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# -*- encoding: utf-8 -*-
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"""
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@File : disk_read.py
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@License : (C)Copyright 2021-2023
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@Modify Time @Author @Version @Description
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------------ ------- -------- -----------
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2023/10/9 10:04 zart20 1.0 None
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"""
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import os
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# 定义常量
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SECTOR_SIZE = 512 # 扇区大小
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BYTES_PER_LINE = 16 # 每行字节数
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# MAX_SECTORS_TO_READ = 15927 # 要读取的最大扇区数量
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MAX_SECTORS_TO_READ = 0
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# 打开设备文件
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drive_letter = "I:" # 请替换为你要操作的磁盘
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file_path = f"\\\\.\\{drive_letter}" # 设备文件路径
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try:
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with open(file_path, 'rb') as disk:
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sector_number = 0 # 起始扇区号
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byte_offset = 0 # 字节偏移量初始化
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sectors_read = 0 # 已读取的扇区数量
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while sectors_read <= MAX_SECTORS_TO_READ:
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# 读取扇区数据
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disk.seek(sector_number * SECTOR_SIZE)
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sector_data = disk.read(SECTOR_SIZE)
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# 输出扇区数据
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print(f"扇区号：{sector_number}")
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for i in range(0, len(sector_data), BYTES_PER_LINE):
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line_data = sector_data[i:i + BYTES_PER_LINE]
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print(f"{byte_offset + i:08X}:", end=" ") # 输出字节偏移量（16进制）
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for byte in line_data:
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print(f"{byte:02X}", end=" ") # 输出每个字节的16进制表示
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print() # 换行
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# 更新扇区号，读取下一个扇区
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sector_number += 1
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byte_offset += len(sector_data) # 累加字节偏移量
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sectors_read += 1
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except PermissionError:
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print("没有足够的权限来访问磁盘。请以管理员身份运行程序。")
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except FileNotFoundError:
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print(f"找不到设备文件：{file_path}")
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except Exception as e:
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print(f"发生错误：{e}")
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