python redis demo

 1 #!/usr/bin/env python
 2 #_*_ coding:UTF-8 _*_
 3 
 4 import redis
 5 
 6 
 7 ####配置参数
 8 host = ‘192.168.0.12‘
 9 port = 16000
10 password = ‘wrfg6OTNaXTqd96H7TK7bYIV‘
11 
12 
13 ####
14 #连接redis
15 #单个值的
16 def redis_conn(host,port,password,db,key,act="get",value=‘‘):
17     r = redis.StrictRedis(host=host, port=port, password=password, db=db, decode_responses=False)
18 
19     #判断key类型
20     s = r.type(key)
21     print(‘type of key: %s‘%s)
22 
23     #设置key
24     if act=="set":
25             r.set(key,value)
26             print(‘已经set完，db%s,key=%s,值为 %s‘%(db,key,value))
27             return value
28 
29     if r.exists(key):
30         #查询
31         if act=="get":
32             # 取key值
33             value=r.get(key)
34             print(‘正在查询db%s,key=%s \n value=%s‘%(db,key,value))
35             return value
36 
37         #删除
38         elif act=="del":
39             # 取key值
40             value=r.get(key)
41             r.delete(key)
42             print(‘已经删除，db%s,key=%s,\n值为 %s‘%(db,key,value))
43             return  
44     else:
45         print(‘key 不存在‘)
46 
47 
48 key="old_user_pop_win_count_20190910_22"
49 db=2
50 #调用函数，get
51 result=redis_conn(host,port,password,db,key,act="get")
52 print(‘result:‘,result)
53 
54 #del
55 result=redis_conn(host,port,password,db,key,act="del")
56 print(‘result:‘,result)
57 
58 
59 #set
60 db=1
61 key="age"
62 result=redis_conn(host,port,password,db,key,act="set",value="88")