VHDL开发环境，出租车计费系统，实现起步10元，每增加一公里，自动上涨2元。-VHDL development environment, taxi billing system to achieve the initial 10 yuan for each additional mile, automatic up 2.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002267s ]
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:0.087285s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002325s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001943s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002429s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003725s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002046s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003490s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015008s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002561s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 166980 [ RunTime:0.001188s ]
