uni-app写的微信小程序如何实现账号密码登录后获取token,并且每天的第一次登录后都会直接获取参数而不是耀重新登录(1)

发布于:2024-12-06 ⋅ 阅读:(110) ⋅ 点赞:(0)

uni-app写的微信小程序如何实现账号密码登录后获取token(而token的有效器一般是30分钟,当页面在操作时token是不会过去,,离开页面第二天登录时token就是过期状态,因为记住了账号密码就不会操作再次登录,但是这样会出现一个token过期的问题,会导致页面无法获取到参数,导致页面无法正确的拿到相关的内容),并且每天的第一次登录后都会直接获取参数而不是耀重新登录

在app.vue中

<script>
import { login, appgetInfo } from '@/src/api/api.js';
export default {
  data() {
    return {
      lastLeaveTime: null,
      threshold: 2 * 60 * 60 * 1000, // 2小时
    };
  },
  onLaunch: function() {
    console.log('App Launch');
    this.autoLogin();
  },
  onShow: function() {
    // 用户重新进入小程序时,检查是否需要自动登录
    const currentTime = new Date().getTime();
    if (this.lastLeaveTime && (currentTime - this.lastLeaveTime) > this.threshold) {
      this.autoLogin();
    }
  },
  onHide: function() {
    // 记录用户离开的时间
    this.lastLeaveTime = new Date().getTime();
  },
  methods: {
    autoLogin() {
      const username = uni.getStorageSync('userName');
      const password = uni.getStorageSync('userPassword');
      if (username && password) {
        this.login(username, password);
      }
    },
    async login(username, password) {
      try {
        const response = await login(username, password);
        if (response.token) {
          uni.setStorageSync('token', response.token);
          uni.switchTab({
            url: '/pages/mine/mine',
          });
        } else {
          throw new Error('用户名或密码不正确');
        }
      } catch (error) {
        console.error('自动登录失败:', error);
        uni.showModal({
          title: '自动登录失败',
          content: error.message || '用户名或密码不正确',
          showCancel: false,
        });
      }
    }
  }
}
</script>

在/pagesA/login/login.vue登录页

<template>
  <view class="login_a">
    <view class="login_w">
      <view class="login_s">
        <view>
          <view class="tit_q">欢迎使用旭普能源管理</view>
        </view>
        <view class="login_x">
          <uni-forms ref="form" :modelValue="formData">
            <uni-forms-item label="用户" name="name">
              <uni-easyinput type="text" v-model="formData.name" placeholder="请输入账号或手机号" />
            </uni-forms-item>
            <uni-forms-item label="密码" name="password">
              <uni-easyinput type="password" v-model="formData.password" placeholder="请输入密码" />
            </uni-forms-item>
            <button @click="submitForm" type="primary">登录</button>
            <uni-forms-item label="">
              <uni-data-checkbox v-model="formData.recall" multiple :localdata="formData.recalls" />
            </uni-forms-item>
          </uni-forms>
        </view>
      </view>
    </view>
  </view>
</template>

<script setup lang="ts">
import { reactive, onMounted, computed } from 'vue';
import { login } from '@/src/api/api.js';
const formData = reactive({
  name: '',
  password: '',
  recall: [],
  recalls: [
    { value: 0, text: '记住密码' },
  ],
});
const isRemember = computed(() => formData.recall.includes(0));
onMounted(() => {
  const savedName = uni.getStorageSync('userName');
  const savedPassword = uni.getStorageSync('userPassword');
  if (savedName) {
    formData.name = savedName;
  }
  if (savedPassword) {
    formData.password = savedPassword;
  }
});
const submitForm = async () => {
  if (!formData.name || !formData.password) {
    uni.showModal({
      title: '提示',
      content: '用户名和密码不能为空',
      showCancel: false,
    });
    return;
  }

  if (!isRemember.value) {
    uni.showModal({
      title: '提示',
      content: '请选择记住密码,避免忘记密码哦!',
      showCancel: false,
    });
    return;
  }
  try {
    const response = await login(formData.name, formData.password);
    if (response.token) {
      uni.setStorageSync('token', response.token);
      if (isRemember.value) {
        uni.setStorageSync('userName', formData.name);
        uni.setStorageSync('userPassword', formData.password);
      } else {
        uni.removeStorageSync('userName');
        uni.removeStorageSync('userPassword');
      }
      uni.switchTab({
        url: '/pages/mine/mine',
      });
    } else {
      throw new Error('用户名或密码不正确');
    }
  } catch (error) {
    uni.showModal({
      title: '登录失败',
      content: error.message || '用户名或密码不正确',
      showCancel: false,
    });
  }
};
</script>

在request.js


// 封装 wx.request
const service = (options) => {
  return new Promise((resolve, reject) => {
    uni.request({
      url: 'http://47.104.232.49:80/dev-api/' + options.url, // 替换成你的API地址
      method: options.method || 'GET',  // 请求方法,默认GET
      data: options.data || {},         // 请求的数据
      timeout: 10000,                   // 请求超时时间
      header: options.headers || {
        'Content-Type': 'application/json',
      },
      success: (res) => {
        if (res.statusCode === 200) {
          resolve(res.data); // 请求成功,返回数据
        } else {
          reject(new Error(res.data.msg || '请求失败,状态码:' + res.statusCode));
        }
      },
      fail: (error) => {
        reject(new Error(error.errMsg || '网络请求失败'));
      }
    });
  });
};
// 请求拦截器函数
const requestInterceptor = (options) => {
  const token = uni.getStorageSync('token'); // 使用 uni 的内置存储方法
  if (token) {
    options.headers = options.headers || {};
    options.headers.Authorization = `Bearer ${token}`;
  }
  return options;
};
// 响应拦截器函数
const responseInterceptor = (response) => {
  // 可以在此处处理响应结果,比如统一错误处理
  if (response.statusCode === 401) {
    uni.showModal({
      title: '登录过期',
      content: '您的登录已过期,请重新登录',
      showCancel: false,
      success: () => {
        uni.removeStorageSync('token');
        uni.removeStorageSync('userName');
        uni.removeStorageSync('userPassword');
        uni.reLaunch({
          url: '/pages/login/login'
        });
      }
    });
    throw new Error('登录过期');
  }
  return response;
};
// 最终封装的请求方法
const request = (options) => {
  const interceptedOptions = requestInterceptor(options);
  return service(interceptedOptions).then(responseInterceptor);
};
// 封装GET请求
export const get = (url, data, headers) => {
  return request({
    url: url,
    method: 'GET',
    data: data,
    headers: headers
  });
};
// 封装POST请求
export const post = (url, data, headers) => {
  return request({
    url: url,
    method: 'POST',
    data: data,
    headers: headers
  });
};

// 封装PUT请求
export const put = (url, data, headers) => {
  return request({
    url: url,
    method: 'PUT',
    data: data,
    headers: headers
  });
};
// 封装DELETE请求
export const del = (url, data, headers) => {
  return request({
    url: url,
    method: 'DELETE',
    data: data,
    headers: headers
  });
};
export default request;

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