fileObject = open('1.json', 'w') fileObject.write(jsObj) fileObject.close() #最终写入的json文件格式: { "andy": { "age": 23, "city": "shanghai", "skill": "python" }, "william": { "age": 33, "city": "hangzhou", "skill": "js" } } 标签: dict, python, JSON 好文...
importjson# 定义一个Python字典data={'name':'John','age':30,'city':'New York'}# 将Python字典转换为JSON字符串json_data=json.dumps(data)# 创建一个JSON文件并打开它withopen('data.json','w')asfile:# 将JSON字符串写入JSON文件file.write(json_data)# 关闭JSON文件file.close() 1. 2. 3. 4...
dict['sex'] = 'male' print(dict) # {'name': 'many', 'age': 10, 'sex': 'male'} with open('1.json', 'w') as f: json.dump(dict, f) # 会在目录下生成一个1.json的文件,文件内容是dict数据转成的json数据 if __name__ == '__main__': dict_to_json_write_file() 1. 2....
importjsondefdict_to_json_write_file(): dict={} dict['name'] ='many'dict['age'] = 10dict['sex'] ='male'print(dict)#{'name': 'many', 'age': 10, 'sex': 'male'}with open('1.json','w') as f: json.dump(dict, f)#会在目录下生成一个1.json的文件,文件内容是dict数据转成...
""" json 格式转换 代码示例 """ import json # II. 字典 转 json data_dict = {"name": "Trump", "age": "80"} print(f"data_dict 类型 : {type(data_dict)} 值为 {data_dict}") # 将字典转为 json json_str = json.dumps(data_dict) # 打印 json 字符串结果 print(f"json_str 类型...
通过import json导入。 在json模块有2个方法， loads()：将json数据转化成dict数据 dumps()：将dict...
4、json.load() 从json文件中读取数据。 (1)使用示例 使用上面生成文件: importjsonwithopen(file="test.json",mode='r')asf:article=json.load(f)print(type(article))print(article) 输出: <class 'dict'> {'title': 'Python文件操作(一篇就足够了!)', 'author': '阳光欢子', 'url': 'https://...
json.dump(obj, fp, *, skipkeys=False, ensure_ascii=True, check_circular=True, allow_nan=True, cls=None, indent=None, separators=None, default=None, sort_keys=False, **kw) 参数说明 obj: 要序列化的Python对象。 fp: 文件对象,json.dump将数据写入此对象。该对象必须具有.write()方法。通常通...
filename) return self.file def __exit__(self, exc_type, exception, traceback): self.file.close() >>> with open('test.txt', 'w') as file: ... file.write('Hello World!') >>> with MyOpen('test.txt') as file: ... print(file.read()) Hello World! Iterable Duck Types ...
<view> = <dict>.items() # Coll. of key-value tuples that reflects chgs. value = <dict>.get(key, default=None) # Returns default if key is missing. value = <dict>.setdefault(key, default=None) # Returns and writes default if key is missing. <dict> = collections.defaultdict(<type...