Java优学网Redis数据类型教程：从SET到HSET，轻松掌握数据存储与操作技巧

SET user:1001:session "{\"username\":\"john\",\"last_login\":\"2023-08-15\"}" SET product:5001:stock 50 DECR product:5001:stock # 库存减1

SET user:1001:name "张三" SET user:1001:age 28 SET user:1001:email "zhangsan@example.com" HSET user:1001 name "张三" age 28 email "zhangsan@example.com"