PDF417/QR条码制作源程序，采用VB编写，简单清晰易懂，方便使用二维条码的技术人员参考。
-PDF417/QR barcode production source, the use of VB to prepare, easy to understand simple and clear, easy-to-use two-dimensional bar code technology officers.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001601s ]
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:0.094190s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001280s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002172s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001285s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003715s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001144s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003478s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015154s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001310s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 210937 [ RunTime:0.001415s ]
