# coding=utf-8 import cx_Oracle
import os
import json os.environ['NLS_LANG'] = 'SIMPLIFIED CHINESE_CHINA.UTF8'
"""python version 3.7""" class TestOracle(object):
def __init__(self, user, pwd, ip, port, sid):
self.connect = cx_Oracle.connect(user + "/" + pwd + "@" + ip + ":" + port + "/" + sid)
self.cursor = self.connect.cursor() def select(self, sql):
list = []
self.cursor.execute(sql)
result = self.cursor.fetchall()
col_name = self.cursor.description
for row in result:
dict = {}
for col in range(len(col_name)):
key = col_name[col][0]
value = row[col]
dict[key] = value
list.append(dict)
js = json.dumps(list, ensure_ascii=False, indent=2, separators=(',', ':'))
return js def disconnect(self):
self.cursor.close()
self.connect.close() def insert(self, sql, list_param):
try:
self.cursor.executemany(sql, list_param)
self.connect.commit()
print("插入ok")
except Exception as e:
print(e)
finally:
self.disconnect() def update(self, sql):
try:
self.cursor.execute(sql)
self.connect.commit() except Exception as e:
print(e)
finally:
self.disconnect() def delete(self, sql):
try:
self.cursor.execute(sql)
self.connect.commit()
print("delete ok")
except Exception as e:
print(e)
finally:
self.disconnect() # if __name__ == "__main__":
# test_oracle = TestOracle('SCOTT', 'pipeline', '127.0.0.1', '1521', 'orcl')
# param = [('ww1', 'job003', 1333, 2), ('ss1', 'job004', 1444, 2)]
# # test_oracle.insert("insert into bonus(ENAME,JOB,SAL,COMM)values(:1,:2,:3,:4)",param)#也可以下面这样解决orc-1036非法变量问题
# test_oracle.insert("insert into bonus(ENAME,JOB,SAL,COMM)values (:ENAME,:JOB,:SAL,:COMM)", param)
# test_oracle1 = TestOracle('SCOTT', 'pipeline', '127.0.0.1', '1521', 'orcl')
# test_oracle1.delete("delete from bonus where ENAME='ss1' or ENAME='ww1'")
# test_oracle3 = TestOracle('SCOTT', 'pipeline', '127.0.0.1', '1521', 'orcl')
# js = test_oracle3.select('select * from bonus')
# print(js)