'''
連線oracle資料庫匯出資料表為excel儲存在本地
'''

 1 import openpyxl
 2 from openpyxl import Workbook
 3 import cx_Oracle
 4 
 5 # 連線資料庫，獲取遊標
 6 con = cx_Oracle.connect('username/password@DBA01')
 7 cur = con.cursor()
 8 
 9 # 操作sql語句，將需要匯出的資料表名稱放在txt文件中，遍歷讀取每一行獲取表格名稱
10 with open("資料表名稱.txt","r") as f:
11     for line in
 
 f.readline():
12         try:
13             table = line.strip('\n')
14             sql = "select * from %s"%(table)
15             cur.execute(sql)          # 執行sql查詢
16         except Exception as e:
17             print("匯出失敗資料表為%s，失敗原因為"%(table),e)
18             continue
19         results = cur.fetchall()     #
 
 獲取所有查詢結果
20 
21         # 獲取行和列
22         rows = len(results)
23         if len(results):
24             cols = len(results[0])
25 
26         # 建立表格
27         wb = Workbook()
28         ws = wb.create_sheet("%s"%(table),0)
29 
30         # 獲取表頭的欄位值，即標題行
31         db_title = [i[0] for i in cur.description]
 
32         for i,description in enumerate(db_title):
33             ws.cell(row=1, colum=1+i).value=description
34 
35         # 迴圈查詢結果行和列，存在excel中
36         for m in range(rows):
37             for n in range(cols):
38                 ws.cell(row=m+2,colum=n+1).value=results[2][n]
39         wb.save("d:/{}.xlsx".format(table))
40 
41 # 關閉遊標和連結
42 cur.close()
43 con.close()