Signed-off-by: chy <chy@163.com>

src/utils/index.js

@@ -0,0 +1,169 @@
+/**
+ * Created by jiachenpan on 16/11/18.
+ */
+
+export function parseTime (time, cFormat) {
+  if (arguments.length === 0) {
+    return null
+  }
+  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
+  let date
+  if (typeof time === 'object') {
+    date = time
+  } else {
+    if (('' + time).length === 10) time = parseInt(time) * 1000
+    date = new Date(time)
+  }
+  const formatObj = {
+    y: date.getFullYear(),
+    m: date.getMonth() + 1,
+    d: date.getDate(),
+    h: date.getHours(),
+    i: date.getMinutes(),
+    s: date.getSeconds(),
+    a: date.getDay()
+  }
+  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
+    let value = formatObj[key]
+    // Note: getDay() returns 0 on Sunday
+    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
+    if (result.length > 0 && value < 10) {
+      value = '0' + value
+    }
+    return value || 0
+  })
+  return time_str
+}
+
+export function formatTime (time, option) {
+  time = +time * 1000
+  const d = new Date(time)
+  const now = Date.now()
+
+  const diff = (now - d) / 1000
+
+  if (diff < 30) {
+    return '刚刚'
+  } else if (diff < 3600) {
+    // less 1 hour
+    return Math.ceil(diff / 60) + '分钟前'
+  } else if (diff < 3600 * 24) {
+    return Math.ceil(diff / 3600) + '小时前'
+  } else if (diff < 3600 * 24 * 2) {
+    return '1天前'
+  }
+  if (option) {
+    return parseTime(time, option)
+  } else {
+    return (
+      d.getMonth() +
+      1 +
+      '月' +
+      d.getDate() +
+      '日' +
+      d.getHours() +
+      '时' +
+      d.getMinutes() +
+      '分'
+    )
+  }
+}
+
+export function isExternal (path) {
+  return /^(https?:|mailto:|tel:)/.test(path)
+}
+
+export function deepClone (source) {
+  if (!source && typeof source !== 'object') {
+    throw new Error('error arguments', 'shallowClone')
+  }
+  const targetObj = source.constructor === Array ? [] : {}
+  Object.keys(source).forEach(keys => {
+    if (source[keys] && typeof source[keys] === 'object') {
+      targetObj[keys] = deepClone(source[keys])
+    } else {
+      targetObj[keys] = source[keys]
+    }
+  })
+  return targetObj
+}
+
+function padLeftZero (str) {
+  return ('00' + str).substr(str.length)
+}
+
+/**
+ *  生成uuid
+ */
+export function getUUID () {
+  let d = new Date().getTime()
+  if (window.performance && typeof window.performance.now === 'function') {
+    d += performance.now() // use high-precision timer if available
+  }
+  let uuid = 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
+    let r = (d + Math.random() * 16) % 16 | 0
+    d = Math.floor(d / 16)
+    return (c == 'x' ? r : (r & 0x3) | 0x8).toString(16)
+  })
+  return uuid
+}
+// crypto 加解密
+const CryptoJS = require('crypto-js') // 引用AES源码js
+
+const key = CryptoJS.enc.Utf8.parse('1234123412ABCDEF') // 十六位十六进制数作为密钥
+const iv = CryptoJS.enc.Utf8.parse('ABCDEF1234123412') // 十六位十六进制数作为密钥偏移量
+
+// 解密方法
+export function Decrypt (word) {
+  const encryptedHexStr = CryptoJS.enc.Hex.parse(word)
+  const srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr)
+  const decrypt = CryptoJS.AES.decrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 })
+  const decryptedStr = decrypt.toString(CryptoJS.enc.Utf8)
+  const inside = decryptedStr.toString()
+  const i = inside.substr(-32)
+  return inside.split(i)[0]
+}
+
+// 加密方法
+export function Encrypt (word) {
+  const srcs = CryptoJS.enc.Utf8.parse(word + getUUID())
+  const encrypted = CryptoJS.AES.encrypt(srcs, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 })
+  return encrypted.ciphertext.toString().toUpperCase()
+}
+
+/**
+ * 导出文件接口请求后的的公用方法
+ * res 请求后返回的response
+ * fileName 文件名
+ */
+export function downloadBlob (res, fileName) {
+  const blob = new Blob([res.data], {
+    type: 'application/vnd.ms-excel;charset=utf-8',
+  })
+  if (window.navigator && window.navigator.msSaveOrOpenBlob) {
+    // ie
+    navigator.msSaveBlob(blob, fileName || '文件' + '.xlsx')
+  } else {
+    const link = document.createElement('a')
+    // let blob = new Blob([res.data], {type: 'application/vnd.ms-excel'})
+    link.style.display = 'none'
+    link.href = URL.createObjectURL(blob)
+    fileName && (link.download = fileName + '.xlsx') // 下载的文件名
+    document.body.appendChild(link)
+    link.click()
+    document.body.removeChild(link)
+  }
+}
+
+// 下载文件
+export function downloadFile (obj, name, suffix) {
+  const url = window.URL.createObjectURL(new Blob([obj]))
+  const link = document.createElement('a')
+  link.style.display = 'none'
+  link.href = url
+  const fileName = parseTime(new Date()) + '-' + name + '.' + suffix
+  link.setAttribute('download', fileName)
+  document.body.appendChild(link)
+  link.click()
+  document.body.removeChild(link)
+}