# 检查多个文件是否存在BOM字符
import os

# 要检查的文件列表
files_to_check = [
    'd:\\code\\PriceForecast-svn\\main_juxiting.py',
    'd:\\code\\PriceForecast-svn\\main_juxiting_yuedu.py',
    'd:\\code\\PriceForecast-svn\\main_juxiting_zhoudu.py',
    'd:\\code\\PriceForecast-svn\\main_yuanyou.py',
    'd:\\code\\PriceForecast-svn\\main_yuanyou_yuedu.py',
    'd:\\code\\PriceForecast-svn\\main_yuanyou_zhoudu.py'
]

# 检查并报告BOM字符
files_with_bom = []
for file_path in files_to_check:
    try:
        with open(file_path, 'rb') as f:
            content = f.read(3)  # 只读取前3个字节
            if content.startswith(b'\xef\xbb\xbf'):
                files_with_bom.append(file_path)
                print(f"发现BOM: {file_path}")
            else:
                print(f"无BOM: {file_path}")
    except Exception as e:
        print(f"检查文件失败 {file_path}: {e}")

# 输出总结
if files_with_bom:
    print(f"\n发现{len(files_with_bom)}个文件含有BOM字符:")
    for file in files_with_bom:
        print(f"- {file}")
else:
    print("\n所有检查的文件都不含有BOM字符。")