一个简单的聊天程序界面，说明在java程序设计中各个组件之间如何相互传递消息并相互控制。-This is a interface of a chating application.with this example,we ll illustrate how Inter-control & Message transmit in components works.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001322s ]
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:0.092396s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001324s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001907s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001243s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003768s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001105s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003297s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014931s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001431s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 52328 [ RunTime:0.001471s ]
