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<template>
<view class="u-grid-item" :hover-class="parentData.hoverClass"
:hover-stay-time="200" @tap="click" :style="{
background: bgColor,
width: width,
}">
<view class="u-grid-item-box" :style="[customStyle]" :class="[parentData.border ? 'u-border-right u-border-bottom' : '']">
<slot />
</view>
</view>
</template>
<script>
/**
* gridItem 提示
* @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。搭配u-grid使用
* @tutorial https://www.uviewui.com/components/grid.html
* @property {String} bg-color 宫格的背景颜色(默认#ffffff)
* @property {String Number} index 点击宫格时,返回的值
* @property {Object} custom-style 自定义样式,对象形式
* @event {Function} click 点击宫格触发
* @example <u-grid-item></u-grid-item>
*/
export default {
name: "u-grid-item",
emits: ["click"],
props: {
// 背景颜色
bgColor: {
type: String,
default: '#ffffff'
},
// 点击时返回的index
index: {
type: [Number, String],
default: ''
},
// 自定义样式,对象形式
customStyle: {
type: Object,
default() {
return {
padding: '30rpx 0'
}
}
}
},
data() {
return {
parentData: {
hoverClass: '', // 按下去的时候,是否显示背景灰色
col: 3, // 父组件划分的宫格数
border: true, // 是否显示边框,根据父组件决定
}
};
},
created() {
// 父组件的实例
this.updateParentData();
// this.parent在updateParentData()中定义
this.parent.children.push(this);
},
computed: {
// 每个grid-item的宽度
width() {
return 100 / Number(this.parentData.col) + '%';
},
},
methods: {
// 获取父组件的参数
updateParentData() {
// 此方法写在mixin中
this.getParentData('u-grid');
},
click() {
this.$emit('click', this.index);
this.parent && this.parent.click(this.index);
}
}
};
</script>
<style scoped lang="scss">
@import "../../libs/css/style.components.scss";
.u-grid-item {
box-sizing: border-box;
background: #fff;
@include vue-flex;
align-items: center;
justify-content: center;
position: relative;
flex-direction: column;
/* #ifdef MP */
position: relative;
float: left;
/* #endif */
}
.u-grid-item-hover {
background: #f7f7f7 !important;
}
.u-grid-marker-box {
position: absolute;
/* #ifndef APP-NVUE */
display: inline-flex;
/* #endif */
line-height: 0;
}
.u-grid-marker-wrap {
position: absolute;
}
.u-grid-item-box {
padding: 30rpx 0;
@include vue-flex;
align-items: center;
justify-content: center;
flex-direction: column;
flex: 1;
width: 100%;
height: 100%;
}
</style>