简单介绍java基本应用，简单易懂，方便初学者使用，同时也方便熟悉者使用-Simple java introduce the basic applications, easy-to-understand, easy for beginners to use, but also facilitate the use of familiar
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001203s ]
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:0.091396s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.008076s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003838s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.008849s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003552s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001101s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003676s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.018208s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001124s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 46883 [ RunTime:0.019161s ]
