python读取一个目录下面的所有sqlite文件 然后写到同一个数据库文件test.db中

Posted 2021-11-08

import sqlite3 as db
import os
if

name

=="

main

":

if os.path.exists("./output/test.db"):
    os.remove("./output/test.db")

conn_write = db.connect(‘./output/test.db‘)
cursor_write = conn_write.cursor()
cursor_write.execute("CREATE TABLE nav_test  ( test_id varchar(128) default ‘‘, value  smallint default  0);")

rootdir = ‘./test/‘
    list = os.listdir(rootdir)

    //循环打开test 目录下面的所有sqlite文件
    for i in range(0,len(list)):
        path = os.path.join(rootdir,list[i])

            conn_read = db.connect(path)
            cursor_read = conn_read.cursor()
            rows = cursor_read.execute("......")

            //逐行读取数据
            for line in rows:
                str1 = line[0]
                str2  = line[1]
            ......
                    .....
                    .....
           cursor_write.execute("INSERT INTO nav_test VALUES (‘{0}‘, ‘{1}‘); ".format(str1,str2))