这是一个利用TCP协议进行通信的程序，很典型，适合初学者学习，程序分两个部分，客户端和服务器-using TCP communication procedures, typical, for beginners to learn, procedures in two parts, the client and server
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001809s ]
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:0.087051s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001884s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001860s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002051s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003614s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001851s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003163s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014741s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002361s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 319014 [ RunTime:0.001330s ]
