用jsp和servlet技术运用MVC模式做的购物车小系统源码，里面的数据库和存储过程都有，能够清楚的掌握jsp和servlet的工作原理。-Jsp and servlet technology with the use of MVC pattern to Cart The small system source code, which the database and stored procedures are, to have a clear grasp of jsp and servlet works.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001080s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.079967s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001438s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001312s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001003s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003210s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001000s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003960s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.025492s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001631s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 103033 [ RunTime:0.033775s ]
