python3.4连接mysql

参考：http://www.blogjava.net/huyi2006/articles/247966.html

开发环境：win7_x64 + python3.4.3 + mysql5.6.23

准备：需要安装pymysql, 下载地址：https://codeload.github.com/PyMySQL/PyMySQL/zip/master

windows上安装：打开cmd命令窗口，执行：python setup.py install

linux上安装: 在终端执行(以root用户)：python setup.py install

源码test.py

 import pymysql
 
 def test():
     try:
         con = pymysql.connect(host="localhost", user="zxx", passwd="123xxx", db="world", port=3306, charset='utf8')
         cursor = con.cursor()
 
         cursor.execute("Select * from city limit 2, 5")
         result = cursor.fetchall()
 
         for record in result:
             print(record)
 
         cursor.close()
         con.close()
 
     except Exception as ex:
         print(ex)
 
 if __name__ == '__main__':
     test()

运行结果：

E:\program\python\mysql>python test.py
(3, 'Herat', 'AFG', 'Herat', 186800)
(4, 'Mazar-e-Sharif', 'AFG', 'Balkh', 127800)
(5, 'Amsterdam', 'NLD', 'Noord-Holland', 731200)
(6, 'Rotterdam', 'NLD', 'Zuid-Holland', 593321)
(7, 'Haag', 'NLD', 'Zuid-Holland', 440900)