微信小程序授权登录

                uni.login({
          success: (res) => {
            console.log({
              code: res.code
            });
          }
        })

<view>
    <view class="asdf">
      <button open-type="chooseAvatar" @chooseavatar="chooseAvatar">
        <image :src="image" class="imageAsdf" />
      </button>
    </view>
      <view class="name">
        <view class="name_text">
          昵称
        </view>
        <view>
          <input v-model="name" class="weui-input" placeholder="请输入昵称" />
        </view>
      </view>
      <view class="enter">
        <button @click="formSubmit">登录</button>
      </view>
  </view>

export default {
    data() {
      return {
        image: '',
        openid: '',
        status: 1,
        name:''
      }
    },
    methods: {
      //用户头像
      chooseAvatar(e) {
        console.log(e.detail.avatarUrl);
        let headimg = e.detail.avatarUrl
        // 存储用户头像
        uni.setStorageSync('headimg', headimg)
        this.image = e.detail.avatarUrl
        uni.login({
          success: (res) => {
            console.log({
              code: res.code
            });
            console.log(res.code);
            uni.request({
              url: '',
              data: {
                code: res.code,
              },
              success: (val) => {
                console.log(val.data.openid);
                // console.log(val.data.openid);
                uni.setStorageSync('openid', val.data.openid)
              }
            })
          },
        })
      },
      //用户名
      formSubmit() {
        let that = this;
        let nickname = that.name
        console.log(that.name);
        if (nickname == "" || uni.getStorageSync('headimg') == "") {
          uni.showToast({
            title: '请输入完整信息',
            icon: "none"
          })
        } else {
          // 存储用户名称
          uni.setStorageSync('nickname', nickname)
          uni.request({
            url: '', //仅为示例，并非真实的接口地址
            data: {
              openid: uni.getStorageSync('openid'), //唯一凭证
              NickName: nickname, //昵称
              HeadUrl: uni.getStorageSync('headimg'), //头像
              sex: that.status
            },
            success(res) {
              if (res.data.status == 2) {
                console.log(res.data)
                uni.setStorageSync('userid', res.data.userid)
                uni.showToast({
                  title: '登录成功',
                  icon: 'success',
                  duration: 2000
                })
                uni.switchTab({
                  url: '/pages/index/index',
                  success: (res) => {},
                  fail: (res) => {},
                  complete: (res) => {},
                })
              } else {
                uni.showToast({
                  title: '请重新登录',
                  icon: 'error',
                  duration: 2000
                })
              }
            }
          })
        }
      }
    }
  }