python
import mysql.connector
import sys, os
user = 'root'
pwd = '123456'
host = 'local.dba.tt'
db = 'test'
data_file = 'mysql-test.dat'
create_table_sql = "create table if not exists mytable ( /
id int(10) auto_increment primary key, /
name varchar(20), age int(4) ) /
character set utf8"
insert_sql = "insert into mytable(name, age) values ('jay', 22 ), ('杰', 26)"
select_sql = "select id, name, age from mytable"
cnx = mysql.connector.connect(user=user, password=pwd, host=host, database=db)
cursor = cnx.cursor()
try:
cursor.execute(create_table_sql)
except mysql.connector.error as err:
print("create table 'mytable' failed.")
print("error: {}".format(err.msg))
sys.exit()
try:
cursor.execute(insert_sql)
except mysql.connector.error as err:
print("insert table 'mytable' failed.")
print("error: {}".format(err.msg))
sys.exit()
if os.path.exists(data_file):
myfile = open(data_file)
lines = myfile.readlines()
myfile.close()
for line in lines:
myset = line.split()
sql = "insert into mytable (name, age) values ('{}', {})".format(myset[0], myset[1])
try:
cursor.execute(sql)
except mysql.connector.error as err:
print("insert table 'mytable' from file 'mysql-test.dat' -- failed.")
print("error: {}".format(err.msg))
sys.exit()
try:
cursor.execute(select_sql)
for (id, name, age) in cursor:
print("id:{} name:{} age:{}".format(id, name, age))
except mysql.connector.error as err:
print("query table 'mytable' failed.")
print("error: {}".format(err.msg))
sys.exit()
cnx.commit()
cursor.close()
cnx.close()
python怎么学习?python怎么入门?python在哪学?python怎么学才快?不用担心,这里为大家提供了python速学教程(入门到精通),有需要的小伙伴保存下载就能学习啦!
Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号