GAL-224 DoS检测支持知识库动态加载

src/main/java/com/zdjizhi/utils/FileByteUtils.java

@@ -0,0 +1,24 @@
+package com.zdjizhi.utils;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+public class FileByteUtils {
+
+    public static byte[] getFileBytes (String filePath) throws IOException {
+        File file = new File(filePath);
+        FileInputStream fis = new FileInputStream(file);
+        ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
+        byte[] b = new byte[1024];
+        int n;
+        while ((n = fis.read(b)) != -1) {
+            bos.write(b, 0, n);
+        }
+        fis.close();
+        byte[] data = bos.toByteArray();
+        bos.close();
+        return data;
+    }
+}