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<template>
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<view class="u-radio-group u-clearfix" :style="$u.toStyle(customStyle)" :class="customClass">
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<slot></slot>
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</view>
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</template>
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<script lang="ts">
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export default {
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name: 'u-radio-group',
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options: {
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addGlobalClass: true,
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// #ifndef MP-TOUTIAO
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virtualHost: true,
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// #endif
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styleIsolation: 'shared'
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}
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};
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</script>
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<script setup lang="ts">
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import { $u, useParent, useChildren } from '../..';
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import { RadioGroupProps } from './types';
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/**
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* radioGroup 单选框父组件
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* @description 单选框用于有一个选择,用户只能选择其中一个的场景。搭配u-radio使用
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* @tutorial https://uviewpro.cn/zh/components/radio.html
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* @property {Boolean} disabled 是否禁用所有radio(默认false)
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* @property {String|Number} size 组件整体的大小,单位rpx(默认40)
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* @property {String} active-color 选中时的颜色,应用到所有子Radio组件(默认主题色primary)
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* @property {String|Number} icon-size 图标大小,单位rpx(默认20)
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* @property {String} shape 外观形状,shape-方形,circle-圆形(默认circle)
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* @property {Boolean} label-disabled 是否禁止点击文本操作checkbox(默认false)
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* @property {String|Number} width 宽度,需带单位
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* @property {Boolean} wrap 是否每个radio都换行(默认false)
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* @event {Function} change 任一个radio状态发生变化时触发
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* @example <u-radio-group v-model="value"></u-radio-group>
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*/
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const props = defineProps(RadioGroupProps);
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const emit = defineEmits(['update:modelValue', 'change']);
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const { emitToParent } = useChildren('u-radio-group', 'u-form-item');
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useParent('u-radio-group');
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/**
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* 父组件数据,供子组件使用
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*/
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function getData() {
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return {
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iconSize: props.iconSize,
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labelDisabled: props.labelDisabled,
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disabled: props.disabled,
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shape: props.shape,
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activeColor: props.activeColor,
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size: props.size,
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width: props.width,
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wrap: props.wrap,
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value: props.modelValue
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};
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}
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/**
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* 设置选中值
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* @param val 选中的 radio 的 value 值
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*/
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function setValue(val: string | number) {
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// 通过emit事件,设置父组件通过v-model双向绑定的值
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emit('update:modelValue', val);
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emit('change', val);
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// 等待下一个周期再执行,因为emit作用于父组件,再反馈到子组件内部,需要时间
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// 由于头条小程序执行迟钝,故需要用几十毫秒的延时
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setTimeout(() => {
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// 将当前的值发送到 u-form-item 进行校验
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emitToParent('onFormChange', val);
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}, 60);
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}
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defineExpose({
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props,
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getData,
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setValue
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});
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</script>
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<style lang="scss" scoped>
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@import '../../libs/css/style.components.scss';
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.u-radio-group {
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/* #ifndef MP || APP-NVUE */
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display: inline-flex;
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flex-wrap: wrap;
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/* #endif */
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}
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</style>
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