实现客户端和服务器端的简单socket通信，一个服务器对应多个客户端，java课程的一课程设计-The achievement of client and server socket simple communications, a server corresponds to multiple clients, java courses in curriculum design 1
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001281s ]
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:0.089038s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001240s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001921s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001163s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003599s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001018s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003169s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014997s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001332s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 46013 [ RunTime:0.001307s ]
