java新手编的简单聊天小程序用UDP写的，对javanet包中最基本的类的基本应用-series of simple procedures for small chat with UDP written in the right javanet basic package of basic applications
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002094s ]
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:0.099789s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002602s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002031s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002830s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005483s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002666s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004437s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016177s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002782s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 43550 [ RunTime:0.001333s ]
