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                [TOC] <br> ### 序列化與反序列化 序列化(Serialization):將對象的狀態信息轉換為可以存儲或可以通過網絡傳輸的過程,傳輸的格式可以是JSON、XML等。反序列化就是從存儲區域(JSON,XML)讀取反序列化對象的狀態,重新創建該對象。 ### json 模塊介紹 json,用于字符串 和 python數據類型間進行轉換 Json模塊提供了四個功能:dumps、dump、loads、load #### json.dumps 將dict類型的數據轉成str ```python import json data = { 'name': 'Milton', 'age': 31 } # json.dumps 將一個字典類型轉換為JSON字符串 json_str = json.dumps(data) print(type(json_str)) # 打印結果:<class 'str'> ``` #### json.loads 將JSON字符串轉換為字典對象 ```python import json data = '{"name": "Milton","age": 31}' # json.loads 將JSON字符串轉換為字典對象 json_obj = json.loads(data) print(type(json_obj)) # 打印結果:<class 'dict'> ``` #### json.dump 將dict類型的數據轉成str,并寫入到json文件中 ```python import json data = {"name": "Milton","age": 31} # Writing JSON data with open('data.json', 'w') as f: json.dump(data, f,indent=4) ``` 文件data.json內容如: ```cmd { "name": "Milton", "age": 31 } ``` #### json.load 從json文件中讀取數據,并轉成字典類型對象 ```python import json # Reading data back with open('data.json', 'r') as f: data_read = json.load(f) print(data_read) # 打印結果:{'name': 'Milton', 'age': 31} print(type(data_read)) # 打印結果:<class 'dict'> ``` <hr style="margin-top:100px"> :-: ![](https://box.kancloud.cn/2ff0bc02ec938fef8b6dd7b7f16ee11d_258x258.jpg) ***微信掃一掃,關注“python測試開發圈”,了解更多測試教程!***
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