#pymysql、json、redis #1、连数据库，查到数据库里面所有的数据,游标类型要用pymysql.curosrs.DictCour #2、查到所有数据   [ {"id":1,"passwd":"49487dd4f94008a6110275e48ad09448","username":"niuhayang","is_admin":1}] #3、循环这个list，取到usernamer，把username当做key #4、再把这个小字典转成json，存进去就ok。 import pymysql,json,redis r = redis.Redis(host='118.24.3.40',password='HK139bc&*',db=1,port=6379) conn = pymysql.connect(host='118.24.3.40',user='jxz',passwd='123456',db='jxz',charset='utf8') cur = conn.cursor(cursor=pymysql.cursors.DictCursor)#字典方式展示 cur.execute('select * from my_user;') all_data = cur.fetchall() for data in all_data:    k = data.get('username')    r.hset('stu_info_nhy',k,json.dumps(data)) cur.close() conn.close()