vant-weapp/packages/radio/demo/index.ts

import { VantComponent } from '../../common/component';

VantComponent({
  data: {
    radio1: '1',
    radio2: '2',
    radio3: '1',
    radio4: '1',
    radio5: '1',
    radioSize: '1',
    radioLabel: '1',
    radioShape: '1',
    icon: {
      normal:
        'https://img.yzcdn.cn/public_files/2017/10/13/c547715be149dd3faa817e4a948b40c4.png',
      active:
        'https://img.yzcdn.cn/public_files/2017/10/13/793c77793db8641c4c325b7f25bf130d.png',
    },
  },

  methods: {
    onChange(event) {
      const { key } = event.currentTarget.dataset;
      this.setData({ [key]: event.detail });
    },

    onClick(event) {
      const { name } = event.currentTarget.dataset;
      this.setData({
        radio5: name,
      });
    },
  },
});