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// utils/request.js
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const { getAuthHeader, clearAuthData } = require('./token');
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const BASE_URL = 'http://localhost:3000'; // 替换为你的后端接口域名
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/**
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* 封装 wx.request
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* @param {Object} options - 请求配置
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* @param {string} options.url - 接口路径（不包含域名）
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* @param {string} [options.method='GET'] - 请求方法
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* @param {Object} [options.data] - 请求参数
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* @param {boolean} [options.showLoading=true] - 是否显示加载提示
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* @param {string} [options.loadingText='加载中...'] - 加载提示文字
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*/
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const request = (options) => {
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const {
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url,
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method = 'GET',
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data = {},
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showLoading = true,
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loadingText = '加载中...'
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} = options;
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return new Promise((resolve, reject) => {
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let loadingHide = () => {};
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// 显示 loading
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if (showLoading) {
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wx.showLoading({
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title: loadingText,
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mask: true
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});
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loadingHide = wx.hideLoading;
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}
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wx.request({
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url: BASE_URL + url,
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method,
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data,
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header: getAuthHeader(),
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success: (res) => {
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const { statusCode, data: responseData } = res;
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if (statusCode === 200) {
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// 假设后端返回格式：{ code: 200, data: {}, msg: 'success' }
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if (responseData.code === 200) {
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resolve(responseData.data);
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} else {
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// 特殊处理401未授权错误
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if (responseData.code === 401 || statusCode === 401) {
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// token可能已过期，清除本地认证信息
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clearAuthData();
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wx.showToast({
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title: '登录已过期，请重新登录',
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icon: 'none'
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});
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// 跳转到登录页
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setTimeout(() => {
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wx.redirectTo({
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url: '/pages/login/login'
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});
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}, 1500);
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reject(responseData);
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} else {
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// 其他业务错误（如参数错误等）
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wx.showToast({
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title: responseData.msg || '请求失败',
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icon: 'none'
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});
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reject(responseData);
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}
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}
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} else {
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// HTTP 状态码非 200
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if (statusCode === 401) {
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// token可能已过期，清除本地认证信息
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clearAuthData();
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wx.showToast({
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title: '登录已过期，请重新登录',
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icon: 'none'
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});
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// 跳转到登录页
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setTimeout(() => {
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wx.redirectTo({
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url: '/pages/login/login'
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});
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}, 1500);
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} else {
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// wx.showToast({
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// title: `请求错误 ${statusCode}`,
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// icon: 'none'
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// });
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}
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reject(res);
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}
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},
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fail: (err) => {
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wx.showToast({
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title: '网络异常，请稍后重试',
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icon: 'none'
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});
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reject(err);
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},
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complete: () => {
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// 隐藏 loading
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loadingHide();
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}
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});
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});
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};
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module.exports = {
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request,
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get: (url, data, options = {}) => request({ ...options, url, method: 'GET', data }),
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post: (url, data, options = {}) => request({ ...options, url, method: 'POST', data })
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}; |
