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48 lines
1.1 KiB
48 lines
1.1 KiB
6 months ago
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'''
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数据库连接
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'''
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import pymysql
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class dbConnect():
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def __init__(self):
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self.conn = pymysql.connect(user='wang123',
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password='wang123',
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database='myweb',
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host='127.0.0.1',
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charset='utf8')
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self.cursor = self.conn.cursor()
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def dbManage(self,sql=None):
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'''
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实现对数据表里的定义、增加、删除、修改操作
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:param sql:
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:return:
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'''
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flag = False
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try:
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self.cursor.execute(sql)
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self.conn.commit()
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flag=True
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except:pass
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return flag
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def dbQuery(self,sql):
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'''
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数据库的查询业务
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:param sql:
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:return:
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'''
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try:
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self.cursor.execute(sql)
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return self.cursor.fetchall()
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except:
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return None
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if __name__=='__main__':
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d = dbConnect()
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# print(d.dbManage(sql="insert into dblog values(null,'111','2','aap','okdfdfd')"))
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print(d.dbQuery(sql="select * from dblog"))
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