详细讲解了java的基础知识，配有源码，浅显易懂。适合初学者阅读学习。-java detailed account of the basic knowledge, equipped with a source, simple words. For beginners to learn to read.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002097s ]
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:0.085875s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001831s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001931s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002149s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003755s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002023s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003199s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014784s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002411s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 42844 [ RunTime:0.001305s ]
