Python自学第十二周（2）

python与linux下mysql交互：

记得关闭防火墙 service iptables stop、

 1 #Author： Zachary
 2 import pymysql
 3 # 创建连接
 4 conn = pymysql.connect(host='192.168.86.10', port=3306, user='root', passwd='112590', db='zach')
 5 # 创建游标\相当于命令行中的光标
 6 cursor = conn.cursor()
 7 # 执行SQL，并返回收影响行数
 8 effect_row = cursor.execute("select * from student")
 9 print(effect_row)
10 print("=======================================")
11 print(cursor.fetchone())
12 print(cursor.fetchone())
13 print(cursor.fetchone())

如果是

 1 #Author： Zachary
 2 import pymysql
 3 # 创建连接
 4 conn = pymysql.connect(host='192.168.86.10', port=3306, user='root', passwd='112590', db='zach')
 5 # 创建游标\相当于命令行中的光标
 6 cursor = conn.cursor()
 7 # 执行SQL，并返回收影响行数
 8 effect_row = cursor.execute("select * from student")
 9 print(effect_row)
10 print("=======================================")
11 print(cursor.fetchall())

 1 #Author： Zachary
 2 import pymysql
 3 # 创建连接
 4 conn = pymysql.connect(host='192.168.86.10', port=3306, user='root', passwd='112590', db='zach')
 5 # 创建游标\相当于命令行中的光标
 6 cursor = conn.cursor()
 7 data = [
 8     ("N1",22,"2019-09-10"),
 9     ("N2", 21, "2019-09-08"),
10     ("N3", 21, "2019-09-09"),
11 ]
12 cursor.executemany("insert into student(name,age,register_date) VALUE (%s,%s,%s)" ,data)
13 conn.commit()        #执行插入的时候必须要提交一下,但我试了，不用非得加

来源：https://www.cnblogs.com/zachary26626/p/11345114.html

标签

pymysql

python