如何使用win32com在电子邮件正文中添加.htm

import win32com.client

def send_email_with_html_body():
    outlook = win32com.client.Dispatch("Outlook.Application")
    mail = outlook.CreateItem(0)
    
    # 设置收件人、主题和正文
    mail.To = "recipient@example.com"
    mail.Subject = "HTML Email"
    
    # 读取.htm文件内容
    with open("path/to/file.htm", "r") as f:
        html_body = f.read()
    
    # 将.htm内容添加到邮件正文中
    mail.HTMLBody = html_body
    
    # 发送邮件
    mail.Send()

send_email_with_html_body()