PyMysql 模塊

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import pymysql
import time
# 建立鏈接
conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='', db='log')
# 建立遊標             設置光標用字典的格式獲取 默認以元組的方式返還；
cursor = conn.cursor(cursor=pymysql.cursors.DictCursor)

# 執行SQL，並返回收影響行數
# effect_row = cursor.execute("update log set age = '2'")
# effect_row = cursor.execute("insert into log(name,age) values(%s,%s)",('rr',1))

# 執行儲存過程 
row = cursor.callproc('wrg',(1,2,3))
# 必須先獲取下值才能獲取 儲存過程的返回值
cursor.fetchall()
# 獲取返回值的時候 _1 表示獲取第一個索引
cursor.execute("select @wrg_1")
result = cursor.fetchone()
cursor.execute("delete from log where nid > 0")
#                       設置數據庫自增的初始值
cursor.execute("alter table log AUTO_INCREMENT=1")
for i in range(1,100):
    a = time.strftime('%Y-%m-%d-%H-%M-%S',time.localtime(time.time()))
    effect_row = cursor.execute("insert into log(user,pwd,tim) values(%s,%s,%s)",('alex'+str(i),i,a))
#                                                            設置條件語句從大到小排序
effect_row = cursor.execute("select * from log where nid > 10 order by nid desc")

# 查看光標獲取的內容
# result = cursor.fetchall()
# 獲取第一條數據
result = cursor.fetchone()
# 獲取3個數據
result = cursor.fetchmany(3)
# 以相對位置移動指針
result = cursor.scroll(-1,mode='relative')

effect_row = cursor.execute("insert into log(user,pwd) values(%s,%s)",('alex','sd'))

# 獲取自增值
print(cursor.lastrowid)

# 提交，否則沒法保存新建或者修改的數據
conn.commit()

# 關閉遊標
cursor.close()
# 關閉鏈接
conn.close()