从必应上拉取图片

# -*- coding: utf-8 -*-
import time
import os
import urllib
from bs4 import BeautifulSoup

def SaveImage(link,InputData,count):
    try:
        time.sleep(0.2)
        urllib.request.urlretrieve(link,‘./‘+InputData+‘/‘+str(count)+‘.jpg‘)
    except Exception :
        time.sleep(1)
        print("产生未知错误，放弃保存")
    else:
        print("图+1,已有" + str(count) + "张图")


def FindLink(PageNum, InputData, word):
    for i in range(PageNum):
        print(i)
        try:
            url = ‘http://cn.bing.com/images/async?q={0}&first={1}&count=35&relp=35&lostate=r&mmasync=1&dgState=x*175_y*848_h*199_c*1_i*106_r*0‘
            # 定义请求头
            agent = {
                ‘User-Agent‘: "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.165063 Safari/537.36 AppEngine-Google."}
            page1 = urllib.request.Request(url.format(InputData, i * 35 + 1), headers=agent)
            page = urllib.request.urlopen(page1)
            #使用beautifulSoup进行解析网页
            soup = BeautifulSoup(page.read(), ‘html.parser‘)
            # 创建文件夹
            if not os.path.exists("./" + word):
                os.mkdir(‘./‘ + word)

            for StepOne in soup.select(‘.mimg‘):
                link = StepOne.attrs[‘src‘]
                count = len(os.listdir(‘./‘ + word)) + 1
                SaveImage(link, word, count)
        except:
            print(‘URL OPENING ERROR !‘)

if __name__==‘__main__‘:
    #输入需要加载的页数，每页35幅图像
    PageNum = 100
    #输入需要搜索的关键字from bs4 import BeautifulSoup
    word=‘金发‘
    #UTF-8编码
    InputData=urllib.parse.quote(word)
    print(InputData)
    FindLink(PageNum,InputData,word)