编码自动化

2025-09-16 09:49:16 +08:00
parent e41be712d3
commit 48bd9c516d
2 changed files with 79 additions and 0 deletions
@@ -48,11 +48,47 @@ class VehColorService
        );
    }

+    /**
+     * 生成唯一的7位颜色编码
+     * 格式：C + (O/I) + 5位字母数字组合
+     * 
+     * @param int $type 类型：2=I，其他=O
+     * @return string 7位唯一编码
+     */
+    public function generateUniqueColorCode($type)
+    {
+        $secondChar = $type ==2 ? 'I' : 'O';
+        $chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+        $maxAttempts = 10; // 防止无限循环
+        
+        for ($attempt = 0; $attempt < $maxAttempts; $attempt++) {
+            // 生成后5位随机字符
+            $suffix = '';
+            for ($i = 0; $i < 5; $i++) {
+                $suffix .= $chars[rand(0, strlen($chars) - 1)];
+            }
+            
+            $colorCode = 'C' . $secondChar . $suffix;
+            
+            // 检查是否已存在
+            $existing = VehColor::where('color_code', $colorCode)->first();
+            if (!$existing) {
+                return $colorCode;
+            }
+        }
+        
+        // 如果1000次尝试后仍然重复，使用时间戳确保唯一性
+        $timestamp = substr(time(), -5);
+        return 'C' . $secondChar . $timestamp;
+    }
+
    /**
     * 添加前置处理
     */
    public function beforeServiceStore($data, Request $request)
    {
+        $type = $data['type'] ?? 0;
+        $data['color_code'] = $this->generateUniqueColorCode($type);
        $data['created_by'] = $request->user->uid;
        $data['updated_by'] = $request->user->uid;
        return $data;