168 lines
4.6 KiB
JavaScript
168 lines
4.6 KiB
JavaScript
import { useUserStore } from '@/store'
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// TODO: 替换为实际的 API 地址
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export const baseUrl = 'https://lygcgs.com.cn:8078/shjapi/api/'
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// ===== 防止重复请求 =====
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const pendingRequests = new Map()
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/**
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* 生成请求唯一标识
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*/
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function getRequestKey(config) {
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const { url = '', method = 'GET', data = {} } = config
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const paramStr = JSON.stringify(data)
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return `${method}:${url}:${paramStr}`
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}
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/**
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* 检查是否为重复请求
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*/
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function checkDuplicate(config) {
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const key = getRequestKey(config)
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if (pendingRequests.has(key)) {
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const meta = config.meta || {}
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if (meta.toast !== false) {
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uni.showToast({ title: '请求过于频繁，请稍后再试', icon: 'none' })
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}
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return new Error('duplicate request')
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}
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pendingRequests.set(key, true)
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return null
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}
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/**
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* 移除请求标识
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*/
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function removePending(config) {
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const key = getRequestKey(config)
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pendingRequests.delete(key)
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}
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// ========================
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// uview-pro 全局请求配置
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export const httpRequestConfig = {
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baseUrl,
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header: {
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'content-type': 'application/json'
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},
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meta: {
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originalData: true,
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toast: true,
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loading: true
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}
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}
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// 全局请求/响应拦截器
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export const httpInterceptor = {
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request: (config) => {
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// 检查重复请求
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const dupError = checkDuplicate(config)
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if (dupError) throw dupError
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const meta = config.meta || {}
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if (meta.loading) {
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uni.showLoading({ title: '加载中...', mask: true })
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}
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const userStore = useUserStore()
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if (userStore.token) {
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config.header.token = userStore.token
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}
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return config
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},
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response: (response) => {
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const meta = response.config?.meta || {}
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if (meta.loading) {
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uni.hideLoading()
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}
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// 请求完成，移除标识
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removePending(response.config)
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// 根据业务处理错误、例如登录失效等处理接口返回错误码
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if (response.data.code !== 1) {
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if (meta.toast) {
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uni.showToast({
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title: response.data.message || '请求失败',
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icon: 'none'
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})
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}
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// 401 登录失效，跳转登录页
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if (response.data.code === 401) {
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const userStore = useUserStore()
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userStore.logout()
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uni.reLaunch({ url: '/pages/login/index' })
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}
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throw new Error(response.data.message || '请求失败')
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}
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uni.showToast({
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title: response.data.message || '请求成功',
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icon: 'none'
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})
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return response.data
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}
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}
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/**
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* 便捷请求方法（基于 uni.request 封装）
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* 也可用 uni.$http.get / uni.$http.post（uview-pro）
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*/
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export function request(options) {
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return new Promise((resolve, reject) => {
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// 运行请求拦截器
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const config = { ...httpRequestConfig, ...options }
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const finalConfig = httpInterceptor.request({
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...config,
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header: { ...httpRequestConfig.header, ...options.header }
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})
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uni.request({
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...finalConfig,
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url: `${finalConfig.baseUrl}${finalConfig.url}`,
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success: (res) => {
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try {
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const data = httpInterceptor.response({ data: res.data, config: finalConfig })
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resolve(data)
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} catch (err) {
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reject(err)
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}
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},
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fail: (err) => {
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removePending(finalConfig) // 网络失败也要清理标识
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uni.hideLoading()
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uni.showToast({ title: '网络连接失败', icon: 'none' })
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reject(err)
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}
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})
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})
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}
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// GET 快捷方法
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export const get = (url, params = {}) => {
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return request({ url, method: 'GET', data: params })
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}
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// POST 快捷方法
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export const post = (url, data = {}) => {
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return request({ url, method: 'POST', data })
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}
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export const getUrlParam = (url, name) => {
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if (!url || !name) return null;
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// 构造正则：匹配 ?name= 或 &name= 后面的值
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// [?&] : 匹配起始分隔符
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// ${name}: 匹配具体的参数名
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// = : 匹配等号
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// ([^&]*) : 捕获组，匹配直到下一个 & 或字符串结束的内容
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const regex = new RegExp(`[?&]${name}=([^&]*)`, 'i'); // 'i' 表示忽略大小写
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const match = url.match(regex);
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if (match && match[1]) {
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return decodeURIComponent(match[1]);
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}
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return null;
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}; |