压缩历史至 95081aff

internal/util/uuid.go

@@ -0,0 +1,38 @@
+/*
+Copyright 2025 linux.do
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package util
+
+import (
+	"crypto/rand"
+	"crypto/sha256"
+	"encoding/hex"
+	"io"
+
+	"github.com/google/uuid"
+)
+
+// GenerateUniqueIDSimple 生成 64 位唯一标识符
+func GenerateUniqueIDSimple() string {
+	randomBytes := make([]byte, 32)
+	if _, err := io.ReadFull(rand.Reader, randomBytes); err != nil {
+		// 如果随机数生成失败，使用 UUID 作为后备
+		uuidBytes := []byte(uuid.NewString())
+		hash := sha256.Sum256(uuidBytes)
+		copy(randomBytes, hash[:])
+	}
+	return hex.EncodeToString(randomBytes)
+}