開始學習Python，看了一道程序 http://www.oschina.net/code/snippet_230735_8468， 在此基礎上修改了一下，
#!/bin/python
# coding:utf-8
import time
import csv
class TelBook:
def __init__(self, filename):
self._filename = filename
"""print title into file"""
csvfile = file(self._filename, "wb")
writer = csv.writer(csvfile)
title = ["NAME", "TEL", "TIME"]
writer.writerow(title)
csvfile.close()
def addPerson(self):
"""Add a new person information"""
person = raw_input("Enter the person\'s name:")
tel = raw_input("Enter the person\'s tel:")
update = time.strftime("%Y-%m-%d %H:%m:%S")
writer = csv.writer(file(self._filename, "ab"))
writer.writerow([person, tel, update])
def findPerson(self, personname):
"""find a person's information and print to terminal"""
csvfile = file(self._filename, "rb")
reader = csv.reader(csvfile)
flag = False
for person in reader:
if person[0] == personname:
print person
flag = True
break
if not flag:
print "Not find information of person with " + personname
csvfile.close()
#TODO:Delete person information
def prompt():
print "a/A : add a person tel information;"
print "f/F : find a person tel information;"
print "q/Q : quit."
def mainLoop():
obj = TelBook("telbook.csv")
flag = True
while flag:
choice = raw_input("Pls input your choice?(h for help)")
if choice == 'a' or choice == 'A':
obj.addPerson()
elif choice == 'f' or choice == 'F':
name = raw_input("Input the person\'s name you want to find:")
obj.findPerson(name)
elif choice == 'h' or choice == 'H':
prompt()
elif choice == 'q' or choice == 'Q':
print "Thank you! Bye-bye!"
flag = False
else:
print "Your input is invalid!"
if __name__ == "__main__":
print "Welcome to TelBook!"
prompt()
mainLoop()