对excel文件的Flask响应提供损坏的excel文件

from flask import Flask, Response
import openpyxl

app = Flask(__name__)

@app.route('/download_corrupted_excel')
def download_corrupted_excel():
    # 创建一个损坏的excel文件
    workbook = openpyxl.Workbook()
    sheet = workbook.active
    sheet['A1'] = 'This is a corrupted excel file'
    
    # 模拟损坏的excel文件，将文件内容进行修改
    sheet['A1'] = 'This is a corrupted excel file'
    sheet['A1'].font = openpyxl.styles.Font(color="FF0000")  # 设置字体颜色为红色
    
    # 将损坏的excel文件保存到内存中
    file_stream = openpyxl.writer.excel.save_virtual_workbook(workbook)
    
    # 返回响应，设置Content-Disposition头部，指定文件名为corrupted_excel.xlsx
    return Response(
        file_stream,
        mimetype='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
        headers={'Content-Disposition': 'attachment;filename=corrupted_excel.xlsx'}
    )

if __name__ == '__main__':
    app.run()