uniapp获取openid

// 在page中引入wx-login组件
import wxLogin from '@/components/wx-login'
export default {
  components: { wxLogin },
  data() {
    return {
      openid: ''
    }
  },
  methods: {
    // wxLogin组件登录成功后会触发该函数
    onWxLoginSuccess(userInfo) {
      // 调用uni.request发送请求获取用户openid
      uni.request({
        method: 'GET',
        url: 'https://api.weixin.qq.com/sns/jscode2session',
        data: {
          appid: '你的appid',
          secret: '你的app secret',
          js_code: userInfo.code,
          grant_type: 'authorization_code'
        },
        success: res => {
          this.openid = res.data.openid
        }
      })
    }
  }
}