import smtplib
from email.mime.text import MIMEText # 用于構(gòu)建文本郵件
from email.header import Header # 用于處理郵件標題中的中文

def send_simple_email(sender_email, sender_password, receiver_email, subject, content):
    """
    發(fā)送一封簡單的文本郵件。
    這是Python發(fā)送郵件的基礎(chǔ)。
    :param sender_email: 發(fā)件人郵箱地址
    :param sender_password: 發(fā)件人郵箱授權(quán)碼或密碼
    :param receiver_email: 收件人郵箱地址
    :param subject: 郵件主題
    :param content: 郵件正文
    """
    # 郵件內(nèi)容對象：MIMEText用于純文本郵件，'plain'表示純文本
    message = MIMEText(content, 'plain', 'utf-8')
    message['From'] = Header(f"Python自動化助手 <{sender_email}>", 'utf-8') # 設(shè)置發(fā)件人顯示名稱
    message['To'] = Header(f"收件人 <{receiver_email}>", 'utf-8') # 設(shè)置收件人顯示名稱
    message['Subject'] = Header(subject, 'utf-8') # 設(shè)置郵件主題

    try:
        # 連接到SMTP服務(wù)器（這里以QQ郵箱為例，使用SSL加密）
        smtp_server = "smtp.qq.com"
        smtp_port = 465 # SSL端口
        
        # 使用with語句確保SMTP連接被正確關(guān)閉
        with smtplib.SMTP_SSL(smtp_server, smtp_port) as smtp_obj: # SMTP_SSL用于SSL加密連接
            smtp_obj.login(sender_email, sender_password) # 登錄郵箱
            smtp_obj.sendmail(sender_email, receiver_email, message.as_string()) # 發(fā)送郵件
        print(f"? 郵件已成功發(fā)送到：{receiver_email}")
    except Exception as e:
        print(f"? 郵件發(fā)送失敗：{e}")
        print("請檢查發(fā)件人郵箱、授權(quán)碼、收件人地址和SMTP服務(wù)器配置。")

if __name__ == "__main__":
    # --- 請?zhí)鎿Q為你的實際郵箱信息和收件人 ---
    my_email = "你的QQ郵箱@qq.com" # 例如: 123456789@qq.com
    my_password = "你的郵箱授權(quán)碼" # **非常重要，不要用郵箱登錄密碼！**
    target_email = "目標郵箱@example.com" # 例如: test_receiver@example.com

    send_simple_email(my_email, my_password, target_email, 
                      "來自Python自動化測試郵件", 
                      "這是一封由Python腳本自動發(fā)送的測試郵件。\n你好，世界！")

import smtplib
from email.mime.multipart import MIMEMultipart # 用于構(gòu)建多部分郵件
from email.mime.text import MIMEText
from email.mime.base import MIMEBase # 用于附件
from email import encoders # 用于附件編碼
from email.header import Header
import os

def send_email_with_attachment_and_html(sender_email, sender_password, receiver_email, subject, html_content, attachment_path=None):
    """
    發(fā)送帶附件和HTML內(nèi)容的郵件。
    這是Python發(fā)送郵件的高級功能，實現(xiàn)郵件群發(fā)和郵件附件處理。
    :param sender_email: 發(fā)件人郵箱地址
    :param sender_password: 發(fā)件人郵箱授權(quán)碼或密碼
    :param receiver_email: 收件人郵箱地址
    :param subject: 郵件主題
    :param html_content: 郵件正文 (HTML格式)
    :param attachment_path: 附件文件路徑，可選
    """
    # 創(chuàng)建多部分郵件對象 (用于包含文本和附件)
    msg = MIMEMultipart('mixed') # 'mixed' 表示郵件包含不同類型的部分
    msg['From'] = Header(f"Python智能助手 <{sender_email}>", 'utf-8')
    msg['To'] = Header(f"重要收件人 <{receiver_email}>", 'utf-8')
    msg['Subject'] = Header(subject, 'utf-8')

    # 1. 添加HTML內(nèi)容 (Part 1: HTML Body)
    html_part = MIMEText(html_content, 'html', 'utf-8') # 'html'表示HTML格式
    msg.attach(html_part) # 將HTML部分添加到郵件

    # 2. 添加附件 (Part 2: Attachment)
    if attachment_path and os.path.exists(attachment_path):
        try:
            with open(attachment_path, 'rb') as fp:
                # MIMEBase用于所有非文本附件
                attachment = MIMEBase('application', 'octet-stream')
                attachment.set_payload(fp.read()) # 讀取附件內(nèi)容
            
            encoders.encode_base64(attachment) # 編碼附件內(nèi)容
            
            # 設(shè)置附件文件名，確保中文文件名正常顯示
            attachment.add_header('Content-Disposition', 'attachment', 
                                  filename=Header(os.path.basename(attachment_path), 'utf-8').encode())
            msg.attach(attachment) # 將附件添加到郵件
            print(f"   ? 附件 '{os.path.basename(attachment_path)}' 已添加。")
        except Exception as e:
            print(f"? 添加附件失?。簕e}")
    else:
        print("   ?? 未添加附件或附件文件不存在。")

    try:
        smtp_server = "smtp.qq.com"
        smtp_port = 465 # SSL端口
        with smtplib.SMTP_SSL(smtp_server, smtp_port) as smtp_obj:
            smtp_obj.login(sender_email, sender_password)
            smtp_obj.sendmail(sender_email, receiver_email, msg.as_string())
        print(f"? 郵件 (含附件/HTML) 已成功發(fā)送到：{receiver_email}")
    except Exception as e:
        print(f"? 郵件發(fā)送失敗：{e}")
        print("請檢查發(fā)件人郵箱、授權(quán)碼、收件人地址和SMTP服務(wù)器配置。")

if __name__ == "__main__":
    # --- 請?zhí)鎿Q為你的實際郵箱信息和收件人 ---
    my_email = "你的QQ郵箱@qq.com" 
    my_password = "你的郵箱授權(quán)碼" 
    target_email = "目標郵箱@example.com" 

    # HTML郵件內(nèi)容
    html_body = """
    <html>
    <body>
        <p>尊敬的客戶：</p>
        <p>您好！</p>
        <p>這是您的<b>最新銷售報告</b>，請查收附件。</p>
        <p>感謝您的支持！</p>
        <img src="https://via.placeholder.com/150" alt="占位符圖片">
        <p>Python自動化團隊 敬上</p>
    </body>
    </html>
    """
    
    # 附件文件 (準備一個測試PDF或圖片文件)
    test_attachment_path = os.path.expanduser("~/Desktop/test_report.pdf")
    if not os.path.exists(test_attachment_path):
        # 簡單創(chuàng)建模擬PDF附件
        import fitz; doc=fitz.open(); doc.new_page().insert_text((50,50),"附件內(nèi)容"); doc.save(test_attachment_path); doc.close()
        print(f"臨時附件文件 '{os.path.basename(test_attachment_path)}' 已創(chuàng)建。")

    send_email_with_attachment_and_html(my_email, my_password, target_email, 
                                        "【Python自動化】2023年度銷售報告", 
                                        html_body, 
                                        test_attachment_path)

import imaplib
import email
from email.header import decode_header
import os

def read_emails_imap(email_address, email_password, imap_server="imap.qq.com"):
    """
    通過IMAP協(xié)議連接郵箱，并讀取郵件列表和基本信息。
    這是Python接收郵件的基礎(chǔ)。
    :param email_address: 郵箱地址
    :param email_password: 郵箱授權(quán)碼或密碼
    :param imap_server: IMAP服務(wù)器地址
    """
    try:
        # 連接IMAP服務(wù)器 (SSL加密)
        mail = imaplib.IMAP4_SSL(imap_server)
        mail.login(email_address, email_password) # 登錄郵箱
        mail.select("inbox") # 選擇收件箱 (inbox)

        # 搜索所有郵件 (ALL) 或特定條件的郵件 (e.g., 'FROM', 'SUBJECT')
        # status, email_ids = mail.search(None, 'FROM', 'sender@example.com') # 篩選發(fā)件人
        status, email_ids = mail.search(None, 'ALL') # 搜索所有郵件
        email_id_list = email_ids[0].split() # 郵件ID列表

        print(f"?? 正在讀取郵箱 '{email_address}' 的郵件...")
        print(f"   共找到 {len(email_id_list)} 封郵件。")

        # 遍歷郵件ID，獲取郵件信息
        for i, email_id in enumerate(email_id_list[-5:]): # 只處理最近5封郵件，避免處理太多
            status, msg_data = mail.fetch(email_id, '(RFC822)') # 獲取郵件的完整內(nèi)容
            raw_email = msg_data[0][1].decode('utf-8') # 解碼郵件內(nèi)容
            msg = email.message_from_string(raw_email) # 解析郵件

            subject, encoding = decode_header(msg['Subject'])[0]
            if isinstance(subject, bytes):
                subject = subject.decode(encoding if encoding else 'utf-8')
            
            sender, encoding = decode_header(msg['From'])[0]
            if isinstance(sender, bytes):
                sender = sender.decode(encoding if encoding else 'utf-8')

            print(f"--- 郵件 {i+1} ---")
            print(f"   發(fā)件人: {sender}")
            print(f"   主題: {subject}")
            # print(f"   日期: {msg['Date']}") # 郵件日期

            # 獲取郵件正文
            # for part in msg.walk():
            #     ctype = part.get_content_type()
            #     cdispo = str(part.get('Content-Disposition'))
            #     if ctype == 'text/plain' and 'attachment' not in cdispo:
            #         body = part.get_payload(decode=True).decode('utf-8')
            #         print("   正文片段:", body[:100], "...") # 打印部分正文
            #         break
        
        mail.logout() # 登出郵箱
        print("? 郵件讀取完成！")
    except Exception as e:
        print(f"? 讀取郵件失?。簕e}")
        print("請檢查郵箱地址、授權(quán)碼、IMAP服務(wù)器地址和網(wǎng)絡(luò)連接。")

if __name__ == "__main__":
    # --- 請?zhí)鎿Q為你的實際郵箱信息 ---
    my_email = "你的QQ郵箱@qq.com" 
    my_password = "你的郵箱授權(quán)碼" 
    
    read_emails_imap(my_email, my_password)

import imaplib
import email
from email.header import decode_header
import os

def download_attachments_from_emails(email_address, email_password, imap_server="imap.qq.com", 
                                     search_subject="", download_folder="Downloaded_Attachments"):
    """
    通過IMAP協(xié)議連接郵箱，搜索特定主題的郵件，并自動下載附件。
    這是Python接收郵件和郵件附件處理的核心功能。
    :param email_address: 郵箱地址
    :param email_password: 郵箱授權(quán)碼或密碼
    :param imap_server: IMAP服務(wù)器地址
    :param search_subject: 要搜索的郵件主題關(guān)鍵詞 (留空則搜索所有郵件)
    :param download_folder: 附件下載保存的文件夾
    """
    os.makedirs(download_folder, exist_ok=True) # 確保下載文件夾存在

    try:
        mail = imaplib.IMAP4_SSL(imap_server)
        mail.login(email_address, email_password)
        mail.select("inbox")

        # 搜索郵件 (可以按主題、發(fā)件人等搜索)
        if search_subject:
            status, email_ids = mail.search(None, 'SUBJECT', f'"{search_subject}"')
        else:
            status, email_ids = mail.search(None, 'ALL')
        
        email_id_list = email_ids[0].split()

        print(f"?? 正在搜索并下載附件，主題關(guān)鍵詞：'{search_subject}'...")
        if not email_id_list:
            print("   ?? 未找到符合條件的郵件。")
        else:
            print(f"   找到 {len(email_id_list)} 封符合條件的郵件。")

        for email_id in email_id_list:
            status, msg_data = mail.fetch(email_id, '(RFC822)')
            raw_email = msg_data[0][1].decode('utf-8')
            msg = email.message_from_string(raw_email)

            subject, _ = decode_header(msg['Subject'])[0]
            subject = subject.decode(_) if isinstance(subject, bytes) else subject
            sender, _ = decode_header(msg['From'])[0]
            sender = sender.decode(_) if isinstance(sender, bytes) else sender
            
            print(f"--- 處理郵件 (主題: {subject}) ---")

            for part in msg.walk():
                # 跳過非附件部分
                if part.get_content_maintype() == 'multipart' or part.get('Content-Disposition') is None:
                    continue
                
                filename = part.get_filename()
                if filename: # 如果是附件
                    filename, _ = decode_header(filename)[0] # 解碼附件文件名中的中文
                    filename = filename.decode(_) if isinstance(filename, bytes) else filename

                    file_path = os.path.join(download_folder, filename)
                    
                    try:
                        with open(file_path, 'wb') as f:
                            f.write(part.get_payload(decode=True)) # 寫入附件內(nèi)容
                        print(f"   ? 附件已下載：'{filename}'")
                    except Exception as e:
                        print(f"   ? 下載附件 '{filename}' 失?。簕e}")
        
        mail.logout()
        print("? 附件下載完成！")
    except Exception as e:
        print(f"? 收取郵件或下載附件失敗：{e}")
        print("請檢查郵箱地址、授權(quán)碼、IMAP服務(wù)器地址和網(wǎng)絡(luò)連接。")

if __name__ == "__main__":
    # --- 請?zhí)鎿Q為你的實際郵箱信息 ---
    my_email = "你的QQ郵箱@qq.com" 
    my_password = "你的郵箱授權(quán)碼" 
    
    download_folder_path = os.path.expanduser("~/Desktop/Downloaded_Reports")
    os.makedirs(download_folder_path, exist_ok=True) # 確保下載目錄存在

    # 示例：搜索主題包含“銷售報告”的郵件，并下載附件
    # 建議先手動給你的郵箱發(fā)送幾封帶附件（如PDF、Excel）且主題包含“銷售報告”的測試郵件
    download_attachments_from_emails(my_email, my_password, 
                                     search_subject="銷售報告", 
                                     download_folder=download_folder_path)