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  • json数据的处理和转化(loads/load/dump/dumps)

    import requests
    import json
    
    url='https://movie.douban.com/j/search_subjects?type=movie&tag=%E7%83%AD%E9%97%A8&page_limit=50&page_start=0'
    headers={
    "User-Agent": " Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 Safari/537.36",
    }
    response=requests.get(url)
    content=response.content.decode()
    print('content',type(content),content)
    
    # json.loads把Json格式字符串解码转换成Python对象
    # 将字符串转化成字典,编码会乱
    a=json.loads(content)
    print('json.loads',type(a),a)
    
    # json.dumps:实现python类型转化为json字符串
    # 将字典转成字符串才能进行保存,
    a1=json.dumps(a,ensure_ascii=False)
    print('json.dumps',type(a1),a1)
    
    with open('static/douban.json','w',encoding='utf-8') as f:
        # f.write(a1)
        # json.dump将Python内置类型序列化为json对象后写入文件
        json.dump(a1,f,ensure_ascii=False)
    
    with open('static/douban.json','r',encoding='utf-8') as r:
        r_dict=json.loads(r.read(),encoding='utf-8')
        print('r_dict',type(r_dict),r_dict)
    
    
    
    with open('static/douban2.json','w',encoding='utf-8') as f:
        json.dump(r_dict,f,ensure_ascii=False)
        # json.dump(content, f, ensure_ascii=False)  # 会乱码????
    
    # json.load读取文件中json形式的字符串元素 转化成python类型
    with open('static/douban2.json','r',encoding='utf-8') as r:
        load_dict=json.load(r)
        print('load_dict',type(load_dict),load_dict)

     运行结果如下:

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  • 原文地址:https://www.cnblogs.com/Dark-fire-liehuo/p/9974268.html
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