Commit eade73fd authored by jackfrued's avatar jackfrued

'添加了PyMySQL的参考代码'

parent 0da68f50
import pymysql
INSERT_CONTACTER = """
insert into tb_contacter (conname, contel, conemail)
values (%s, %s, %s)
"""
DELETE_CONTACTER = """
delete from tb_contacter where conid=%s
"""
UPDATE_CONTACTER = """
update tb_contacter set conname=%s, contel=%s, conemail=%s
where conid=%s
"""
SELECT_CONTACTERS = """
select conid as id, conname as name, contel as tel, conemail as email
from tb_contacter limit %s offset %s
"""
COUNT_CONTACTERS = """
select count(conid) as total from tb_contacter
"""
def input_contacter_info():
name = input('姓名: ')
tel = input('手机: ')
email = input('邮箱: ')
return name, tel, email
def add_new_contacter(con):
name, tel, email = input_contacter_info()
try:
with con.cursor() as cursor:
if cursor.execute(INSERT_CONTACTER,
(name, tel, email)) == 1:
print('添加联系人成功!')
except pymysql.MySQLError as err:
print(err)
print('添加联系人失败!')
def delete_contacter(con, contacter_id):
try:
with con.cursor() as cursor:
if cursor.execute(DELETE_CONTACTER, (contacter_id, )) == 1:
print('联系人已经删除!')
except pymysql.MySQLError as err:
print(err)
print('删除联系人失败!')
def edit_contacter_info(con, contacter):
name, tel, email = input_contacter_info()
contacter['name'] = name or contacter['name']
contacter['tel'] = tel or contacter['tel']
contacter['email'] = email or contacter['email']
try:
with con.cursor() as cursor:
if cursor.execute(UPDATE_CONTACTER,
(contacter['name'], contacter['tel'],
contacter['email'], contacter['id'])) == 1:
print('联系人信息已经更新!')
except pymysql.MySQLError as err:
print(err)
print('更新联系人信息失败!')
def show_contacter_detail(con, contacter):
print('姓名:', contacter['name'])
print('手机号:', contacter['tel'])
print('邮箱:', contacter['email'])
choice = input('是否编辑联系人信息?(yes|no)')
if choice == 'yes':
edit_contacter_info(con, contacter)
else:
choice = input('是否删除联系人信息?(yes|no)')
if choice == 'yes':
delete_contacter(con, contacter['id'])
def find_all_contacters(con):
page, size = 1, 5
try:
with con.cursor() as cursor:
cursor.execute(COUNT_CONTACTERS)
total = cursor.fetchone()['total']
while True:
cursor.execute(SELECT_CONTACTERS,
(size, (page - 1) * size))
contacters_list = []
for index, row in enumerate(cursor.fetchall()):
contacters_list.append(row)
print('[%d]: %s' % (index, row['name']))
choice = input('是否查看联系人详情?(yes|no)')
if choice.lower() == 'yes':
index = int(input('请输入编号: '))
if 0 <= index < cursor.rowcount:
show_contacter_detail(con, contacters_list[index])
if page * size < total:
choice = input('继续查看下一页?(yes|no)')
if choice.lower() == 'yes':
page += 1
else:
break
else:
print('没有下一页记录啦!')
break
except pymysql.MySQLError as err:
print(err)
def find_contacters_by_name(con):
pass
def find_contacters(con):
while True:
print('1. 查看所有联系人')
print('2. 搜索联系人')
print('3. 退出查找')
choice = int(input('请输入: '))
if choice == 1:
find_all_contacters(con)
elif choice == 2:
find_contacters_by_name(con)
elif choice == 3:
break
def main():
con = pymysql.connect(host='10.7.185.126', port=3306,
user='root', passwd='123456',
db='contact', charset='utf8',
autocommit=True,
cursorclass=pymysql.cursors.DictCursor)
while True:
print('=====通讯录=====')
print('1. 新建联系人')
print('2. 查找联系人')
print('3. 退出系统')
print('===============')
choice = int(input('请选择: '))
if choice == 1:
add_new_contacter(con)
elif choice == 2:
find_contacters(con)
elif choice == 3:
con.close()
print('谢谢使用, 再见!')
break
if __name__ == '__main__':
main()
def main():
list1 = ['orange', 'grape', 'banana', 'waxberry', 'pitaya']
for index, val in enumerate(list1):
print('%d: %s' % (index, val))
if __name__ == '__main__':
main()
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