opt:1.修复引入EasyCaptchaBoot导致的web路径报错。2.添加后台管理系统车辆管理、二维码管理。

nl-common/src/main/java/org/nl/util/QRCodeUtil.java

@@ -10,7 +10,9 @@ import javax.imageio.ImageIO;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
-import java.text.DecimalFormat;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -75,4 +77,20 @@ public class QRCodeUtil {
             return null;
         }
     }
+
+    public static boolean deleteQRCode(String filePath,String fileName) {
+        try {
+            Path path = Paths.get(filePath).resolve(fileName).normalize();
+            boolean deleted = Files.deleteIfExists(path);
+            if (deleted) {
+                log.info("文件删除成功: {}", fileName);
+            } else {
+                log.warn("文件不存在: {}", fileName);
+            }
+            return true;
+        } catch (Exception e) {
+            log.info("删除二维码文件失败:{}", e.getMessage());
+            return false;
+        }
+    }
 }