序列化与反序列化

标签：int   write   data   简单   集合   pen   hello   pytho   open   

#!/usr/bin/env python
#import json#不同语言交互,只能存简单的字符，集合等，不能存函数
‘‘‘
info = {
    ‘name‘:‘lian‘,
    ‘age‘:22,
}
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f = open("test.test",‘w‘)
f.write(str(info))
f.close()
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f = open("test.test",‘r‘)
data = eval(f.read())
f.close()
print(data[‘age‘])
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‘‘‘
f = open("test.test",‘w‘)
print(json.dumps(info))
f.write(json.dumps(info))
f.close()
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‘‘‘
f = open("test.test",‘r‘)
data = json.loads(f.read())
print(data[‘age‘])
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import pickle#功能与json一样，能功能更强，能存json不能存的函数等,但函数在反序列化中也要再定义
def sayhi(name):
    print(‘hello‘,name)
info = {
    ‘name‘:‘lian‘,
    ‘age‘:22,
    ‘func‘:sayhi
}
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f = open("test.test",‘wb‘)
print(pickle.dumps(info))
f.write(pickle.dumps(info))
f.close()
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f = open("test.test",‘rb‘)
data = pickle.loads(f.read())
print(data[‘age‘])
print(data[‘func‘](‘lian‘))
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f = open("test.test",‘wb‘)
pickle.dump(info,f)#等同于f.write(pickle.dumps(info))
f.close()
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f = open("test.test",‘rb‘)
data = pickle.load(f)#等同于pickle.loads(f.read())
print(data[‘age‘])
print(data[‘func‘](‘lian‘))
f.close()
‘‘‘

序列化与反序列化

标签：int   write   data   简单   集合   pen   hello   pytho   open   

原文地址：https://www.cnblogs.com/rongye/p/9936719.html