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+---
+title: "Python 的 cx_Oracle 模块"
+date: 2019-10-30T17:55:41+08:00
+lastmod: 2019-10-30T17:55:41+08:00
+tags: ["python", "cx_oracle"]
+categories: ["python"]
+---
+
+# 导入 cx_Oracle 模块
+```
+import cx_Oracle    # 导入模块
+```
+
+# 连接数据库
+```
+db = cx_Oracle.connect('user', 'password', 'host:port/SID') #建立连接,3个参数分开写
+print db.version
+#输出 10.2.0.1.0 测试成功
+```
+
+# 自动提交
+```
+db.autocommit=True #开启自动提交
+db.autocommit=False #关闭自动提交
+```
+
+# 建立 cursor 光标
+```
+cursor = db.cursor()    #建立一个cursor
+```
+
+# 执行sql
+```
+cursor.execute(‘select * from tabs’)    # 执行一条sql
+sql = "insert into person(name, age, telephone) values(%s, %s, %s)"
+tmp = (('ninini', 89, '888999'), ('koko', 900, '999999'))
+conn.executemany(sql, tmp) #执行多条sql
+```
+
+# 获取执行结果
+```
+row=cursor.fetchone() #取一行结果，元组(a,b,c,d)
+row=cursor.fetchall() #获取所有结果，列表[(a,b,c,d),(e,f,g,h),...]
+for x in row:
+    For y in x:
+        Print y
+print cursor.rowcount() #获取输出记录数量
+```
+
+# 提交
+```
+db.commit()
+```
+
+# 回滚
+```
+db.rollback()
+```
+
+# 关闭连接
+```
+cursor.close()
+db.close()
+```
+