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uni_modules/wot-design-uni/components/wd-radio-group/index.scss

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+@import "./../common/abstracts/_mixin.scss";
+@import "./../common/abstracts/variable.scss";
+
+.wot-theme-dark {
+  @include b(radio-group) {
+    background-color: $-dark-background2;
+  }
+}
+
+@include b(radio-group) {
+  background-color: $-radio-bg;
+  font-size: 0;
+
+  // 上下20px 左右15px 内部间隔12px
+  @include when(button) {
+    width: 100%;
+    height: 100%;
+    padding: 8px 3px 20px 15px;
+    box-sizing: border-box;
+    overflow: hidden;
+    height: auto;
+  }
+}

uni_modules/wot-design-uni/components/wd-radio-group/types.ts

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+import { type InjectionKey } from 'vue'
+import type { RadioShape, RadioIconPlacement } from '../wd-radio/types'
+import { baseProps, makeBooleanProp, makeStringProp } from '../common/props'
+
+export type RadioGroupProvide = {
+  props: {
+    modelValue?: string | number | boolean
+    shape?: RadioShape
+    checkedColor?: string
+    disabled?: boolean
+    cell?: boolean
+    size?: string
+    inline?: boolean
+    iconPlacement?: RadioIconPlacement
+  }
+  updateValue: (value: string | number | boolean) => void
+}
+
+export const RADIO_GROUP_KEY: InjectionKey<RadioGroupProvide> = Symbol('wd-radio-group')
+
+export const radioGroupProps = {
+  ...baseProps,
+  /** 会自动选中value对应的单选框 */
+  modelValue: [String, Number, Boolean],
+  /** 单选框形状，可选值为 dot / button / check，默认为 check */
+  shape: makeStringProp<RadioShape>('check'),
+  /** 选中的颜色，默认为 #4D80F0 */
+  checkedColor: String,
+  /** 是否禁用，默认为 false */
+  disabled: makeBooleanProp(false),
+  /** 表单模式，默认为 false */
+  cell: makeBooleanProp(false),
+  /** 设置大小，默认为空 */
+  size: makeStringProp(''),
+  /** 同行展示，默认为 false */
+  inline: makeBooleanProp(false),
+  /** 图标位置，默认为 left */
+  iconPlacement: makeStringProp<RadioIconPlacement>('auto')
+}

uni_modules/wot-design-uni/components/wd-radio-group/wd-radio-group.vue

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+<template>
+  <view :class="`wd-radio-group  ${customClass} ${cell && shape === 'button' ? 'is-button' : ''}`" :style="customStyle">
+    <slot />
+  </view>
+</template>
+<script lang="ts">
+export default {
+  name: 'wd-radio-group',
+  options: {
+    virtualHost: true,
+    addGlobalClass: true,
+    styleIsolation: 'shared'
+  }
+}
+</script>
+
+<script lang="ts" setup>
+import { watch } from 'vue'
+import { useChildren } from '../composables/useChildren'
+import { RADIO_GROUP_KEY, radioGroupProps } from './types'
+
+const props = defineProps(radioGroupProps)
+const emit = defineEmits(['change', 'update:modelValue'])
+
+const { linkChildren, children } = useChildren(RADIO_GROUP_KEY)
+
+linkChildren({ props, updateValue })
+
+watch(
+  () => props.shape,
+  (newValue) => {
+    // type: 'dot', 'button', 'check'
+    const type = ['check', 'dot', 'button']
+    if (type.indexOf(newValue) === -1) console.error(`shape must be one of ${type.toString()}`)
+  },
+  { deep: true, immediate: true }
+)
+
+/**
+ * @description 处理radio子节点通知
+ */
+function updateValue(value: string | number | boolean) {
+  emit('update:modelValue', value)
+  emit('change', {
+    value
+  })
+}
+</script>
+<style lang="scss" scoped>
+@import './index.scss';
+</style>