一. 字典格式
把数据写入pkl文件,读取pkl文件
import pickle
dict_data = {"name":["张三", "李四"]}
with open("dict_data.pkl", 'wb') as fo: # 将数据写入pkl文件
pickle.dump(dict_data, fo)
with open("dict_data.pkl", 'rb') as fo: # 读取pkl文件数据
dict_data = pickle.load(fo, encoding='bytes')
print(dict_data.keys()) # 测试我们读取的文件
print(dict_data)
print(dict_data["name"])
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结果如下:
dict_keys(['name'])
{'name': ['张三', '李四']}
['张三', '李四']
二. 列表格式
import pickle
list_data = ["张三", "李四"]
with open("list_data.pkl", 'wb') as fo:
pickle.dump(list_data, fo)
with open("list_data.pkl", 'rb') as fo:
list_data = pickle.load(fo, encoding='bytes')
print(list_data)
print(list_data.keys()) # 注意这里,还想跟上面读取字典类型一样是行不通的,这个文件会保留原数据类型
print(list_data["name"])