lilishop-uniapp/uview-ui/components/u-collapse/u-collapse.vue

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<template>
<view class="u-collapse">
<slot />
</view>
</template>
<script>
/**
* collapse 手风琴
* @description 通过折叠面板收纳内容区域
* @tutorial https://www.uviewui.com/components/collapse.html
* @property {Boolean} accordion 是否手风琴模式默认true
* @property {Boolean} arrow 是否显示标题右侧的箭头默认true
* @property {String} arrow-color 标题右侧箭头的颜色(默认#909399
* @property {Object} head-style 标题自定义样式,对象形式
* @property {Object} body-style 主体自定义样式,对象形式
* @property {String} hover-class 样式类名按下时有效默认u-hover-class
* @event {Function} change 当前激活面板展开时触发(如果是手风琴模式参数activeNames类型为String否则为Array)
* @example <u-collapse></u-collapse>
*/
export default {
name:"u-collapse",
props: {
// 是否手风琴模式
accordion: {
type: Boolean,
default: true
},
// 头部的样式
headStyle: {
type: Object,
default () {
return {}
}
},
// 主体的样式
bodyStyle: {
type: Object,
default () {
return {}
}
},
// 每一个item的样式
itemStyle: {
type: Object,
default () {
return {}
}
},
// 是否显示右侧的箭头
arrow: {
type: Boolean,
default: true
},
// 箭头的颜色
arrowColor: {
type: String,
default: '#909399'
},
// 标题部分按压时的样式类,"none"为无效果
hoverClass: {
type: String,
default: 'u-hover-class'
}
},
provide() {
return {
uCollapse: this
}
},
created() {
this.childrens = []
},
data() {
return {
}
},
methods: {
// 重新初始化一次内部的所有子元素的高度计算,用于异步获取数据渲染的情况
init() {
this.childrens.forEach((vm, index) => {
vm.init();
})
},
// collapse item被点击由collapse item调用父组件方法
onChange() {
let activeItem = [];
this.childrens.forEach((vm, index) => {
if (vm.isShow) {
activeItem.push(vm.nameSync);
}
})
// 如果是手风琴模式只有一个匹配结果也即activeItem长度为1将其转为字符串
if (this.accordion) activeItem = activeItem.join('');
this.$emit('change', activeItem);
}
}
}
</script>
<style lang="scss" scoped>
@import "../../libs/css/style.components.scss";
</style>