python 接口返回的圖片存儲 base64轉碼

接到服務器返回:

{"status":200,"statusText":"獲取驗證碼成功","token":None,"body":{"img":"/9j/4AAQSkZJRgABAgAAAQABAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0a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","expire":120000,"token":"xxxxxx-xxxxxx-xxxxxx-xxxxxx"}}

需獲取圖片并存儲。
需進行base64轉碼:

  import json,base64

res = 上面的返回內容
rest = json.dumps(res)
res_json = json.loads(rest)

body = res_json['body']
img = body['img']
print(img)
with open("1.png","wb") as f:
    f.write(base64.b64decode(img))

打開圖片,能正確看到:

1.png
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