perf: 完善上传组件

yudao-ui-admin-vue3/src/utils/index.ts

@@ -69,7 +69,7 @@ export const trim = (str: string) => {
  * @param {Date | number | string} time 需要转换的时间
  * @param {String} fmt 需要转换的格式 如 yyyy-MM-dd、yyyy-MM-dd HH:mm:ss
  */
-export function formatTime(time: Date | number | string, fmt: string) {
+export const formatTime = (time: Date | number | string, fmt: string) => {
   if (!time) return ''
   else {
     const date = new Date(time)
@@ -100,7 +100,7 @@ export function formatTime(time: Date | number | string, fmt: string) {
 /**
  * 生成随机字符串
  */
-export function toAnyString() {
+export const toAnyString = () => {
   const str: string = 'xxxxx-xxxxx-4xxxx-yxxxx-xxxxx'.replace(/[xy]/g, (c: string) => {
     const r: number = (Math.random() * 16) | 0
     const v: number = c === 'x' ? r : (r & 0x3) | 0x8
@@ -108,3 +108,34 @@ export function toAnyString() {
   })
   return str
 }
+
+export const generateUUID = () => {
+  if (typeof crypto === 'object') {
+    if (typeof crypto.randomUUID === 'function') {
+      return crypto.randomUUID()
+    }
+    if (typeof crypto.getRandomValues === 'function' && typeof Uint8Array === 'function') {
+      const callback = (c: any) => {
+        const num = Number(c)
+        return (num ^ (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (num / 4)))).toString(
+          16
+        )
+      }
+      return '10000000-1000-4000-8000-100000000000'.replace(/[018]/g, callback)
+    }
+  }
+  let timestamp = new Date().getTime()
+  let performanceNow =
+    (typeof performance !== 'undefined' && performance.now && performance.now() * 1000) || 0
+  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => {
+    let random = Math.random() * 16
+    if (timestamp > 0) {
+      random = (timestamp + random) % 16 | 0
+      timestamp = Math.floor(timestamp / 16)
+    } else {
+      random = (performanceNow + random) % 16 | 0
+      performanceNow = Math.floor(performanceNow / 16)
+    }
+    return (c === 'x' ? random : (random & 0x3) | 0x8).toString(16)
+  })
+}