216 lines
7.3 KiB
JavaScript
216 lines
7.3 KiB
JavaScript
import axios from 'axios'
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import { Loading, Message, MessageBox, Notification } from 'element-ui'
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import store from '@/store'
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import { getToken } from '@/utils/auth'
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import errorCode from '@/utils/errorCode'
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import { blobValidate, tansParams } from '@/utils/bonus'
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import cache from '@/plugins/cache'
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import { saveAs } from 'file-saver'
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import { decryptCBC, encryptCBC } from '@/utils/aescbc'
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import { hashWithSM3AndSalt } from '@/utils/sm' // 导入SM3哈希函数
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let downloadLoadingInstance
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export let isRelogin = { show: false }
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axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
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// 创建axios实例
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const service = axios.create({
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baseURL: process.env.VUE_APP_BASE_API,
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timeout: 10000
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})
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// 请求拦截器
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service.interceptors.request.use(
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(config) => {
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const isToken = (config.headers || {}).isToken === false
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const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
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// 如果需要token且存在token，则设置Authorization头
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if (getToken() && !isToken) {
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config.headers['Authorization'] = 'Bearer ' + getToken()
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}
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// 处理GET请求参数并加密
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if (config.params) {
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let param = tansParams(config.params)
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if (param) {
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param = param.slice(0, -1)
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param = encryptCBC(param)
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config.headers['Params-Hash'] = hashWithSM3AndSalt(param)
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}
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config.url = `${config.url}?${param}`
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config.params = {}
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}
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// 防止重复提交
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if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
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const requestObj = {
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url: config.url,
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data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
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time: new Date().getTime()
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}
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const requestSize = Object.keys(JSON.stringify(requestObj)).length
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const limitSize = 5 * 1024 * 1024 // 限制请求数据大小为5M
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if (requestSize >= limitSize) {
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console.warn(`[${config.url}]: 请求数据大小超出允许的5M限制，无法进行防重复提交验证。`)
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return config
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}
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const sessionObj = cache.session.getJSON('sessionObj')
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if (!sessionObj) {
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cache.session.setJSON('sessionObj', requestObj)
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} else {
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const { url, data, time } = sessionObj
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const interval = 0 // 间隔时间(ms)，小于此时间视为重复提交
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if (data === requestObj.data && requestObj.time - time < interval && url === requestObj.url) {
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const message = '数据正在处理，请勿重复提交'
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console.warn(`[${url}]: ${message}`)
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return Promise.reject(new Error(message))
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} else {
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cache.session.setJSON('sessionObj', requestObj)
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}
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}
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}
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// 如果Content-Type为application/json且数据为对象，则加密数据
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if (config.headers['Content-Type'] === 'application/json;charset=utf-8' && typeof config.data === 'object') {
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config.data = encryptCBC(JSON.stringify(config.data))
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config.headers['Content-Type'] = 'application/json'
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console.log(config.data)
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config.headers['Params-Hash'] = hashWithSM3AndSalt(config.data) // 添加数据哈希到请求头
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}
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// 对下载请求进行数据参数拦截加密
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if (config.headers['Content-Type'] === 'application/x-www-form-urlencoded') {
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if (typeof config.data === 'object') {
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let formData = tansParams(config.data)
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if (formData) {
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formData = formData.slice(0, -1)
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const encryptedData = encryptCBC(formData)
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config.data = { formData: encryptedData }
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config.headers['Params-Hash'] = hashWithSM3AndSalt(config.data) // 添加参数哈希到请求头
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}
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} else {
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const encryptedData = encryptCBC(JSON.stringify(config.data))
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config.data = `formData=${encryptedData}`
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config.headers['Params-Hash'] = hashWithSM3AndSalt(config.data) // 添加参数哈希到请求头
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}
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}
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// 如果Content-Type为空，则设置为application/json
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if (!config.headers['Content-Type']) {
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config.headers['Content-Type'] = 'application/json'
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console.warn('请求类型为空')
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}
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return config
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},
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(error) => {
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console.log(error)
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return Promise.reject(error)
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}
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)
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// 响应拦截器
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service.interceptors.response.use(
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(res) => {
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// 自动解密响应数据
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if (res.data.decrypt) {
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res.data = JSON.parse(decryptCBC(res.data.data))
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} else if (typeof res.data.code === 'undefined') {
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res.data = res.data.data
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}
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// 获取状态码
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const code = res.data.code || 200
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const msg = errorCode[code] || res.data.msg || errorCode['default']
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// 处理二进制数据直接返回
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if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
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return res.data
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}
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if (code === 401) {
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if (!isRelogin.show) {
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isRelogin.show = true
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MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
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confirmButtonText: '重新登录',
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cancelButtonText: '取消',
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type: 'warning'
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}).then(() => {
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isRelogin.show = false
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store.dispatch('LogOut').then(() => {
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location.href = '/index'
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})
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}).catch(() => {
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isRelogin.show = false
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})
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}
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return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
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} else if (code === 500) {
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Message({ message: msg, type: 'error' })
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return Promise.reject(new Error(msg))
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} else if (code === 601) {
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Message({ message: msg, type: 'warning' })
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return Promise.reject('error')
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} else if (code !== 200) {
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Notification.error({ title: msg })
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return Promise.reject('error')
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} else {
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return res.data
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}
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},
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(error) => {
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console.log('err' + error)
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let { message } = error
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if (message === 'Network Error') {
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message = '后端接口连接异常'
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} else if (message.includes('timeout')) {
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message = '系统接口请求超时'
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} else if (message.includes('Request failed with status code')) {
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message = `系统接口${message.substr(message.length - 3)}异常`
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}
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Message({ message, type: 'error', duration: 5 * 1000 })
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return Promise.reject(error)
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}
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)
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// 通用下载方法
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export function download(url, params, filename, config) {
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downloadLoadingInstance = Loading.service({
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text: '正在下载数据，请稍候',
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spinner: 'el-icon-loading',
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background: 'rgba(0, 0, 0, 0.7)'
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})
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return service.post(url, params, {
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transformRequest: [(params) => tansParams(params)],
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headers: { 'Content-Type': 'application/x-www-form-urlencoded', encryption: 'encryption' },
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responseType: 'blob',
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...config
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}).then(async(data) => {
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const isBlob = blobValidate(data)
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if (isBlob) {
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const blob = new Blob([data])
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saveAs(blob, filename)
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} else {
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const resText = await data.text()
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const rspObj = JSON.parse(resText)
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const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
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Message.error(errMsg)
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}
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downloadLoadingInstance.close()
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}).catch((r) => {
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console.error(r)
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Message.error('下载文件出现错误，请联系管理员！')
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downloadLoadingInstance.close()
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})
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}
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export default service
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