在cyclone2芯片上实现VGA解决方案，可以将模拟示波器波形在电脑上显示。也可以储存波形文件来显示
-In cyclone2 chip VGA solutions, Analog Oscilloscope waveforms can be displayed on the computer. Can also be stored waveform file to display
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001502s ]
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:0.077523s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001182s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001326s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001041s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003349s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000940s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003955s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.022593s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001659s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 123171 [ RunTime:0.014010s ]
