python 爬虫图片

import requests

.img='img.png'

.files={'img':('test.png',open(img,'rb'),'image/png')}

sdata={'username':username,'content':cont}

res=requests.post(url,data=sdata,files=files)

print res.text

ls=requests.get(url)

f=open("1.png",'wb')

f.write(f)

f.flush()

f.close()

#!/usr/bin/python

#coding=utf-8

import MySQLdb  

self.conn = MySQLdb.connect(host='localhost',user='',passwd='',db='0')

cursor = self.conn.cursor()

cursor.execute( "INSERT INTO Dem_Picture (PicData) VALUES (%s)" , (MySQLdb.Binary(b)))

# self.conn.commit()

# 读取表内图片数据，并写入硬盘文件

cursor.execute( "SELECT PicData FROM Dem_Picture ORDER BY ID DESC limit 1" )

d = cursor.fetchone()[0]

cursor.close()

f = open( "C:\\22.jpg" , "wb" )

f.write(d)

f.close()