后端重构

2026-01-08 19:28:58 +08:00
parent 8800c069d9
commit 9cb6b965e0
49 changed files with 4907 additions and 14 deletions
@@ -0,0 +1,19 @@
+package utils
+
+import (
+	"math/rand"
+	"time"
+)
+
+const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+
+var seededRand = rand.New(rand.NewSource(time.Now().UnixNano()))
+
+// RandomString 生成指定长度的随机字符串
+func RandomString(length int) string {
+	b := make([]byte, length)
+	for i := range b {
+		b[i] = charset[seededRand.Intn(len(charset))]
+	}
+	return string(b)
+}