python shelve模块
是一个简单的k,v将内存数据通过文件持久化的模块,可以持久化任何pickle可支持的python数据格式。是pickle 更上一层的封装。
例子:
import shelve,datetime
d = shelve.open('shelve_test')
info = {"age":25,"job":"it"}
name = ["abcd","rain","test"]
d["name"] = name
d["info"] = info
d["date"] = datetime.datetime.now()
d.close()
#读出来
d = shelve.open('shelve_test')
print(d.get("name"))
print(d.get("info"))
print(d.get("date"))
d.close()
结果:
['abcd', 'rain', 'test']
{'age': 25, 'job': 'it'}
2017-12-04 10:27:41.610200
本文转自 506554897 51CTO博客,原文链接:http://blog.51cto.com/506554897/2046055