add FileType

jdk/src/main/java/cn/reghao/jutil/jdk/io/FileType.java

@@ -0,0 +1,14 @@
+package cn.reghao.jutil.jdk.io;
+
+import cn.reghao.jutil.jdk.shell.Shell;
+
+/**
+ * @author reghao
+ * @date 2023-06-15 14:08:45
+ */
+public class FileType {
+    public static String getMediaType(String srcPath) {
+        String cmd = String.format("/bin/file -b --mime-type \"%s\"", srcPath);
+        return Shell.execWithResult(cmd);
+    }
+}