软测宝小程序
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.
 
 
 

108 lines
2.7 KiB

<template>
<view class="u-grid" :class="{'u-border-top u-border-left': border}" :style="[gridStyle]"><slot /></view>
</template>
<script>
/**
* 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true)
* @property {Boolean} hover-class 点击宫格的时候,是否显示按下的灰色背景(默认false)
* @event {Function} click 点击宫格触发
* @example <u-grid :col="3" @click="click"></u-grid>
*/
export default {
name: 'u-grid',
props: {
// 分成几列
col: {
type: [Number, String],
default: 3
},
// 是否显示边框
border: {
type: Boolean,
default: true
},
// 宫格对齐方式,表现为数量少的时候,靠左,居中,还是靠右
align: {
type: String,
default: 'left'
},
// 宫格按压时的样式类,"none"为无效果
hoverClass: {
type: String,
default: 'u-hover-class'
}
},
data() {
return {
index: 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 style;
}
},
methods: {
click(index) {
this.$emit('click', index);
}
}
};
</script>
<style scoped lang="scss">
@import "../../libs/css/style.components.scss";
.u-grid {
width: 100%;
/* #ifdef MP */
position: relative;
box-sizing: border-box;
overflow: hidden;
/* #endif */
/* #ifndef MP */
@include vue-flex;
flex-wrap: wrap;
align-items: center;
/* #endif */
}
</style>