Python 词典(Dict) 加载与保存示例

Dict的加载：importjsondefload_dict(filename):'''loaddictfromjsonfile'''withopen(filename,"r")asjson_file:dic=json.lo

Dict的加载：

import json

def load_dict(filename):
 '''load dict from json file'''
 with open(filename,"r") as json_file:
 dic = json.load(json_file)
 return dic

Dict的保存：

import json
import datetime
import numpy as np

class JsonEncoder(json.JSONEncoder):

 def default(self, obj):
 if isinstance(obj, np.integer):
 return int(obj)
 elif isinstance(obj, np.floating):
 return float(obj)
 elif isinstance(obj, np.ndarray):
 return obj.tolist()
 elif isinstance(obj, datetime): 
 return obj.__str__()
 else:
 return super(MyEncoder, self).default(obj)

def save_dict(filename, dic):
 '''save dict into json file'''
 with open(filename,'w') as json_file:
 json.dump(dic, json_file, ensure_ascii=False, cls=JsonEncoder)

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