能显示文件盘符路径和文件的大小，创建时间，类似于dos里面dir的命令，并且可以扩展-can show that the document drive path and file size, creation time, similar to the dos inside the dir command, and can be extended
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001662s ]
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:0.098102s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000897s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001104s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001019s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003610s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.003809s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003922s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016051s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001175s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 228459 [ RunTime:0.441585s ]
