You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.7 KiB
100 lines
2.7 KiB
3 years ago
|
<template>
|
||
|
|
<view
|
||
|
|
class="u-grid"
|
||
|
|
ref='u-grid'
|
||
|
|
:style="[gridStyle]"
|
||
|
|
>
|
||
|
|
<slot />
|
||
|
|
</view>
|
||
|
|
</template>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
import props from './props.js';
|
||
|
|
/**
|
||
|
|
* grid 宫格布局
|
||
|
|
* @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。
|
||
|
|
* @tutorial https://www.uviewui.com/components/grid.html
|
||
|
|
* @property {String | Number} col 宫格的列数（默认 3 ）
|
||
|
|
* @property {Boolean} border 是否显示宫格的边框（默认 false ）
|
||
|
|
* @property {String} align 宫格对齐方式，表现为数量少的时候，靠左，居中，还是靠右 （默认 'left' ）
|
||
|
|
* @property {Object} customStyle 定义需要用到的外部样式
|
||
|
|
* @event {Function} click 点击宫格触发
|
||
|
|
* @example <u-grid :col="3" @click="click"></u-grid>
|
||
|
|
*/
|
||
|
|
export default {
|
||
|
|
name: 'u-grid',
|
||
|
|
mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
|
||
|
|
data() {
|
||
|
|
return {
|
||
|
|
index: 0,
|
||
|
|
width: 0
|
||
|
|
}
|
||
|
|
},
|
||
|
|
watch: {
|
||
|
|
// 当父组件需要子组件需要共享的参数发生了变化，手动通知子组件
|
||
|
|
parentData() {
|
||
|
|
if (this.children.length) {
|
||
|
|
this.children.map(child => {
|
||
|
|
// 判断子组件(u-radio)如果有updateParentData方法的话，就就执行(执行的结果是子组件重新从父组件拉取了最新的值)
|
||
|
|
typeof(child.updateParentData) == 'function' && child.updateParentData();
|
||
|
|
})
|
||
|
|
}
|
||
|
|
},
|
||
|
|
},
|
||
|
|
created() {
|
||
|
|
// 如果将children定义在data中，在微信小程序会造成循环引用而报错
|
||
|
|
this.children = []
|
||
|
|
},
|
||
|
|
computed: {
|
||
|
|
// 计算父组件的值是否发生变化
|
||
|
|
parentData() {
|
||
|
|
return [this.hoverClass, this.col, this.size, this.border];
|
||
|
|
},
|
||
|
|
// 宫格对齐方式
|
||
|
|
gridStyle() {
|
||
|
|
let style = {};
|
||
|
|
switch (this.align) {
|
||
|
|
case 'left':
|
||
|
|
style.justifyContent = 'flex-start';
|
||
|
|
break;
|
||
|
|
case 'center':
|
||
|
|
style.justifyContent = 'center';
|
||
|
|
break;
|
||
|
|
case 'right':
|
||
|
|
style.justifyContent = 'flex-end';
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
style.justifyContent = 'flex-start';
|
||
|
|
};
|
||
|
|
return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle));
|
||
|
|
}
|
||
|
|
},
|
||
|
|
methods: {
|
||
|
|
// 此方法由u-grid-item触发，用于在u-grid发出事件
|
||
|
|
childClick(name) {
|
||
|
|
this.$emit('click', name)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<style lang="scss">
|
||
|
|
@import "../../libs/css/components.scss";
|
||
|
|
$u-grid-width:100% !default;
|
||
|
|
.u-grid {
|
||
|
|
/* #ifdef MP */
|
||
|
|
width: $u-grid-width;
|
||
|
|
position: relative;
|
||
|
|
box-sizing: border-box;
|
||
|
|
overflow: hidden;
|
||
|
|
display: block;
|
||
|
|
/* #endif */
|
||
|
|
justify-content: center;
|
||
|
|
/* #ifndef MP */
|
||
|
|
@include flex;
|
||
|
|
flex-wrap: wrap;
|
||
|
|
align-items: center;
|
||
|
|
/* #endif */
|
||
|
|
}
|
||
|
|
</style>
|