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...
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 ...
with open('data.json', 'w') as json_file:打开(或创建)名为data.json的文件,并以写入模式('w')打开。 json_file.write(json_str):将转换后的JSON字符串写入打开的文件。 完整代码示例 将上述步骤组合在一起,形成一个完整的代码示例: importjson# 创建一个示例字典data={"name":"Alice","age":30,"...
代码如下: importjson#python中如下识别的是python字典对象data = {'action':'list_customer','pagesize': 5,'pagenum': 1,'keywords':'人民医院'}print(type(data))#使用json.dumps将字典转化为json字符串 ,并格式化输出json_str = json.dumps(data,indent = 4,ensure_ascii=False)print(type(json_str))...
""" 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...
equals signs to indentation root = Node('root') root.add_children([Node(line) for line in fileParse.splitlines() if line.strip()]) d = root.as_dict()['root'] # this variable is storing the json output jsonOutput = json.dumps(d, indent = 4, sort_keys = False) print(jsonOutput...
# -*- coding:utf-8 -*- import json # json_str = '{"token":"dasgdhasdas", "status":0, "data":{"name":"admin", "password":123456}, "author":null}' # 文件中内容和json_str是一样的 with open("file_str.txt", mode="r", encoding="utf-8") as file: json_dict = json.load...
从json文件中读取数据。 (1)使用示例 使用上面生成文件: import json with open(file="test.json", mode='r') as f: 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 ...