feat: 初始化项目结构并添加基础配置
添加前后端基础项目结构,包括.gitignore、package.json等配置文件 实现前端基础功能模块,包括路由、状态管理、API请求封装等 添加前端UI组件库和样式体系 配置开发环境Mock系统和构建工具链
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196
front-end/src/utils/request.ts
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196
front-end/src/utils/request.ts
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import qs from 'qs'
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import { addErrorLog, needErrorLog } from '@vab/plugins/errorLog'
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import { gp } from '@gp'
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import { useUserStore } from '@/store/modules/user'
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import {
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baseURL,
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contentType,
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debounce,
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messageName,
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requestTimeout,
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statusName,
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successCode,
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} from '@/config'
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import router from '@/router'
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import { isArray } from '@/utils/validate'
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import { refreshToken } from '@/api/refreshToken'
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let loadingInstance: any
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let refreshToking = false
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let requests: (() => void)[] = []
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// 操作正常Code数组
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const codeVerificationArray = isArray(successCode)
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? [...successCode]
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: [successCode]
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const CODE_MESSAGE: any = {
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200: '服务器成功返回请求数据',
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201: '新建或修改数据成功',
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202: '一个请求已经进入后台排队(异步任务)',
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204: '删除数据成功',
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400: '发出信息有误',
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401: '用户没有权限(令牌失效、用户名、密码错误、登录过期)',
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402: '令牌过期',
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403: '用户得到授权,但是访问是被禁止的',
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404: '访问资源不存在',
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406: '请求格式不可得',
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410: '请求资源被永久删除,且不会被看到',
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500: '服务器发生错误',
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502: '网关错误',
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503: '服务不可用,服务器暂时过载或维护',
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504: '网关超时',
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}
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/**
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* axios请求拦截器配置
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* @param config
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* @returns {any}
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*/
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const requestConf: any = (config: any) => {
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const userStore = useUserStore()
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const { token } = userStore
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// 不规范写法 可根据setting.config.js tokenName配置随意自定义headers
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// if (token) config.headers[tokenName] = token
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// 规范写法 不可随意自定义
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if (token) config.headers['Authorization'] = `Bearer ${token}`
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if (
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config.data &&
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config.headers['Content-Type'] ===
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'application/x-www-form-urlencoded;charset=UTF-8'
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)
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config.data = qs.stringify(config.data)
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if (debounce.some((item) => config.url.includes(item)))
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loadingInstance = gp.$baseLoading()
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return config
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}
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/**
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* 刷新刷新令牌
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* @param config 过期请求配置
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* @returns {any} 返回结果
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*/
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const tryRefreshToken = async (config: any) => {
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if (!refreshToking) {
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refreshToking = true
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try {
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const {
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data: { token },
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}: any = await refreshToken()
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if (token) {
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const { setToken } = useUserStore()
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setToken(token)
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// 已经刷新了token,将所有队列中的请求进行重试
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requests.forEach((cb: any) => cb(token))
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requests = []
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return instance(requestConf(config))
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}
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} catch (error) {
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console.error('refreshToken error =>', error)
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router.push({ path: '/login', replace: true }).then(() => {})
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} finally {
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refreshToking = false
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}
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} else {
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return new Promise((resolve) => {
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// 将resolve放进队列,用一个函数形式来保存,等token刷新后直接执行
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requests.push(() => {
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resolve(instance(requestConf(config)))
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})
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})
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}
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}
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/**
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* axios响应拦截器
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* @param config 请求配置
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* @param data response数据
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* @param status HTTP status
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* @param statusText HTTP status text
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* @returns {Promise<*|*>}
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*/
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const handleData = async ({ config, data, status, statusText }: any) => {
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const { resetAll } = useUserStore()
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if (loadingInstance) loadingInstance.close()
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// 若data.code存在,覆盖默认code
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let code = data && data[statusName] ? data[statusName] : status
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// 若code属于操作正常code,则status修改为200
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if (codeVerificationArray.indexOf(data[statusName]) + 1) code = 200
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switch (code) {
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case 200:
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// 业务层级错误处理,以下是假定restful有一套统一输出格式(指不管成功与否都有相应的数据格式)情况下进行处理
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// 例如响应内容:
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// 错误内容:{ code: 1, msg: '非法参数' }
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// 正确内容:{ code: 200, data: { }, msg: '操作正常' }
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// return data
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return data
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case 401:
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router.push({ path: '/login', replace: true }).then(() => {
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resetAll().then(() => {})
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})
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break
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case 402:
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return await tryRefreshToken(config)
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case 403:
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router.push({ path: '/403' }).then(() => {})
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break
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}
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// 异常处理
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// 若data.msg存在,覆盖默认提醒消息
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const errMsg = `${
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data && data[messageName]
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? data[messageName]
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: CODE_MESSAGE[code]
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? CODE_MESSAGE[code]
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: statusText
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}`
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// 是否显示高亮错误(与errorHandler钩子触发逻辑一致)
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gp.$baseMessage(errMsg, 'error', 'vab-hey-message-error', false)
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if (needErrorLog())
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addErrorLog({ message: errMsg, stack: data, isRequest: true })
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throw data
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}
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/**
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* @description axios初始化
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*/
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const instance = axios.create({
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baseURL,
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timeout: requestTimeout,
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headers: {
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'Content-Type': contentType,
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},
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})
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/**
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* @description axios请求拦截器
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*/
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instance.interceptors.request.use(requestConf, (error) => {
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return Promise.reject(error)
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})
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/**
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* @description axios响应拦截器
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*/
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instance.interceptors.response.use(
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(response) => handleData(response),
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(error) => {
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const { response } = error
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if (response === undefined) {
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if (loadingInstance) loadingInstance.close()
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gp.$baseMessage(
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'连接后台接口失败,可能由以下原因造成:后端不支持跨域CORS、接口地址不存在、请求超时等,请联系管理员排查后端接口问题 ',
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'error',
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'vab-hey-message-error',
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false
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)
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return {}
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} else return handleData(response)
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}
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)
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export default instance
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