前端和后端源码，合并到一个git仓库中，方便用户下载，避免前后端不匹配的问题

jeecgboot-vue3/src/utils/uuid.ts

@@ -0,0 +1,28 @@
+const hexList: string[] = [];
+for (let i = 0; i <= 15; i++) {
+  hexList[i] = i.toString(16);
+}
+
+export function buildUUID(): string {
+  let uuid = '';
+  for (let i = 1; i <= 36; i++) {
+    if (i === 9 || i === 14 || i === 19 || i === 24) {
+      uuid += '-';
+    } else if (i === 15) {
+      uuid += 4;
+    } else if (i === 20) {
+      uuid += hexList[(Math.random() * 4) | 8];
+    } else {
+      uuid += hexList[(Math.random() * 16) | 0];
+    }
+  }
+  return uuid.replace(/-/g, '');
+}
+
+let unique = 0;
+export function buildShortUUID(prefix = ''): string {
+  const time = Date.now();
+  const random = Math.floor(Math.random() * 1000000000);
+  unique++;
+  return prefix + '_' + random + unique + String(time);
+}