#!/usr/bin/env python3 
# -*- coding: utf-8 -*- 
import poplib 
import email 
import datetime 
import time 
import os 
import xlrd 
import xlwt 
from email.parser import Parser 
from email.header import decode_header 
from email.utils import parseaddr 
 
 
 
# 輸入郵件地址, 口令和POP3服務器地址: 
email = 'xxxxxxxx@qq.com' 
password = 'xxxxxxxxxxx' 
pop3_server = 'pop.qq.com' 
 
 
 
def decode_str(s):#字符編碼轉換 
  value, charset = decode_header(s)[0] 
  if charset: 
    value = value.decode(charset) 
  return value 
 
 
def get_att(msg): 
  import email 
  attachment_files = [] 
   
  for part in msg.walk(): 
    file_name = part.get_filename()#獲取附件名稱類型 
    contType = part.get_content_type() 
     
    if file_name:  
      h = email.header.Header(file_name) 
      dh = email.header.decode_header(h)#對附件名稱進行解碼 
      filename = dh[0][0] 
      if dh[0][1]: 
        filename = decode_str(str(filename,dh[0][1]))#將附件名稱可讀化 
        print(filename) 
        #filename = filename.encode("utf-8") 
      data = part.get_payload(decode=True)#下載附件 
      att_file = open('E:\\L\\zy\\307\\' + filename, 'wb')#在指定目錄下創建文件，注意二進制文件需要用wb模式打開 
      attachment_files.append(filename) 
      att_file.write(data)#保存附件 
      att_file.close() 
  return attachment_files 
 
     
       
# 連接到POP3服務器,有些郵箱服務器需要ssl加密，對于不需要加密的服務器可以使用poplib.POP3() 
server = poplib.POP3_SSL(pop3_server) 
server.set_debuglevel(1) 
# 打印POP3服務器的歡迎文字: 
print(server.getwelcome().decode('utf-8')) 
# 身份認證: 
server.user(email) 
server.pass_(password) 
# 返回郵件數量和占用空間: 
print('Messages: %s. Size: %s' % server.stat()) 
# list()返回所有郵件的編號: 
resp, mails, octets = server.list() 
# 可以查看返回的列表類似[b'1 82923', b'2 2184', ...] 
print(mails) 
index = len(mails) 
 
 
 
for i in range(index,0,-1): 
  #倒序遍歷郵件 
  resp, lines, octets = server.retr(i) 
  # lines存儲了郵件的原始文本的每一行, 
  #郵件的原始文本: 
  msg_content = b'\r\n'.join(lines).decode('utf-8') 
  #解析郵件: 
  msg = Parser().parsestr(msg_content) 
  #獲取郵件時間 
  date1 = time.strptime(msg.get("Date")[0:24],'%a, %d %b %Y %H:%M:%S') #格式化收件時間 
  date2 = time.strftime("%Y%m%d", date1)#郵件時間格式轉換 
  if (date2<'20180306')|(date2>'20180314'): 
     
    continue 
  f_list = get_att(msg)#獲取附件 
   
     
   
  #print_info(msg) 
 
server.quit()