import asyncio

import aiomysql

async def dbdaochu(loop):

sqlstr='sql'

conn = await aiomysql.connect(host, username,

pwd, db, charset='utf8',

loop=loop)

async with aiomysql.cursors.SSCursor(conn) as cursor:

await cursor.execute(sqlstr)

while True:

row = await cursor.fetchone()

if not row:

break

print(row)

if __name__ == '__main__':

loop = asyncio.get_event_loop()

loop.run_until_complete(dbdaochu(loop))

loop.close()

###########Pool版本

async def dbdaochu(loop):

sqlstr='..........'

pool = await aiomysql.create_pool(minsize=1, maxsize=10,host=host, user=user,

password=password,db=db, charset='utf8',

loop=loop)

async with pool.acquire() as conn:

async with aiomysql.cursors.SSCursor(conn) as cur:

await cur.execute(sqlstr)

while True:

row = await cur.fetchone()

if not row:

break

print(row)

pool.close()

await pool.wait_closed()

if __name__ == '__main__':

loop = asyncio.get_event_loop()

loop.run_until_complete(dbdaochu(loop))

loop.close()