
'xl' : (min-width: $--xl));
|
||
|
||
$layout-namespace: ".uni-";
|
||
$col: $layout-namespace+"col";
|
||
|
||
@function getSize($size) {
|
||
/* TODO 1/24 * $size * 100 * 1%; 使用计算后的值，为了解决 vue3 控制台报错 */
|
||
@return 0.04166666666 * $size * 100 * 1%;
|
||
}
|
||
|
||
@mixin res($key, $map:$breakpoints) {
|
||
@if map-has-key($map, $key) {
|
||
@media screen and #{inspect(map-get($map,$key))} {
|
||
@content;
|
||
}
|
||
}
|
||
|
||
@else {
|
||
@warn "Undeinfed point: `#{$key}`";
|
||
}
|
||
}
|
||
|
||
/* #ifndef APP-NVUE */
|
||
#{$col} {
|
||
float: left;
|
||
box-sizing: border-box;
|
||
}
|
||
|
||
#{$col}-0 {
|
||
/* #ifdef APP-NVUE */
|
||
width: 0;
|
||
height: 0;
|
||
margin-top: 0;
|
||
margin-right: 0;
|
||
margin-bottom: 0;
|
||
margin-left: 0;
|
||
/* #endif */
|
||
/* #ifndef APP-NVUE */
|
||
display: none;
|
||
/* #endif */
|
||
}
|
||
|
||
@for $i from 0 through 24 {
|
||
#{$col}-#{$i} {
|
||
width: getSize($i);
|
||
}
|
||
|
||
#{$col}-offset-#{$i} {
|
||
margin-left: getSize($i);
|
||
}
|
||
|
||
#{$col}-pull-#{$i} {
|
||
position: relative;
|
||
right: getSize($i);
|
||
}
|
||
|
||
#{$col}-push-#{$i} {
|
||
position: relative;
|
||
left: getSize($i);
|
||
}
|
||
}
|
||
|
||
@each $point in map-keys($breakpoints) {
|
||
@include res($point) {
|
||
#{$col}-#{$point}-0 {
|
||
display: none;
|
||
}
|
||
|
||
@for $i from 0 through 24 {
|
||
#{$col}-#{$point}-#{$i} {
|
||
width: getSize($i);
|
||
}
|
||
|
||
#{$col}-#{$point}-offset-#{$i} {
|
||
margin-left: getSize($i);
|
||
}
|
||
|
||
#{$col}-#{$point}-pull-#{$i} {
|
||
position: relative;
|
||
right: getSize($i);
|
||
}
|
||
|
||
#{$col}-#{$point}-push-#{$i} {
|
||
position: relative;
|
||
left: getSize($i);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* #endif */
|
||
</style>
|