源程序如下
import pymysql
connect=pymysql.Connect(
host='localhost',
port ='3306',
user ='root',
passwd='123456',
db='18年6月数据明细',
charset='utf8'
)
#连接游标
cursor=connect.cursor()
#sql语句
sql="select 客户明细_18年6月.客户 from 客户明细_18年6月 where 客户明细_18年6月.组别='%s'"%('B-3杨忠葵')
#执行sql语句
cursor.execute(sql)
results=cursor.fetchall()
for r in results:
print("r")
报错内容如下
C:\Users\admin\PycharmProjects\untitled\venv\Scripts\python.exe C:/Users/admin/PycharmProjects/untitled/venv/test
Traceback (most recent call last):
File "C:/Users/admin/PycharmProjects/untitled/venv/test", line 8, in <module>
charset='utf8'
File "C:\Users\admin\PycharmProjects\untitled\venv\lib\site-packages\pymysql\__init__.py", line 94, in Connect
return Connection(*args, **kwargs)
File "C:\Users\admin\PycharmProjects\untitled\venv\lib\site-packages\pymysql\connections.py", line 327, in __init__
self.connect()
File "C:\Users\admin\PycharmProjects\untitled\venv\lib\site-packages\pymysql\connections.py", line 588, in connect
self.host_info = "socket %s:%d" % (self.host, self.port)
TypeError: %d format: a number is required, not str
import pymysql
connect=pymysql.Connect(
host='localhost',
port ='3306',
user ='root',
passwd='123456',
db='18年6月数据明细',
charset='utf8'
)
#连接游标
cursor=connect.cursor()
#sql语句
sql="select 客户明细_18年6月.客户 from 客户明细_18年6月 where 客户明细_18年6月.组别='%s'"%('B-3杨忠葵')
#执行sql语句
cursor.execute(sql)
results=cursor.fetchall()
for r in results:
print("r")
报错内容如下
C:\Users\admin\PycharmProjects\untitled\venv\Scripts\python.exe C:/Users/admin/PycharmProjects/untitled/venv/test
Traceback (most recent call last):
File "C:/Users/admin/PycharmProjects/untitled/venv/test", line 8, in <module>
charset='utf8'
File "C:\Users\admin\PycharmProjects\untitled\venv\lib\site-packages\pymysql\__init__.py", line 94, in Connect
return Connection(*args, **kwargs)
File "C:\Users\admin\PycharmProjects\untitled\venv\lib\site-packages\pymysql\connections.py", line 327, in __init__
self.connect()
File "C:\Users\admin\PycharmProjects\untitled\venv\lib\site-packages\pymysql\connections.py", line 588, in connect
self.host_info = "socket %s:%d" % (self.host, self.port)
TypeError: %d format: a number is required, not str
config = {
'host':'127.0.0.1',
'port':3306,
'user':'root',
'password':'xinxin2333',
'database':'trade_ms',
'charset':'utf8mb4',
'cursorclass':pymysql.cursors.Cursor,
}# 连接数据库
connection = pymysql.connect(**config)