该项目构建3个struct，分别是Hour，Minute，Second，其中包含用户自定义的操作符。-The project to build three struct, respectively Hour, Minute, Second, which includes user-defined operator.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001380s ]
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:0.088506s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001186s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001899s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001221s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003599s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001215s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003516s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014655s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001421s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 69143 [ RunTime:0.001272s ]
