Python實現(xiàn)通訊錄功能
更新時間:2018年02月22日 11:48:44 作者:MTbaby
這篇文章主要為大家詳細(xì)介紹了Python實現(xiàn)通訊錄功能,文中示例代碼介紹的非常詳細(xì),具有一定的參考價值,感興趣的小伙伴們可以參考一下
說實話,第一次寫這么長的Python代碼,期間遇到了很多問題,但是,最終還是完成了,花了我一天半的時間。
該程序?qū)崿F(xiàn)了用戶的增,刪,改,查,主要用到sqlite3模塊。對于該模塊的知識點,請查看我的另一篇文章SQLite-Python
如有更好的建議,請私信,本人將不勝榮幸,讓我們一起來學(xué)習(xí)Python!
#-*- coding:utf-8 -*-
import sqlite3
#打開本地數(shù)據(jù)庫用于存儲用戶信息
conn = sqlite3.connect('mysql_person.db')
#在該數(shù)據(jù)庫下創(chuàng)建表,創(chuàng)建表的這段代碼在第一次執(zhí)行后需要注釋掉,否則再次執(zhí)行程序會一直提示:該表已存在
conn.execute('''CREATE TABLE MT
(ID INT PRIMARY KEY NOT NULL,
NAME TEXT NOT NULL,
AGE INT NOT NULL,
ADDRESS CHAR(50),
SALARY REAL);''')
print "Table created successfully";
conn.close()
#增加用戶信息
def insert():
ID = input('請輸入用戶ID:\n')
NAME = raw_input('請輸入用戶昵稱:\n')
AGE = input('請輸入年齡:\n')
ADDRESS = raw_input('請輸入用戶地址:\n')
SALARY = input('請輸入用戶薪水:\n')
sql1 = 'insert into MT(ID,NAME,AGE,ADDRESS,SALARY)'
sql1 += 'values("%d","%s","%d","%s","%d");'%(ID,NAME,AGE,ADDRESS,SALARY)
conn.execute(sql1)
conn.commit()
print "Records insert successfully"
#刪除用戶信息
def delete():
name = raw_input("請輸入所要刪除的聯(lián)系人姓名:")
cursor = conn.execute("SELECT name from MT where name = '%s';"%name)
for row in cursor:
if name == row[0]:
conn.execute("DELETE from MT where name = '%s';"%name)
conn.commit()
print "Records delete successfully"
break
else:
print "sorry,不存在該用戶"
#修改用戶信息
def modify():
name = raw_input("請輸入要修改用戶的姓名:")
print search()
sql4 = "SELECT id, name, age,address, salary from MT where name = '%s';"%name
cursor = conn.execute(sql4)
x = raw_input("請輸入要修改用戶的新地址:")
y = input("請輸入要修改用戶的新年齡:")
z = input("請輸入要修改用戶的新薪水:")
sql3 = "UPDATE MT set address = '%s',age = '%d',\
salary = '%d' where name = '%s';"%(x,y,z,name)
conn.execute(sql3)
conn.commit()
print "修改成功"
sql5 = "SELECT id, name, age,address, salary from MT where name = '%s';"%name
cursor = conn.execute(sql5)
for row in cursor:
print "ID = ", row[0]
print "NAME = ", row[1]
print "AGE = ",row[2]
print "ADDRESS = ", row[3]
print "SALARY = ", row[4], "\n"
#查詢用戶信息
conn = sqlite3.connect('mysql_person.db')
def search():
conn = sqlite3.connect('mysql_person.db')
name = raw_input('請輸入要查詢的用戶姓名')
sql2 = "SELECT id,name,age, address, salary from MT where name= '%s';" % (name)
cursor = conn.execute(sql2)
for row in cursor:
print "ID = ", row[0]
print "NAME = ", row[1]
print "AGE = ",row[2]
print "ADDRESS = ", row[3]
print "SALARY = ", row[4], "\n"
break
else:
print "sorry,沒有該用戶信息"
#顯示所有用戶信息
def showall():
cursor = conn.execute("SELECT id, age, name, address, salary from MT")
for row in cursor:
print "ID = ", row[0]
print "NAME = ", row[1]
print "AGE = ",row[2]
print "ADDRESS = ", row[3]
print "SALARY = ", row[4], "\n"
print "Operation done successfully";
cursor = conn.execute("select count(*) from MT;")
for row in cursor:
print "一共有%d個用戶"%row[0]
def menu():
print '1.新增聯(lián)系人'
print '2.刪除聯(lián)系人'
print '3.修改聯(lián)系人'
print '4.查詢聯(lián)系人'
print '5.顯示所有聯(lián)系人'
print '6.退出程序'
print 'What do you want to do?'
while True:
menu()
x = raw_input('請輸入您的選擇菜單號:')
if x == '1':
insert()
continue
if x == '2':
delete()
continue
if x == '3':
modify()
continue
if x == '4':
search()
continue
if x == '5':
showall()
continue
if x == '6':
print "謝謝使用!"
exit()
continue
else:
print "輸入的選項不存在,請重新輸入!"
continue
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。
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