==================================

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import MySQLdb

# 打开数据库连接

db = MySQLdb.connect("localhost", "testuser", "test123", "TESTDB", charset='utf8' )

# 使用cursor()方法获取操作游标 

cursor = db.cursor()

# 如果数据表已经存在使用 execute() 方法删除表。

cursor.execute("DROP TABLE IF EXISTS EMPLOYEE")

# 创建数据表SQL语句

sql = """CREATE TABLE EMPLOYEE (

         FIRST_NAME  CHAR(20) NOT NULL,

         LAST_NAME  CHAR(20),

         AGE INT,  

         SEX CHAR(1),

         INCOME FLOAT )"""

cursor.execute(sql)

# 关闭数据库连接

db.close()

----------------------------------

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import MySQLdb

# 打开数据库连接

db = MySQLdb.connect("localhost", "testuser", "test123", "TESTDB", charset='utf8' )

# 使用cursor()方法获取操作游标 

cursor = db.cursor()

# SQL 更新语句

sql = "UPDATE EMPLOYEE SET AGE = AGE + 1 WHERE SEX = '%c'" % ('M')

try:

   # 执行SQL语句

   cursor.execute(sql)

   # 提交到数据库执行

   db.commit()

except:

   # 发生错误时回滚

   db.rollback()

# 关闭数据库连接

db.close()

-------------------------------------------------------------

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import MySQLdb

# 打开数据库连接

db = MySQLdb.connect("localhost", "testuser", "test123", "TESTDB", charset='utf8' )

# 使用cursor()方法获取操作游标 

cursor = db.cursor()

# SQL 查询语句

sql = "SELECT * FROM EMPLOYEE \

       WHERE INCOME > '%d'" % (1000)

try:

   # 执行SQL语句

   cursor.execute(sql)

   # 获取所有记录列表

   results = cursor.fetchall()

   for row in results:

      fname = row[0]

      lname = row[1]

      age = row[2]

      sex = row[3]

      income = row[4]

      # 打印结果

      print "fname=%s,lname=%s,age=%d,sex=%s,income=%d" % \

             (fname, lname, age, sex, income )

except:

   print "Error: unable to fecth data"

# 关闭数据库连接

db.close()

======================================================

#!/usr/bin/python

# -*- coding: UTF-8 -*-

# 文件名：server.py

import socket               # 导入 socket 模块

s = socket.socket()         # 创建 socket 对象

host = socket.gethostname() # 获取本地主机名

port = 80808                # 设置端口

s.bind((host, port))        # 绑定端口

s.listen(5)                 # 等待客户端连接

while True:

    c, addr = s.accept()     # 建立客户端连接。

    print '连接地址：', addr

    c.send('欢迎访问！')

    c.close()                # 关闭连接

-------------------------------------------------

#!/usr/bin/python

# -*- coding: UTF-8 -*-

# 文件名：client.py

import socket               # 导入 socket 模块

s = socket.socket()         # 创建 socket 对象

host = socket.gethostname() # 获取本地主机名

port = 808080               # 设置端口好

s.connect((host, port))

print s.recv(1024)

s.close()  

=================================================

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import smtplib

from email.mime.image import MIMEImage

from email.mime.multipart import MIMEMultipart

from email.mime.text import MIMEText

from email.header import Header

sender = 'from@runoob.com'

receivers = ['45245751@qq.com'] # 接收邮件，可设置为你的QQ邮箱或者其他邮箱

msgRoot = MIMEMultipart('related')

msgRoot['From'] = Header("测试教程", 'utf-8')

msgRoot['To'] = Header("测试", 'utf-8')

subject = 'Python SMTP 邮件测试'

msgRoot['Subject'] = Header(subject, 'utf-8')

msgAlternative = MIMEMultipart('alternative')

msgRoot.attach(msgAlternative)

mail_msg = """

<p>Python 邮件发送测试...</p>

<p><a >测试教程链接</a></p>

<p>图片演示：</p>

<p><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="cid:image1"></p>

"""

msgAlternative.attach(MIMEText(mail_msg, 'html', 'utf-8'))

# 指定图片为当前目录

fp = open('test.png', 'rb')

msgImage = MIMEImage(fp.read())

fp.close()

# 定义图片 ID，在 HTML 文本中引用

msgImage.add_header('Content-ID', '<image1>')

msgRoot.attach(msgImage)

try:

smtpObj = smtplib.SMTP('localhost')

smtpObj.sendmail(sender, receivers, msgRoot.as_string())

print "邮件发送成功"

except smtplib.SMTPException:

print "Error: 无法发送邮件"

------------------------------------------------------------

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import smtplib

from email.mime.text import MIMEText

from email.utils import formataddr

my_sender='568297876@qq.com' # 发件人邮箱账号

my_pass = 'xxxxxxxxxx' # 发件人邮箱密码

my_user='568297876@qq.com' # 收件人邮箱账号，我这边发送给自己

def mail():

ret=True

try:

msg=MIMEText('填写邮件内容','plain','utf-8')

msg['From']=formataddr(["FromRunoob",my_sender]) # 括号里的对应发件人邮箱昵称、发件人邮箱账号

msg['To']=formataddr(["FK",my_user]) # 括号里的对应收件人邮箱昵称、收件人邮箱账号

msg['Subject']="教程发送邮件测试" # 邮件的主题，也可以说是标题

server=smtplib.SMTP_SSL("smtp.qq.com", 465) # 发件人邮箱中的SMTP服务器，端口是25

server.login(my_sender, my_pass) # 括号中对应的是发件人邮箱账号、邮箱密码

server.sendmail(my_sender,[my_user,],msg.as_string()) # 括号中对应的是发件人邮箱账号、收件人邮箱账号、发送邮件

server.quit() # 关闭连接

except Exception: # 如果 try 中的语句没有执行，则会执行下面的 ret=False

ret=False

return ret

ret=mail()

if ret:

print("邮件发送成功")

else:

print("邮件发送失败")

===================