import time

from sys import path

path.append(r‘C:\Users\Administrator\ceshi1111\Lib\site-packages\pymysql‘)

import pymysql

from pymysql import *

def timer(func): #:时间模块

def decor(*args): #:decor传参

start_time = time.time() #:记录起始时间

func(*args) #:调用func函数，但其实就是调用add_test_users

end_time = time.time() #:结束时间

d_time = end_time - start_time #: 记录总共需要的时间耗时

print("the running time is : ", d_time) #:打印

return decor #:返回decor 装饰器要用到

@timer #:装饰器 调用timer 那么此时add_test_user == func

def add_test_users(n): #:创建add_test_users连接数据库函数

conn = pymysql.connect(host=‘192.168.137.9‘ ,port=3306 ,user=‘root‘, password=‘123123‘, db=‘mysql‘, charset=‘utf8‘)

cursor = conn.cursor() #:获取操作游标

for i in range(0, n): #:执行循环次数

try:

sql = "insert into test1 values(%s)"

param = ((str(i)))

cursor.execute(sql, param) #:执行sql

except Exception as e:

return

conn.commit()

cursor.close()

conn.close()

print(‘OK‘)

add_test_users(10) #:循环插入10条数据