135 lines
3.7 KiB
JavaScript
135 lines
3.7 KiB
JavaScript
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import { reactive } from 'vue'
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import JSRsaEncrypt from 'jsencrypt'
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import CryptoJS from 'crypto-js'
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export const EventBus = reactive({})
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EventBus.$emit = (event, data) => {
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if (EventBus[event]) {
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EventBus[event].forEach(callback => callback(data))
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}
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}
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EventBus.$on = (event, callback) => {
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if (!EventBus[event]) {
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EventBus[event] = []
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}
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EventBus[event].push(callback)
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}
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export const randomStr = (e) =>{
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e = e || 16
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let str = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678',
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a = str.length,
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res = ''
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for (let i = 0; i < e; i++) res += str.charAt(Math.floor(Math.random() * a))
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return res
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}
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// rsa公钥加密
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export const RSAEncrypt = (text) => {
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const publicKey = localStorage.getItem('publicKey')
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if (!publicKey) return -1 // 公钥不存在
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const RSAPubEncrypt = new JSRsaEncrypt() // 生成实例
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RSAPubEncrypt.setPublicKey(publicKey) // 配置公钥(不是将公钥实例化时传入!!!)
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const ciphertext = RSAPubEncrypt.encrypt(text) // 加密
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// console.log('rsa公钥加密：', ciphertext)
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return ciphertext
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}
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// aes加密
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export const AESEncrypt = (text, secretKey) => {
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let ciphertext = CryptoJS.AES.encrypt(text, secretKey).toString()
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return ciphertext
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}
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// aes解密
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export const AESDecrypt = (ciphertext, secretKey) => {
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let bytes = CryptoJS.AES.decrypt(ciphertext, secretKey)
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let originalText = bytes.toString(CryptoJS.enc.Utf8)
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return originalText
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}
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export const sortString = (arr = []) => {
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return arr.sort((a, b) => {
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let c1 = ''
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let c2 = ''
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let temp = a.length > b.length ? b : a
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for (let i = 0; i < temp.length; i++) {
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c1 = a[i].toLowerCase()
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c2 = b[i].toLowerCase()
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if (c1 !== c2) break
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}
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return c1.charCodeAt() - c2.charCodeAt()
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})
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}
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export const dirType = ['d', 'l',] // 文件夹或者链接文件夹
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export const fileType = ['-',] // 文本文件或者二进制文件
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export const isDir = (type) => dirType.includes(type)
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export const isFile = (type) => fileType.includes(type)
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export const sortDirTree = (tree = []) => {
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const dirsAndlinks = tree.filter(item => isDir(item.type))
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const others = tree.filter(item => !(isDir(item.type)))
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const sort = (arr = []) => {
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return arr.sort((a, b) => {
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const { name: aName } = a
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const { name: bName } = b
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let c1 = ''
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let c2 = ''
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let temp = aName.length > bName.length ? bName : aName
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for (let i = 0; i < temp.length; i++) {
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c1 = aName[i].toLowerCase()
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c2 = bName[i].toLowerCase()
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if (c1 !== c2) break
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}
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return c1.charCodeAt() - c2.charCodeAt()
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})
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}
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sort(dirsAndlinks)
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sort(others)
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return [].concat(dirsAndlinks, others)
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}
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export const downloadFile = ({ buffer, name }) => {
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let contentUrl = window.URL.createObjectURL(new Blob([buffer,])) // params：object 可选: File对象、Blob对象、MediaSource对象。
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let link = document.createElement('a')
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link.style.display = 'none'
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link.href = contentUrl
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console.log(name)
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link.setAttribute('download', name) // 文件名称
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document.body.appendChild(link)
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link.click()
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setTimeout(() => {
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document.body.removeChild(link)
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window.URL.revokeObjectURL(contentUrl)
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})
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}
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export const getSuffix = (name = '') => {
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return String(name).split(/\./).pop()
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}
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export const exportFile = (data, filename, mimeType = 'application/json') =>{
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const blob = new Blob([JSON.stringify(data),], { type: mimeType })
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const url = window.URL.createObjectURL(blob)
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const link = document.createElement('a')
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link.href = url
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link.setAttribute('download', filename)
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document.body.appendChild(link)
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link.click()
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document.body.removeChild(link)
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window.URL.revokeObjectURL(url)
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}
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export const isHttps = () => {
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return window.location.protocol === 'https:'
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}
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