dict_ = {
  'name': 'Jack', 
  'age': 22, 
  'skills': ['Python', 'Java', 'C++', 'Matlab'], 
  'major': '计算机技术',
  'english': '英语六级',
  'school': 'WIT'
}

# 1. json.dumps(字典)：将字典转为JSON字符串，indent为多行缩进空格数，
# sort_keys为是否按键排序,ensure_ascii=False为不确保ascii，及不将中文等特殊字符转为\uXXX等
json_dict = json.dumps(dict_)
print(json_dict)

# 行缩进和键值排序
json_dict_2 = json.dumps(dict_, indent=2, sort_keys=True, ensure_ascii=False)
print(json_dict_2)

dict_from_str = json.loads(json_dict)
print(dict_from_str)

dict_from_str_2 = json.loads(json_dict_2)
print(dict_from_str_2)

with open("write_json.json", "w", encoding='utf-8') as f:
  # json.dump(dict_, f) # 写为一行
  json.dump(dict_, f, indent=2, sort_keys=True, ensure_ascii=False) # 写为多行

with open("write_json.json", encoding="utf-8") as f:
  json_file = json.load(f)
print(json_file)