wxapp/pages/index/index.vue

<template>
  <view class="content" style="height:100vh">
    <u-loading-icon mode="circle" size="64" :vertical="true" color="#2b85e4" textColor="#2b85e4"
      text="正在登录"></u-loading-icon>
  </view>
</template>

<script setup>
import {
  getCurrentInstance,
  reactive,
  computed
} from 'vue'
const api = getCurrentInstance()?.appContext.config.globalProperties.$api;
const configSign = getCurrentInstance()?.appContext.config.globalProperties.$configSign;
const openid = computed(() => {
  return uni.getStorageSync('openid');
})
const login = async (js_code) => {
  const result = await api('https://broadcast.waityou24.cn/wechat/api/login/app', 'GET', {
    js_code,
    config: configSign
  });
  if (result.errcode === 0) return result.data.openid;
  else {
    uni.showToast({
      title: '登录失败请重进',
      icon: 'fail',
    });
    return false;
  }
};
const initUser = async () => {
  uni.login({
    success: async function (result) {
      if (!result.code) {
        uni.showToast({
          title: '登录失败请重进',
          icon: 'fail',
        });
        return false;
      }
      let openid = uni.getStorageSync('openid');
      if (!openid) {
        const res = await login(result.code)
        if (res) {
          uni.setStorageSync('openid', res);
          openid = res;
        }
      }
      if (openid) {
        const result = await api('/user', 'POST', {
          openid
        });
        if (result.errcode != 0) {
          console.log(result)
          uni.showToast({
            title: result.errmsg || '',
            icon: 'error',
          });
          return false;
        }
        uni.redirectTo({
          url: '/pages/list/index'
        })
      }

    }
  })
};
initUser();
</script>

<style>
.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.logo {
  height: 200rpx;
  width: 200rpx;
  margin-top: 200rpx;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 50rpx;
}

.text-area {
  display: flex;
  justify-content: center;
}

.title {
  font-size: 36rpx;
  color: #8f8f94;
}
</style>