217 lines
7.6 KiB
JavaScript
217 lines
7.6 KiB
JavaScript
import axios from 'axios'
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import { Notification, MessageBox, Message, Loading } 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 { tansParams, blobValidate } 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 { decryptWithSM4, encryptWithSM4, hashWithSM3AndSalt } from '@/utils/sm'
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const systemConfig = JSON.parse(localStorage.getItem('systemConfig')) || {
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requestConfig: { encryptRequest: false, checkIntegrity: false, encryptResponse: false }
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};
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let downloadLoadingInstance
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// 是否显示重新登录
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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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// axios中请求配置有baseURL选项，表示请求URL公共部分
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baseURL: process.env.VUE_APP_BASE_API,
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// 超时
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timeout: 10000
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})
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// request 拦截器
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service.interceptors.request.use(config => {
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// 提取 headers 和方法
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const headers = config.headers || {}
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const {
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isToken = true,
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encryptRequest = true,
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checkIntegrity = true,
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encryptResponse = true,
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repeatSubmit = false
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} = headers
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// 设置请求头
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//入参加密
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config.headers['encryptRequest'] = systemConfig.requestConfig.encryptRequest && encryptRequest ? 'true' : 'false'
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// 数据完整性校验
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config.headers['checkIntegrity'] = systemConfig.requestConfig.checkIntegrity && checkIntegrity ? 'true' : 'false'
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//回参是否加密
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config.headers['encryptResponse'] = systemConfig.requestConfig.encryptResponse && encryptResponse ? 'true' : 'false'
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const isRepeatSubmit = repeatSubmit
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// 处理 Token
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if (getToken() && isToken) {
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config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义 token
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}
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// get请求映射params参数
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if (config.method === 'get' && config.params) {
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let url = config.url + '?' + tansParams(config.params);
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url = url.slice(0, -1);
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config.params = {};
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config.url = url;
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}
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if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
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let data = typeof config.data === 'object' ? JSON.stringify(config.data) : config.data
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let contentType = config.headers['Content-Type']
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if (contentType.includes('application/json') && typeof data !== 'undefined') {
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// 加密数据
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if (systemConfig.requestConfig.encryptRequest && encryptRequest) {
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console.log(data);
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console.log(hashWithSM3AndSalt(data));
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config.data = encryptWithSM4(data+"|"+hashWithSM3AndSalt(data))
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}
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}
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// 检查请求数据大小
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const requestSize = JSON.stringify({ url: config.url, data: data, time: Date.now() }).length
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const limitSize = 1000 * 1024 * 1024 // 限制存放数据 5MB
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if (requestSize >= limitSize) {
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console.warn(`[${config.url}]: 请求数据大小超出允许的5MB限制，无法进行防重复提交验证。`)
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return config
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}
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// 防止重复提交
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const sessionObj = cache.session.getJSON('sessionObj') || {}
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const requestObj = { url: config.url, data: data, time: Date.now() }
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if (sessionObj.data === requestObj.data && requestObj.time - sessionObj.time < 0 && sessionObj.url === requestObj.url) {
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console.warn(`[${sessionObj.url}]: 数据正在处理，请勿重复提交`)
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return Promise.reject(new Error('数据正在处理，请勿重复提交'))
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}
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cache.session.setJSON('sessionObj', requestObj)
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}
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return config
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}, error => {
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console.error(error)
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return Promise.reject(error)
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})
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// 响应拦截器
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service.interceptors.response.use(res => {
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if (res.headers.encryptresponse && !res.data.hasOwnProperty('code')) {
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res.data = JSON.parse(decryptWithSM4(res.data))
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}
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// 未设置状态码则默认成功状态
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const code = res.data.code || 200
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// 获取错误信息
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const msg = errorCode[code] || res.data.msg || errorCode['default']
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// 二进制数据则直接返回
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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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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: 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) => {
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return tansParams(params)
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}],
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headers: { 'Content-Type': 'application/x-www-form-urlencoded', encryptResponse: false},
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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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// 通用导出方法
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export function derive(url, params, filename, config) {
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downloadLoadingInstance = Loading.service({ text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)", })
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return service.post(url, JSON.stringify(params), {
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headers: {
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'Content-Type': 'application/json; charset=UTF-8',
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'encryption': 'encryption'
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},
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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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