改造后的TDBImage:
支持jpeg(且只支持)图像存储到数据库，解决了bmp图像占用数据库空间的问题-After transformation TDBImage : support jpeg (which only supports) image storage to the database, solving bmp images occupy space in the database
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001859s ]
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:0.135083s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001403s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002968s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001348s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003865s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001263s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003494s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016075s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001514s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 321646 [ RunTime:0.001425s ]
