示例&＃xff1a;用户登录

• 业务过程如下&＃xff1a;
• 输入用户名、密码
• 密码加密
• 判断redis中是否记录了用户名&＃xff0c;如果有则成功
• 如果redis中没有用户名&＃xff0c;则到mysql中查询
• 从mysql中查询成功后&＃xff0c;将用户名记录到redis中

#encoding&＃61;utf-8
from t2 import RedisHelper
from t3 import MysqlHelper
import hashlibname&＃61;raw_input("请输入用户名&＃xff1a;")
pwd&＃61;raw_input("请输入密码&＃xff1a;")sha1&＃61;hashlib.sha1()
sha1.update(pwd)
pwd1&＃61;sha1.hexdigest()try:redis&＃61;RedisHelper()if redis.get(&＃39;uname&＃39;)&＃61;&＃61;name:print &＃39;ok&＃39;else:mysql&＃61;MysqlHelper(&＃39;localhost&＃39;,3306,&＃39;test1&＃39;,&＃39;root&＃39;,&＃39;mysql&＃39;)upwd&＃61;mysql.get_one(&＃39;select upwd from userinfos where uname&＃61;%s&＃39;,[name])if upwd&＃61;&＃61;None:print &＃39;用户名错误&＃39;elif upwd[0]&＃61;&＃61;pwd1:redis.set(&＃39;uname&＃39;, name)print &＃39;登录成功&＃39;else:print "密码错误"
except Exception,e:print e.message