变更

testGeneratefile.py

@@ -0,0 +1,33 @@
+import os
+import random
+
+# 输出目录
+output_dir = "./output_files"
+os.makedirs(output_dir, exist_ok=True)
+
+# 配置
+file_count = 40
+min_size_mb = 70
+max_size_mb = 80
+chunk_size = 1024 * 1024  # 每次写入 1MB
+
+
+def generate_random_file(file_path, size_bytes):
+    with open(file_path, "wb") as f:
+        written = 0
+        while written < size_bytes:
+            chunk = os.urandom(min(chunk_size, size_bytes - written))
+            f.write(chunk)
+            written += len(chunk)
+
+
+for i in range(1, file_count + 1):
+    file_size_mb = random.randint(min_size_mb, max_size_mb)
+    file_size_bytes = file_size_mb * 1024 * 1024
+    filename = f"file_{i}.bin"
+    filepath = os.path.join(output_dir, filename)
+
+    print(f"Creating {filename} ({file_size_mb} MB)...")
+    generate_random_file(filepath, file_size_bytes)
+
+print("✅ 所有文件生成完毕。")