print("------json序列化--------")
import json
import time
info={
  'date':time.localtime(),
  'name':'中文'
}
f=open("test.txt","w")
print("---------dump---------")
# json.dump(info,f)
# f.close()
print("---------dumps，---------")
f.write(json.dumps(info))
f.close()

print("------反序列化--------")
import json
f=open("test.txt","r")
print("-------load----------")
# data=json.load(f)#1
# print(data)
print("-------loads----------")
d2=json.loads(f.read())
print(d2)
f.close()

print("------json序列化--------")
import json
import time
info={
  'date':time.localtime(),
  'name':'中文'
  # 'func':hello #注：json不可序列化函数
}
info2=['1',2,3,4]
f=open("test.txt","w")
print("---------dumps，---------")#用'\n'来区分两份数据
f.write(json.dumps(info)+"\n")
f.write(json.dumps(info2)+"\n")
f.close()

import json
with open("test.txt") as f:
  a=json.loads(f.readline())
  b=json.loads(f.readline())
  print(a,b)

import pickle
info={
  'name':'1',
  'age':2,
}
f=open("test2.txt","wb")
pickle.dump(info,f)#序列化方法1
# f.write(pickle.dumps(info))#序列化方法2
f.close()

print("------反序列化--------")
import pickle
f=open("test2.txt","rb")
data=pickle.loads(f.read())#反序列方法1
print(data)
# data=pickle.load(f)#反序列方法2
# print(data)
f.close()

import shelve,time
d = shelve.open('shelve_test') # 打开一个文件
print("----------写----------")
info ={"name":'lilei',"sex":"man"}
name = ["autuman", "zhangsan", "lisi"]
d["teacher"] = name
d["student"] = info
d["date"] = time.ctime()
print("--------读------------")
print(d.get("teacher"))
print(d.get("student"))
print(d.get("date"))
d.close()

import shelve,time
class A:
  def hello(self):
    print("123")
d = shelve.open('shelve_test') # 打开一个文件
print("----------写----------")
d['class'] =A
print("--------读------------")
a=d.get('class')()
a.hello()
d.close()

import dbm
db=dbm.open("test.txt","c")
print("写".center(50,'-'))
db["name"]="1111111111112"
db["name2"]="2222222222222"
print("读".center(50,'-'))
print(db["name"])
print(db["name2"])
db.close()