import cx_Oracle class Oracle_connect(): def __init__(self,username,password,host_ip,port,instance_name,sql): ''' :param username: 数据库用户名 :param password: 数据库密码 :param host_ip: 数据库主机IP地址 :param port: 数据库主机端口 :param instance_name: 数据库实例名称 :param sql: 数据库执行SQL语句 ''' self.username = username self.password = password self.host_ip = host_ip self.port = port self.instance_name = instance_name self.sql = sql def get_data(self): try: conn = cx_Oracle.connect('{}/{}@{}:{}/{}'.format(self.username,self.password,self.host_ip,self.port,self.instance_name) )#连接数据库字符串 cursor = conn.cursor() # 使用cursor()方法获取操作游标 result=cursor.execute (self.sql) #执行SQL语句 data = cursor.fetchall() #取出数据库所有数据 cursor.close() conn.close() return data #返回数据 except: print('\033[1;35m 执行失败:{}数据库连接失败!!! \033[0m!'.format(self.host_ip)) def get_dic(self): try: conn = cx_Oracle.connect('{}/{}@{}:{}/{}'.format(self.username,self.password,self.host_ip,self.port,self.instance_name) )#连接数据库字符串 cursor = conn.cursor() # 使用cursor()方法获取操作游标 result=cursor.execute (self.sql) #执行SQL语句 index = cursor.description cursor.close() conn.close() return index #返回数据 except: print('\033[1;35m 执行失败:{}数据库连接失败!!! \033[0m!'.format(self.host_ip)) def update_date(self,sql): try: conn = cx_Oracle.connect('{}/{}@{}:{}/{}'.format(self.username,self.password,self.host_ip,self.port,self.instance_name) )#连接数据库字符串 cursor = conn.cursor() # 使用cursor()方法获取操作游标 result=cursor.execute (sql) #执行SQL语句 cursor.execute("commit") cursor.close() conn.close() except: print('\033[1;35m 执行失败:{}数据库连接失败!!! \033[0m!'.format(self.host_ip)) def insert_date(self,sql): try: conn = cx_Oracle.connect('{}/{}@{}:{}/{}'.format(self.username,self.password,self.host_ip,self.port,self.instance_name) )#连接数据库字符串 cursor = conn.cursor() # 使用cursor()方法获取操作游标 cursor.execute (sql) #执行SQL语句 cursor.execute("commit") cursor.close() conn.close() except: print('\033[1;35m 执行失败:{}数据库连接失败!!! \033[0m!'.format(self.host_ip))
python连接ORACLE的类
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转载自www.cnblogs.com/yrash/p/11491223.html
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