这是一个用LABVIEW构建的四通道虚拟示波器的程序，很好的，您可以参考下。-This is a LABVIEW built with four-channel virtual oscilloscope procedures, very good, you can refer to the next.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002499s ]
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:0.090182s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001825s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.003039s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001163s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003495s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000926s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.004884s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.016441s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001312s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 187769 [ RunTime:0.017945s ]
