用JAVA编写的聊天程序，客户端与服务端集成在一个文件中，代码简洁，无多余复杂功能。-prepared with Java chat procedures, client and server integrated in a document, the code simple, non-redundant functional complex.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001551s ]
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:0.088689s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001058s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001247s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001068s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003172s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000833s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003561s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014663s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001031s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 47040 [ RunTime:0.023412s ]
