java语言中常用的一些控制语句，如顺序、选择、循环、break、continue等-java language commonly used to control some statements, such as sequence, selection, recycling, break, continue, etc.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001360s ]
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:0.090105s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001292s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002206s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001157s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003609s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000999s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003303s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014569s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001297s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 52032 [ RunTime:0.001286s ]
