python連接mysql實現數據自增插入


import pymysql
from random import randint
#連接數據庫
db_connect = pymysql.connect("localhost","root","123456","test")
cursor = db_connect.cursor()

#通過循環語句插入數據
number = 1
name = 0
for i in range(10):
  number = number + 1
  name = name + 1
  student_idnumber ="xh0000%d"%(number)#實現自增,數據不能重復
  names = "李一%d"%(name)#實現自增,數據不能重復

  #括號中的%s要加上單引號,換行用\分隔,
  sql = "insert into persons \
  (student_id,name,id_card,sex,age,achievement,adress) \
  values ('%s', '%s', '%s', '%s', '%s','%s','%s')" % \
  (student_idnumber,names,'120100199907224349','女','39','309','天津市市轄區')

  try:

    cursor.execute(sql)#執行

    db_connect.commit()#提交
  except:
    db_connect.rollback()#發生錯誤時回滾


  cursor.execute(sql)
  db_connect.commit()

db_connect.close()


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