python爬虫爬取彼岸图网图片

超、凢脫俗 2021-07-26 16:43 646阅读 0赞

## python爬虫爬取彼岸图网图片 ##

**话不多说，直接上代码！**

import requests
    from PIL import Image
    from io import BytesIO
    import re
    from requests.exceptions import HTTPError
    
    root = "http://pic.netbian.com/index_%d.html"
    
    uni = "http://pic.netbian.com"
    
    AllPage = []
    
    AllImgHTML = []
    
    AllImgURL = []
    
    def GetPageURL(root, Start, counts):
        if Start == 1:
            AllPage.append("http://pic.netbian.com/index.html")
            for i in range(Start + 1, Start + counts):
                newURL = root.replace("%d", str(i))
                AllPage.append(newURL)
        else:
            for i in range(Start, Start + counts):
                newURL = root.replace("%d", str(i))
                AllPage.append(newURL)
    
    def GetImgHTML(AllPage):
        for PageURL in AllPage:
            try:
                res = requests.get(PageURL)
                res.raise_for_status()
            except HTTPError:
                print("HTTP Error!")
            except ConnectionError:
                print("Failed to connect!")
            with open("C:/Users/86135/Desktop/PageFile.txt", "w", encoding="ISO-8859-1") as PageFile:
                PageFile.write(res.text)
                PageFile.close()
            with open("C:/Users/86135/Desktop/PageFile.txt", "r", encoding="gbk") as ReadFile:
                str = ReadFile.read()
                mid = re.split("\"", str)
                for i in mid:
                    ImgHTML = re.findall("^/tupian/.*.html$", i)
                    if len(ImgHTML) != 0:
                        AllImgHTML.append(ImgHTML[0])
    
    def GetImgURL():
        UsefulImgHTML = [None for i in range(len(AllImgHTML))]
        for i in range(len(AllImgHTML)):
            UsefulImgHTML[i] = uni + AllImgHTML[i]
        for html in UsefulImgHTML:
            try:
                htmlres = requests.get(html)
                htmlres.raise_for_status()
            except HTTPError:
                print("HTTP Error!")
            except ConnectionError:
                print("Failed to connect!")
            with open("C:/Users/86135/Desktop/ImgHTML.txt", "w", encoding="ISO-8859-1") as ImgHTML:
                ImgHTML.write(htmlres.text)
                ImgHTML.close()
            with open("C:/Users/86135/Desktop/ImgHTML.txt", "r", encoding="gbk") as ReadHTML:
                str = ReadHTML.read()
                mid = re.split("\"", str)
                for i in mid:
                    ImgURL = re.search("^/uploads/allimg/.*.jpg$", i)
                    if ImgURL is not None:
                        AllImgURL.append(ImgURL[0])
                        break
        UsefulImgURL = [None for i in range(len(AllImgURL))]
        for i in range(len(AllImgURL)):
            UsefulImgURL[i] = uni + AllImgURL[i]
        return UsefulImgURL
    
    def DownloadWallpaper(url, path):
        try:
            res = requests.get(url)
            res.raise_for_status()
            MyImage = Image.open(BytesIO(res.content))
            MyImage.save(path)
            print("Done...")
        except HTTPError:
            print("HTTP Error!")
        except ConnectionError:
            print("Failed to connect!")
    
    if __name__ == "__main__":
        GetPageURL(root, 2, 2)
        GetImgHTML(AllPage)
        UsefulImgURL = GetImgURL()
        num = []
        for i in range(len(UsefulImgURL)):
            num.append(i)
        UsefulSavePath = [None for i in range(len(UsefulImgURL))]
        for i in range(len(UsefulSavePath)):
            UsefulSavePath[i] = "C:/Users/86135/Desktop/" + str(num[i]) + ".jpg"
        for i in range(len(UsefulImgURL)):
            print(i, end=" ")
            DownloadWallpaper(UsefulImgURL[i], UsefulSavePath[i])
        print("Task completed!")

**运行结果如下：**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2d1b3h1eWluZw_size_16_color_FFFFFF_t_70_pic_center]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2d1b3h1eWluZw_size_16_color_FFFFFF_t_70_pic_center]: /images/20210726/60cc0f6f43fb461d90f74e0df8f5467e.png