电脑壁纸？手机壁纸？还去各个壁纸网站上去搜索吗？现在不需要了！只需要选择想要的壁纸类型，然后就静静等待一会儿，大量壁纸就保存在你的电脑上，一个爬虫解决你的想要壁纸的烦恼。

         该爬虫比较简单，很容易上手，通过接口的方式去获取图片链接地址，其中有正则的运用，不会正则的小伙伴可以去学习一下正则，因为这是爬虫领域很重要的东西，在数据清洗中占领着重要位置，好了，不多说，直接展示代码

import time

import requests, re, os


class Downloadpucture(object):

    def __init__(self):
        # 请求头
        self.headers = {
            'User - Agent': 'Mozilla / 5.0(WindowsNT10.0;WOW64) AppleWebKit / 537.36(KHTML, likeGecko) Chrome / '
                            '70.0.3538.25Safari / 537.36Core / 1.70.3870.400QQBrowser / 10.8.4405.400'
        }

    # 选择图片类型
    def choosevarise(self):
        list = ["rili", "dongman", "fengjing", "meinv", "youxi", "yingshi", "dongtai", "weimei", "sheji", "keai",
                "qiche", "huahui",
                "dongwu", "jieri", "renwu", "meishi", "shuiguo", "jianzhu", "tiyu", "junshi", "feizhuliu", "qita",
                "wangzherongyao", "huyan", "lol"]
        LIST = ["0.日历", "1.动漫", "2.风景", "3.美女", "4.游戏", "5.影视", "6.动态", "7.唯美", "8.设计", "9.可爱",
                "10.汽车", "11.花卉", "12.动物",
                "13.节日", "14.人物", "15.美食", "16.水果", "17.建筑", "18.体育", "19.军事", "20.非主流", "21.其他",
                "22.王者荣耀", "23.护眼", "24.LOL"]
        print(LIST[0:12])
        print(LIST[13:25])
        self.choosepath()  # 调用路径填写函数
        self.choosenum()  # 调用图片类型选择函数
        self.judge(number, LIST, list)  # 调用路径填写函数

    # 保存路径，主要对路径做一个判断，判断路径是否填写正确，如果该路径下存在文件夹则跳过，不存在则创建文件夹
    def choosepath(self):
        global PATH
        while True:  # 对文件进行判定，文件夹后面是否带“/”,不带则主动添加“/”，因为这儿是为了下面图片下载函数能正确下载到填写的文件夹下
            try:
                try:
                    PATH = input("请输入保存路径，具体到某个文件夹:")
                    gz = r"/$"
                    rep = re.findall(gz, PATH)[0]
                    pass
                    if rep == "/":
                        pass
                    else:
                        pass
                except:
                    PATH += "/"
                folder = os.path.exists(PATH)
                if not folder:
                    os.mkdir(PATH)  # 创建文件夹
                    break
                else:
                    break
            except:
                print("路径错误，请仔细检查路径后重试！！")
        print("图片保存路径：%s" % PATH)

    # 判断输入的序号是否正确
    def choosenum(self):
        global number
        while True:
            try:
                number = int(input("请输入要下载的类型图序号:"))
                if isinstance(number, int):
                    if 0 <= number <= 24:
                        break
                    else:
                        print("请输入正确序号！！！")
                else:
                    print("请输入正确序号！！！")
            except:
                print("请输入正确序号！！！")

    # 对页面URL进行处理，主要是爬取的页面URL不一致，进行判断，获取URL
    def judge(self, number, LIST, list):
        global Url
        kd = list[number]
        print("你已选择:%s" % LIST[number])
        for i in range(1, self.picturepages(kd, number) + 1):
            if 0 <= number < 22:
                Url = "http://www.netbian.com/%s/index_%d.htm" % (kd, i)
                if i == 1:
                    Url = "http://www.netbian.com/%s/" % kd
                else:
                    pass
            elif 22 <= number <= 24:
                Url = "http://www.netbian.com/s/%s/index_%d.htm" % (kd, i)
                if i == 1:
                    Url = "http://www.netbian.com/s/%s/" % kd
                else:
                    pass
            self.picturenum()

    # 获取图片；类型下所有图片的二级链接
    def indexdata(self):
        rep = requests.get(url=Url, headers=self.headers)
        return rep.text

    # 正则提取出二级链接下响应页面的三级地址
    def picturenum(self):
        zz = r'href="/desk/.*?.htm"'
        data = re.findall(zz, Downloadpucture.indexdata(self))
        global URl
        for i in data:
            try:
                URl = 'http://www.netbian.com%s' % i[6:-1]
                self.picturenum2(URl)
                time.sleep(1)
            except:
                pass

    #获取真实图片地址
    def picturenum2(self,url):
        page = requests.get(url, headers=self.headers)
        zz = re.findall(r'src=.*?alt',page.text)
        print(zz[0][5:-5])
        Downloadpucture.download(self, zz[0][5:-5])

    # 获取图片所有页数，找到该图片类型下所有的页数
    def picturepages(self, kd, number):
        if 0 <= number < 22:
            req = requests.get(url="http://www.netbian.com/%s/" % kd, headers=self.headers).text
            gz = r'.htm">.*?</a><a href="/%s/index_2.htm' % kd
            NUM = re.findall(gz, req)[0].split(">")[-2]
            PAGE = re.match(r'\d{0,4}', NUM).group()
            return int(PAGE)
        else:
            req = requests.get(url="http://www.netbian.com/s/%s/" % kd, headers=self.headers).text
            gz = r'.htm">.*?</a><a href="/s/%s/index_2.htm' % kd
            NUM = re.findall(gz, req)[0].split(">")[-2]
            PAGE = re.match(r'\d{0,4}', NUM).group()
            return int(PAGE)


    # 下载图片
    def download(self, url):
        D = requests.get(url, stream=True)
        path = PATH + url[-10:-4] + ".jpg"
        with open(path, "wb") as f:
            f.write(D.content)
            print(url[-10:-4] + ".jpg" + "下载完成!")


if __name__ == "__main__":
    a = Downloadpucture()
    a.choosevarise()

成果真的很nice，再也不用对没有好看的壁纸而烦恼啦！