提交初始版本，使用vant ui库

miniprogram_npm/@vant/weapp/radio/index.d.ts

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+export {};

miniprogram_npm/@vant/weapp/radio/index.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var version_1 = require("../common/version");
+var component_1 = require("../common/component");
+var relation_1 = require("../common/relation");
+(0, component_1.VantComponent)({
+    field: true,
+    relation: (0, relation_1.useParent)('radio-group', function () {
+        this.updateFromParent();
+    }),
+    classes: ['icon-class', 'label-class'],
+    props: {
+        name: null,
+        value: null,
+        disabled: Boolean,
+        useIconSlot: Boolean,
+        checkedColor: String,
+        labelPosition: {
+            type: String,
+            value: 'right',
+        },
+        labelDisabled: Boolean,
+        shape: {
+            type: String,
+            value: 'round',
+        },
+        iconSize: {
+            type: null,
+            value: 20,
+        },
+    },
+    data: {
+        direction: '',
+        parentDisabled: false,
+    },
+    methods: {
+        updateFromParent: function () {
+            if (!this.parent) {
+                return;
+            }
+            var _a = this.parent.data, value = _a.value, parentDisabled = _a.disabled, direction = _a.direction;
+            this.setData({
+                value: value,
+                direction: direction,
+                parentDisabled: parentDisabled,
+            });
+        },
+        emitChange: function (value) {
+            var instance = this.parent || this;
+            instance.$emit('input', value);
+            instance.$emit('change', value);
+            if ((0, version_1.canIUseModel)()) {
+                instance.setData({ value: value });
+            }
+        },
+        onChange: function () {
+            if (!this.data.disabled && !this.data.parentDisabled) {
+                this.emitChange(this.data.name);
+            }
+        },
+        onClickLabel: function () {
+            var _a = this.data, disabled = _a.disabled, parentDisabled = _a.parentDisabled, labelDisabled = _a.labelDisabled, name = _a.name;
+            if (!(disabled || parentDisabled) && !labelDisabled) {
+                this.emitChange(name);
+            }
+        },
+    },
+});

miniprogram_npm/@vant/weapp/radio/index.json

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+{
+  "component": true,
+  "usingComponents": {
+    "van-icon": "../icon/index"
+  }
+}

miniprogram_npm/@vant/weapp/radio/index.wxml

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+<wxs src="../wxs/utils.wxs" module="utils" />
+<wxs src="./index.wxs" module="computed" />
+
+<view class="{{ utils.bem('radio', [direction]) }} custom-class">
+  <view
+    wx:if="{{ labelPosition === 'left' }}"
+    class="{{ utils.bem('radio__label', [labelPosition, { disabled: disabled || parentDisabled }]) }} label-class"
+    bindtap="onClickLabel"
+  >
+    <slot />
+  </view>
+  <view class="van-radio__icon-wrap" style="font-size: {{ utils.addUnit(iconSize) }}" bindtap="onChange">
+    <slot wx:if="{{ useIconSlot }}" name="icon" />
+    <van-icon
+      wx:else
+      name="success"
+      class="{{ utils.bem('radio__icon', [shape, { disabled: disabled || parentDisabled, checked: value === name }]) }}"
+      style="{{ computed.iconStyle({ iconSize, checkedColor, disabled, parentDisabled, value, name }) }}"
+      custom-class="icon-class"
+      custom-style="{{ computed.iconCustomStyle({ iconSize }) }}"
+    />
+  </view>
+  <view
+    wx:if="{{ labelPosition === 'right' }}"
+    class="label-class {{ utils.bem('radio__label', [labelPosition, { disabled: disabled || parentDisabled }]) }}"
+    bindtap="onClickLabel"
+  >
+    <slot />
+  </view>
+</view>

miniprogram_npm/@vant/weapp/radio/index.wxs

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+/* eslint-disable */
+var style = require('../wxs/style.wxs');
+var addUnit = require('../wxs/add-unit.wxs');
+
+function iconStyle(data) {
+  var styles = {
+    'font-size': addUnit(data.iconSize),
+  };
+
+  if (
+    data.checkedColor &&
+    !(data.disabled || data.parentDisabled) &&
+    data.value === data.name
+  ) {
+    styles['border-color'] = data.checkedColor;
+    styles['background-color'] = data.checkedColor;
+  }
+
+  return style(styles);
+}
+
+function iconCustomStyle(data) {
+  return style({
+    'line-height': addUnit(data.iconSize),
+    'font-size': '.8em',
+    display: 'block',
+  });
+}
+
+module.exports = {
+  iconStyle: iconStyle,
+  iconCustomStyle: iconCustomStyle,
+};

miniprogram_npm/@vant/weapp/radio/index.wxss

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+@import '../common/index.wxss';.van-radio{align-items:center;display:flex;overflow:hidden;-webkit-user-select:none;user-select:none}.van-radio__icon-wrap{flex:none}.van-radio--horizontal{margin-right:var(--padding-sm,12px)}.van-radio__icon{align-items:center;border:1px solid var(--radio-border-color,#c8c9cc);box-sizing:border-box;color:transparent;display:flex;font-size:var(--radio-size,20px);height:1em;justify-content:center;text-align:center;transition-duration:var(--radio-transition-duration,.2s);transition-property:color,border-color,background-color;width:1em}.van-radio__icon--round{border-radius:100%}.van-radio__icon--checked{background-color:var(--radio-checked-icon-color,#1989fa);border-color:var(--radio-checked-icon-color,#1989fa);color:#fff}.van-radio__icon--disabled{background-color:var(--radio-disabled-background-color,#ebedf0);border-color:var(--radio-disabled-icon-color,#c8c9cc)}.van-radio__icon--disabled.van-radio__icon--checked{color:var(--radio-disabled-icon-color,#c8c9cc)}.van-radio__label{word-wrap:break-word;color:var(--radio-label-color,#323233);line-height:var(--radio-size,20px);padding-left:var(--radio-label-margin,10px)}.van-radio__label--left{float:left;margin:0 var(--radio-label-margin,10px) 0 0}.van-radio__label--disabled{color:var(--radio-disabled-label-color,#c8c9cc)}.van-radio__label:empty{margin:0}