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                            ## scarapy簡單下載圖片
- 獲取連接
>file_urls = response.xpath('//*[@id="deals"]/dl/dd[1]/dl/dd[2]/dl/dd[1]/a/div/div[1]/@data-src').extract()
- 拼接鏈接丟給管道
>item['image_urls'] = ["http:" + url]
> yield item
- 定義管道
>image_urls = scrapy.Field()
- settings.py
```
#scrapy自帶ImagesPipeline
ITEM_PIPELINES = {
    'scrapy.pipelines.images.ImagesPipeline': 300
 
}
IMAGES_URLS_FIELD = 'image_urls' #圖片itme字段
IMAGES_STORE = 'images'   #存儲圖片的文件夾位置
```
`如果爬蟲出現Forbidden by robots.txt`
關閉scrapy自帶的ROBOTSTXT_OBEY功能，在setting找到這個變量，設置為False即可解決
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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