vant

utils/dist/radio/index.d.ts

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+export {};

utils/dist/radio/index.js

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+import { VantComponent } from '../common/component';
+import { addUnit } from '../common/utils';
+VantComponent({
+    field: true,
+    relation: {
+        name: 'radio-group',
+        type: 'ancestor',
+        linked(target) {
+            this.parent = target;
+        },
+        unlinked() {
+            this.parent = null;
+        }
+    },
+    classes: ['icon-class', 'label-class'],
+    props: {
+        value: null,
+        disabled: Boolean,
+        useIconSlot: Boolean,
+        checkedColor: String,
+        labelPosition: {
+            type: String,
+            value: 'right'
+        },
+        labelDisabled: Boolean,
+        shape: {
+            type: String,
+            value: 'round'
+        },
+        iconSize: {
+            type: null,
+            observer: 'setIconSizeUnit'
+        }
+    },
+    data: {
+        iconSizeWithUnit: '20px'
+    },
+    methods: {
+        setIconSizeUnit(val) {
+            this.setData({
+                iconSizeWithUnit: addUnit(val)
+            });
+        },
+        emitChange(value) {
+            const instance = this.parent || this;
+            instance.$emit('input', value);
+            instance.$emit('change', value);
+        },
+        onChange(event) {
+            console.log(event);
+            this.emitChange(this.data.name);
+        },
+        onClickLabel() {
+            const { disabled, labelDisabled, name } = this.data;
+            if (!disabled && !labelDisabled) {
+                this.emitChange(name);
+            }
+        }
+    }
+});

utils/dist/radio/index.json

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

utils/dist/radio/index.wxml

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+<wxs src="../wxs/utils.wxs" module="utils" />
+
+<view class="van-radio custom-class">
+  <view
+    wx:if="{{ labelPosition === 'left' }}"
+    class="label-class {{ utils.bem('radio__label', [labelPosition, { disabled }]) }}"
+    bindtap="onClickLabel"
+  >
+    <slot />
+  </view>
+  <view class="van-radio__icon-wrap" style="font-size: {{ iconSizeWithUnit }};" bindtap="onChange">
+    <slot wx:if="{{ useIconSlot }}" name="icon" />
+    <van-icon
+      wx:else
+      name="success"
+      class="{{ utils.bem('radio__icon', [shape, { disabled, checked: value === name }]) }}"
+      style="{{ checkedColor && !disabled && value === name ? 'border-color:' + checkedColor + '; background-color:' + checkedColor + ';' : '' }}"
+      custom-class="icon-class"
+      custom-style="line-height: {{ iconSizeWithUnit }};font-size: .8em;display: block;"
+    />
+  </view>
+  <view
+    wx:if="{{ labelPosition === 'right' }}"
+    class="label-class {{ utils.bem('radio__label', [labelPosition, { disabled }]) }}"
+    bindtap="onClickLabel"
+  >
+    <slot />
+  </view>
+</view>

utils/dist/radio/index.wxss

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