本课件主要介绍Java语言的语法知识比如类，对象，接口等以及Java语言在多媒体系统中的应用-This courseware introduces the Java language grammar knowledge such as class, object, interface, etc. as well as the Java language in the multi-media system
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001409s ]
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:0.094929s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001255s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001911s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001246s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003604s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001052s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003359s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014787s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001355s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 47033 [ RunTime:0.001240s ]
