train-student/src/views/login.vue

<template>
  <div id="login">
    <van-button type="primary" @click="toIndex" v-if="is_dev">去首页(开发用)</van-button>
  </div>
</template>

<script>
const jwt = require('jsonwebtoken');

export default {
  metaInfo: { title: '正在登陆...' },
  name: 'login',
  props: {},
  components: {},
  data: () => ({
    is_dev: process.env.NODE_ENV === 'development',
  }),
  created() {
    this.$toast.loading({
      message: '登陆中...',
      duration: 0,
    });
    let token = this.$route.query.token;
    let user = jwt.decode(token);
    localStorage.setItem('user', JSON.stringify(user));
    this.$toast.clear();
    if (this.redirect_uri) this.$router.push(this.redirect_uri);
    else if (!this.is_dev) this.toIndex();
  },
  computed: {
    redirect_uri() {
      return this.$route.query.redirect_uri;
    },
  },
  methods: {
    toIndex() {
      this.$router.push({ path: '/' });
    },
  },
};
</script>

<style lang="less" scoped></style>