优化代码

4dkankan-common-utils/src/main/java/com/fdkankan/common/util/FileUtils.java

@@ -14,6 +14,7 @@ import org.bytedeco.javacv.Frame;
 import org.bytedeco.javacv.Java2DFrameConverter;
 import org.bytedeco.javacv.OpenCVFrameConverter;
 import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.util.ResourceUtils;
 import sun.misc.BASE64Decoder;
 
@@ -25,16 +26,14 @@ import java.net.URLDecoder;
 import java.nio.ByteBuffer;
 import java.nio.MappedByteBuffer;
 import java.nio.channels.FileChannel;
-import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.*;
 import java.util.stream.Collectors;
-import java.util.zip.ZipException;
 
 public class FileUtils {
 
-    private static Logger log = null;
+    private static Logger log = LoggerFactory.getLogger(FileUtils.class);
 
     public static byte[] getImageByte(String base64Data){
         byte[] bt = null;