#插入产品信息
 insert_good_sql = """
 INSERT INTO T_GOOD(good_name, good_type, img_src, good_description, how_to_use, volumetric, price,sale, spider_time)
 VALUES(%s, %s, %s, %s, %s, %s, %s, %s, %s)
 """
 values = (pymysql.escape_string(data_dict['good_name']), pymysql.escape_string(data_dict['good_type']),
 data_dict['img_src'], pymysql.escape_string(data_dict['good_description']), data_dict['how_to_use'],
 pymysql.escape_string(data_dict['volumetric']), pymysql.escape_string(data_dict['price']),
 data_dict['sale'], datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
 cursor.execute(insert_good_sql, values)

#------看我写的程序-------------
import datetime
import pymysql.cursors
conn = pymysql.connect(host='127.0.0.1',
 port=3306,
 user='root',
 password='',
 db='test',
 charset='utf8',
 cursorclass=pymysql.cursors.DictCursor)
#中间略去dt赋值部分...
print(dt.strftime('%Y-%m-%d %H:%M:%S'))
#运行结果是 2001-1-2 11：00：00
sql_insert=sql_insert="INSERT into tablename(exTime) values(%s)" %(dt.strftime("%Y-%m-%d %H:%M:%S"))
#如果此处写成sql_insert=sql_insert="INSERT into tablename(exTime) values('2001-1-2 11：00：00')" 则可以运行

try:
 with conn.cursor() as csor1:
 
 csor1.execute(sql_insert)
 conn.commit()
 csor1.close()
except Exception as e:
 #错误回滚
 conn.rollback()
finally:
 conn.close()
###-----------------------------------