import pymysql
conn = pymysql.connect( #连接数据库
host = "127.0.0.1",
port = 3306,
user = "root",
passwd = "gloryroad",
db= "gloryroad",
charset = "utf8"
)
conn.autocommit(1) #设置自动提交功能
cursor = conn.cursor() #获取数据库的操作游标
try:
cursor.execute('select * from students;') #执行sql语句
while 1:
res = cursor.fetchone() #逐条读取游标里的数据,fetchmany(2)读取指定条数的数据,fetchall()一次读取所有数据
if res is None:
break
print(res)
cursor.close() #关闭游标
conn.close() #关闭连接
except pymysql.Error as e:
print('数据库连接失败:',e)
python 连接mysql数据库以及操作数据库方法
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转载自blog.csdn.net/weixin_44123630/article/details/114791249
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