标签:tom click pymysql root pid cli mysql val title
import pymysql
db = pymysql.connect(host=‘localhost‘, user=‘root‘, password=‘123456‘, port=3306, db=‘spiders‘)
cursor = db.cursor()
sql = ‘select * from students;‘
cursor.execute(sql)
cursor.close()
db.close()
import pymysql
db = pymysql.connect(host=‘localhost‘,user=‘root‘, password=‘123456‘, port=3306, db=‘spiders‘)
data = {
‘id‘: ‘20180606‘,
‘name‘: ‘Lily‘,
‘age‘: 20
}
table = ‘students‘
keys = ‘, ‘.join(data.keys())
values = ‘, ‘.join([‘%s‘] * len(data))
sql = ‘INSERT INTO {table}({keys}) VALUES ({values})‘.format(table=table, keys=keys, values=values)
try:
cursor.execute(sql, tuple(data.values()))
print(‘Successful‘)
db.commit()
except:
print(‘Failed‘)
db.rollback()
cursor.close()
db.close()
import pymysql
db = pymysql.connect(host=‘localhost‘,user=‘root‘, password=‘123456‘, port=3306, db=‘spiders‘)
data = {
‘id‘: ‘20180606‘,
‘name‘: ‘Lily‘,
‘age‘: 25
}
table = ‘students‘
keys = ‘, ‘.join(data.keys())
values = ‘, ‘.join([‘%s‘] * len(data))
sql = ‘INSERT INTO {table}({keys}) VALUES ({values}) ON DUPLICATE KEY UPDATE‘.format(table=table, keys=keys, values=values)
update = ‘,‘.join([" {key} = %s".format(key=key) for key in data])
sql += update
try:
cursor.execute(sql, tuple(data.values())*2)
print(‘Successful‘)
db.commit()
except:
print(‘Failed‘)
db.rollback()
cursor.close()
db.close()
标签:tom click pymysql root pid cli mysql val title
原文地址:https://www.cnblogs.com/xiao-xue-di/p/11570451.html